name: CI

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

jobs:
  frontend:
    name: Frontend — Lint, Type-check & Build
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: frontend

    steps:
      - 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
        run: npm ci

      - name: Lint
        run: npm run lint

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

      - name: Build
        run: npm run build

  backend:
    name: Backend — Lint, Type-check & Build
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: backend

    steps:
      - uses: actions/checkout@v4

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

      - name: Install dependencies
        run: npm ci

      - name: Lint
        run: npm run lint

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

      - name: Build
        run: npm run build

  audit:
    name: Security Audit
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Audit frontend dependencies
        run: npm audit --audit-level=high
        working-directory: frontend

      - name: Audit backend dependencies
        run: npm audit --audit-level=high
        working-directory: backend