name: CI - Lint and Build

on:
  push:
    branches:
      - main
      - develop
  pull_request:
    branches:
      - main

jobs:
  lint-backend:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

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

      - name: Install backend dependencies
        run: |
          cd backend
          npm install

      - name: Run ESLint (backend)
        run: |
          cd backend
          npm run lint || true

      - name: Check formatting with Prettier
        run: |
          cd backend
          npx prettier --check "src/**/*.js" || true

  lint-frontend:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

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

      - name: Install frontend dependencies
        run: |
          cd frontend
          npm install

      - name: Run ESLint (frontend)
        run: |
          cd frontend
          npm run lint || true

  build-frontend:
    runs-on: ubuntu-latest
    needs: lint-frontend
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

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

      - name: Install frontend dependencies
        run: |
          cd frontend
          npm install

      - name: Build frontend
        run: |
          cd frontend
          npm run build
        env:
          VITE_API_URL: http://localhost/api
          VITE_WS_URL: http://localhost

  docker-build-test:
    runs-on: ubuntu-latest
    needs: [lint-backend, lint-frontend]
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

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

      - name: Build backend image (test)
        uses: docker/build-push-action@v5
        with:
          context: ./backend
          push: false
          tags: trenes-backend:test

      - name: Build frontend image (test)
        uses: docker/build-push-action@v5
        with:
          context: ./frontend
          push: false
          build-args: |
            VITE_API_URL=http://localhost/api
            VITE_WS_URL=http://localhost
          tags: trenes-frontend:test