name: Backend CI

on:
  pull_request:
    paths:
      - 'backend/**'
      - 'requirements.txt'
      - 'Dockerfile'
      - 'docker-compose.yml'
  push:
    branches: [main]
    paths:
      - 'backend/**'
      - 'requirements.txt'

permissions:
  contents: read

jobs:
  test:
    name: Backend Tests
    runs-on: ubuntu-latest

    services:
      postgres:
        image: postgres:15
        env:
          POSTGRES_PASSWORD: postgres
          POSTGRES_DB: blackroad_test
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 5432:5432

      redis:
        image: redis:7-alpine
        options: >-
          --health-cmd "redis-cli ping"
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          - 6379:6379

    steps:
      - uses: actions/checkout@v4

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

      - name: Install dependencies
        run: |
          cd backend
          pip install -r requirements.txt

      - name: Lint with flake8
        run: |
          cd backend
          pip install flake8
          flake8 app --count --select=E9,F63,F7,F82 --show-source --statistics
          flake8 app --count --max-complexity=10 --max-line-length=127 --statistics

      - name: Type check with mypy
        continue-on-error: true
        run: |
          cd backend
          pip install mypy
          mypy app --ignore-missing-imports

      - name: Run tests with pytest
        env:
          DATABASE_URL: postgresql://postgres:postgres@localhost:5432/blackroad_test
          REDIS_URL: redis://localhost:6379/0
          SECRET_KEY: test-secret-key-for-ci
          TESTING: true
        run: |
          cd backend
          pytest -v --cov=app --cov-report=xml --cov-report=term

      - name: Upload coverage
        uses: codecov/codecov-action@v3
        with:
          file: ./backend/coverage.xml
          flags: backend
          fail_ci_if_error: false