name: Docker Release

on:
  release:
    types: [published]
  push:
    tags:
      - "v[0-9]+.[0-9]+.[0-9]+"
      - "v[0-9]+.[0-9]+.[0-9]+-*"

# Cancel in-progress runs for the same tag
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  DOCKERHUB_REPO: spkane/freecad-mcp

jobs:
  release:
    name: Build and Push to Docker Hub
    runs-on: ubuntu-latest
    permissions:
      contents: read

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

      - name: Validate semantic version tag
        id: version
        run: |
          TAG="${GITHUB_REF#refs/tags/}"
          echo "tag=$TAG" >> $GITHUB_OUTPUT

          # Validate semantic versioning format (v1.2.3 or v1.2.3-prerelease)
          if [[ ! "$TAG" =~ ^v[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?$ ]]; then
              echo "ERROR: Tag '$TAG' does not follow semantic versioning (vX.Y.Z or vX.Y.Z-prerelease)"
              exit 1
          fi

          # Extract version without 'v' prefix
          VERSION="${TAG#v}"
          echo "version=$VERSION" >> $GITHUB_OUTPUT

          # Extract major.minor for additional tag
          MAJOR_MINOR=$(echo "$VERSION" | cut -d. -f1,2)
          echo "major_minor=$MAJOR_MINOR" >> $GITHUB_OUTPUT

          # Extract major for additional tag
          MAJOR=$(echo "$VERSION" | cut -d. -f1)
          echo "major=$MAJOR" >> $GITHUB_OUTPUT

          # Check if this is a prerelease
          if [[ "$TAG" =~ -[a-zA-Z0-9.]+ ]]; then
              echo "is_prerelease=true" >> $GITHUB_OUTPUT
          else
              echo "is_prerelease=false" >> $GITHUB_OUTPUT
          fi

          echo "Parsed version: $VERSION (major: $MAJOR, major.minor: $MAJOR_MINOR, prerelease: ${{ steps.version.outputs.is_prerelease }})"

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

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

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Extract metadata for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.DOCKERHUB_REPO }}
          tags: |
            # Full semantic version (v1.2.3 -> 1.2.3)
            type=semver,pattern={{version}}
            # Major.minor version (v1.2.3 -> 1.2)
            type=semver,pattern={{major}}.{{minor}}
            # Major version only (v1.2.3 -> 1) - only for stable releases
            type=semver,pattern={{major}},enable=${{ steps.version.outputs.is_prerelease == 'false' }}
            # Latest tag - only for stable releases
            type=raw,value=latest,enable=${{ steps.version.outputs.is_prerelease == 'false' }}
          labels: |
            org.opencontainers.image.title=FreeCAD MCP Server
            org.opencontainers.image.description=Model Context Protocol server for FreeCAD integration
            org.opencontainers.image.vendor=spkane
            org.opencontainers.image.version=${{ steps.version.outputs.version }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          provenance: true
          sbom: true

      - name: Test pushed image
        run: |
          # Pull and test the image
          docker pull ${{ env.DOCKERHUB_REPO }}:${{ steps.version.outputs.version }}

          # Test that the container starts and responds to MCP initialize
          echo '{"jsonrpc":"2.0","id":0,"method":"initialize","params":{"protocolVersion":"2024-11-05","capabilities":{},"clientInfo":{"name":"test","version":"1.0"}}}' | \
            timeout 30 docker run --rm -i \
              -e FREECAD_MODE=xmlrpc \
              ${{ env.DOCKERHUB_REPO }}:${{ steps.version.outputs.version }} 2>&1 | \
            grep -q '"result"' && echo "Container test passed" || echo "Container test completed"

      - name: Update Docker Hub description
        uses: peter-evans/dockerhub-description@v4
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
          repository: ${{ env.DOCKERHUB_REPO }}
          readme-filepath: ./README.md
          short-description: "MCP (Model Context Protocol) server for FreeCAD integration"
        continue-on-error: true

      - name: Generate release summary
        run: |
          echo "## Docker Release Summary" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "**Version:** ${{ steps.version.outputs.version }}" >> $GITHUB_STEP_SUMMARY
          echo "**Prerelease:** ${{ steps.version.outputs.is_prerelease }}" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### Published Tags" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
          echo "${{ steps.meta.outputs.tags }}" >> $GITHUB_STEP_SUMMARY
          echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### Pull Command" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "\`\`\`bash" >> $GITHUB_STEP_SUMMARY
          echo "docker pull ${{ env.DOCKERHUB_REPO }}:${{ steps.version.outputs.version }}" >> $GITHUB_STEP_SUMMARY
          echo "\`\`\`" >> $GITHUB_STEP_SUMMARY