name: Build Astro Project

on:
  push:
    branches: [ prod ]
  pull_request:
    branches: [ prod ]
    types: [ closed ]

jobs:
  build:
    # Only run on merged PRs or direct pushes to prod
    if: github.event_name == 'push' || (github.event.pull_request.merged == true)
    
    runs-on: [self-hosted, web]
    
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      
    - name: Setup Node.js
      uses: actions/setup-node@v4
      with:
        node-version: '18'
        cache: 'npm'
        
    - name: Install dependencies
      run: npm ci
      
    - name: Build Astro project
      run: npm run build
      
    - name: Backup and deploy to web server
      run: |
        # Create backup of current site
        TIMESTAMP=$(date +%s)
        cp -r /var/www/site /tmp/site_$TIMESTAMP
        echo "✅ Current site backed up to /tmp/site_$TIMESTAMP"
        
        # Deploy new build
        cp -r dist/* /var/www/site/
        echo "✅ Build deployed successfully to /var/www/site"