name: CI

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

concurrency:
  group: ci-${{ github.ref }}
  cancel-in-progress: true

jobs:
  # ============================================================
  # Backend: lint + test
  # ============================================================
  backend:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: backend

    services:
      mysql:
        image: mysql:8.0
        env:
          MYSQL_ROOT_PASSWORD: test_password
          MYSQL_DATABASE: aiagent_test
        ports:
          - 3306:3306
        options: >-
          --health-cmd="mysqladmin ping -h localhost"
          --health-interval=10s
          --health-timeout=5s
          --health-retries=5

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

    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-python@v5
        with:
          python-version: "3.12"
          cache: pip
          cache-dependency-path: backend/requirements.txt

      - name: Install Python dependencies
        run: |
          pip install --upgrade pip
          pip install -r requirements.txt
          pip install pytest pytest-cov pytest-asyncio httpx

      - name: Lint with flake8
        run: |
          pip install flake8
          flake8 app/ --count --select=E9,F63,F7,F82 --show-source --statistics

      - name: Run backend tests
        env:
          DATABASE_URL: mysql+pymysql://root:test_password@127.0.0.1:3306/aiagent_test?charset=utf8mb4
          REDIS_URL: redis://127.0.0.1:6379/0
          JWT_SECRET_KEY: ci-test-jwt-secret-not-for-production
          SECRET_KEY: ci-test-secret-not-for-production
          ENVIRONMENT: ci
          DEBUG: "false"
        run: |
          python -m pytest tests/ \
            -q --tb=short \
            --cov=app \
            --cov-report=xml \
            --cov-report=term-missing \
            --timeout=120 \
            -p no:warnings \
            --ignore=tests/test_workflows.py \
            --ignore=tests/test_auth.py \
            --ignore=tests/test_tools_api.py

      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v5
        if: github.event_name == 'pull_request'
        with:
          file: backend/coverage.xml
          flags: backend
          fail_ci_if_error: false

  # ============================================================
  # Frontend: lint + type-check + build
  # ============================================================
  frontend:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: frontend

    steps:
      - uses: actions/checkout@v4

      - uses: pnpm/action-setup@v4
        with:
          version: 8

      - uses: actions/setup-node@v4
        with:
          node-version: 20
          cache: pnpm
          cache-dependency-path: frontend/pnpm-lock.yaml

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Type check
        run: pnpm vue-tsc --noEmit || true

      - name: Lint
        run: pnpm lint || true

      - name: Build frontend
        run: pnpm build

  # ============================================================
  # Docker: verify build
  # ============================================================
  docker-build:
    runs-on: ubuntu-latest
    needs: [backend, frontend]
    steps:
      - uses: actions/checkout@v4

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

      - name: Build backend image
        uses: docker/build-push-action@v6
        with:
          context: ./backend
          push: false
          load: true
          tags: aiagent-backend:ci-test
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Build frontend image
        uses: docker/build-push-action@v6
        with:
          context: ./frontend
          push: false
          load: true
          tags: aiagent-frontend:ci-test
          cache-from: type=gha
          cache-to: type=gha,mode=max