name: Build Traefik from Source

on:
  push:
    tags:
      - 'v*'
  workflow_dispatch:
    inputs:
      traefik_version:
        description: 'Version de Traefik à compiler (ex: v3.2.0)'
        required: true
        default: 'v3.2.0'

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.22'

      - name: Determine Traefik version
        id: version
        run: |
          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            VERSION="${{ github.event.inputs.traefik_version }}"
          else
            VERSION="${{ github.ref_name }}"
          fi
          echo "traefik_version=$VERSION" >> $GITHUB_OUTPUT
          echo "🏷️  Version Traefik: $VERSION"

      - name: Clone Traefik repository
        run: |
          git clone --depth 1 --branch ${{ steps.version.outputs.traefik_version }} https://github.com/traefik/traefik.git traefik-src
          cd traefik-src
          echo "📦 Traefik ${{ steps.version.outputs.traefik_version }} cloné"

      - name: Build Traefik
        run: |
          cd traefik-src
          export CGO_ENABLED=0
          make generate
          make binary
          echo "✅ Compilation terminée"

      - name: Verify binary
        run: |
          cd traefik-src
          ./dist/traefik version
          ls -lh ./dist/traefik

      - name: Create release archive
        run: |
          mkdir -p release
          cp traefik-src/dist/traefik release/
          cd release
          tar -czf traefik-${{ steps.version.outputs.traefik_version }}-linux-amd64.tar.gz traefik
          sha256sum traefik-${{ steps.version.outputs.traefik_version }}-linux-amd64.tar.gz > traefik-${{ steps.version.outputs.traefik_version }}-linux-amd64.tar.gz.sha256
          echo "📦 Archive créée"

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: traefik-${{ steps.version.outputs.traefik_version }}
          path: release/*
          retention-days: 90

      - name: Create Release (si tag)
        if: startsWith(github.ref, 'refs/tags/')
        uses: actions/forgejo-release@v2
        with:
          direction: upload
          token: ${{ secrets.GITHUB_TOKEN }}
          release-dir: release
          tag: ${{ github.ref_name }}