namespace ServiceLib.Handler.Fmt;

public class FmtHandler
{
    private static readonly string _tag = "FmtHandler";

    public static string? GetShareUri(ProfileItem item)
    {
        try
        {
            var url = item.ConfigType switch
            {
                EConfigType.VMess => VmessFmt.ToUri(item),
                EConfigType.Shadowsocks => ShadowsocksFmt.ToUri(item),
                EConfigType.SOCKS => SocksFmt.ToUri(item),
                EConfigType.Trojan => TrojanFmt.ToUri(item),
                EConfigType.VLESS => VLESSFmt.ToUri(item),
                EConfigType.Hysteria2 => Hysteria2Fmt.ToUri(item),
                EConfigType.TUIC => TuicFmt.ToUri(item),
                EConfigType.WireGuard => WireguardFmt.ToUri(item),
                _ => null,
            };

            return url;
        }
        catch (Exception ex)
        {
            Logging.SaveLog(_tag, ex);
            return "";
        }
    }

    public static ProfileItem? ResolveConfig(string config, out string msg)
    {
        msg = ResUI.ConfigurationFormatIncorrect;

        try
        {
            string str = config.TrimEx();
            if (str.IsNullOrEmpty())
            {
                msg = ResUI.FailedReadConfiguration;
                return null;
            }

            if (str.StartsWith(Global.ProtocolShares[EConfigType.VMess]))
            {
                return VmessFmt.Resolve(str, out msg);
            }
            else if (str.StartsWith(Global.ProtocolShares[EConfigType.Shadowsocks]))
            {
                return ShadowsocksFmt.Resolve(str, out msg);
            }
            else if (str.StartsWith(Global.ProtocolShares[EConfigType.SOCKS]))
            {
                return SocksFmt.Resolve(str, out msg);
            }
            else if (str.StartsWith(Global.ProtocolShares[EConfigType.Trojan]))
            {
                return TrojanFmt.Resolve(str, out msg);
            }
            else if (str.StartsWith(Global.ProtocolShares[EConfigType.VLESS]))
            {
                return VLESSFmt.Resolve(str, out msg);
            }
            else if (str.StartsWith(Global.ProtocolShares[EConfigType.Hysteria2]) || str.StartsWith(Global.Hysteria2ProtocolShare))
            {
                return Hysteria2Fmt.Resolve(str, out msg);
            }
            else if (str.StartsWith(Global.ProtocolShares[EConfigType.TUIC]))
            {
                return TuicFmt.Resolve(str, out msg);
            }
            else if (str.StartsWith(Global.ProtocolShares[EConfigType.WireGuard]))
            {
                return WireguardFmt.Resolve(str, out msg);
            }
            else
            {
                msg = ResUI.NonvmessOrssProtocol;
                return null;
            }
        }
        catch (Exception ex)
        {
            Logging.SaveLog(_tag, ex);
            msg = ResUI.Incorrectconfiguration;
            return null;
        }
    }
}