name: Frontend CI

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

jobs:
  lint-typecheck-build:
    name: Lint, Type-check & Build
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - 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: Type check
        working-directory: frontend
        run: npx tsc --noEmit

      - name: ESLint
        working-directory: frontend
        run: npx eslint .

      - name: Build
        working-directory: frontend
        env:
          NEXT_PUBLIC_API_URL: http://localhost:8080
        run: npm run build