name: Build and Release on Tag

on:
  push:
    branches:
      - main

jobs:
  build-and-publish:
    runs-on: ubuntu-latest

    steps:
      # Checkout repository
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Extract Version
        id: extract_version
        run: |
          version=$(python3 -c "import version; print(version.__version__)")
          echo "VERSION=$version" >> $GITHUB_ENV

      # Set up Docker
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      # Log in to GHCR
      - name: Log in to GHCR
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # Build and push Docker image to GHCR with version tag
      - name: Build and Push Docker Image
        uses: docker/build-push-action@v4
        with:
          context: .
          push: true
          tags: ghcr.io/${{ github.repository }}:${{ env.VERSION }}

      # Create a release on GitHub
      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ env.VERSION }}
          name: Release ${{ env.VERSION }}
          generate_release_notes: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}