name: Build and Push AppView Image

# Trigger only for tags starting with 'appview/v'
on:
  push:
    branches:
      - main

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

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Extract Version from Tag
        id: extract_version
        run: |
          # GITHUB_REF_NAME is like 'refs/tags/appview/v1.0.0'
          # Or directly github.ref_name which is 'appview/v1.0.0'
          TAG_NAME="${{ github.ref_name }}"
          # Remove the known service prefix 'appview/'
          VERSION=$(echo "$TAG_NAME" | sed 's#^appview/##')
          echo "Extracted Version: $VERSION"
          if [ -z "$VERSION" ]; then
             echo "::error::Could not extract version from tag '$TAG_NAME'."
             exit 1
          fi
          echo "version=${VERSION}" >> $GITHUB_OUTPUT
          echo "ghcr_image_name=ghcr.io/${{ github.repository_owner }}/appview" >> $GITHUB_OUTPUT

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

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Build and push Docker image for AppView
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./Dockerfile
          push: true
          platforms: linux/amd64,linux/arm64
          cache-from: type=gha
          cache-to: type=gha,mode=max
          build-args: |
            COMMIT_SHA=${{ github.sha }}
          tags: |
            ${{ steps.extract_version.outputs.ghcr_image_name }}:${{ steps.extract_version.outputs.version }}
            ${{ steps.extract_version.outputs.ghcr_image_name }}:latest
            ${{ steps.extract_version.outputs.ghcr_image_name }}:${{ github.sha }}
          labels: |
            org.opencontainers.image.source=${{ github.server_url }}/${{ github.repository }}
            org.opencontainers.image.created=${{ github.event.head_commit.timestamp }}
            org.opencontainers.image.revision=${{ github.sha }}
            org.opencontainers.image.version=${{ steps.extract_version.outputs.version }}
            org.opencontainers.image.title=appview

      - name: Image Push Summary
        run: |
          echo "Successfully pushed appview:"
          echo "Image: ${{ steps.extract_version.outputs.ghcr_image_name }}"
          echo "Tags: ${{ steps.extract_version.outputs.version }}, latest"