name: QuantIQ CI/CD Pipeline

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

jobs:
  # Job 1: Validate Frontend Code quality, Type safety, and Build verification
  frontend-ci:
    name: Frontend Quality & Build Verification
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Code
        uses: actions/checkout@v4

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

      - name: Install Frontend Dependencies
        run: npm ci
        working-directory: frontend

      - name: Verify TypeScript Compilation & Linting
        run: npm run build
        working-directory: frontend

  # Job 2: Validate Backend Linting, Format Checks, and Model Inferences
  backend-ci:
    name: Backend Quality & Ruff Validation
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Code
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.12'

      - name: Install uv Package Manager
        run: curl -LsSf https://astral.sh/uv/install.sh | sh

      - name: Install Dependencies via uv
        run: uv sync --frozen

      - name: Run Ruff Linter
        run: uv run ruff check .
        continue-on-error: true # Warning mode for initial transition

      - name: Verify Backend Entry Point builds
        run: uv run python -c "from backend.app import main"
        env:
          DATABASE_URL: "postgresql+asyncpg://mock:mock@localhost:5432/mock"
          REDIS_URL: "redis://localhost:6379/0"
          GEMINI_API_KEY: "mock_api_key"