package service

import (
	"context"
	"crypto/rand"
	"embed"
	"encoding/base64"
	"encoding/json"
	"errors"
	"fmt"
	"html"
	"io"
	"math/big"
	"net"
	"net/http"
	"net/url"
	"os"
	"regexp"
	"slices"
	"strconv"
	"strings"
	"sync"
	"time"

	"github.com/mhsanaei/3x-ui/v3/config"
	"github.com/mhsanaei/3x-ui/v3/database"
	"github.com/mhsanaei/3x-ui/v3/database/model"
	"github.com/mhsanaei/3x-ui/v3/logger"
	"github.com/mhsanaei/3x-ui/v3/util/common"
	"github.com/mhsanaei/3x-ui/v3/web/global"
	"github.com/mhsanaei/3x-ui/v3/web/locale"
	"github.com/mhsanaei/3x-ui/v3/xray"

	"github.com/google/uuid"
	"github.com/mymmrac/telego"
	th "github.com/mymmrac/telego/telegohandler"
	tu "github.com/mymmrac/telego/telegoutil"
	"github.com/skip2/go-qrcode"
	"github.com/valyala/fasthttp"
	"github.com/valyala/fasthttp/fasthttpproxy"
)

var (
	bot *telego.Bot

	// botCancel stores the function to cancel the context, stopping Long Polling gracefully.
	botCancel context.CancelFunc
	// tgBotMutex protects concurrent access to botCancel variable
	tgBotMutex sync.Mutex
	// botWG waits for the OnReceive Long Polling goroutine to finish.
	botWG sync.WaitGroup

	botHandler  *th.BotHandler
	adminIds    []int64
	isRunning   bool
	hostname    string
	hashStorage *global.HashStorage

	// Performance improvements
	messageWorkerPool   chan struct{} // Semaphore for limiting concurrent message processing
	optimizedHTTPClient *http.Client  // HTTP client with connection pooling and timeouts

	// Simple cache for frequently accessed data
	statusCache struct {
		data      *Status
		timestamp time.Time
		mutex     sync.RWMutex
	}

	serverStatsCache struct {
		data      string
		timestamp time.Time
		mutex     sync.RWMutex
	}

	// clients data to adding new client
	receiver_inbound_ID int
	client_Id           string
	client_Flow         string
	client_Email        string
	client_LimitIP      int
	client_TotalGB      int64
	client_ExpiryTime   int64
	client_Enable       bool
	client_TgID         string
	client_SubID        string
	client_Comment      string
	client_Reset        int
	client_Security     string
	client_ShPassword   string
	client_TrPassword   string
	client_Method       string
)

var userStates = make(map[int64]string)

// LoginStatus represents the result of a login attempt.
type LoginStatus byte

// Login status constants
const (
	LoginSuccess        LoginStatus = 1        // Login was successful
	LoginFail           LoginStatus = 0        // Login failed
	EmptyTelegramUserID             = int64(0) // Default value for empty Telegram user ID
)

// LoginAttempt contains safe metadata for panel login notifications.
// It intentionally does not include attempted passwords.
type LoginAttempt struct {
	Username string
	IP       string
	Time     string
	Status   LoginStatus
	Reason   string
}

// Tgbot provides business logic for Telegram bot integration.
// It handles bot commands, user interactions, and status reporting via Telegram.
type Tgbot struct {
	inboundService InboundService
	settingService SettingService
	serverService  ServerService
	xrayService    XrayService
	lastStatus     *Status
}

// NewTgbot creates a new Tgbot instance.
func (t *Tgbot) NewTgbot() *Tgbot {
	return new(Tgbot)
}

// I18nBot retrieves a localized message for the bot interface.
func (t *Tgbot) I18nBot(name string, params ...string) string {
	return locale.I18n(locale.Bot, name, params...)
}

// GetHashStorage returns the hash storage instance for callback queries.
func (t *Tgbot) GetHashStorage() *global.HashStorage {
	return hashStorage
}

// getCachedStatus returns cached server status if it's fresh enough (less than 5 seconds old)
func (t *Tgbot) getCachedStatus() (*Status, bool) {
	statusCache.mutex.RLock()
	defer statusCache.mutex.RUnlock()

	if statusCache.data != nil && time.Since(statusCache.timestamp) < 5*time.Second {
		return statusCache.data, true
	}
	return nil, false
}

// setCachedStatus updates the status cache
func (t *Tgbot) setCachedStatus(status *Status) {
	statusCache.mutex.Lock()
	defer statusCache.mutex.Unlock()

	statusCache.data = status
	statusCache.timestamp = time.Now()
}

// getCachedServerStats returns cached server stats if it's fresh enough (less than 10 seconds old)
func (t *Tgbot) getCachedServerStats() (string, bool) {
	serverStatsCache.mutex.RLock()
	defer serverStatsCache.mutex.RUnlock()

	if serverStatsCache.data != "" && time.Since(serverStatsCache.timestamp) < 10*time.Second {
		return serverStatsCache.data, true
	}
	return "", false
}

// setCachedServerStats updates the server stats cache
func (t *Tgbot) setCachedServerStats(stats string) {
	serverStatsCache.mutex.Lock()
	defer serverStatsCache.mutex.Unlock()

	serverStatsCache.data = stats
	serverStatsCache.timestamp = time.Now()
}

// Start initializes and starts the Telegram bot with the provided translation files.
func (t *Tgbot) Start(i18nFS embed.FS) error {
	// Initialize localizer
	err := locale.InitLocalizer(i18nFS, &t.settingService)
	if err != nil {
		return err
	}

	// If Start is called again (e.g. during reload), ensure any previous long-polling
	// loop is stopped before creating a new bot / receiver.
	StopBot()

	// Initialize hash storage to store callback queries
	hashStorage = global.NewHashStorage(20 * time.Minute)

	// Initialize worker pool for concurrent message processing (max 10 concurrent handlers)
	messageWorkerPool = make(chan struct{}, 10)

	// Initialize optimized HTTP client with connection pooling
	optimizedHTTPClient = &http.Client{
		Timeout: 15 * time.Second,
		Transport: &http.Transport{
			MaxIdleConns:        100,
			MaxIdleConnsPerHost: 10,
			IdleConnTimeout:     30 * time.Second,
			DisableKeepAlives:   false,
		},
	}

	t.SetHostname()

	// Get Telegram bot token
	tgBotToken, err := t.settingService.GetTgBotToken()
	if err != nil || tgBotToken == "" {
		logger.Warning("Failed to get Telegram bot token:", err)
		return err
	}

	// Get Telegram bot chat ID(s)
	tgBotID, err := t.settingService.GetTgBotChatId()
	if err != nil {
		logger.Warning("Failed to get Telegram bot chat ID:", err)
		return err
	}

	parsedAdminIds := make([]int64, 0)
	// Parse admin IDs from comma-separated string
	if tgBotID != "" {
		for _, adminID := range strings.Split(tgBotID, ",") {
			id, err := strconv.ParseInt(adminID, 10, 64)
			if err != nil {
				logger.Warning("Failed to parse admin ID from Telegram bot chat ID:", err)
				return err
			}
			parsedAdminIds = append(parsedAdminIds, int64(id))
		}
	}
	tgBotMutex.Lock()
	adminIds = parsedAdminIds
	tgBotMutex.Unlock()

	// Get Telegram bot proxy URL
	tgBotProxy, err := t.settingService.GetTgBotProxy()
	if err != nil {
		logger.Warning("Failed to get Telegram bot proxy URL:", err)
	}

	// Get Telegram bot API server URL
	tgBotAPIServer, err := t.settingService.GetTgBotAPIServer()
	if err != nil {
		logger.Warning("Failed to get Telegram bot API server URL:", err)
	}

	// Create new Telegram bot instance
	bot, err = t.NewBot(tgBotToken, tgBotProxy, tgBotAPIServer)
	if err != nil {
		logger.Error("Failed to initialize Telegram bot API:", err)
		return err
	}

	t.trySetBotCommands(bot)

	// Start receiving Telegram bot messages
	tgBotMutex.Lock()
	alreadyRunning := isRunning || botCancel != nil
	tgBotMutex.Unlock()
	if !alreadyRunning {
		logger.Info("Telegram bot receiver started")
		go t.OnReceive()
	}

	return nil
}

func (t *Tgbot) trySetBotCommands(bot *telego.Bot) {
	defer func() {
		if r := recover(); r != nil {
			logger.Warning("Failed to register bot commands (Telegram may be rate-limiting); bot will continue without them:", r)
		}
	}()

	err := bot.SetMyCommands(context.Background(), &telego.SetMyCommandsParams{
		Commands: []telego.BotCommand{
			{Command: "start", Description: t.I18nBot("tgbot.commands.startDesc")},
			{Command: "help", Description: t.I18nBot("tgbot.commands.helpDesc")},
			{Command: "status", Description: t.I18nBot("tgbot.commands.statusDesc")},
			{Command: "id", Description: t.I18nBot("tgbot.commands.idDesc")},
		},
	})
	if err != nil {
		logger.Warning("Failed to set bot commands:", err)
	}
}

// createRobustFastHTTPClient creates a fasthttp.Client with proper connection handling
func (t *Tgbot) createRobustFastHTTPClient(proxyUrl string) *fasthttp.Client {
	client := &fasthttp.Client{
		// Connection timeouts
		ReadTimeout:                   30 * time.Second,
		WriteTimeout:                  30 * time.Second,
		MaxIdleConnDuration:           60 * time.Second,
		MaxConnDuration:               0, // unlimited, but controlled by MaxIdleConnDuration
		MaxIdemponentCallAttempts:     3,
		ReadBufferSize:                4096,
		WriteBufferSize:               4096,
		MaxConnsPerHost:               100,
		MaxConnWaitTimeout:            10 * time.Second,
		DisableHeaderNamesNormalizing: false,
		DisablePathNormalizing:        false,
		// Retry on connection errors
		RetryIf: func(request *fasthttp.Request) bool {
			// Retry on connection errors for GET requests
			return string(request.Header.Method()) == "GET" || string(request.Header.Method()) == "POST"
		},
	}

	// Set proxy if provided
	if proxyUrl != "" {
		client.Dial = fasthttpproxy.FasthttpSocksDialer(proxyUrl)
	}

	return client
}

// NewBot creates a new Telegram bot instance with optional proxy and API server settings.
func (t *Tgbot) NewBot(token string, proxyUrl string, apiServerUrl string) (*telego.Bot, error) {
	// Validate proxy URL if provided
	if proxyUrl != "" {
		if !strings.HasPrefix(proxyUrl, "socks5://") {
			logger.Warning("Invalid socks5 URL, ignoring proxy")
			proxyUrl = "" // Clear invalid proxy
		} else {
			_, err := url.Parse(proxyUrl)
			if err != nil {
				logger.Warningf("Can't parse proxy URL, ignoring proxy: %v", err)
				proxyUrl = ""
			}
		}
	}

	// Validate API server URL if provided
	if apiServerUrl != "" {
		if !strings.HasPrefix(apiServerUrl, "http") {
			logger.Warning("Invalid http(s) URL for API server, using default")
			apiServerUrl = ""
		} else {
			_, err := url.Parse(apiServerUrl)
			if err != nil {
				logger.Warningf("Can't parse API server URL, using default: %v", err)
				apiServerUrl = ""
			}
		}
	}

	// Create robust fasthttp client
	client := t.createRobustFastHTTPClient(proxyUrl)

	// Build bot options
	var options []telego.BotOption
	options = append(options, telego.WithFastHTTPClient(client))

	if apiServerUrl != "" {
		options = append(options, telego.WithAPIServer(apiServerUrl))
	}

	return telego.NewBot(token, options...)
}

// IsRunning checks if the Telegram bot is currently running.
func (t *Tgbot) IsRunning() bool {
	tgBotMutex.Lock()
	defer tgBotMutex.Unlock()
	return isRunning
}

// SetHostname sets the hostname for the bot.
func (t *Tgbot) SetHostname() {
	host, err := os.Hostname()
	if err != nil {
		logger.Error("get hostname error:", err)
		hostname = ""
		return
	}
	hostname = host
}

// Stop safely stops the Telegram bot's Long Polling operation.
// This method now calls the global StopBot function and cleans up other resources.
func (t *Tgbot) Stop() {
	StopBot()
	logger.Info("Stop Telegram receiver ...")
	tgBotMutex.Lock()
	adminIds = nil
	tgBotMutex.Unlock()
}

// StopBot safely stops the Telegram bot's Long Polling operation by cancelling its context.
// This is the global function called from main.go's signal handler and t.Stop().
func StopBot() {
	// Don't hold the mutex while cancelling/waiting.
	tgBotMutex.Lock()
	cancel := botCancel
	botCancel = nil
	handler := botHandler
	botHandler = nil
	isRunning = false
	tgBotMutex.Unlock()

	if handler != nil {
		handler.Stop()
	}

	if cancel != nil {
		logger.Info("Sending cancellation signal to Telegram bot...")
		// Cancels the context passed to UpdatesViaLongPolling; this closes updates channel
		// and lets botHandler.Start() exit cleanly.
		cancel()
		botWG.Wait()
		logger.Info("Telegram bot successfully stopped.")
	}
}

// encodeQuery encodes the query string if it's longer than 64 characters.
func (t *Tgbot) encodeQuery(query string) string {
	// NOTE: we only need to hash for more than 64 chars
	if len(query) <= 64 {
		return query
	}

	return hashStorage.SaveHash(query)
}

// decodeQuery decodes a hashed query string back to its original form.
func (t *Tgbot) decodeQuery(query string) (string, error) {
	if !hashStorage.IsMD5(query) {
		return query, nil
	}

	decoded, exists := hashStorage.GetValue(query)
	if !exists {
		return "", common.NewError("hash not found in storage!")
	}

	return decoded, nil
}

// OnReceive starts the message receiving loop for the Telegram bot.
func (t *Tgbot) OnReceive() {
	params := telego.GetUpdatesParams{
		Timeout: 20, // Reduced timeout to detect connection issues faster
	}
	// Strict singleton: never start a second long-polling loop.
	tgBotMutex.Lock()
	if botCancel != nil || isRunning {
		tgBotMutex.Unlock()
		logger.Warning("TgBot OnReceive called while already running; ignoring.")
		return
	}

	ctx, cancel := context.WithCancel(context.Background())
	botCancel = cancel
	isRunning = true
	// Add to WaitGroup before releasing the lock so StopBot() can't return
	// before this receiver goroutine is accounted for.
	botWG.Add(1)
	tgBotMutex.Unlock()

	// Get updates channel using the context with shorter timeout for better error recovery
	updates, _ := bot.UpdatesViaLongPolling(ctx, &params)
	go func() {
		defer botWG.Done()
		h, _ := th.NewBotHandler(bot, updates)
		tgBotMutex.Lock()
		botHandler = h
		tgBotMutex.Unlock()

		h.HandleMessage(func(ctx *th.Context, message telego.Message) error {
			delete(userStates, message.Chat.ID)
			t.SendMsgToTgbot(message.Chat.ID, t.I18nBot("tgbot.keyboardClosed"), tu.ReplyKeyboardRemove())
			return nil
		}, th.TextEqual(t.I18nBot("tgbot.buttons.closeKeyboard")))

		h.HandleMessage(func(ctx *th.Context, message telego.Message) error {
			// Use goroutine with worker pool for concurrent command processing
			go func() {
				messageWorkerPool <- struct{}{}        // Acquire worker
				defer func() { <-messageWorkerPool }() // Release worker

				delete(userStates, message.Chat.ID)
				t.answerCommand(&message, message.Chat.ID, checkAdmin(message.From.ID))
			}()
			return nil
		}, th.AnyCommand())

		h.HandleCallbackQuery(func(ctx *th.Context, query telego.CallbackQuery) error {
			// Use goroutine with worker pool for concurrent callback processing
			go func() {
				messageWorkerPool <- struct{}{}        // Acquire worker
				defer func() { <-messageWorkerPool }() // Release worker

				delete(userStates, query.Message.GetChat().ID)
				t.answerCallback(&query, checkAdmin(query.From.ID))
			}()
			return nil
		}, th.AnyCallbackQueryWithMessage())

		h.HandleMessage(func(ctx *th.Context, message telego.Message) error {
			if userState, exists := userStates[message.Chat.ID]; exists {
				switch userState {
				case "awaiting_id":
					if client_Id == strings.TrimSpace(message.Text) {
						t.SendMsgToTgbotDeleteAfter(message.Chat.ID, t.I18nBot("tgbot.messages.using_default_value"), 3, tu.ReplyKeyboardRemove())
						delete(userStates, message.Chat.ID)
						inbound, _ := t.inboundService.GetInbound(receiver_inbound_ID)
						message_text, _ := t.BuildInboundClientDataMessage(inbound.Remark, inbound.Protocol)
						t.addClient(message.Chat.ID, message_text)
						return nil
					}

					client_Id = strings.TrimSpace(message.Text)
					if t.isSingleWord(client_Id) {
						userStates[message.Chat.ID] = "awaiting_id"

						cancel_btn_markup := tu.InlineKeyboard(
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.use_default")).WithCallbackData("add_client_default_info"),
							),
						)

						t.SendMsgToTgbot(message.Chat.ID, t.I18nBot("tgbot.messages.incorrect_input"), cancel_btn_markup)
					} else {
						t.SendMsgToTgbotDeleteAfter(message.Chat.ID, t.I18nBot("tgbot.messages.received_id"), 3, tu.ReplyKeyboardRemove())
						delete(userStates, message.Chat.ID)
						inbound, _ := t.inboundService.GetInbound(receiver_inbound_ID)
						message_text, _ := t.BuildInboundClientDataMessage(inbound.Remark, inbound.Protocol)
						t.addClient(message.Chat.ID, message_text)
					}
				case "awaiting_subid":
					newSubID := strings.TrimSpace(message.Text)

					if client_SubID == newSubID {
						t.SendMsgToTgbotDeleteAfter(message.Chat.ID, t.I18nBot("tgbot.messages.using_default_value"), 3, tu.ReplyKeyboardRemove())
						delete(userStates, message.Chat.ID)
						inbound, _ := t.inboundService.GetInbound(receiver_inbound_ID)
						message_text, _ := t.BuildInboundClientDataMessage(inbound.Remark, inbound.Protocol)
						t.addClient(message.Chat.ID, message_text)
						return nil
					}

					isValidURI, _ := regexp.MatchString(`^[\p{L}\p{N}\-_]+$`, newSubID)

					if !isValidURI {
						userStates[message.Chat.ID] = "awaiting_subid"

						cancel_btn_markup := tu.InlineKeyboard(
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.use_default")).WithCallbackData("add_client_default_info"),
							),
						)

						t.SendMsgToTgbot(message.Chat.ID, t.I18nBot("tgbot.messages.invalid_subid"), cancel_btn_markup)
					} else {
						client_SubID = newSubID
						t.SendMsgToTgbotDeleteAfter(message.Chat.ID, t.I18nBot("tgbot.messages.received_subid"), 3, tu.ReplyKeyboardRemove())
						delete(userStates, message.Chat.ID)
						inbound, _ := t.inboundService.GetInbound(receiver_inbound_ID)
						message_text, _ := t.BuildInboundClientDataMessage(inbound.Remark, inbound.Protocol)
						t.addClient(message.Chat.ID, message_text)
					}
				case "awaiting_password_tr":
					if client_TrPassword == strings.TrimSpace(message.Text) {
						t.SendMsgToTgbotDeleteAfter(message.Chat.ID, t.I18nBot("tgbot.messages.using_default_value"), 3, tu.ReplyKeyboardRemove())
						delete(userStates, message.Chat.ID)
						return nil
					}

					client_TrPassword = strings.TrimSpace(message.Text)
					if t.isSingleWord(client_TrPassword) {
						userStates[message.Chat.ID] = "awaiting_password_tr"

						cancel_btn_markup := tu.InlineKeyboard(
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.use_default")).WithCallbackData("add_client_default_info"),
							),
						)

						t.SendMsgToTgbot(message.Chat.ID, t.I18nBot("tgbot.messages.incorrect_input"), cancel_btn_markup)
					} else {
						t.SendMsgToTgbotDeleteAfter(message.Chat.ID, t.I18nBot("tgbot.messages.received_password"), 3, tu.ReplyKeyboardRemove())
						delete(userStates, message.Chat.ID)
						inbound, _ := t.inboundService.GetInbound(receiver_inbound_ID)
						message_text, _ := t.BuildInboundClientDataMessage(inbound.Remark, inbound.Protocol)
						t.addClient(message.Chat.ID, message_text)
					}
				case "awaiting_password_sh":
					if client_ShPassword == strings.TrimSpace(message.Text) {
						t.SendMsgToTgbotDeleteAfter(message.Chat.ID, t.I18nBot("tgbot.messages.using_default_value"), 3, tu.ReplyKeyboardRemove())
						delete(userStates, message.Chat.ID)
						return nil
					}

					client_ShPassword = strings.TrimSpace(message.Text)
					if t.isSingleWord(client_ShPassword) {
						userStates[message.Chat.ID] = "awaiting_password_sh"

						cancel_btn_markup := tu.InlineKeyboard(
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.use_default")).WithCallbackData("add_client_default_info"),
							),
						)

						t.SendMsgToTgbot(message.Chat.ID, t.I18nBot("tgbot.messages.incorrect_input"), cancel_btn_markup)
					} else {
						t.SendMsgToTgbotDeleteAfter(message.Chat.ID, t.I18nBot("tgbot.messages.received_password"), 3, tu.ReplyKeyboardRemove())
						delete(userStates, message.Chat.ID)
						inbound, _ := t.inboundService.GetInbound(receiver_inbound_ID)
						message_text, _ := t.BuildInboundClientDataMessage(inbound.Remark, inbound.Protocol)
						t.addClient(message.Chat.ID, message_text)
					}
				case "awaiting_email":
					if client_Email == strings.TrimSpace(message.Text) {
						t.SendMsgToTgbotDeleteAfter(message.Chat.ID, t.I18nBot("tgbot.messages.using_default_value"), 3, tu.ReplyKeyboardRemove())
						delete(userStates, message.Chat.ID)
						return nil
					}

					client_Email = strings.TrimSpace(message.Text)
					if t.isSingleWord(client_Email) {
						userStates[message.Chat.ID] = "awaiting_email"

						cancel_btn_markup := tu.InlineKeyboard(
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.use_default")).WithCallbackData("add_client_default_info"),
							),
						)

						t.SendMsgToTgbot(message.Chat.ID, t.I18nBot("tgbot.messages.incorrect_input"), cancel_btn_markup)
					} else {
						t.SendMsgToTgbotDeleteAfter(message.Chat.ID, t.I18nBot("tgbot.messages.received_email"), 3, tu.ReplyKeyboardRemove())
						delete(userStates, message.Chat.ID)
						inbound, _ := t.inboundService.GetInbound(receiver_inbound_ID)
						message_text, _ := t.BuildInboundClientDataMessage(inbound.Remark, inbound.Protocol)
						t.addClient(message.Chat.ID, message_text)
					}
				case "awaiting_comment":
					if client_Comment == strings.TrimSpace(message.Text) {
						t.SendMsgToTgbotDeleteAfter(message.Chat.ID, t.I18nBot("tgbot.messages.using_default_value"), 3, tu.ReplyKeyboardRemove())
						delete(userStates, message.Chat.ID)
						return nil
					}

					client_Comment = strings.TrimSpace(message.Text)
					t.SendMsgToTgbotDeleteAfter(message.Chat.ID, t.I18nBot("tgbot.messages.received_comment"), 3, tu.ReplyKeyboardRemove())
					delete(userStates, message.Chat.ID)
					inbound, _ := t.inboundService.GetInbound(receiver_inbound_ID)
					message_text, _ := t.BuildInboundClientDataMessage(inbound.Remark, inbound.Protocol)
					t.addClient(message.Chat.ID, message_text)
				}

			} else {
				if message.UsersShared != nil {
					if checkAdmin(message.From.ID) {
						for _, sharedUser := range message.UsersShared.Users {
							userID := sharedUser.UserID
							needRestart, err := t.inboundService.SetClientTelegramUserID(message.UsersShared.RequestID, userID)
							if needRestart {
								t.xrayService.SetToNeedRestart()
							}
							output := ""
							if err != nil {
								output += t.I18nBot("tgbot.messages.selectUserFailed")
							} else {
								output += t.I18nBot("tgbot.messages.userSaved")
							}
							t.SendMsgToTgbot(message.Chat.ID, output, tu.ReplyKeyboardRemove())
						}
					} else {
						t.SendMsgToTgbot(message.Chat.ID, t.I18nBot("tgbot.noResult"), tu.ReplyKeyboardRemove())
					}
				}
			}
			return nil
		}, th.AnyMessage())

		h.Start()
	}()
}

// answerCommand processes incoming command messages from Telegram users.
func (t *Tgbot) answerCommand(message *telego.Message, chatId int64, isAdmin bool) {
	msg, onlyMessage := "", false

	command, _, commandArgs := tu.ParseCommand(message.Text)

	// Helper function to handle unknown commands.
	handleUnknownCommand := func() {
		msg += t.I18nBot("tgbot.commands.unknown")
	}

	// Handle the command.
	switch command {
	case "help":
		msg += t.I18nBot("tgbot.commands.help")
		msg += t.I18nBot("tgbot.commands.pleaseChoose")
	case "start":
		msg += t.I18nBot("tgbot.commands.start", "Firstname=="+html.EscapeString(message.From.FirstName))
		if isAdmin {
			msg += t.I18nBot("tgbot.commands.welcome", "Hostname=="+hostname)
		}
		msg += "\n\n" + t.I18nBot("tgbot.commands.pleaseChoose")
	case "status":
		onlyMessage = true
		msg += t.I18nBot("tgbot.commands.status")
	case "id":
		onlyMessage = true
		msg += t.I18nBot("tgbot.commands.getID", "ID=="+strconv.FormatInt(message.From.ID, 10))
	case "usage":
		onlyMessage = true
		if len(commandArgs) > 0 {
			if isAdmin {
				t.searchClient(chatId, commandArgs[0])
			} else {
				t.getClientUsage(chatId, int64(message.From.ID), commandArgs[0])
			}
		} else {
			msg += t.I18nBot("tgbot.commands.usage")
		}
	case "inbound":
		onlyMessage = true
		if isAdmin && len(commandArgs) > 0 {
			t.searchInbound(chatId, commandArgs[0])
		} else {
			handleUnknownCommand()
		}
	case "restart":
		onlyMessage = true
		if isAdmin {
			if len(commandArgs) == 0 {
				if t.xrayService.IsXrayRunning() {
					err := t.xrayService.RestartXray(true)
					if err != nil {
						msg += t.I18nBot("tgbot.commands.restartFailed", "Error=="+err.Error())
					} else {
						msg += t.I18nBot("tgbot.commands.restartSuccess")
					}
				} else {
					msg += t.I18nBot("tgbot.commands.xrayNotRunning")
				}
			} else {
				handleUnknownCommand()
				msg += t.I18nBot("tgbot.commands.restartUsage")
			}
		} else {
			handleUnknownCommand()
		}
	default:
		handleUnknownCommand()
	}

	if msg != "" {
		t.sendResponse(chatId, msg, onlyMessage, isAdmin)
	}
}

// sendResponse sends the response message based on the onlyMessage flag.
func (t *Tgbot) sendResponse(chatId int64, msg string, onlyMessage, isAdmin bool) {
	if onlyMessage {
		t.SendMsgToTgbot(chatId, msg)
	} else {
		t.SendAnswer(chatId, msg, isAdmin)
	}
}

// randomLowerAndNum generates a random string of lowercase letters and numbers.
func (t *Tgbot) randomLowerAndNum(length int) string {
	charset := "abcdefghijklmnopqrstuvwxyz0123456789"
	bytes := make([]byte, length)
	for i := range bytes {
		randomIndex, _ := rand.Int(rand.Reader, big.NewInt(int64(len(charset))))
		bytes[i] = charset[randomIndex.Int64()]
	}
	return string(bytes)
}

// randomShadowSocksPassword generates a random password for Shadowsocks.
func (t *Tgbot) randomShadowSocksPassword() string {
	array := make([]byte, 32)
	_, err := rand.Read(array)
	if err != nil {
		return t.randomLowerAndNum(32)
	}
	return base64.StdEncoding.EncodeToString(array)
}

// answerCallback processes callback queries from inline keyboards.
func (t *Tgbot) answerCallback(callbackQuery *telego.CallbackQuery, isAdmin bool) {
	chatId := callbackQuery.Message.GetChat().ID

	if isAdmin {
		// get query from hash storage
		decodedQuery, err := t.decodeQuery(callbackQuery.Data)
		if err != nil {
			t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.noQuery"))
			return
		}
		dataArray := strings.Split(decodedQuery, " ")

		if len(dataArray) >= 2 && len(dataArray[1]) > 0 {
			email := dataArray[1]
			switch dataArray[0] {
			case "get_clients_for_sub":
				inboundId := dataArray[1]
				inboundIdInt, err := strconv.Atoi(inboundId)
				if err != nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
					return
				}
				clientsKB, err := t.getInboundClientsFor(inboundIdInt, "client_sub_links")
				if err != nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
					return
				}
				inbound, _ := t.inboundService.GetInbound(inboundIdInt)
				t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.answers.chooseClient", "Inbound=="+inbound.Remark), clientsKB)
			case "get_clients_for_individual":
				inboundId := dataArray[1]
				inboundIdInt, err := strconv.Atoi(inboundId)
				if err != nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
					return
				}
				clientsKB, err := t.getInboundClientsFor(inboundIdInt, "client_individual_links")
				if err != nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
					return
				}
				inbound, _ := t.inboundService.GetInbound(inboundIdInt)
				t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.answers.chooseClient", "Inbound=="+inbound.Remark), clientsKB)
			case "get_clients_for_qr":
				inboundId := dataArray[1]
				inboundIdInt, err := strconv.Atoi(inboundId)
				if err != nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
					return
				}
				clientsKB, err := t.getInboundClientsFor(inboundIdInt, "client_qr_links")
				if err != nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
					return
				}
				inbound, _ := t.inboundService.GetInbound(inboundIdInt)
				t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.answers.chooseClient", "Inbound=="+inbound.Remark), clientsKB)
			case "client_sub_links":
				t.sendClientSubLinks(chatId, email)
				return
			case "client_individual_links":
				t.sendClientIndividualLinks(chatId, email)
				return
			case "client_qr_links":
				t.sendClientQRLinks(chatId, email)
				return
			case "client_get_usage":
				t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.messages.email", "Email=="+email))
				t.searchClient(chatId, email)
			case "client_refresh":
				t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.clientRefreshSuccess", "Email=="+email))
				t.searchClient(chatId, email, callbackQuery.Message.GetMessageID())
			case "client_cancel":
				t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.canceled", "Email=="+email))
				t.searchClient(chatId, email, callbackQuery.Message.GetMessageID())
			case "ips_refresh":
				t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.IpRefreshSuccess", "Email=="+email))
				t.searchClientIps(chatId, email, callbackQuery.Message.GetMessageID())
			case "ips_cancel":
				t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.canceled", "Email=="+email))
				t.searchClientIps(chatId, email, callbackQuery.Message.GetMessageID())
			case "tgid_refresh":
				t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.TGIdRefreshSuccess", "Email=="+email))
				t.clientTelegramUserInfo(chatId, email, callbackQuery.Message.GetMessageID())
			case "tgid_cancel":
				t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.canceled", "Email=="+email))
				t.clientTelegramUserInfo(chatId, email, callbackQuery.Message.GetMessageID())
			case "reset_traffic":
				inlineKeyboard := tu.InlineKeyboard(
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.cancelReset")).WithCallbackData(t.encodeQuery("client_cancel "+email)),
					),
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.confirmResetTraffic")).WithCallbackData(t.encodeQuery("reset_traffic_c "+email)),
					),
				)
				t.editMessageCallbackTgBot(chatId, callbackQuery.Message.GetMessageID(), inlineKeyboard)
			case "reset_traffic_c":
				err := t.inboundService.ResetClientTrafficByEmail(email)
				if err == nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.resetTrafficSuccess", "Email=="+email))
					t.searchClient(chatId, email, callbackQuery.Message.GetMessageID())
				} else {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.errorOperation"))
				}
			case "limit_traffic":
				inlineKeyboard := tu.InlineKeyboard(
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.cancel")).WithCallbackData(t.encodeQuery("client_cancel "+email)),
					),
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton(t.I18nBot("tgbot.unlimited")).WithCallbackData(t.encodeQuery("limit_traffic_c "+email+" 0")),
						tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.custom")).WithCallbackData(t.encodeQuery("limit_traffic_in "+email+" 0")),
					),
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton("1 GB").WithCallbackData(t.encodeQuery("limit_traffic_c "+email+" 1")),
						tu.InlineKeyboardButton("5 GB").WithCallbackData(t.encodeQuery("limit_traffic_c "+email+" 5")),
						tu.InlineKeyboardButton("10 GB").WithCallbackData(t.encodeQuery("limit_traffic_c "+email+" 10")),
					),
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton("20 GB").WithCallbackData(t.encodeQuery("limit_traffic_c "+email+" 20")),
						tu.InlineKeyboardButton("30 GB").WithCallbackData(t.encodeQuery("limit_traffic_c "+email+" 30")),
						tu.InlineKeyboardButton("40 GB").WithCallbackData(t.encodeQuery("limit_traffic_c "+email+" 40")),
					),
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton("50 GB").WithCallbackData(t.encodeQuery("limit_traffic_c "+email+" 50")),
						tu.InlineKeyboardButton("60 GB").WithCallbackData(t.encodeQuery("limit_traffic_c "+email+" 60")),
						tu.InlineKeyboardButton("80 GB").WithCallbackData(t.encodeQuery("limit_traffic_c "+email+" 80")),
					),
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton("100 GB").WithCallbackData(t.encodeQuery("limit_traffic_c "+email+" 100")),
						tu.InlineKeyboardButton("150 GB").WithCallbackData(t.encodeQuery("limit_traffic_c "+email+" 150")),
						tu.InlineKeyboardButton("200 GB").WithCallbackData(t.encodeQuery("limit_traffic_c "+email+" 200")),
					),
				)
				t.editMessageCallbackTgBot(chatId, callbackQuery.Message.GetMessageID(), inlineKeyboard)
			case "limit_traffic_c":
				if len(dataArray) == 3 {
					limitTraffic, err := strconv.Atoi(dataArray[2])
					if err == nil {
						needRestart, err := t.inboundService.ResetClientTrafficLimitByEmail(email, limitTraffic)
						if needRestart {
							t.xrayService.SetToNeedRestart()
						}
						if err == nil {
							t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.setTrafficLimitSuccess", "Email=="+email))
							t.searchClient(chatId, email, callbackQuery.Message.GetMessageID())
							return
						}
					}
				}
				t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.errorOperation"))
				t.searchClient(chatId, email, callbackQuery.Message.GetMessageID())
			case "limit_traffic_in":
				if len(dataArray) >= 3 {
					oldInputNumber, err := strconv.Atoi(dataArray[2])
					inputNumber := oldInputNumber
					if err == nil {
						if len(dataArray) == 4 {
							num, err := strconv.Atoi(dataArray[3])
							if err == nil {
								switch num {
								case -2:
									inputNumber = 0
								case -1:
									if inputNumber > 0 {
										inputNumber = (inputNumber / 10)
									}
								default:
									inputNumber = (inputNumber * 10) + num
								}
							}
							if inputNumber == oldInputNumber {
								t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.successfulOperation"))
								return
							}
							if inputNumber >= 999999 {
								t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.errorOperation"))
								return
							}
						}
						inlineKeyboard := tu.InlineKeyboard(
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.cancel")).WithCallbackData(t.encodeQuery("client_cancel "+email)),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.confirmNumberAdd", "Num=="+strconv.Itoa(inputNumber))).WithCallbackData(t.encodeQuery("limit_traffic_c "+email+" "+strconv.Itoa(inputNumber))),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("1").WithCallbackData(t.encodeQuery("limit_traffic_in "+email+" "+strconv.Itoa(inputNumber)+" 1")),
								tu.InlineKeyboardButton("2").WithCallbackData(t.encodeQuery("limit_traffic_in "+email+" "+strconv.Itoa(inputNumber)+" 2")),
								tu.InlineKeyboardButton("3").WithCallbackData(t.encodeQuery("limit_traffic_in "+email+" "+strconv.Itoa(inputNumber)+" 3")),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("4").WithCallbackData(t.encodeQuery("limit_traffic_in "+email+" "+strconv.Itoa(inputNumber)+" 4")),
								tu.InlineKeyboardButton("5").WithCallbackData(t.encodeQuery("limit_traffic_in "+email+" "+strconv.Itoa(inputNumber)+" 5")),
								tu.InlineKeyboardButton("6").WithCallbackData(t.encodeQuery("limit_traffic_in "+email+" "+strconv.Itoa(inputNumber)+" 6")),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("7").WithCallbackData(t.encodeQuery("limit_traffic_in "+email+" "+strconv.Itoa(inputNumber)+" 7")),
								tu.InlineKeyboardButton("8").WithCallbackData(t.encodeQuery("limit_traffic_in "+email+" "+strconv.Itoa(inputNumber)+" 8")),
								tu.InlineKeyboardButton("9").WithCallbackData(t.encodeQuery("limit_traffic_in "+email+" "+strconv.Itoa(inputNumber)+" 9")),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("🔄").WithCallbackData(t.encodeQuery("limit_traffic_in "+email+" "+strconv.Itoa(inputNumber)+" -2")),
								tu.InlineKeyboardButton("0").WithCallbackData(t.encodeQuery("limit_traffic_in "+email+" "+strconv.Itoa(inputNumber)+" 0")),
								tu.InlineKeyboardButton("⬅️").WithCallbackData(t.encodeQuery("limit_traffic_in "+email+" "+strconv.Itoa(inputNumber)+" -1")),
							),
						)
						t.editMessageCallbackTgBot(chatId, callbackQuery.Message.GetMessageID(), inlineKeyboard)
						return
					}
				}
				t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.errorOperation"))
				t.searchClient(chatId, email, callbackQuery.Message.GetMessageID())
			case "add_client_limit_traffic_c":
				limitTraffic, _ := strconv.ParseInt(dataArray[1], 10, 64)
				client_TotalGB = limitTraffic * 1024 * 1024 * 1024
				messageId := callbackQuery.Message.GetMessageID()
				inbound, err := t.inboundService.GetInbound(receiver_inbound_ID)
				if err != nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
					return
				}
				message_text, err := t.BuildInboundClientDataMessage(inbound.Remark, inbound.Protocol)
				if err != nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
					return
				}

				t.addClient(callbackQuery.Message.GetChat().ID, message_text, messageId)
				t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.successfulOperation"))
			case "add_client_limit_traffic_in":
				if len(dataArray) >= 2 {
					oldInputNumber, err := strconv.Atoi(dataArray[1])
					inputNumber := oldInputNumber
					if err == nil {
						if len(dataArray) == 3 {
							num, err := strconv.Atoi(dataArray[2])
							if err == nil {
								switch num {
								case -2:
									inputNumber = 0
								case -1:
									if inputNumber > 0 {
										inputNumber = (inputNumber / 10)
									}
								default:
									inputNumber = (inputNumber * 10) + num
								}
							}
							if inputNumber == oldInputNumber {
								t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.successfulOperation"))
								return
							}
							if inputNumber >= 999999 {
								t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.errorOperation"))
								return
							}
						}
						inlineKeyboard := tu.InlineKeyboard(
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.cancel")).WithCallbackData(t.encodeQuery("add_client_default_traffic_exp")),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.confirmNumberAdd", "Num=="+strconv.Itoa(inputNumber))).WithCallbackData(t.encodeQuery("add_client_limit_traffic_c "+strconv.Itoa(inputNumber))),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("1").WithCallbackData(t.encodeQuery("add_client_limit_traffic_in "+strconv.Itoa(inputNumber)+" 1")),
								tu.InlineKeyboardButton("2").WithCallbackData(t.encodeQuery("add_client_limit_traffic_in "+strconv.Itoa(inputNumber)+" 2")),
								tu.InlineKeyboardButton("3").WithCallbackData(t.encodeQuery("add_client_limit_traffic_in "+strconv.Itoa(inputNumber)+" 3")),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("4").WithCallbackData(t.encodeQuery("add_client_limit_traffic_in "+strconv.Itoa(inputNumber)+" 4")),
								tu.InlineKeyboardButton("5").WithCallbackData(t.encodeQuery("add_client_limit_traffic_in "+strconv.Itoa(inputNumber)+" 5")),
								tu.InlineKeyboardButton("6").WithCallbackData(t.encodeQuery("add_client_limit_traffic_in "+strconv.Itoa(inputNumber)+" 6")),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("7").WithCallbackData(t.encodeQuery("add_client_limit_traffic_in "+strconv.Itoa(inputNumber)+" 7")),
								tu.InlineKeyboardButton("8").WithCallbackData(t.encodeQuery("add_client_limit_traffic_in "+strconv.Itoa(inputNumber)+" 8")),
								tu.InlineKeyboardButton("9").WithCallbackData(t.encodeQuery("add_client_limit_traffic_in "+strconv.Itoa(inputNumber)+" 9")),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("🔄").WithCallbackData(t.encodeQuery("add_client_limit_traffic_in "+strconv.Itoa(inputNumber)+" -2")),
								tu.InlineKeyboardButton("0").WithCallbackData(t.encodeQuery("add_client_limit_traffic_in "+strconv.Itoa(inputNumber)+" 0")),
								tu.InlineKeyboardButton("⬅️").WithCallbackData(t.encodeQuery("add_client_limit_traffic_in "+strconv.Itoa(inputNumber)+" -1")),
							),
						)
						t.editMessageCallbackTgBot(chatId, callbackQuery.Message.GetMessageID(), inlineKeyboard)
						return
					}
				}
			case "reset_exp":
				inlineKeyboard := tu.InlineKeyboard(
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.cancelReset")).WithCallbackData(t.encodeQuery("client_cancel "+email)),
					),
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton(t.I18nBot("tgbot.unlimited")).WithCallbackData(t.encodeQuery("reset_exp_c "+email+" 0")),
						tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.custom")).WithCallbackData(t.encodeQuery("reset_exp_in "+email+" 0")),
					),
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton(t.I18nBot("tgbot.add")+" 7 "+t.I18nBot("tgbot.days")).WithCallbackData(t.encodeQuery("reset_exp_c "+email+" 7")),
						tu.InlineKeyboardButton(t.I18nBot("tgbot.add")+" 10 "+t.I18nBot("tgbot.days")).WithCallbackData(t.encodeQuery("reset_exp_c "+email+" 10")),
					),
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton(t.I18nBot("tgbot.add")+" 14 "+t.I18nBot("tgbot.days")).WithCallbackData(t.encodeQuery("reset_exp_c "+email+" 14")),
						tu.InlineKeyboardButton(t.I18nBot("tgbot.add")+" 20 "+t.I18nBot("tgbot.days")).WithCallbackData(t.encodeQuery("reset_exp_c "+email+" 20")),
					),
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton(t.I18nBot("tgbot.add")+" 1 "+t.I18nBot("tgbot.month")).WithCallbackData(t.encodeQuery("reset_exp_c "+email+" 30")),
						tu.InlineKeyboardButton(t.I18nBot("tgbot.add")+" 3 "+t.I18nBot("tgbot.months")).WithCallbackData(t.encodeQuery("reset_exp_c "+email+" 90")),
					),
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton(t.I18nBot("tgbot.add")+" 6 "+t.I18nBot("tgbot.months")).WithCallbackData(t.encodeQuery("reset_exp_c "+email+" 180")),
						tu.InlineKeyboardButton(t.I18nBot("tgbot.add")+" 12 "+t.I18nBot("tgbot.months")).WithCallbackData(t.encodeQuery("reset_exp_c "+email+" 365")),
					),
				)
				t.editMessageCallbackTgBot(chatId, callbackQuery.Message.GetMessageID(), inlineKeyboard)
			case "reset_exp_c":
				if len(dataArray) == 3 {
					days, err := strconv.ParseInt(dataArray[2], 10, 64)
					if err == nil {
						var date int64
						if days > 0 {
							traffic, err := t.inboundService.GetClientTrafficByEmail(email)
							if err != nil {
								logger.Warning(err)
								msg := t.I18nBot("tgbot.wentWrong")
								t.SendMsgToTgbot(chatId, msg)
								return
							}
							if traffic == nil {
								msg := t.I18nBot("tgbot.noResult")
								t.SendMsgToTgbot(chatId, msg)
								return
							}

							if traffic.ExpiryTime > 0 {
								if traffic.ExpiryTime-time.Now().Unix()*1000 < 0 {
									date = -int64(days * 24 * 60 * 60000)
								} else {
									date = traffic.ExpiryTime + int64(days*24*60*60000)
								}
							} else {
								date = traffic.ExpiryTime - int64(days*24*60*60000)
							}

						}
						needRestart, err := t.inboundService.ResetClientExpiryTimeByEmail(email, date)
						if needRestart {
							t.xrayService.SetToNeedRestart()
						}
						if err == nil {
							t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.expireResetSuccess", "Email=="+email))
							t.searchClient(chatId, email, callbackQuery.Message.GetMessageID())
							return
						}
					}
				}
				t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.errorOperation"))
				t.searchClient(chatId, email, callbackQuery.Message.GetMessageID())
			case "reset_exp_in":
				if len(dataArray) >= 3 {
					oldInputNumber, err := strconv.Atoi(dataArray[2])
					inputNumber := oldInputNumber
					if err == nil {
						if len(dataArray) == 4 {
							num, err := strconv.Atoi(dataArray[3])
							if err == nil {
								switch num {
								case -2:
									inputNumber = 0
								case -1:
									if inputNumber > 0 {
										inputNumber = (inputNumber / 10)
									}
								default:
									inputNumber = (inputNumber * 10) + num
								}
							}
							if inputNumber == oldInputNumber {
								t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.successfulOperation"))
								return
							}
							if inputNumber >= 999999 {
								t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.errorOperation"))
								return
							}
						}
						inlineKeyboard := tu.InlineKeyboard(
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.cancel")).WithCallbackData(t.encodeQuery("client_cancel "+email)),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.confirmNumber", "Num=="+strconv.Itoa(inputNumber))).WithCallbackData(t.encodeQuery("reset_exp_c "+email+" "+strconv.Itoa(inputNumber))),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("1").WithCallbackData(t.encodeQuery("reset_exp_in "+email+" "+strconv.Itoa(inputNumber)+" 1")),
								tu.InlineKeyboardButton("2").WithCallbackData(t.encodeQuery("reset_exp_in "+email+" "+strconv.Itoa(inputNumber)+" 2")),
								tu.InlineKeyboardButton("3").WithCallbackData(t.encodeQuery("reset_exp_in "+email+" "+strconv.Itoa(inputNumber)+" 3")),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("4").WithCallbackData(t.encodeQuery("reset_exp_in "+email+" "+strconv.Itoa(inputNumber)+" 4")),
								tu.InlineKeyboardButton("5").WithCallbackData(t.encodeQuery("reset_exp_in "+email+" "+strconv.Itoa(inputNumber)+" 5")),
								tu.InlineKeyboardButton("6").WithCallbackData(t.encodeQuery("reset_exp_in "+email+" "+strconv.Itoa(inputNumber)+" 6")),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("7").WithCallbackData(t.encodeQuery("reset_exp_in "+email+" "+strconv.Itoa(inputNumber)+" 7")),
								tu.InlineKeyboardButton("8").WithCallbackData(t.encodeQuery("reset_exp_in "+email+" "+strconv.Itoa(inputNumber)+" 8")),
								tu.InlineKeyboardButton("9").WithCallbackData(t.encodeQuery("reset_exp_in "+email+" "+strconv.Itoa(inputNumber)+" 9")),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("🔄").WithCallbackData(t.encodeQuery("reset_exp_in "+email+" "+strconv.Itoa(inputNumber)+" -2")),
								tu.InlineKeyboardButton("0").WithCallbackData(t.encodeQuery("reset_exp_in "+email+" "+strconv.Itoa(inputNumber)+" 0")),
								tu.InlineKeyboardButton("⬅️").WithCallbackData(t.encodeQuery("reset_exp_in "+email+" "+strconv.Itoa(inputNumber)+" -1")),
							),
						)
						t.editMessageCallbackTgBot(chatId, callbackQuery.Message.GetMessageID(), inlineKeyboard)
						return
					}
				}
				t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.errorOperation"))
				t.searchClient(chatId, email, callbackQuery.Message.GetMessageID())
			case "add_client_reset_exp_c":
				client_ExpiryTime = 0
				days, _ := strconv.ParseInt(dataArray[1], 10, 64)
				var date int64
				if client_ExpiryTime > 0 {
					if client_ExpiryTime-time.Now().Unix()*1000 < 0 {
						date = -int64(days * 24 * 60 * 60000)
					} else {
						date = client_ExpiryTime + int64(days*24*60*60000)
					}
				} else {
					date = client_ExpiryTime - int64(days*24*60*60000)
				}
				client_ExpiryTime = date

				messageId := callbackQuery.Message.GetMessageID()
				inbound, err := t.inboundService.GetInbound(receiver_inbound_ID)
				if err != nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
					return
				}
				message_text, err := t.BuildInboundClientDataMessage(inbound.Remark, inbound.Protocol)
				if err != nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
					return
				}

				t.addClient(callbackQuery.Message.GetChat().ID, message_text, messageId)
				t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.successfulOperation"))
			case "add_client_reset_exp_in":
				if len(dataArray) >= 2 {
					oldInputNumber, err := strconv.Atoi(dataArray[1])
					inputNumber := oldInputNumber
					if err == nil {
						if len(dataArray) == 3 {
							num, err := strconv.Atoi(dataArray[2])
							if err == nil {
								switch num {
								case -2:
									inputNumber = 0
								case -1:
									if inputNumber > 0 {
										inputNumber = (inputNumber / 10)
									}
								default:
									inputNumber = (inputNumber * 10) + num
								}
							}
							if inputNumber == oldInputNumber {
								t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.successfulOperation"))
								return
							}
							if inputNumber >= 999999 {
								t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.errorOperation"))
								return
							}
						}
						inlineKeyboard := tu.InlineKeyboard(
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.cancel")).WithCallbackData(t.encodeQuery("add_client_default_traffic_exp")),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.confirmNumberAdd", "Num=="+strconv.Itoa(inputNumber))).WithCallbackData(t.encodeQuery("add_client_reset_exp_c "+strconv.Itoa(inputNumber))),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("1").WithCallbackData(t.encodeQuery("add_client_reset_exp_in "+strconv.Itoa(inputNumber)+" 1")),
								tu.InlineKeyboardButton("2").WithCallbackData(t.encodeQuery("add_client_reset_exp_in "+strconv.Itoa(inputNumber)+" 2")),
								tu.InlineKeyboardButton("3").WithCallbackData(t.encodeQuery("add_client_reset_exp_in "+strconv.Itoa(inputNumber)+" 3")),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("4").WithCallbackData(t.encodeQuery("add_client_reset_exp_in "+strconv.Itoa(inputNumber)+" 4")),
								tu.InlineKeyboardButton("5").WithCallbackData(t.encodeQuery("add_client_reset_exp_in "+strconv.Itoa(inputNumber)+" 5")),
								tu.InlineKeyboardButton("6").WithCallbackData(t.encodeQuery("add_client_reset_exp_in "+strconv.Itoa(inputNumber)+" 6")),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("7").WithCallbackData(t.encodeQuery("add_client_reset_exp_in "+strconv.Itoa(inputNumber)+" 7")),
								tu.InlineKeyboardButton("8").WithCallbackData(t.encodeQuery("add_client_reset_exp_in "+strconv.Itoa(inputNumber)+" 8")),
								tu.InlineKeyboardButton("9").WithCallbackData(t.encodeQuery("add_client_reset_exp_in "+strconv.Itoa(inputNumber)+" 9")),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("🔄").WithCallbackData(t.encodeQuery("add_client_reset_exp_in "+strconv.Itoa(inputNumber)+" -2")),
								tu.InlineKeyboardButton("0").WithCallbackData(t.encodeQuery("add_client_reset_exp_in "+strconv.Itoa(inputNumber)+" 0")),
								tu.InlineKeyboardButton("⬅️").WithCallbackData(t.encodeQuery("add_client_reset_exp_in "+strconv.Itoa(inputNumber)+" -1")),
							),
						)
						t.editMessageCallbackTgBot(chatId, callbackQuery.Message.GetMessageID(), inlineKeyboard)
						return
					}
				}
			case "ip_limit":
				inlineKeyboard := tu.InlineKeyboard(
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.cancelIpLimit")).WithCallbackData(t.encodeQuery("client_cancel "+email)),
					),
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton(t.I18nBot("tgbot.unlimited")).WithCallbackData(t.encodeQuery("ip_limit_c "+email+" 0")),
						tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.custom")).WithCallbackData(t.encodeQuery("ip_limit_in "+email+" 0")),
					),
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton("1").WithCallbackData(t.encodeQuery("ip_limit_c "+email+" 1")),
						tu.InlineKeyboardButton("2").WithCallbackData(t.encodeQuery("ip_limit_c "+email+" 2")),
					),
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton("3").WithCallbackData(t.encodeQuery("ip_limit_c "+email+" 3")),
						tu.InlineKeyboardButton("4").WithCallbackData(t.encodeQuery("ip_limit_c "+email+" 4")),
					),
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton("5").WithCallbackData(t.encodeQuery("ip_limit_c "+email+" 5")),
						tu.InlineKeyboardButton("6").WithCallbackData(t.encodeQuery("ip_limit_c "+email+" 6")),
						tu.InlineKeyboardButton("7").WithCallbackData(t.encodeQuery("ip_limit_c "+email+" 7")),
					),
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton("8").WithCallbackData(t.encodeQuery("ip_limit_c "+email+" 8")),
						tu.InlineKeyboardButton("9").WithCallbackData(t.encodeQuery("ip_limit_c "+email+" 9")),
						tu.InlineKeyboardButton("10").WithCallbackData(t.encodeQuery("ip_limit_c "+email+" 10")),
					),
				)
				t.editMessageCallbackTgBot(chatId, callbackQuery.Message.GetMessageID(), inlineKeyboard)
			case "ip_limit_c":
				if len(dataArray) == 3 {
					count, err := strconv.Atoi(dataArray[2])
					if err == nil {
						needRestart, err := t.inboundService.ResetClientIpLimitByEmail(email, count)
						if needRestart {
							t.xrayService.SetToNeedRestart()
						}
						if err == nil {
							t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.resetIpSuccess", "Email=="+email, "Count=="+strconv.Itoa(count)))
							t.searchClient(chatId, email, callbackQuery.Message.GetMessageID())
							return
						}
					}
				}
				t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.errorOperation"))
				t.searchClient(chatId, email, callbackQuery.Message.GetMessageID())
			case "ip_limit_in":
				if len(dataArray) >= 3 {
					oldInputNumber, err := strconv.Atoi(dataArray[2])
					inputNumber := oldInputNumber
					if err == nil {
						if len(dataArray) == 4 {
							num, err := strconv.Atoi(dataArray[3])
							if err == nil {
								switch num {
								case -2:
									inputNumber = 0
								case -1:
									if inputNumber > 0 {
										inputNumber = (inputNumber / 10)
									}
								default:
									inputNumber = (inputNumber * 10) + num
								}
							}
							if inputNumber == oldInputNumber {
								t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.successfulOperation"))
								return
							}
							if inputNumber >= 999999 {
								t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.errorOperation"))
								return
							}
						}
						inlineKeyboard := tu.InlineKeyboard(
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.cancel")).WithCallbackData(t.encodeQuery("client_cancel "+email)),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.confirmNumber", "Num=="+strconv.Itoa(inputNumber))).WithCallbackData(t.encodeQuery("ip_limit_c "+email+" "+strconv.Itoa(inputNumber))),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("1").WithCallbackData(t.encodeQuery("ip_limit_in "+email+" "+strconv.Itoa(inputNumber)+" 1")),
								tu.InlineKeyboardButton("2").WithCallbackData(t.encodeQuery("ip_limit_in "+email+" "+strconv.Itoa(inputNumber)+" 2")),
								tu.InlineKeyboardButton("3").WithCallbackData(t.encodeQuery("ip_limit_in "+email+" "+strconv.Itoa(inputNumber)+" 3")),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("4").WithCallbackData(t.encodeQuery("ip_limit_in "+email+" "+strconv.Itoa(inputNumber)+" 4")),
								tu.InlineKeyboardButton("5").WithCallbackData(t.encodeQuery("ip_limit_in "+email+" "+strconv.Itoa(inputNumber)+" 5")),
								tu.InlineKeyboardButton("6").WithCallbackData(t.encodeQuery("ip_limit_in "+email+" "+strconv.Itoa(inputNumber)+" 6")),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("7").WithCallbackData(t.encodeQuery("ip_limit_in "+email+" "+strconv.Itoa(inputNumber)+" 7")),
								tu.InlineKeyboardButton("8").WithCallbackData(t.encodeQuery("ip_limit_in "+email+" "+strconv.Itoa(inputNumber)+" 8")),
								tu.InlineKeyboardButton("9").WithCallbackData(t.encodeQuery("ip_limit_in "+email+" "+strconv.Itoa(inputNumber)+" 9")),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("🔄").WithCallbackData(t.encodeQuery("ip_limit_in "+email+" "+strconv.Itoa(inputNumber)+" -2")),
								tu.InlineKeyboardButton("0").WithCallbackData(t.encodeQuery("ip_limit_in "+email+" "+strconv.Itoa(inputNumber)+" 0")),
								tu.InlineKeyboardButton("⬅️").WithCallbackData(t.encodeQuery("ip_limit_in "+email+" "+strconv.Itoa(inputNumber)+" -1")),
							),
						)
						t.editMessageCallbackTgBot(chatId, callbackQuery.Message.GetMessageID(), inlineKeyboard)
						return
					}
				}
				t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.errorOperation"))
				t.searchClient(chatId, email, callbackQuery.Message.GetMessageID())
			case "add_client_ip_limit_c":
				if len(dataArray) == 2 {
					count, _ := strconv.Atoi(dataArray[1])
					client_LimitIP = count
				}

				messageId := callbackQuery.Message.GetMessageID()
				inbound, err := t.inboundService.GetInbound(receiver_inbound_ID)
				if err != nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
					return
				}
				message_text, err := t.BuildInboundClientDataMessage(inbound.Remark, inbound.Protocol)
				if err != nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
					return
				}

				t.addClient(callbackQuery.Message.GetChat().ID, message_text, messageId)
				t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.successfulOperation"))
			case "add_client_ip_limit_in":
				if len(dataArray) >= 2 {
					oldInputNumber, err := strconv.Atoi(dataArray[1])
					inputNumber := oldInputNumber
					if err == nil {
						if len(dataArray) == 3 {
							num, err := strconv.Atoi(dataArray[2])
							if err == nil {
								switch num {
								case -2:
									inputNumber = 0
								case -1:
									if inputNumber > 0 {
										inputNumber = (inputNumber / 10)
									}
								default:
									inputNumber = (inputNumber * 10) + num
								}
							}
							if inputNumber == oldInputNumber {
								t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.successfulOperation"))
								return
							}
							if inputNumber >= 999999 {
								t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.errorOperation"))
								return
							}
						}
						inlineKeyboard := tu.InlineKeyboard(
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.cancel")).WithCallbackData(t.encodeQuery("add_client_default_ip_limit")),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.confirmNumber", "Num=="+strconv.Itoa(inputNumber))).WithCallbackData(t.encodeQuery("add_client_ip_limit_c "+strconv.Itoa(inputNumber))),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("1").WithCallbackData(t.encodeQuery("add_client_ip_limit_in "+strconv.Itoa(inputNumber)+" 1")),
								tu.InlineKeyboardButton("2").WithCallbackData(t.encodeQuery("add_client_ip_limit_in "+strconv.Itoa(inputNumber)+" 2")),
								tu.InlineKeyboardButton("3").WithCallbackData(t.encodeQuery("add_client_ip_limit_in "+strconv.Itoa(inputNumber)+" 3")),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("4").WithCallbackData(t.encodeQuery("add_client_ip_limit_in "+strconv.Itoa(inputNumber)+" 4")),
								tu.InlineKeyboardButton("5").WithCallbackData(t.encodeQuery("add_client_ip_limit_in "+strconv.Itoa(inputNumber)+" 5")),
								tu.InlineKeyboardButton("6").WithCallbackData(t.encodeQuery("add_client_ip_limit_in "+strconv.Itoa(inputNumber)+" 6")),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("7").WithCallbackData(t.encodeQuery("add_client_ip_limit_in "+strconv.Itoa(inputNumber)+" 7")),
								tu.InlineKeyboardButton("8").WithCallbackData(t.encodeQuery("add_client_ip_limit_in "+strconv.Itoa(inputNumber)+" 8")),
								tu.InlineKeyboardButton("9").WithCallbackData(t.encodeQuery("add_client_ip_limit_in "+strconv.Itoa(inputNumber)+" 9")),
							),
							tu.InlineKeyboardRow(
								tu.InlineKeyboardButton("🔄").WithCallbackData(t.encodeQuery("add_client_ip_limit_in "+strconv.Itoa(inputNumber)+" -2")),
								tu.InlineKeyboardButton("0").WithCallbackData(t.encodeQuery("add_client_ip_limit_in "+strconv.Itoa(inputNumber)+" 0")),
								tu.InlineKeyboardButton("⬅️").WithCallbackData(t.encodeQuery("add_client_ip_limit_in "+strconv.Itoa(inputNumber)+" -1")),
							),
						)
						t.editMessageCallbackTgBot(chatId, callbackQuery.Message.GetMessageID(), inlineKeyboard)
						return
					}
				}
			case "clear_ips":
				inlineKeyboard := tu.InlineKeyboard(
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.cancel")).WithCallbackData(t.encodeQuery("ips_cancel "+email)),
					),
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.confirmClearIps")).WithCallbackData(t.encodeQuery("clear_ips_c "+email)),
					),
				)
				t.editMessageCallbackTgBot(chatId, callbackQuery.Message.GetMessageID(), inlineKeyboard)
			case "clear_ips_c":
				err := t.inboundService.ClearClientIps(email)
				if err == nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.clearIpSuccess", "Email=="+email))
					t.searchClientIps(chatId, email, callbackQuery.Message.GetMessageID())
				} else {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.errorOperation"))
				}
			case "ip_log":
				t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.getIpLog", "Email=="+email))
				t.searchClientIps(chatId, email)
			case "tg_user":
				t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.getUserInfo", "Email=="+email))
				t.clientTelegramUserInfo(chatId, email)
			case "tgid_remove":
				inlineKeyboard := tu.InlineKeyboard(
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.cancel")).WithCallbackData(t.encodeQuery("tgid_cancel "+email)),
					),
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.confirmRemoveTGUser")).WithCallbackData(t.encodeQuery("tgid_remove_c "+email)),
					),
				)
				t.editMessageCallbackTgBot(chatId, callbackQuery.Message.GetMessageID(), inlineKeyboard)
			case "tgid_remove_c":
				traffic, err := t.inboundService.GetClientTrafficByEmail(email)
				if err != nil || traffic == nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.errorOperation"))
					return
				}
				needRestart, err := t.inboundService.SetClientTelegramUserID(traffic.Id, EmptyTelegramUserID)
				if needRestart {
					t.xrayService.SetToNeedRestart()
				}
				if err == nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.removedTGUserSuccess", "Email=="+email))
					t.clientTelegramUserInfo(chatId, email, callbackQuery.Message.GetMessageID())
				} else {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.errorOperation"))
				}
			case "toggle_enable":
				inlineKeyboard := tu.InlineKeyboard(
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.cancel")).WithCallbackData(t.encodeQuery("client_cancel "+email)),
					),
					tu.InlineKeyboardRow(
						tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.confirmToggle")).WithCallbackData(t.encodeQuery("toggle_enable_c "+email)),
					),
				)
				t.editMessageCallbackTgBot(chatId, callbackQuery.Message.GetMessageID(), inlineKeyboard)
			case "toggle_enable_c":
				enabled, needRestart, err := t.inboundService.ToggleClientEnableByEmail(email)
				if needRestart {
					t.xrayService.SetToNeedRestart()
				}
				if err == nil {
					if enabled {
						t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.enableSuccess", "Email=="+email))
					} else {
						t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.disableSuccess", "Email=="+email))
					}
					t.searchClient(chatId, email, callbackQuery.Message.GetMessageID())
				} else {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.errorOperation"))
				}
			case "get_clients":
				inboundId := dataArray[1]
				inboundIdInt, err := strconv.Atoi(inboundId)
				if err != nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
					return
				}
				inbound, err := t.inboundService.GetInbound(inboundIdInt)
				if err != nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
					return
				}
				clients, err := t.getInboundClients(inboundIdInt)
				if err != nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
					return
				}
				t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.answers.chooseClient", "Inbound=="+inbound.Remark), clients)
			case "add_client_to":
				// assign default values to clients variables
				client_Id = uuid.New().String()
				client_Flow = ""
				client_Email = t.randomLowerAndNum(8)
				client_LimitIP = 0
				client_TotalGB = 0
				client_ExpiryTime = 0
				client_Enable = true
				client_TgID = ""
				client_SubID = t.randomLowerAndNum(16)
				client_Comment = ""
				client_Reset = 0
				client_Security = "auto"
				client_ShPassword = t.randomShadowSocksPassword()
				client_TrPassword = t.randomLowerAndNum(10)
				client_Method = ""

				inboundId := dataArray[1]
				inboundIdInt, err := strconv.Atoi(inboundId)
				if err != nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
					return
				}
				receiver_inbound_ID = inboundIdInt
				inbound, err := t.inboundService.GetInbound(inboundIdInt)
				if err != nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
					return
				}

				message_text, err := t.BuildInboundClientDataMessage(inbound.Remark, inbound.Protocol)
				if err != nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
					return
				}

				t.addClient(callbackQuery.Message.GetChat().ID, message_text)
			}
			return
		} else {
			switch callbackQuery.Data {
			case "get_inbounds":
				inbounds, err := t.getInbounds()
				if err != nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
					return

				}
				t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.buttons.allClients"))
				t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.answers.chooseInbound"), inbounds)
			case "admin_client_sub_links":
				inbounds, err := t.getInboundsFor("get_clients_for_sub")
				if err != nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
					return
				}
				t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.answers.chooseInbound"), inbounds)
			case "admin_client_individual_links":
				inbounds, err := t.getInboundsFor("get_clients_for_individual")
				if err != nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
					return
				}
				t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.answers.chooseInbound"), inbounds)
			case "admin_client_qr_links":
				inbounds, err := t.getInboundsFor("get_clients_for_qr")
				if err != nil {
					t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
					return
				}
				t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.answers.chooseInbound"), inbounds)
			}

		}
	}

	switch callbackQuery.Data {
	case "get_usage":
		t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.buttons.serverUsage"))
		t.getServerUsage(chatId)
	case "usage_refresh":
		t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.successfulOperation"))
		t.getServerUsage(chatId, callbackQuery.Message.GetMessageID())
	case "inbounds":
		t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.buttons.getInbounds"))
		t.SendMsgToTgbot(chatId, t.getInboundUsages())
	case "deplete_soon":
		t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.buttons.depleteSoon"))
		t.getExhausted(chatId)
	case "get_backup":
		t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.buttons.dbBackup"))
		t.sendBackup(chatId)
	case "get_banlogs":
		t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.buttons.getBanLogs"))
		t.sendBanLogs(chatId, true)
	case "client_traffic":
		tgUserID := callbackQuery.From.ID
		t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.buttons.clientUsage"))
		t.getClientUsage(chatId, tgUserID)
	case "client_commands":
		t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.buttons.commands"))
		t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.commands.helpClientCommands"))
	case "client_sub_links":
		// show user's own clients to choose one for sub links
		tgUserID := callbackQuery.From.ID
		traffics, err := t.inboundService.GetClientTrafficTgBot(tgUserID)
		if err != nil {
			// fallback to message
			t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.answers.errorOperation")+"\r\n"+err.Error())
			return
		}
		if len(traffics) == 0 {
			t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.answers.askToAddUserId", "TgUserID=="+strconv.FormatInt(tgUserID, 10)))
			return
		}
		var buttons []telego.InlineKeyboardButton
		for _, tr := range traffics {
			buttons = append(buttons, tu.InlineKeyboardButton(tr.Email).WithCallbackData(t.encodeQuery("client_sub_links "+tr.Email)))
		}
		cols := 1
		if len(buttons) >= 6 {
			cols = 2
		}
		keyboard := tu.InlineKeyboardGrid(tu.InlineKeyboardCols(cols, buttons...))
		t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.commands.pleaseChoose"), keyboard)
	case "client_individual_links":
		// show user's clients to choose for individual links
		tgUserID := callbackQuery.From.ID
		traffics, err := t.inboundService.GetClientTrafficTgBot(tgUserID)
		if err != nil {
			t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.answers.errorOperation")+"\r\n"+err.Error())
			return
		}
		if len(traffics) == 0 {
			t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.answers.askToAddUserId", "TgUserID=="+strconv.FormatInt(tgUserID, 10)))
			return
		}
		var buttons2 []telego.InlineKeyboardButton
		for _, tr := range traffics {
			buttons2 = append(buttons2, tu.InlineKeyboardButton(tr.Email).WithCallbackData(t.encodeQuery("client_individual_links "+tr.Email)))
		}
		cols2 := 1
		if len(buttons2) >= 6 {
			cols2 = 2
		}
		keyboard2 := tu.InlineKeyboardGrid(tu.InlineKeyboardCols(cols2, buttons2...))
		t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.commands.pleaseChoose"), keyboard2)
	case "client_qr_links":
		// show user's clients to choose for QR codes
		tgUserID := callbackQuery.From.ID
		traffics, err := t.inboundService.GetClientTrafficTgBot(tgUserID)
		if err != nil {
			t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.answers.errorOccurred")+"\r\n"+err.Error())
			return
		}
		if len(traffics) == 0 {
			t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.answers.askToAddUserId", "TgUserID=="+strconv.FormatInt(tgUserID, 10)))
			return
		}
		var buttons3 []telego.InlineKeyboardButton
		for _, tr := range traffics {
			buttons3 = append(buttons3, tu.InlineKeyboardButton(tr.Email).WithCallbackData(t.encodeQuery("client_qr_links "+tr.Email)))
		}
		cols3 := 1
		if len(buttons3) >= 6 {
			cols3 = 2
		}
		keyboard3 := tu.InlineKeyboardGrid(tu.InlineKeyboardCols(cols3, buttons3...))
		t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.commands.pleaseChoose"), keyboard3)
	case "onlines":
		t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.buttons.onlines"))
		t.onlineClients(chatId)
	case "onlines_refresh":
		t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.successfulOperation"))
		t.onlineClients(chatId, callbackQuery.Message.GetMessageID())
	case "commands":
		t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.buttons.commands"))
		t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.commands.helpAdminCommands"))
	case "add_client":
		// assign default values to clients variables
		client_Id = uuid.New().String()
		client_Flow = ""
		client_Email = t.randomLowerAndNum(8)
		client_LimitIP = 0
		client_TotalGB = 0
		client_ExpiryTime = 0
		client_Enable = true
		client_TgID = ""
		client_SubID = t.randomLowerAndNum(16)
		client_Comment = ""
		client_Reset = 0
		client_Security = "auto"
		client_ShPassword = t.randomShadowSocksPassword()
		client_TrPassword = t.randomLowerAndNum(10)
		client_Method = ""

		inbounds, err := t.getInboundsAddClient()
		if err != nil {
			t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
			return
		}
		t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.buttons.addClient"))
		t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.answers.chooseInbound"), inbounds)
	case "add_client_ch_default_email":
		t.deleteMessageTgBot(chatId, callbackQuery.Message.GetMessageID())
		userStates[chatId] = "awaiting_email"
		cancel_btn_markup := tu.InlineKeyboard(
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.use_default")).WithCallbackData("add_client_default_info"),
			),
		)
		prompt_message := t.I18nBot("tgbot.messages.email_prompt", "ClientEmail=="+client_Email)
		t.SendMsgToTgbot(chatId, prompt_message, cancel_btn_markup)
	case "add_client_ch_default_subid":
		t.deleteMessageTgBot(chatId, callbackQuery.Message.GetMessageID())
		userStates[chatId] = "awaiting_subid"
		cancel_btn_markup := tu.InlineKeyboard(
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.use_default")).WithCallbackData("add_client_default_info"),
			),
		)
		prompt_message := t.I18nBot("tgbot.messages.subid_prompt", "ClientSubId=="+client_SubID)
		t.SendMsgToTgbot(chatId, prompt_message, cancel_btn_markup)

	case "add_client_ch_default_flow":
		inlineKeyboard := tu.InlineKeyboard(
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton("xtls-rprx-vision").WithCallbackData("set_flow_vision"),
			),
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton("xtls-rprx-vision-udp443").WithCallbackData("set_flow_vision_udp443"),
			),
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.flow_none")).WithCallbackData("set_flow_none"),
			),
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.cancel")).WithCallbackData("add_client_default_info"),
			),
		)
		t.editMessageCallbackTgBot(chatId, callbackQuery.Message.GetMessageID(), inlineKeyboard)

	case "set_flow_vision":
		client_Flow = "xtls-rprx-vision"
		messageId := callbackQuery.Message.GetMessageID()
		inbound, _ := t.inboundService.GetInbound(receiver_inbound_ID)
		message_text, _ := t.BuildInboundClientDataMessage(inbound.Remark, inbound.Protocol)
		t.addClient(chatId, message_text, messageId)
		t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.successfulOperation"))

	case "set_flow_vision_udp443":
		client_Flow = "xtls-rprx-vision-udp443"
		messageId := callbackQuery.Message.GetMessageID()
		inbound, _ := t.inboundService.GetInbound(receiver_inbound_ID)
		message_text, _ := t.BuildInboundClientDataMessage(inbound.Remark, inbound.Protocol)
		t.addClient(chatId, message_text, messageId)
		t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.successfulOperation"))

	case "set_flow_none":
		client_Flow = ""
		messageId := callbackQuery.Message.GetMessageID()
		inbound, _ := t.inboundService.GetInbound(receiver_inbound_ID)
		message_text, _ := t.BuildInboundClientDataMessage(inbound.Remark, inbound.Protocol)
		t.addClient(chatId, message_text, messageId)
		t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.successfulOperation"))
	case "add_client_ch_default_id":
		t.deleteMessageTgBot(chatId, callbackQuery.Message.GetMessageID())
		userStates[chatId] = "awaiting_id"
		cancel_btn_markup := tu.InlineKeyboard(
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.use_default")).WithCallbackData("add_client_default_info"),
			),
		)
		prompt_message := t.I18nBot("tgbot.messages.id_prompt", "ClientId=="+client_Id)
		t.SendMsgToTgbot(chatId, prompt_message, cancel_btn_markup)
	case "add_client_ch_default_pass_tr":
		t.deleteMessageTgBot(chatId, callbackQuery.Message.GetMessageID())
		userStates[chatId] = "awaiting_password_tr"
		cancel_btn_markup := tu.InlineKeyboard(
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.use_default")).WithCallbackData("add_client_default_info"),
			),
		)
		prompt_message := t.I18nBot("tgbot.messages.pass_prompt", "ClientPassword=="+client_TrPassword)
		t.SendMsgToTgbot(chatId, prompt_message, cancel_btn_markup)
	case "add_client_ch_default_pass_sh":
		t.deleteMessageTgBot(chatId, callbackQuery.Message.GetMessageID())
		userStates[chatId] = "awaiting_password_sh"
		cancel_btn_markup := tu.InlineKeyboard(
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.use_default")).WithCallbackData("add_client_default_info"),
			),
		)
		prompt_message := t.I18nBot("tgbot.messages.pass_prompt", "ClientPassword=="+client_ShPassword)
		t.SendMsgToTgbot(chatId, prompt_message, cancel_btn_markup)
	case "add_client_ch_default_comment":
		t.deleteMessageTgBot(chatId, callbackQuery.Message.GetMessageID())
		userStates[chatId] = "awaiting_comment"
		cancel_btn_markup := tu.InlineKeyboard(
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.use_default")).WithCallbackData("add_client_default_info"),
			),
		)
		prompt_message := t.I18nBot("tgbot.messages.comment_prompt", "ClientComment=="+client_Comment)
		t.SendMsgToTgbot(chatId, prompt_message, cancel_btn_markup)
	case "add_client_ch_default_traffic":
		inlineKeyboard := tu.InlineKeyboard(
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.cancel")).WithCallbackData(t.encodeQuery("add_client_default_traffic_exp")),
			),
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton(t.I18nBot("tgbot.unlimited")).WithCallbackData(t.encodeQuery("add_client_limit_traffic_c 0")),
				tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.custom")).WithCallbackData(t.encodeQuery("add_client_limit_traffic_in 0")),
			),
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton("1 GB").WithCallbackData(t.encodeQuery("add_client_limit_traffic_c 1")),
				tu.InlineKeyboardButton("5 GB").WithCallbackData(t.encodeQuery("add_client_limit_traffic_c 5")),
				tu.InlineKeyboardButton("10 GB").WithCallbackData(t.encodeQuery("add_client_limit_traffic_c 10")),
			),
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton("20 GB").WithCallbackData(t.encodeQuery("add_client_limit_traffic_c 20")),
				tu.InlineKeyboardButton("30 GB").WithCallbackData(t.encodeQuery("add_client_limit_traffic_c 30")),
				tu.InlineKeyboardButton("40 GB").WithCallbackData(t.encodeQuery("add_client_limit_traffic_c 40")),
			),
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton("50 GB").WithCallbackData(t.encodeQuery("add_client_limit_traffic_c 50")),
				tu.InlineKeyboardButton("60 GB").WithCallbackData(t.encodeQuery("add_client_limit_traffic_c 60")),
				tu.InlineKeyboardButton("80 GB").WithCallbackData(t.encodeQuery("add_client_limit_traffic_c 80")),
			),
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton("100 GB").WithCallbackData(t.encodeQuery("add_client_limit_traffic_c 100")),
				tu.InlineKeyboardButton("150 GB").WithCallbackData(t.encodeQuery("add_client_limit_traffic_c 150")),
				tu.InlineKeyboardButton("200 GB").WithCallbackData(t.encodeQuery("add_client_limit_traffic_c 200")),
			),
		)
		t.editMessageCallbackTgBot(chatId, callbackQuery.Message.GetMessageID(), inlineKeyboard)
	case "add_client_ch_default_exp":
		inlineKeyboard := tu.InlineKeyboard(
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.cancel")).WithCallbackData(t.encodeQuery("add_client_default_traffic_exp")),
			),
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton(t.I18nBot("tgbot.unlimited")).WithCallbackData(t.encodeQuery("add_client_reset_exp_c 0")),
				tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.custom")).WithCallbackData(t.encodeQuery("add_client_reset_exp_in 0")),
			),
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton(t.I18nBot("tgbot.add")+" 7 "+t.I18nBot("tgbot.days")).WithCallbackData(t.encodeQuery("add_client_reset_exp_c 7")),
				tu.InlineKeyboardButton(t.I18nBot("tgbot.add")+" 10 "+t.I18nBot("tgbot.days")).WithCallbackData(t.encodeQuery("add_client_reset_exp_c 10")),
			),
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton(t.I18nBot("tgbot.add")+" 14 "+t.I18nBot("tgbot.days")).WithCallbackData(t.encodeQuery("add_client_reset_exp_c 14")),
				tu.InlineKeyboardButton(t.I18nBot("tgbot.add")+" 20 "+t.I18nBot("tgbot.days")).WithCallbackData(t.encodeQuery("add_client_reset_exp_c 20")),
			),
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton(t.I18nBot("tgbot.add")+" 1 "+t.I18nBot("tgbot.month")).WithCallbackData(t.encodeQuery("add_client_reset_exp_c 30")),
				tu.InlineKeyboardButton(t.I18nBot("tgbot.add")+" 3 "+t.I18nBot("tgbot.months")).WithCallbackData(t.encodeQuery("add_client_reset_exp_c 90")),
			),
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton(t.I18nBot("tgbot.add")+" 6 "+t.I18nBot("tgbot.months")).WithCallbackData(t.encodeQuery("add_client_reset_exp_c 180")),
				tu.InlineKeyboardButton(t.I18nBot("tgbot.add")+" 12 "+t.I18nBot("tgbot.months")).WithCallbackData(t.encodeQuery("add_client_reset_exp_c 365")),
			),
		)
		t.editMessageCallbackTgBot(chatId, callbackQuery.Message.GetMessageID(), inlineKeyboard)
	case "add_client_ch_default_ip_limit":
		inlineKeyboard := tu.InlineKeyboard(
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.cancel")).WithCallbackData(t.encodeQuery("add_client_default_ip_limit")),
			),
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton(t.I18nBot("tgbot.unlimited")).WithCallbackData(t.encodeQuery("add_client_ip_limit_c 0")),
				tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.custom")).WithCallbackData(t.encodeQuery("add_client_ip_limit_in 0")),
			),
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton("1").WithCallbackData(t.encodeQuery("add_client_ip_limit_c 1")),
				tu.InlineKeyboardButton("2").WithCallbackData(t.encodeQuery("add_client_ip_limit_c 2")),
			),
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton("3").WithCallbackData(t.encodeQuery("add_client_ip_limit_c 3")),
				tu.InlineKeyboardButton("4").WithCallbackData(t.encodeQuery("add_client_ip_limit_c 4")),
			),
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton("5").WithCallbackData(t.encodeQuery("add_client_ip_limit_c 5")),
				tu.InlineKeyboardButton("6").WithCallbackData(t.encodeQuery("add_client_ip_limit_c 6")),
				tu.InlineKeyboardButton("7").WithCallbackData(t.encodeQuery("add_client_ip_limit_c 7")),
			),
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton("8").WithCallbackData(t.encodeQuery("add_client_ip_limit_c 8")),
				tu.InlineKeyboardButton("9").WithCallbackData(t.encodeQuery("add_client_ip_limit_c 9")),
				tu.InlineKeyboardButton("10").WithCallbackData(t.encodeQuery("add_client_ip_limit_c 10")),
			),
		)
		t.editMessageCallbackTgBot(chatId, callbackQuery.Message.GetMessageID(), inlineKeyboard)
	case "add_client_default_info":
		t.deleteMessageTgBot(chatId, callbackQuery.Message.GetMessageID())
		t.SendMsgToTgbotDeleteAfter(chatId, t.I18nBot("tgbot.messages.using_default_value"), 3, tu.ReplyKeyboardRemove())
		delete(userStates, chatId)
		inbound, _ := t.inboundService.GetInbound(receiver_inbound_ID)
		message_text, _ := t.BuildInboundClientDataMessage(inbound.Remark, inbound.Protocol)
		t.addClient(chatId, message_text)
	case "add_client_cancel":
		delete(userStates, chatId)
		t.deleteMessageTgBot(chatId, callbackQuery.Message.GetMessageID())
		t.SendMsgToTgbotDeleteAfter(chatId, t.I18nBot("tgbot.messages.cancel"), 3, tu.ReplyKeyboardRemove())
	case "add_client_default_traffic_exp":
		messageId := callbackQuery.Message.GetMessageID()
		inbound, err := t.inboundService.GetInbound(receiver_inbound_ID)
		if err != nil {
			t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
			return
		}
		message_text, err := t.BuildInboundClientDataMessage(inbound.Remark, inbound.Protocol)
		if err != nil {
			t.sendCallbackAnswerTgBot(callbackQuery.ID, err.Error())
			return
		}

		t.addClient(callbackQuery.Message.GetChat().ID, message_text, messageId)
		t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.successfulOperation"))
	case "add_client_submit_enable":
		client_Enable = true
		t.submitAddClient(callbackQuery)
	case "add_client_submit_disable":
		client_Enable = false
		t.submitAddClient(callbackQuery)
	}

}

func (t *Tgbot) submitAddClient(callbackQuery *telego.CallbackQuery) {
	chatId := callbackQuery.Message.GetChat().ID
	success, err := t.SubmitAddClient()
	if success {
		t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.successfulOperation"))
		t.deleteMessageTgBot(chatId, callbackQuery.Message.GetMessageID())
		t.SendMsgToTgbotDeleteAfter(chatId, t.I18nBot("tgbot.messages.clientAdded"), 3, tu.ReplyKeyboardRemove())
		t.xrayService.SetToNeedRestart()
	} else {
		t.sendCallbackAnswerTgBot(callbackQuery.ID, t.I18nBot("tgbot.answers.errorOccurred"))
		t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.answers.errorOccurred")+"\r\n"+err.Error())
	}
}

// getCommonClientButtons returns the shared inline keyboard rows for client configuration
func (t *Tgbot) getCommonClientButtons() [][]telego.InlineKeyboardButton {
	return [][]telego.InlineKeyboardButton{
		tu.InlineKeyboardRow(
			tu.InlineKeyboardButton("📝 Sub ID").WithCallbackData("add_client_ch_default_subid"),
		),
		tu.InlineKeyboardRow(
			tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.limitTraffic")).WithCallbackData("add_client_ch_default_traffic"),
			tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.resetExpire")).WithCallbackData("add_client_ch_default_exp"),
		),
		tu.InlineKeyboardRow(
			tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.change_comment")).WithCallbackData("add_client_ch_default_comment"),
			tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.ipLimit")).WithCallbackData("add_client_ch_default_ip_limit"),
		),
		tu.InlineKeyboardRow(
			tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.submitDisable")).WithCallbackData("add_client_submit_disable"),
			tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.submitEnable")).WithCallbackData("add_client_submit_enable"),
		),
		tu.InlineKeyboardRow(
			tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.cancel")).WithCallbackData("add_client_cancel"),
		),
	}
}

// addClient handles the process of adding a new client to an inbound.
func (t *Tgbot) addClient(chatId int64, msg string, messageID ...int) {
	inbound, err := t.inboundService.GetInbound(receiver_inbound_ID)
	if err != nil {
		t.SendMsgToTgbot(chatId, err.Error())
		return
	}

	protocol := inbound.Protocol

	var protocolRows [][]telego.InlineKeyboardButton
	switch protocol {
	case model.VMESS, model.VLESS:
		protocolRows = [][]telego.InlineKeyboardButton{
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.change_email")).WithCallbackData("add_client_ch_default_email"),
				tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.change_id")).WithCallbackData("add_client_ch_default_id"),
			),
		}
		if protocol == model.VLESS {
			canUseFlow := false
			var streamSettings map[string]interface{}
			if err := json.Unmarshal([]byte(inbound.StreamSettings), &streamSettings); err == nil {
				network, _ := streamSettings["network"].(string)
				security, _ := streamSettings["security"].(string)

				// Strict: only TCP and only with TLS or REALITY
				if network == "tcp" && (security == "tls" || security == "reality") {
					canUseFlow = true
				}
			}
			if canUseFlow {
				protocolRows = append(protocolRows, tu.InlineKeyboardRow(
					tu.InlineKeyboardButton("🌊 Flow").WithCallbackData("add_client_ch_default_flow"),
				))
			} else {
				client_Flow = ""
			}
		}
	case model.Trojan:
		protocolRows = [][]telego.InlineKeyboardButton{
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.change_email")).WithCallbackData("add_client_ch_default_email"),
				tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.change_password")).WithCallbackData("add_client_ch_default_pass_tr"),
			),
		}
	case model.Shadowsocks:
		protocolRows = [][]telego.InlineKeyboardButton{
			tu.InlineKeyboardRow(
				tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.change_email")).WithCallbackData("add_client_ch_default_email"),
				tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.change_password")).WithCallbackData("add_client_ch_default_pass_sh"),
			),
		}
	}

	commonRows := t.getCommonClientButtons()
	inlineKeyboard := tu.InlineKeyboard(append(protocolRows, commonRows...)...)

	if len(messageID) > 0 {
		t.editMessageTgBot(chatId, messageID[0], msg, inlineKeyboard)
	} else {
		t.SendMsgToTgbot(chatId, msg, inlineKeyboard)
	}
}

// searchInbound searches for inbounds by remark and sends the results.
func (t *Tgbot) searchInbound(chatId int64, remark string) {
	inbounds, err := t.inboundService.SearchInbounds(remark)
	if err != nil {
		logger.Warning(err)
		msg := t.I18nBot("tgbot.wentWrong")
		t.SendMsgToTgbot(chatId, msg)
		return
	}
	if len(inbounds) == 0 {
		msg := t.I18nBot("tgbot.noInbounds")
		t.SendMsgToTgbot(chatId, msg)
		return
	}

	for _, inbound := range inbounds {
		info := ""
		info += t.I18nBot("tgbot.messages.inbound", "Remark=="+inbound.Remark)
		info += t.I18nBot("tgbot.messages.port", "Port=="+strconv.Itoa(inbound.Port))
		info += t.I18nBot("tgbot.messages.traffic", "Total=="+common.FormatTraffic((inbound.Up+inbound.Down)), "Upload=="+common.FormatTraffic(inbound.Up), "Download=="+common.FormatTraffic(inbound.Down))

		if inbound.ExpiryTime == 0 {
			info += t.I18nBot("tgbot.messages.expire", "Time=="+t.I18nBot("tgbot.unlimited"))
		} else {
			info += t.I18nBot("tgbot.messages.expire", "Time=="+time.Unix((inbound.ExpiryTime/1000), 0).Format("2006-01-02 15:04:05"))
		}
		t.SendMsgToTgbot(chatId, info)

		if len(inbound.ClientStats) > 0 {
			var output strings.Builder
			for _, traffic := range inbound.ClientStats {
				output.WriteString(t.clientInfoMsg(&traffic, true, true, true, true, true, true))
			}
			t.SendMsgToTgbot(chatId, output.String())
		}
	}
}

// getExhausted retrieves and sends information about exhausted clients.
func (t *Tgbot) getExhausted(chatId int64) {
	trDiff := int64(0)
	exDiff := int64(0)
	now := time.Now().Unix() * 1000
	var exhaustedInbounds []model.Inbound
	var exhaustedClients []xray.ClientTraffic
	var disabledInbounds []model.Inbound
	var disabledClients []xray.ClientTraffic

	TrafficThreshold, err := t.settingService.GetTrafficDiff()
	if err == nil && TrafficThreshold > 0 {
		trDiff = int64(TrafficThreshold) * 1073741824
	}
	ExpireThreshold, err := t.settingService.GetExpireDiff()
	if err == nil && ExpireThreshold > 0 {
		exDiff = int64(ExpireThreshold) * 86400000
	}

	inbounds, _ := t.inboundService.GetAllInbounds()
	for _, inbound := range inbounds {
		if !inbound.Enable {
			disabledInbounds = append(disabledInbounds, inbound)
			continue
		}
		if (inbound.Total > 0 && inbound.Total-(inbound.Up+inbound.Down) < trDiff) || (inbound.ExpiryTime > 0 && inbound.ExpiryTime-now < exDiff) {
			exhaustedInbounds = append(exhaustedInbounds, inbound)
		}

		clients, _ := t.inboundService.GetClients(inbound)
		for _, client := range clients {
			if !client.Enable {
				disabledClients = append(disabledClients, client)
				continue
			}
			if (client.Total > 0 && client.Total-(client.Up+client.Down) < trDiff) || (client.ExpiryTime > 0 && client.ExpiryTime-now < exDiff) {
				exhaustedClients = append(exhaustedClients, client)
			}
		}
	}

	msg := ""
	if len(exhaustedInbounds) > 0 {
		msg += "⚠️ " + t.I18nBot("tgbot.messages.exhaustedInbounds") + ":\n"
		for _, inbound := range exhaustedInbounds {
			msg += fmt.Sprintf("- %s (Port: %d)\n", inbound.Remark, inbound.Port)
		}
		msg += "\n"
	}
	if len(exhaustedClients) > 0 {
		msg += "⚠️ " + t.I18nBot("tgbot.messages.exhaustedClients") + ":\n"
		for _, client := range exhaustedClients {
			msg += fmt.Sprintf("- %s\n", client.Email)
		}
		msg += "\n"
	}
	if len(disabledInbounds) > 0 {
		msg += "🚫 " + t.I18nBot("tgbot.messages.disabledInbounds") + ":\n"
		for _, inbound := range disabledInbounds {
			msg += fmt.Sprintf("- %s (Port: %d)\n", inbound.Remark, inbound.Port)
		}
		msg += "\n"
	}
	if len(disabledClients) > 0 {
		msg += "🚫 " + t.I18nBot("tgbot.messages.disabledClients") + ":\n"
		for _, client := range disabledClients {
			msg += fmt.Sprintf("- %s\n", client.Email)
		}
	}

	if msg == "" {
		msg = t.I18nBot("tgbot.messages.noExhausted")
	}

	t.SendMsgToTgbot(chatId, msg)
}

// searchClient searches for a client by email and sends its status.
func (t *Tgbot) searchClient(chatId int64, email string, messageID ...int) {
	traffic, err := t.inboundService.GetClientTrafficByEmail(email)
	if err != nil {
		logger.Warning(err)
		msg := t.I18nBot("tgbot.wentWrong")
		t.SendMsgToTgbot(chatId, msg)
		return
	}
	if traffic == nil {
		msg := t.I18nBot("tgbot.noResult")
		t.SendMsgToTgbot(chatId, msg)
		return
	}

	output := t.clientInfoMsg(traffic, true, true, true, true, true, len(messageID) > 0)

	inlineKeyboard := tu.InlineKeyboard(
		tu.InlineKeyboardRow(
			tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.refresh")).WithCallbackData(t.encodeQuery("client_refresh "+email)),
		),
		tu.InlineKeyboardRow(
			tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.limitTraffic")).WithCallbackData(t.encodeQuery("limit_traffic "+email)),
			tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.resetExpire")).WithCallbackData(t.encodeQuery("reset_exp "+email)),
		),
		tu.InlineKeyboardRow(
			tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.resetTraffic")).WithCallbackData(t.encodeQuery("reset_traffic "+email)),
			tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.ipLimit")).WithCallbackData(t.encodeQuery("ip_limit "+email)),
		),
		tu.InlineKeyboardRow(
			tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.setTGUser")).WithCallbackData(t.encodeQuery("tg_user "+email)),
		),
		tu.InlineKeyboardRow(
			tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.toggle")).WithCallbackData(t.encodeQuery("toggle_enable "+email)),
		),
	)

	if len(messageID) > 0 {
		t.editMessageTgBot(chatId, messageID[0], output, inlineKeyboard)
	} else {
		t.SendMsgToTgbot(chatId, output, inlineKeyboard)
	}
}

// getInboundsFor creates an inline keyboard with inbounds for a specific action.
func (t *Tgbot) getInboundsFor(action string) (*telego.InlineKeyboardMarkup, error) {
	inbounds, err := t.inboundService.GetAllInbounds()
	if err != nil {
		return nil, err
	}

	var buttons []telego.InlineKeyboardButton
	for _, inbound := range inbounds {
		buttons = append(buttons, tu.InlineKeyboardButton(inbound.Remark).WithCallbackData(t.encodeQuery(action+" "+strconv.Itoa(inbound.Id))))
	}

	cols := 1
	if len(buttons) >= 6 {
		cols = 2
	}
	keyboard := tu.InlineKeyboardGrid(tu.InlineKeyboardCols(cols, buttons...))
	return keyboard, nil
}

// getInboundClientsFor creates an inline keyboard with clients of a specific inbound for a specific action.
func (t *Tgbot) getInboundClientsFor(id int, action string) (*telego.InlineKeyboardMarkup, error) {
	inbound, err := t.inboundService.GetInbound(id)
	if err != nil {
		return nil, err
	}
	clients, err := t.inboundService.GetClients(inbound)
	if err != nil {
		return nil, err
	}

	var buttons []telego.InlineKeyboardButton
	for _, client := range clients {
		buttons = append(buttons, tu.InlineKeyboardButton(client.Email).WithCallbackData(t.encodeQuery(action+" "+client.Email)))
	}

	cols := 2
	if len(buttons) >= 10 {
		cols = 3
	}
	keyboard := tu.InlineKeyboardGrid(tu.InlineKeyboardCols(cols, buttons...))
	return keyboard, nil
}

// sendClientSubLinks sends subscription links for a client.
func (t *Tgbot) sendClientSubLinks(chatId int64, email string) {
	traffic, err := t.inboundService.GetClientTrafficByEmail(email)
	if err != nil || traffic == nil {
		t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.noResult"))
		return
	}

	subUrl, err := t.settingService.GetSubUrl()
	if err != nil || subUrl == "" {
		t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.messages.subUrlNotSet"))
		return
	}

	msg := t.I18nBot("tgbot.messages.subLinks", "Email=="+email)
	msg += fmt.Sprintf("\n`%s/sub/%s`", subUrl, traffic.SubId)
	t.SendMsgToTgbot(chatId, msg)
}

// sendClientIndividualLinks sends individual xray links for a client.
func (t *Tgbot) sendClientIndividualLinks(chatId int64, email string) {
	links, err := t.inboundService.GetClientLinksByEmail(email)
	if err != nil || len(links) == 0 {
		t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.noResult"))
		return
	}

	msg := t.I18nBot("tgbot.messages.individualLinks", "Email=="+email)
	for _, link := range links {
		msg += fmt.Sprintf("\n`%s`", link)
	}
	t.SendMsgToTgbot(chatId, msg)
}

// sendClientQRLinks sends QR codes for a client's links.
func (t *Tgbot) sendClientQRLinks(chatId int64, email string) {
	links, err := t.inboundService.GetClientLinksByEmail(email)
	if err != nil || len(links) == 0 {
		t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.noResult"))
		return
	}

	for _, link := range links {
		qr, err := qrcode.Encode(link, qrcode.Medium, 256)
		if err != nil {
			continue
		}
		t.SendPhotoToTgbot(chatId, qr, link)
	}
}

// onlineClients retrieves and sends information about currently online clients.
func (t *Tgbot) onlineClients(chatId int64, messageID ...int) {
	onlineClients := t.xrayService.GetOnlineClients()
	msg := ""
	if len(onlineClients) == 0 {
		msg = t.I18nBot("tgbot.messages.noOnlines")
	} else {
		msg = "👥 " + t.I18nBot("tgbot.buttons.onlines") + ":\n"
		for _, email := range onlineClients {
			msg += fmt.Sprintf("- %s\n", email)
		}
	}

	inlineKeyboard := tu.InlineKeyboard(
		tu.InlineKeyboardRow(
			tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.refresh")).WithCallbackData(t.encodeQuery("onlines_refresh")),
		),
	)

	if len(messageID) > 0 {
		t.editMessageTgBot(chatId, messageID[0], msg, inlineKeyboard)
	} else {
		t.SendMsgToTgbot(chatId, msg, inlineKeyboard)
	}
}

// getServerUsage retrieves and sends the server's usage statistics.
func (t *Tgbot) getServerUsage(chatId int64, messageID ...int) {
	status, exists := t.getCachedStatus()
	if !exists {
		status = t.serverService.GetStatus(t.lastStatus)
		t.setCachedStatus(status)
	}

	msg := "📊 " + t.I18nBot("tgbot.buttons.serverUsage") + ":\n"
	msg += t.I18nBot("tgbot.messages.cpu", "Usage=="+fmt.Sprintf("%.2f", status.Cpu))
	msg += t.I18nBot("tgbot.messages.mem", "Usage=="+common.FormatTraffic(status.Mem.Used), "Total=="+common.FormatTraffic(status.Mem.Total))
	msg += t.I18nBot("tgbot.messages.swap", "Usage=="+common.FormatTraffic(status.Swap.Used), "Total=="+common.FormatTraffic(status.Swap.Total))
	msg += t.I18nBot("tgbot.messages.disk", "Usage=="+common.FormatTraffic(status.Disk.Used), "Total=="+common.FormatTraffic(status.Disk.Total))
	msg += t.I18nBot("tgbot.messages.uptime", "Time=="+common.FormatDuration(status.Uptime))

	inlineKeyboard := tu.InlineKeyboard(
		tu.InlineKeyboardRow(
			tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.refresh")).WithCallbackData(t.encodeQuery("usage_refresh")),
		),
	)

	if len(messageID) > 0 {
		t.editMessageTgBot(chatId, messageID[0], msg, inlineKeyboard)
	} else {
		t.SendMsgToTgbot(chatId, msg, inlineKeyboard)
	}
}

// getInboundUsages retrieves and sends the usage statistics for all inbounds.
func (t *Tgbot) getInboundUsages() string {
	inbounds, _ := t.inboundService.GetAllInbounds()
	var msg strings.Builder
	msg.WriteString("📥 " + t.I18nBot("tgbot.buttons.getInbounds") + ":\n")
	for _, inbound := range inbounds {
		msg.WriteString(fmt.Sprintf("- %s: %s (Port: %d)\n", inbound.Remark, common.FormatTraffic(inbound.Up+inbound.Down), inbound.Port))
	}
	return msg.String()
}

// getClientUsage retrieves and sends the usage statistics for a client by its Telegram ID or email.
func (t *Tgbot) getClientUsage(chatId int64, tgUserID int64, email ...string) {
	var traffics []xray.ClientTraffic
	var err error

	if len(email) > 0 {
		traffic, err := t.inboundService.GetClientTrafficByEmail(email[0])
		if err == nil && traffic != nil {
			traffics = append(traffics, *traffic)
		}
	} else {
		traffics, err = t.inboundService.GetClientTrafficTgBot(tgUserID)
	}

	if err != nil || len(traffics) == 0 {
		t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.noResult"))
		return
	}

	for _, traffic := range traffics {
		t.SendMsgToTgbot(chatId, t.clientInfoMsg(&traffic, true, true, true, true, true, false))
	}
}

// searchClientIps retrieves and sends the IP log for a client by email.
func (t *Tgbot) searchClientIps(chatId int64, email string, messageID ...int) {
	ips, err := t.inboundService.GetClientIps(email)
	if err != nil {
		t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.wentWrong"))
		return
	}

	msg := t.I18nBot("tgbot.answers.getIpLog", "Email=="+email) + "\n"
	if len(ips) == 0 {
		msg += t.I18nBot("tgbot.messages.noIps")
	} else {
		for _, ip := range ips {
			msg += fmt.Sprintf("- `%s`\n", ip)
		}
	}

	inlineKeyboard := tu.InlineKeyboard(
		tu.InlineKeyboardRow(
			tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.refresh")).WithCallbackData(t.encodeQuery("ips_refresh "+email)),
		),
		tu.InlineKeyboardRow(
			tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.clearIps")).WithCallbackData(t.encodeQuery("clear_ips "+email)),
		),
		tu.InlineKeyboardRow(
			tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.cancel")).WithCallbackData(t.encodeQuery("ips_cancel "+email)),
		),
	)

	if len(messageID) > 0 {
		t.editMessageTgBot(chatId, messageID[0], msg, inlineKeyboard)
	} else {
		t.SendMsgToTgbot(chatId, msg, inlineKeyboard)
	}
}

// clientTelegramUserInfo retrieves and sends Telegram user info for a client.
func (t *Tgbot) clientTelegramUserInfo(chatId int64, email string, messageID ...int) {
	traffic, err := t.inboundService.GetClientTrafficByEmail(email)
	if err != nil || traffic == nil {
		t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.noResult"))
		return
	}

	msg := t.I18nBot("tgbot.answers.getUserInfo", "Email=="+email) + "\n"
	if traffic.TgId == 0 {
		msg += t.I18nBot("tgbot.messages.noTGUser")
	} else {
		msg += t.I18nBot("tgbot.messages.tgUser", "ID=="+strconv.FormatInt(traffic.TgId, 10))
	}

	inlineKeyboard := tu.InlineKeyboard(
		tu.InlineKeyboardRow(
			tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.refresh")).WithCallbackData(t.encodeQuery("tgid_refresh "+email)),
		),
		tu.InlineKeyboardRow(
			tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.removeTGUser")).WithCallbackData(t.encodeQuery("tgid_remove "+email)),
		),
		tu.InlineKeyboardRow(
			tu.InlineKeyboardButton(t.I18nBot("tgbot.buttons.cancel")).WithCallbackData(t.encodeQuery("tgid_cancel "+email)),
		),
	)

	if len(messageID) > 0 {
		t.editMessageTgBot(chatId, messageID[0], msg, inlineKeyboard)
	} else {
		t.SendMsgToTgbot(chatId, msg, inlineKeyboard)
	}
}

// sendBackup sends a database backup file to the specified chat.
func (t *Tgbot) sendBackup(chatId int64) {
	dbPath := config.GetDBPath()
	file, err := os.Open(dbPath)
	if err != nil {
		t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.wentWrong"))
		return
	}
	defer file.Close()

	doc := tu.Document(tu.ID(chatId), tu.File(file))
	_, err = bot.SendDocument(doc)
	if err != nil {
		t.SendMsgToTgbot(chatId, t.I18nBot("tgbot.wentWrong"))
	}
}

// sendBanLogs sends the ban logs to the specified chat.
func (t *Tgbot) sendBanLogs(chatId int64, isAdmin bool) {
	// Implementation depends on how ban logs are stored.
	// This is a placeholder.
	t.SendMsgToTgbot(chatId, "Ban logs feature is not implemented yet.")
}

// SendPhotoToTgbot sends a photo to the Telegram bot.
func (t *Tgbot) SendPhotoToTgbot(chatId int64, photo []byte, caption string) {
	photoMsg := tu.Photo(tu.ID(chatId), tu.File(io.NopCloser(strings.NewReader(string(photo)))))
	photoMsg.Caption = caption
	_, _ = bot.SendPhoto(photoMsg)
}

// sendCallbackAnswerTgBot sends an answer to a callback query.
func (t *Tgbot) sendCallbackAnswerTgBot(callbackQueryID string, text string) {
	_ = bot.AnswerCallbackQuery(tu.CallbackQueryAnswer(callbackQueryID).WithText(text))
}

// editMessageTgBot edits an existing message in the Telegram bot.
func (t *Tgbot) editMessageTgBot(chatId int64, messageID int, text string, replyMarkup ...telego.ReplyMarkup) {
	editMsg := tu.EditMessageText(tu.ID(chatId), messageID, text)
	if len(replyMarkup) > 0 {
		editMsg.ReplyMarkup = replyMarkup[0].(*telego.InlineKeyboardMarkup)
	}
	_, _ = bot.EditMessageText(editMsg)
}

// editMessageCallbackTgBot edits a message's reply markup based on a callback query.
func (t *Tgbot) editMessageCallbackTgBot(chatId int64, messageID int, replyMarkup telego.ReplyMarkup) {
	editMsg := tu.EditMessageReplyMarkup(tu.ID(chatId), messageID)
	editMsg.ReplyMarkup = replyMarkup.(*telego.InlineKeyboardMarkup)
	_, _ = bot.EditMessageReplyMarkup(editMsg)
}

// deleteMessageTgBot deletes a message in the Telegram bot.
func (t *Tgbot) deleteMessageTgBot(chatId int64, messageID int) {
	_ = bot.DeleteMessage(&telego.DeleteMessageParams{ChatID: tu.ID(chatId), MessageID: messageID})
}

// SendMsgToTgbotDeleteAfter sends a message and deletes it after a specified time.
func (t *Tgbot) SendMsgToTgbotDeleteAfter(chatId int64, msg string, seconds int, replyMarkup ...telego.ReplyMarkup) {
	sentMsg, err := bot.SendMessage(tu.Message(tu.ID(chatId), msg))
	if err == nil {
		if len(replyMarkup) > 0 {
			// update markup
		}
		go func() {
			time.Sleep(time.Duration(seconds) * time.Second)
			t.deleteMessageTgBot(chatId, sentMsg.MessageID)
		}()
	}
}

// isSingleWord checks if a string consists of a single word.
func (t *Tgbot) isSingleWord(s string) bool {
	return len(strings.Fields(s)) > 1
}

// BuildInboundClientDataMessage builds a message with the current client configuration.
func (t *Tgbot) BuildInboundClientDataMessage(remark string, protocol model.Protocol) (string, error) {
	msg := fmt.Sprintf("📝 *%s* (%s)\n\n", remark, protocol)
	msg += fmt.Sprintf("📧 Email: `%s`\n", client_Email)

	switch protocol {
	case model.VMESS, model.VLESS:
		msg += fmt.Sprintf("🆔 ID: `%s`\n", client_Id)
		if protocol == model.VLESS && client_Flow != "" {
			msg += fmt.Sprintf("🌊 Flow: `%s`\n", client_Flow)
		}
	case model.Trojan:
		msg += fmt.Sprintf("🔑 Password: `%s`\n", client_TrPassword)
	case model.Shadowsocks:
		msg += fmt.Sprintf("🔑 Password: `%s`\n", client_ShPassword)
	}

	msg += fmt.Sprintf("📝 Sub ID: `%s`\n", client_SubID)

	trafficLimit := t.I18nBot("tgbot.unlimited")
	if client_TotalGB > 0 {
		trafficLimit = common.FormatTraffic(client_TotalGB)
	}
	msg += fmt.Sprintf("📊 Traffic Limit: %s\n", trafficLimit)

	expireTime := t.I18nBot("tgbot.unlimited")
	if client_ExpiryTime < 0 {
		expireTime = fmt.Sprintf("%d %s", -client_ExpiryTime/(24*60*60*1000), t.I18nBot("tgbot.days"))
	} else if client_ExpiryTime > 0 {
		expireTime = time.Unix(client_ExpiryTime/1000, 0).Format("2006-01-02 15:04:05")
	}
	msg += fmt.Sprintf("📅 Expire Time: %s\n", expireTime)

	ipLimit := t.I18nBot("tgbot.unlimited")
	if client_LimitIP > 0 {
		ipLimit = strconv.Itoa(client_LimitIP)
	}
	msg += fmt.Sprintf("🚫 IP Limit: %s\n", ipLimit)

	if client_Comment != "" {
		msg += fmt.Sprintf("💬 Comment: %s\n", client_Comment)
	}

	return msg, nil
}