name: Update Go Dependencies

on:
  schedule:
    - cron: '0 0 * * 1'  # Запуск каждую неделю в понедельник в 00:00 UTC
  workflow_dispatch:      # Возможность ручного запуска

permissions:
  contents: write        # Явное указание разрешений

jobs:
  update:
    runs-on: ubuntu-latest  # Используем последнюю версию Ubuntu
    
    timeout-minutes: 30     # Добавляем таймаут для предотвращения зависания

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0    # Загружаем всю историю
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version-file: go.mod
          check-latest: true
          cache: true       # Включаем кэширование модулей

      - name: Check go.mod exists
        run: |
          if [ ! -f go.mod ]; then
            echo "Error: go.mod file not found"
            exit 1
          fi
          
      - name: Check go.mod and go.sum exist
        run: |
          if [ ! -f go.mod ]; then
            echo "Error: go.mod file not found"
            exit 1
          fi
          
          # Проверка наличия go.sum и создание, если отсутствует
          if [ ! -f go.sum ]; then
            echo "go.sum file not found, initializing it..."
            go mod tidy
          fi

      - name: Clean Go module cache
        run: |
          go clean -modcache
          go clean -cache

      - name: Update dependencies
        id: update
        run: |
          set -euo pipefail  # Строгий режим для bash
          
          echo "Updating standard Go dependencies..."
          
          # Обновляем стандартные зависимости с исключением gvisor 
          go list -f '{{if not (or .Main .Indirect)}}{{.Path}}{{end}}' -m all | \
            grep -v 'gvisor.dev/gvisor' | \
            grep -v 'github.com/xtls/xray-core' | \
            xargs -r go get -u
          
          echo "Specifically updating xray-core to latest version..."
          # Получаем последнюю версию xray-core (не псевдоверсию)
          LATEST_XRAY=$(go list -m -versions github.com/xtls/xray-core | tr ' ' '\n' | grep -v '-0.' | sort -V | tail -1)
          
          if [ -n "$LATEST_XRAY" ]; then
            echo "Latest stable xray-core version: $LATEST_XRAY"
            go get github.com/xtls/xray-core@$LATEST_XRAY
          else
            echo "Trying to get latest commit from xray-core..."
            go get github.com/xtls/xray-core@latest
          fi

          # Очистка и проверка
          go mod tidy
          go mod verify || exit 1
          
          # Выводим изменения для лога
          echo "Updated dependencies:"
          go list -m all

      - name: Check for changes
        id: check
        run: |
          if git diff --quiet go.mod go.sum; then
            echo "changes=false" >> $GITHUB_OUTPUT
            echo "No changes detected in dependencies"
          else
            echo "changes=true" >> $GITHUB_OUTPUT
            echo "Changes detected in dependencies:"
            git diff --unified=0 go.mod | grep -E '^\+' | grep -v '^\+\+'
          fi

      - name: Commit and push changes
        if: steps.check.outputs.changes == 'true'
        run: |
          git config --global user.name "github-actions[bot]"
          git config --global user.email "github-actions[bot]@users.noreply.github.com"
          
          git add go.mod go.sum
          git commit -m "chore(deps): update Go dependencies
          
          Automated update of Go dependencies including xray-core to latest stable version"
          
          # Попытка push с повторами при ошибках
          max_attempts=3
          attempt=1
          
          while [ $attempt -le $max_attempts ]; do
            if git push origin ${{ github.ref }}; then
              echo "Successfully pushed changes on attempt $attempt"
              break
            else
              if [ $attempt -eq $max_attempts ]; then
                echo "Failed to push after $max_attempts attempts"
                exit 1
              fi
              echo "Push failed on attempt $attempt, retrying..."
              attempt=$((attempt + 1))
              git pull --rebase
              sleep 5
            fi
          done