name: Build Container Image

on:
  push:
    paths:
      - 'Dockerfile'
      - '.github/workflows/build-container.yml'
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

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

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          driver-opts: |
            image=moby/buildkit:latest
          buildkitd-flags: --debug

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # Extract version from git tag if available
      - name: Get version
        id: version
        run: |
          VERSION=${GITHUB_REF#refs/tags/}
          if [[ "$GITHUB_REF" == "refs/tags/"* ]]; then
            echo "version=${VERSION}" >> $GITHUB_OUTPUT
          else
            echo "version=${GITHUB_SHA::7}" >> $GITHUB_OUTPUT
          fi

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: |
            ghcr.io/${{ github.repository }}/aur-updater:latest
            ghcr.io/${{ github.repository }}/aur-updater:${{ github.sha }}
            ${{ github.ref_type == 'tag' && format('ghcr.io/{0}/aur-updater:{1}', github.repository, github.ref_name) || '' }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          platforms: linux/amd64
          provenance: false
          labels: |
            org.opencontainers.image.source=${{ github.server_url }}/${{ github.repository }}
            org.opencontainers.image.revision=${{ github.sha }}
            org.opencontainers.image.version=${{ steps.version.outputs.version }}