name: CI/CD

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

jobs:
  test-and-build:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'npm'

      - name: Install dependencies
        run: npm ci

      - name: Run tests
        run: npm test

      - name: Build static export
        run: npm run build

      - name: Upload build artifacts
        if: github.ref == 'refs/heads/main' && github.event_name == 'push'
        uses: actions/upload-pages-artifact@v3
        with:
          path: out/

  # Deploy to GitHub Pages (enable in repo Settings > Pages > Source: GitHub Actions)
  deploy:
    if: github.ref == 'refs/heads/main' && github.event_name == 'push'
    needs: test-and-build
    runs-on: ubuntu-latest

    permissions:
      pages: write
      id-token: write

    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}

    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4