name: Build and Deploy to Production

# Configuration
env:
  SOURCE_BRANCH: v2  # Change this to your desired trigger branch
  PRODUCTION_BRANCH: production  # Change this to your desired output branch
  NODE_VERSION: "20"  # Specify Node version for consistency

on:
  push:
    branches:
      - v2  # Update this if you change SOURCE_BRANCH above

jobs:
  build-and-deploy:
    runs-on: ubuntu-latest
    permissions:
      contents: write  # Required to push to the production branch

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0  # Full history for better git operations

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: npm

      - name: Install dependencies
        run: npm ci

      - name: Build project
        run: npm run build

      - name: Prepare for deployment
        run: |
          # Remove source files, keep only dist
          rm -rf src public package.json node_modules vite.config.js svelte.config.js tailwind.config.js README.md
          # Move build output to root
          mv dist/* .
          rmdir dist

      - name: Deploy to production branch
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add -A
          
          # Check if there are changes
          if git diff --quiet --cached; then
            echo "No changes to commit"
          else
            git commit -m "Build from ${{ github.sha }}"
            git push origin HEAD:${{ env.PRODUCTION_BRANCH }} --force
          fi