name: Generate M3U Playlist with Auto-Cleanup

on:
  push:
    branches:
      - main
  workflow_dispatch:

jobs:
  build-and-cleanup:
    runs-on: ubuntu-22.04
    steps:
    - name: Checkout Repository
      uses: actions/checkout@v4

    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: '3.11'
    
    - name: Configure Git
      run: |
        git config --local user.email "actions@forgejo.plainrock127.xyz"
        git config --local user.name "IPTV Playlist Bot"
    
    - name: Pre-Cleanup Repository
      run: |
        echo "=== Pre-Cleanup Phase ==="
        
        # Remove Python cache thoroughly
        find . -type d -name "__pycache__" -exec rm -rf {} + 2>/dev/null || true
        find . -name "*.pyc" -delete 2>/dev/null || true
        find . -name "*.pyo" -delete 2>/dev/null || true
        
        # Remove temporary files
        find . -name "*_temp*" -type f -delete 2>/dev/null || true
        find . -name "*.tmp" -delete 2>/dev/null || true
        find . -name "*~" -delete 2>/dev/null || true
        find . -name "*.swp" -delete 2>/dev/null || true
        
        # Organize log files
        mkdir -p reports/logs reports/archive
        find . -maxdepth 1 -name "*.log" -exec mv {} reports/logs/ \; 2>/dev/null || true
        
        # Clean backup files older than 30 days
        find backups -name "*.txt" -type f -mtime +30 -delete 2>/dev/null || true
        
        # Compress old backups (older than 7 days)
        find backups -name "*.txt" -type f -mtime +7 -exec gzip {} \; 2>/dev/null || true
        
        echo "✅ Pre-cleanup completed"

    - name: Setup Directories
      run: |
        echo "=== Directory Setup ==="
        mkdir -p config backups reports/logs reports/archive templates
        
        # Create scripts/__init__.py if missing
        if [ ! -f scripts/__init__.py ]; then
          echo '# Scripts package' > scripts/__init__.py
        fi
        
        # Ensure proper directory structure
        echo "Directory structure verified"

    - name: Debug File Structure
      run: |
        echo "=== File Structure Debug ==="
        echo "Root files:"
        ls -la | head -15
        echo ""
        echo "Scripts directory:"
        ls -la scripts/ 2>/dev/null || echo "Scripts directory not found"
        echo ""
        echo "Import file status:"
        if [ -f bulk_import.m3u ]; then
          LINES=$(wc -l < bulk_import.m3u)
          SIZE=$(du -h bulk_import.m3u | cut -f1)
          echo "✅ bulk_import.m3u found: $LINES lines ($SIZE)"
          if [ "$LINES" -gt 2 ]; then
            echo "📥 Contains channels to process"
            echo "First few lines:"
            head -3 bulk_import.m3u
          else
            echo "📭 Empty (ready for import)"
          fi
        else
          echo "❌ bulk_import.m3u not found"
        fi

    - name: Run Playlist Generation
      run: |
        echo "=== Playlist Generation ==="
        
        # Check if generate_playlist.py exists
        if [ ! -f scripts/generate_playlist.py ]; then
          echo "❌ Error: scripts/generate_playlist.py not found"
          exit 1
        fi
        
        # Run the playlist generation
        echo "🚀 Starting playlist generation..."
        python scripts/generate_playlist.py
        
        echo "✅ Playlist generation completed"
        
    - name: Post-Generation Analysis
      run: |
        echo "=== Post-Generation Analysis ==="
        
        if [ -f playlist.m3u ]; then
          CHANNEL_COUNT=$(grep -c "^#EXTINF" playlist.m3u 2>/dev/null || echo "0")
          FILE_SIZE=$(du -h playlist.m3u | cut -f1)
          echo "✅ Generated playlist.m3u:"
          echo "   📺 Channels: $CHANNEL_COUNT"
          echo "   📁 Size: $FILE_SIZE"
          
          # Show top countries if available
          echo "   🌍 Top countries:"
          if grep -q 'group-title=' playlist.m3u; then
            grep 'group-title=' playlist.m3u | \
              sed 's/.*group-title="//; s/".*//' | \
              sort | uniq -c | sort -nr | head -5 | \
              while read count country; do
                echo "      $country: $count channels"
              done
          else
            echo "      No country grouping found"
          fi
        else
          echo "❌ playlist.m3u not generated"
          echo "Checking for errors..."
          if [ -f reports/logs/playlist_update.log ]; then
            echo "Last few log entries:"
            tail -10 reports/logs/playlist_update.log
          fi
        fi
        
        if [ -f channels.txt ]; then
          CHANNELS_SIZE=$(du -h channels.txt | cut -f1)
          CHANNELS_LINES=$(wc -l < channels.txt)
          echo "📋 channels.txt: $CHANNELS_SIZE ($CHANNELS_LINES lines)"
        else
          echo "📋 channels.txt: Not found"
        fi

    - name: Final Cleanup & Organization
      run: |
        echo "=== Final Organization ==="
        
        # Remove any remaining cache/temp files
        find . -type d -name "__pycache__" -exec rm -rf {} + 2>/dev/null || true
        find . -name "*.pyc" -delete 2>/dev/null || true
        find . -name "*.swp" -delete 2>/dev/null || true
        find . -name ".DS_Store" -delete 2>/dev/null || true
        find . -name "*~" -delete 2>/dev/null || true
        
        # Move any stray log files to reports/logs
        find . -maxdepth 1 -name "*.log" -exec mv {} reports/logs/ \; 2>/dev/null || true
        
        # Ensure bulk_import.m3u is clean for next use
        if [ -f bulk_import.m3u ]; then
          LINE_COUNT=$(wc -l < bulk_import.m3u)
          if [ "$LINE_COUNT" -gt 2 ]; then
            echo "🧹 Cleaning bulk_import.m3u for next import..."
            echo '#EXTM3U' > bulk_import.m3u
            echo '' >> bulk_import.m3u
            echo "✅ bulk_import.m3u cleared and ready"
          else
            echo "✅ bulk_import.m3u already clean"
          fi
        fi
        
        echo "✅ Final cleanup completed"

    - name: Repository Health Check
      run: |
        echo "=== Repository Health Check ==="
        
        # Calculate repository stats
        TOTAL_FILES=$(find . -type f | grep -v '.git' | wc -l)
        REPO_SIZE=$(du -sh . 2>/dev/null | cut -f1 || echo "unknown")
        
        echo "📊 Repository Statistics:"
        echo "   📁 Total files: $TOTAL_FILES"
        echo "   💾 Repository size: $REPO_SIZE"
        
        # Check for common issues
        CACHE_DIRS=$(find . -type d -name "__pycache__" | wc -l)
        TEMP_FILES=$(find . -name "*.tmp" -o -name "*_temp*" | wc -l)
        LOG_FILES_ROOT=$(find . -maxdepth 1 -name "*.log" | wc -l)
        
        echo "🔍 Cleanliness Check:"
        echo "   🐍 Python cache dirs: $CACHE_DIRS"
        echo "   🗑️  Temporary files: $TEMP_FILES"
        echo "   📋 Root log files: $LOG_FILES_ROOT"
        
        if [ "$CACHE_DIRS" -eq 0 ] && [ "$TEMP_FILES" -eq 0 ] && [ "$LOG_FILES_ROOT" -eq 0 ]; then
          echo "✅ Repository is clean!"
        else
          echo "⚠️  Some cleanup items remain"
        fi

    - name: Commit Changes
      run: |
        echo "=== Committing Changes ==="
        
        # Add specific files/directories only (clean approach)
        git add bulk_import.m3u || true
        git add channels.txt || true
        git add playlist.m3u || true
        git add scripts/ || true
        git add config/ || true
        git add reports/ || true
        git add backups/*.gz || true
        git add templates/ || true
        git add .forgejo/ || true
        git add README.md || true
        git add .gitignore || true
        
        # Remove files that shouldn't be tracked
        git rm --cached *.log 2>/dev/null || true
        git rm --cached **/__pycache__/** 2>/dev/null || true
        git rm --cached **/*.pyc 2>/dev/null || true
        
        # Check what we're about to commit
        echo "📝 Files staged for commit:"
        git diff --staged --name-only | head -10 || echo "No staged changes"
        
        if ! git diff --staged --quiet; then
          # Calculate stats for commit message
          CHANNEL_COUNT="0"
          if [ -f playlist.m3u ]; then
            CHANNEL_COUNT=$(grep -c "^#EXTINF" playlist.m3u 2>/dev/null || echo "0")
          fi
          
          REPO_SIZE=$(du -sh . 2>/dev/null | cut -f1 || echo "unknown")
          
          # Create informative commit message
          COMMIT_MSG="📺 Updated playlist: $CHANNEL_COUNT channels ($(date '+%Y-%m-%d %H:%M'))

🧹 Repository Status:
- Channels: $CHANNEL_COUNT
- Size: $REPO_SIZE  
- Auto-cleaned and organized
- $(date '+%Y-%m-%d %H:%M:%S UTC')"
          
          git commit -m "$COMMIT_MSG"
          git push
          
          echo "✅ Repository updated successfully"
          echo "📺 Channels: $CHANNEL_COUNT"
          echo "📁 Size: $REPO_SIZE"
        else
          echo "ℹ️  No changes to commit"
        fi

    - name: Workflow Summary
      run: |
        echo "=== Workflow Summary ==="
        echo "🎉 IPTV Playlist workflow completed!"
        echo ""
        
        if [ -f playlist.m3u ]; then
          CHANNEL_COUNT=$(grep -c "^#EXTINF" playlist.m3u 2>/dev/null || echo "0")
          echo "✅ Success Summary:"
          echo "   📺 Playlist generated with $CHANNEL_COUNT channels"
          echo "   🧹 Repository cleaned and organized"
          echo "   📁 Files properly structured"
          echo "   🚀 Ready for next import"
        else
          echo "⚠️  Playlist not generated - check logs"
        fi
        
        echo ""
        echo "📋 Next Steps:"
        echo "   1. Add channels to bulk_import.m3u"
        echo "   2. Push changes to trigger workflow"
        echo "   3. Playlist will be automatically updated"