name: Release

on:
  push:
    tags:
      - "v*"

env:
  REGISTRY: gitea-http.taildb3494.ts.net
  IMAGE_NAME: will/unitforge

jobs:
  validate-release:
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.extract.outputs.version }}
      is_prerelease: ${{ steps.extract.outputs.is_prerelease }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Extract version info
        id: extract
        run: |
          VERSION=${GITHUB_REF#refs/tags/}
          echo "version=$VERSION" >> $GITHUB_OUTPUT

          # Check if this is a pre-release (contains alpha, beta, rc, etc.)
          if [[ $VERSION =~ (alpha|beta|rc|pre) ]]; then
            echo "is_prerelease=true" >> $GITHUB_OUTPUT
          else
            echo "is_prerelease=false" >> $GITHUB_OUTPUT
          fi

          echo "Releasing version: $VERSION"
          echo "Is pre-release: ${{ steps.extract.outputs.is_prerelease }}"

      - name: Validate version format
        run: |
          if [[ ! "${{ steps.extract.outputs.version }}" =~ ^v[0-9]+\.[0-9]+\.[0-9]+.*$ ]]; then
            echo "Invalid version format: ${{ steps.extract.outputs.version }}"
            echo "Version must follow semantic versioning (e.g., v1.0.0, v1.0.0-alpha.1)"
            exit 1
          fi

  test-and-build:
    needs: validate-release
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install uv
        uses: astral-sh/setup-uv@v3
        with:
          version: "latest"

      - name: Set up Python
        run: uv python install 3.11

      - name: Install dependencies
        run: |
          uv venv
          uv pip install -e ".[dev]"

      - name: Run full test suite
        run: |
          source .venv/bin/activate
          make check-all

      - name: Build Python package
        run: |
          source .venv/bin/activate
          make build

      - name: Upload build artifacts
        uses: actions/upload-artifact@v3
        with:
          name: python-package
          path: dist/

  build-container:
    needs: [validate-release, test-and-build]
    runs-on: ubuntu-latest
    outputs:
      image-digest: ${{ steps.build.outputs.digest }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          driver-opts: network=host

      - name: Log in to Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ secrets.CONTAINER_REGISTRY_USERNAME }}
          password: ${{ secrets.CONTAINER_REGISTRY_PASSWORD }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}},enable=${{ !needs.validate-release.outputs.is_prerelease }}
            type=raw,value=latest,enable=${{ !needs.validate-release.outputs.is_prerelease }}

      - name: Verify vendor assets
        run: |
          assets=(
            "frontend/static/vendor/bootstrap/css/bootstrap.min.css"
            "frontend/static/vendor/bootstrap/js/bootstrap.bundle.min.js"
            "frontend/static/vendor/fontawesome/css/all.min.css"
            "frontend/static/vendor/fontawesome/webfonts/fa-solid-900.woff2"
            "frontend/static/img/osi-logo.svg"
          )

          for asset in "${assets[@]}"; do
            if [ ! -f "$asset" ]; then
              echo "Error: Missing required asset: $asset"
              exit 1
            fi
          done
          echo "All vendor assets verified"

      - name: Build and push release image
        id: build
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          build-args: |
            BUILDKIT_INLINE_CACHE=1
            VERSION=${{ needs.validate-release.outputs.version }}

  security-scan:
    needs: [validate-release, build-container]
    runs-on: ubuntu-latest
    steps:
      - name: Run Trivy vulnerability scanner
        uses: aquasecurity/trivy-action@master
        with:
          image-ref: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ needs.validate-release.outputs.version }}
          format: "sarif"
          output: "trivy-results.sarif"
          severity: "CRITICAL,HIGH"

      - name: Upload Trivy scan results
        uses: github/codeql-action/upload-sarif@v2
        if: always()
        with:
          sarif_file: "trivy-results.sarif"

      - name: Fail on critical vulnerabilities
        uses: aquasecurity/trivy-action@master
        with:
          image-ref: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ needs.validate-release.outputs.version }}
          format: "table"
          exit-code: 1
          severity: "CRITICAL"

  create-release:
    needs: [validate-release, test-and-build, build-container, security-scan]
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Download build artifacts
        uses: actions/download-artifact@v3
        with:
          name: python-package
          path: dist/

      - name: Generate changelog
        id: changelog
        run: |
          # Extract changelog for this version
          VERSION=${{ needs.validate-release.outputs.version }}

          # Create release notes
          cat > release-notes.md << EOF
          ## UnitForge $VERSION

          ### Container Images
          - **Multi-arch support**: linux/amd64, linux/arm64
          - **Registry**: \`${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:$VERSION\`
          - **Digest**: \`${{ needs.build-container.outputs.image-digest }}\`

          ### Installation

          #### Docker
          \`\`\`bash
          docker pull ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:$VERSION
          docker run -p 8000:8000 ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:$VERSION
          \`\`\`

          #### Python Package
          \`\`\`bash
          pip install unitforge==$VERSION
          \`\`\`

          ### Verification
          All container images are scanned for security vulnerabilities and signed for authenticity.

          EOF

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v1
        with:
          body_path: release-notes.md
          files: |
            dist/*
          prerelease: ${{ needs.validate-release.outputs.is_prerelease }}
          generate_release_notes: true
          tag_name: ${{ needs.validate-release.outputs.version }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  publish-package:
    needs: [validate-release, create-release]
    runs-on: ubuntu-latest
    if: ${{ !needs.validate-release.outputs.is_prerelease }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install uv
        uses: astral-sh/setup-uv@v3
        with:
          version: "latest"

      - name: Set up Python
        run: uv python install 3.11

      - name: Download build artifacts
        uses: actions/download-artifact@v3
        with:
          name: python-package
          path: dist/

      - name: Publish to PyPI
        run: |
          uv pip install twine
          twine upload dist/* --non-interactive
        env:
          TWINE_USERNAME: __token__
          TWINE_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}

  deploy-production:
    needs: [validate-release, create-release, security-scan]
    runs-on: ubuntu-latest
    if: ${{ !needs.validate-release.outputs.is_prerelease }}
    environment: production
    steps:
      - name: Deploy to production
        run: |
          echo "🚀 Deploying UnitForge ${{ needs.validate-release.outputs.version }} to production"
          echo "Image: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ needs.validate-release.outputs.version }}"

          # Add your production deployment commands here
          # Examples:
          # - Update Kubernetes manifests
          # - Update Helm charts
          # - Trigger deployment pipeline
          # - Update Docker Swarm services

          echo "✅ Production deployment completed"

  notify-release:
    needs: [validate-release, create-release, deploy-production]
    runs-on: ubuntu-latest
    if: always()
    steps:
      - name: Notify release completion
        run: |
          if [[ "${{ needs.deploy-production.result }}" == "success" ]]; then
            echo "🎉 UnitForge ${{ needs.validate-release.outputs.version }} has been successfully released!"
            echo "📦 Container image: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ needs.validate-release.outputs.version }}"
            echo "🌐 Production deployment: ✅ Complete"
          else
            echo "⚠️  UnitForge ${{ needs.validate-release.outputs.version }} release completed with issues"
            echo "📦 Container image: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ needs.validate-release.outputs.version }}"
            echo "🌐 Production deployment: ❌ Failed or skipped"
          fi

          # Add notification logic here (Slack, Discord, email, etc.)