name: Run Tests

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

jobs:
  backend-tests:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python-version: ['3.11', '3.12']

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

      - name: Install dependencies
        working-directory: ./backend
        run: |
          python -m pip install --upgrade pip
          pip install -r requirements.txt
          pip install -r requirements-dev.txt

      - name: Run pytest with coverage
        working-directory: ./backend
        run: |
          pytest --cov=. --cov-report=xml --cov-report=term-missing -v

      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v4
        with:
          file: ./backend/coverage.xml
          flags: backend
          name: backend-coverage
          fail_ci_if_error: false

      - name: Check test coverage threshold
        working-directory: ./backend
        run: |
          coverage report --fail-under=70

  frontend-tests:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

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

      - name: Install dependencies
        working-directory: ./frontend
        run: npm ci

      - name: Run linting
        working-directory: ./frontend
        run: npm run lint || echo "Linting not configured yet"

      - name: Build frontend
        working-directory: ./frontend
        run: npm run build

  docker-build-test:
    runs-on: ubuntu-latest
    needs: [backend-tests, frontend-tests]

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

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

      - name: Build backend Docker image
        uses: docker/build-push-action@v5
        with:
          context: ./backend
          file: ./backend/Dockerfile
          push: false
          tags: backend:test
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Build frontend Docker image
        uses: docker/build-push-action@v5
        with:
          context: ./frontend
          file: ./frontend/Dockerfile
          push: false
          tags: frontend:test
          cache-from: type=gha
          cache-to: type=gha,mode=max
          build-args: |
            NEXT_PUBLIC_API_URL=http://backend:5000