name: Build Game PDFs

on:
  workflow_dispatch:
    inputs:
      commit_pdfs:
        description: 'Commit PDFs back to repository'
        required: false
        default: 'true'
        type: boolean
  push:
    branches: [main]
    paths:
      - 'all_hostable_games_union.csv'
      - 'scripts/build_pdfs.py'
      - 'scripts/clean.py'
      - 'scripts/quality_control.py'
      - 'templates/game_guide.md'
      - '.github/workflows/build-game-pdfs.yml'

jobs:
  build-pdfs:
    runs-on: ubuntu-latest
    
    steps:
    - name: Checkout repository
      uses: actions/checkout@v4
      
    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: '3.12'
        
    - name: Install system dependencies
      run: |
        sudo apt-get update
        sudo apt-get install -y pandoc wkhtmltopdf
        
    - name: Install Python dependencies
      run: |
        pip install pandas PyYAML
        
    - name: Clean previous output
      run: |
        python3 scripts/clean.py
        
    - name: Generate all game guides and PDFs
      run: |
        python3 scripts/build_pdfs.py
        
    - name: Run quality control validation
      run: |
        python3 scripts/quality_control.py
        
    - name: Generate statistics
      run: |
        echo "## Build Statistics" >> $GITHUB_STEP_SUMMARY
        echo "- **Markdown files:** $(find out/md -name '*.md' | wc -l)" >> $GITHUB_STEP_SUMMARY
        echo "- **PDF files:** $(find out/pdfs -name '*.pdf' | wc -l)" >> $GITHUB_STEP_SUMMARY
        echo "- **Total PDF size:** $(du -sh out/pdfs/ | cut -f1)" >> $GITHUB_STEP_SUMMARY
        echo "- **Generated:** $(date)" >> $GITHUB_STEP_SUMMARY
        
        # Check for quality issues
        if [ -f out/pdfs/quality_report.json ]; then
          ERRORS=$(jq -r '.total_errors' out/pdfs/quality_report.json)
          WARNINGS=$(jq -r '.total_warnings' out/pdfs/quality_report.json)
          echo "- **Quality:** $ERRORS errors, $WARNINGS warnings" >> $GITHUB_STEP_SUMMARY
          
          if [ "$ERRORS" -gt "0" ]; then
            echo "❌ Quality validation failed with $ERRORS errors" >> $GITHUB_STEP_SUMMARY
            exit 1
          else
            echo "✅ Quality validation passed" >> $GITHUB_STEP_SUMMARY
          fi
        fi
        
    - name: Upload PDF artifacts
      uses: actions/upload-artifact@v4
      with:
        name: game-server-guides-pdfs
        path: out/pdfs/
        retention-days: 30
        
    - name: Upload Markdown artifacts
      uses: actions/upload-artifact@v4
      with:
        name: game-server-guides-markdown
        path: out/md/
        retention-days: 30
        
    - name: Commit PDFs to repository
      if: github.event_name == 'workflow_dispatch' && github.event.inputs.commit_pdfs == 'true' || github.event_name == 'push'
      run: |
        # Configure git
        git config --local user.email "action@github.com"
        git config --local user.name "GitHub Action"
        
        # Create docs/pdfs directory if it doesn't exist
        mkdir -p docs/pdfs
        
        # Copy PDFs to docs directory
        cp out/pdfs/*.pdf docs/pdfs/ 2>/dev/null || true
        cp out/pdfs/manifest.json docs/pdfs/ 2>/dev/null || true
        cp out/pdfs/quality_report.json docs/pdfs/ 2>/dev/null || true
        
        # Add and commit changes
        git add docs/pdfs/
        
        # Check if there are changes to commit
        if ! git diff --staged --quiet; then
          GAME_COUNT=$(find out/pdfs -name '*.pdf' | wc -l)
          git commit -m "docs: regenerate exhaustive self-hosting PDFs for $GAME_COUNT games
          
          - Generated $(date)
          - Total PDFs: $GAME_COUNT
          - Quality validated: $(jq -r '.total_errors' out/pdfs/quality_report.json 2>/dev/null || echo '0') errors
          - All guides are hosting-agnostic and self-hosting focused"
          
          git push
          echo "✅ PDFs committed to repository" >> $GITHUB_STEP_SUMMARY
        else
          echo "ℹ️ No changes to commit" >> $GITHUB_STEP_SUMMARY
        fi