name: Helm Chart Release

on:
  push:
    tags:
      - 'v*.*.*'  # Trigger on version tags like v1.0.0
  workflow_dispatch:
    inputs:
      version:
        description: 'Chart version to release (e.g., 1.0.1)'
        required: true
        type: string

jobs:
  release-helm:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Install Helm
        uses: azure/setup-helm@v3
        with:
          version: 'latest'

      - name: Determine version
        id: version
        run: |
          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            VERSION="${{ github.event.inputs.version }}"
          else
            # Extract version from tag (remove 'v' prefix)
            VERSION=${GITHUB_REF#refs/tags/v}
          fi
          echo "VERSION=${VERSION}" >> $GITHUB_OUTPUT
          echo "📌 Chart version: ${VERSION}"

      - name: Update Chart version
        run: |
          # Update Chart.yaml with the new version
          sed -i "s/^version:.*/version: ${{ steps.version.outputs.VERSION }}/" helm/api7ee/Chart.yaml

          # Update appVersion to match
          sed -i "s/^appVersion:.*/appVersion: \"${{ steps.version.outputs.VERSION }}\"/" helm/api7ee/Chart.yaml

          # Update image tags in values.yaml to use this version
          sed -i "s|tag: \"main\"|tag: \"v${{ steps.version.outputs.VERSION }}\"|g" helm/api7ee/values.yaml

          # Update registry to Gitea URL
          sed -i "s|registry: gitea.server_url|registry: ${{ gitea.server_url }}|g" helm/api7ee/values.yaml

          echo "📝 Updated Chart.yaml and values.yaml with version ${{ steps.version.outputs.VERSION }}"

      - name: Lint Helm chart
        run: |
          helm lint helm/api7ee/

      - name: Package Helm chart
        run: |
          helm package helm/api7ee/ --version ${{ steps.version.outputs.VERSION }}
          echo "CHART_FILE=api7ee-${{ steps.version.outputs.VERSION }}.tgz" >> $GITHUB_ENV

          # Generate chart README with installation instructions
          cat > CHART_README.md << EOF
          # API7 Enterprise Edition Helm Chart v${{ steps.version.outputs.VERSION }}

          ## Installation

          \`\`\`bash
          # Add the Helm repository
          helm repo add api7ee https://${{ gitea.server_url }}/api/packages/${{ gitea.repository_owner }}/helm
          helm repo update

          # Install the chart
          helm install my-api7ee api7ee/api7ee --version ${{ steps.version.outputs.VERSION }}

          # Install with custom values
          helm install my-api7ee api7ee/api7ee --version ${{ steps.version.outputs.VERSION }} -f values.yaml
          \`\`\`

          ## Upgrade

          \`\`\`bash
          helm upgrade my-api7ee api7ee/api7ee --version ${{ steps.version.outputs.VERSION }}
          \`\`\`

          ## Docker Images

          This chart uses the following Docker images:
          - Web: \`${{ gitea.server_url }}/${{ gitea.repository }}/web:v${{ steps.version.outputs.VERSION }}\`
          - API: \`${{ gitea.server_url }}/${{ gitea.repository }}/api:v${{ steps.version.outputs.VERSION }}\`
          EOF

      - name: Push Helm chart to Gitea Package Registry
        run: |
          # Upload versioned Helm chart
          curl --fail-with-body \
            -H "Authorization: token ${{ secrets.PACKAGES_PUSH_TOKEN }}" \
            -X POST \
            -F "chart=@${CHART_FILE}" \
            https://${{ gitea.server_url }}/api/packages/${{ gitea.repository_owner }}/helm/api/charts

          echo "✅ Helm chart v${{ steps.version.outputs.VERSION }} pushed to Gitea Package Registry"

      - name: Create Release
        uses: softprops/action-gh-release@v1
        if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
        with:
          files: |
            ${{ env.CHART_FILE }}
            CHART_README.md
          generate_release_notes: true
          body: |
            ## Helm Chart Release v${{ steps.version.outputs.VERSION }}

            ### Installation
            ```bash
            helm repo add api7ee https://${{ gitea.server_url }}/api/packages/${{ gitea.repository_owner }}/helm
            helm repo update
            helm install my-api7ee api7ee/api7ee --version ${{ steps.version.outputs.VERSION }}
            ```

            ### Docker Images
            - Web: `${{ gitea.server_url }}/${{ gitea.repository }}/web:v${{ steps.version.outputs.VERSION }}`
            - API: `${{ gitea.server_url }}/${{ gitea.repository }}/api:v${{ steps.version.outputs.VERSION }}`

            ### Changes
            See the full changelog below.
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Summary
        run: |
          echo "## 🎉 Helm Chart Release Summary" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "- **Version:** v${{ steps.version.outputs.VERSION }}" >> $GITHUB_STEP_SUMMARY
          echo "- **Chart:** ${CHART_FILE}" >> $GITHUB_STEP_SUMMARY
          echo "- **Registry:** https://${{ gitea.server_url }}/api/packages/${{ gitea.repository_owner }}/helm" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### Installation Commands" >> $GITHUB_STEP_SUMMARY
          echo '```bash' >> $GITHUB_STEP_SUMMARY
          echo "helm repo add api7ee https://${{ gitea.server_url }}/api/packages/${{ gitea.repository_owner }}/helm" >> $GITHUB_STEP_SUMMARY
          echo "helm repo update" >> $GITHUB_STEP_SUMMARY
          echo "helm install my-api7ee api7ee/api7ee --version ${{ steps.version.outputs.VERSION }}" >> $GITHUB_STEP_SUMMARY
          echo '```' >> $GITHUB_STEP_SUMMARY