name: Publish Release

on:
  pull_request:
    types: [closed]
    branches: [main]

jobs:
  # Only run if the PR was merged AND it came from a release branch
  publish:
    if: github.event.pull_request.merged == true && startsWith(github.head_ref, 'release/v')
    runs-on: ubuntu-latest
    permissions:
      contents: write
    
    outputs:
      version: ${{ steps.get_version.outputs.version }}

    steps:
      - name: Checkout code
        uses: actions/checkout@v6

      - name: Set Version Output
        id: get_version
        run: |
          # Extract v0.12.0 from release/v0.12.0
          VERSION_TAG=${GITHUB_HEAD_REF#release/}
          echo "version=$VERSION_TAG" >> $GITHUB_OUTPUT
          
          # Git Tagging
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git tag $VERSION_TAG
          git push origin $VERSION_TAG

  docker-build:
    needs: publish
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
      - name: Setup Go
        uses: actions/setup-go@v6
        with:
          go-version: '1.25'

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: '22'

      - name: Login to Docker Hub
        uses: docker/login-action@v4
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Build Docker Images
        env:
          VERSION: ${{ needs.publish.outputs.version }}
        run: |
          docker buildx build db/ --no-cache -t flomp/wanderer-db:$VERSION -t flomp/wanderer-db:latest --platform=linux/amd64,linux/arm64 --push
          npm --prefix web ci
          npm --prefix web run openapi:generate
          docker buildx build web/ --no-cache -t flomp/wanderer-web:$VERSION -t flomp/wanderer-web:latest --platform=linux/amd64,linux/arm64 --push
          npm --prefix docs ci
          npm --prefix docs run build
          docker buildx build ./docs --no-cache -t flomp/wanderer-docs:$VERSION -t flomp/wanderer-docs:latest --platform=linux/amd64,linux/arm64 --push

  release:
    needs: [publish, docker-build]
    runs-on: ubuntu-latest
    permissions:
      contents: write
    env:
      TINYGO_VERSION: '0.39.0'
    steps:
      - uses: actions/checkout@v6

      - name: Setup Go
        uses: actions/setup-go@v6
        with:
          go-version: '1.25'

      - name: Install TinyGo
        run: |
          curl -fsSL "https://github.com/tinygo-org/tinygo/releases/download/v${TINYGO_VERSION}/tinygo_${TINYGO_VERSION}_amd64.deb" -o /tmp/tinygo.deb
          sudo dpkg -i /tmp/tinygo.deb
          tinygo version

      - name: Build Plugin Release Assets
        run: make plugins-package
      
      - name: Extract release notes
        id: changelog
        run: |
          VERSION="${{ needs.publish.outputs.version }}"
          # Clean 'v' from v0.12.0 for awk if your changelog uses 0.12.0
          RAW_VER=${VERSION#v}
          CHANGELOG=$(awk -v ver="$RAW_VER" 'BEGIN {in_section=0} /^# / {if (in_section) exit; if ($2 == ver) in_section=1} in_section {print}' CHANGELOG.md)
          echo 'changelog<<EOF' >> $GITHUB_OUTPUT
          printf "$CHANGELOG" >> $GITHUB_OUTPUT
          echo 'EOF' >> $GITHUB_OUTPUT

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v3
        with:
          tag_name: ${{ needs.publish.outputs.version }}
          body: ${{ steps.changelog.outputs.changelog }}
          files: |
            plugin_dist/*.tar.gz
            plugin_dist/SHA256SUMS
          draft: false
          prerelease: false