name: BankBot AI — CI

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

jobs:
  # ─── Backend ────────────────────────────────────────────────────────────────
  backend:
    name: Backend — Lint & Import Check
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: backend

    steps:
      - uses: actions/checkout@v4

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

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

      - name: Verify all routers import cleanly
        env:
          USE_SQLITE: "true"
        run: |
          python -c "
          from app.main import app
          routes = [r.path for r in app.routes if hasattr(r,'path')]
          print(f'Routes registered: {len(routes)}')
          assert len(routes) >= 30, f'Expected 30+ routes, got {len(routes)}'
          print('All routers import OK')
          "

      - name: Verify demo seed script imports
        env:
          USE_SQLITE: "true"
        run: python -c "import app.scripts.seed_demo; print('Seed script OK')"

  # ─── Frontend ───────────────────────────────────────────────────────────────
  frontend:
    name: Frontend — Build & Type Check
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: frontend

    steps:
      - uses: actions/checkout@v4

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

      - name: Install dependencies
        run: npm ci --legacy-peer-deps

      - name: Type check
        run: npx tsc --noEmit

      - name: Lint
        run: npm run lint

      - name: Production build
        env:
          NEXT_PUBLIC_API_URL: http://localhost:8000
        run: npm run build

      - name: Verify build output
        run: |
          test -d .next/standalone && echo "Standalone build OK" || echo "No standalone (OK for non-Docker)"
          test -d .next/static && echo "Static assets OK"

  # ─── Docker ─────────────────────────────────────────────────────────────────
  docker:
    name: Docker — Build Check
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main'

    steps:
      - uses: actions/checkout@v4

      - name: Build backend image
        run: docker build -t bankbot-backend:ci ./backend

      - name: Build frontend image
        run: |
          docker build \
            --build-arg NEXT_PUBLIC_API_URL=http://localhost:8000 \
            -t bankbot-frontend:ci \
            ./frontend

      - name: Smoke test backend container
        run: |
          docker run -d --name backend-test \
            -e USE_SQLITE=true \
            -e JWT_SECRET_KEY=ci-test-secret \
            -p 8000:8000 \
            bankbot-backend:ci
          sleep 10
          curl -f http://localhost:8000/health || exit 1
          curl -f http://localhost:8000/api/status || exit 1
          echo "Backend smoke test passed"
          docker stop backend-test