name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

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

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "20"
          cache: "npm"
          cache-dependency-path: frontend/package-lock.json

      - name: Install Frontend Dependencies
        run: cd frontend && npm ci

      - name: Lint Frontend
        run: cd frontend && npm run lint || echo "Linting not configured yet"

      - name: Build Frontend
        run: cd frontend && npm run build

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: "1.22"
          cache: true

      - name: Validate Playlist Normalization
        run: cd backend/playout && go run src/playlist.go playlist.txt || echo "Validation script not yet complete"

      - name: Build Docker Images
        run: docker compose build --no-cache

      - name: Run Tests
        run: echo "Tests will be added in future CI steps (per TODO.md)"

  docker:
    needs: test
    runs-on: [ubuntu-latest]
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

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

      - name: Log in to Gitea Container Registry
        uses: docker/login-action@v3
        with:
          registry: git.allucanget.biz
          username: ${{ secrets.CI_REGISTRY_USER }}
          password: ${{ secrets.CI_REGISTRY_TOKEN }}

      - name: Extract metadata for Playout
        id: meta-playout
        uses: docker/metadata-action@v5
        with:
          images: git.allucanget.biz/zwitschi/linearvoid/playout
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push Playout image
        uses: docker/build-push-action@v5
        with:
          context: ./backend/playout
          push: true
          tags: ${{ steps.meta-playout.outputs.tags }}
          labels: ${{ steps.meta-playout.outputs.labels }}

      - name: Extract metadata for Chat
        id: meta-chat
        uses: docker/metadata-action@v5
        with:
          images: git.allucanget.biz/zwitschi/linearvoid/chat
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push Chat image
        uses: docker/build-push-action@v5
        with:
          context: ./backend/chat
          push: true
          tags: ${{ steps.meta-chat.outputs.tags }}
          labels: ${{ steps.meta-chat.outputs.labels }}

      - name: Extract metadata for Nginx
        id: meta-nginx
        uses: docker/metadata-action@v5
        with:
          images: git.allucanget.biz/zwitschi/linearvoid/nginx
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push Nginx image
        run: |
          TAGS="${{ steps.meta-nginx.outputs.tags }}"
          LABELS="${{ steps.meta-nginx.outputs.labels }}"
          TAG_ARGS=""
          for tag in $TAGS; do
            TAG_ARGS="$TAG_ARGS --tag $tag"
          done
          LABEL_ARGS=""
          while IFS= read -r label; do
            [ -n "$label" ] && LABEL_ARGS="$LABEL_ARGS --label $label"
          done <<< "$LABELS"
          docker buildx build \
            --push \
            --file infrastructure/nginx/Dockerfile \
            $TAG_ARGS \
            $LABEL_ARGS \
            .

  release:
    needs: docker
    runs-on: [ubuntu-latest]
    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Create Release
        uses: softprops/action-gh-release@v1
        with:
          generate_release_notes: true
        env:
          GITHUB_TOKEN: ${{ secrets.CI_REGISTRY_TOKEN }}