ci.yml

name: CI

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

jobs:
  test:
    runs-on: ubuntu-latest

    strategy:
      matrix:
        python-version: ['3.10', '3.11', '3.12']

    steps:
      - uses: actions/checkout@v4

      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}

      - name: Cache pip dependencies
        uses: actions/cache@v4
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}
          restore-keys: |
            ${{ runner.os }}-pip-

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install -r requirements.txt

      - name: Run tests
        run: |
          python -m pytest tests/ -v --tb=short

      - name: Run tests with coverage
        if: matrix.python-version == '3.11'
        run: |
          python -m pytest tests/ --cov=app --cov-report=xml --cov-report=term-missing

      - name: Upload coverage to Codecov
        if: matrix.python-version == '3.11'
        uses: codecov/codecov-action@v4
        with:
          files: ./coverage.xml
          fail_ci_if_error: false
        continue-on-error: true

  lint:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'

      - name: Check Python syntax
        run: |
          python -m py_compile app/main.py

  docker:
    runs-on: ubuntu-latest
    needs: [test]
    permissions:
      contents: read
      packages: write

    steps:
      - uses: actions/checkout@v4

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

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

      - name: Extract version from main.py
        id: version
        run: |
          VERSION=$(grep "^VERSION = " app/main.py | cut -d'"' -f2)
          echo "version=${VERSION}" >> $GITHUB_OUTPUT

      - name: Log in to GHCR
        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
          tags: |
            ghcr.io/${{ github.repository }}:${{ steps.version.outputs.version }}
            ghcr.io/${{ github.repository }}:latest
          cache-from: type=gha
          cache-to: type=gha,mode=max

  release:
    runs-on: ubuntu-latest
    needs: [test, lint, docker]
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
    permissions:
      contents: write

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Extract version from main.py
        id: version
        run: |
          VERSION=$(grep "^VERSION = " app/main.py | cut -d'"' -f2)
          RELEASE_TAG="v${VERSION}"
          echo "version=${VERSION}" >> $GITHUB_OUTPUT
          echo "release_tag=${RELEASE_TAG}" >> $GITHUB_OUTPUT

      - name: Check if tag already exists
        id: check_tag
        run: |
          if git rev-parse "${{ steps.version.outputs.release_tag }}" >/dev/null 2>&1; then
            echo "exists=true" >> $GITHUB_OUTPUT
          else
            echo "exists=false" >> $GITHUB_OUTPUT
          fi

      - name: Generate release notes
        id: release_notes
        if: steps.check_tag.outputs.exists == 'false'
        run: |
          LAST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
          if [ -z "$LAST_TAG" ]; then
            COMMITS=$(git log --oneline -10 | sed 's/^/- /')
          else
            COMMITS=$(git log ${LAST_TAG}..HEAD --oneline | sed 's/^/- /')
          fi

          cat > release_notes.md <<EOF
          ## Chrontainer ${{ steps.version.outputs.version }}

          **Build Date:** $(date -u +"%Y-%m-%d %H:%M:%S UTC")
          **Commit:** ${{ github.sha }}

          ### Recent Changes
          ${COMMITS}

          ### Installation

          \`\`\`bash
          # Using Docker Compose
          docker compose up -d

          # Or pull the image directly
          docker pull ghcr.io/${{ github.repository }}:${{ steps.version.outputs.version }}
          docker pull ghcr.io/${{ github.repository }}:latest
          \`\`\`

          ### Health Check
          After deployment, verify the application is running:
          \`\`\`bash
          curl http://localhost:5000/health
          curl http://localhost:5000/api/version
          \`\`\`
          EOF

      - name: Create GitHub Release
        if: steps.check_tag.outputs.exists == 'false'
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          gh release create "${{ steps.version.outputs.release_tag }}" \
            --title "Chrontainer ${{ steps.version.outputs.version }}" \
            --notes-file release_notes.md \
            --latest