name: Check Dart Formatting

on:
  push:
  workflow_dispatch:

jobs:
  check-dart:
    runs-on: macos-latest
    steps:
    - uses: actions/checkout@v3

    - name: Setup Flutter SDK
      uses: flutter-actions/setup-flutter@v4
      with:
        channel: stable
        version: 3.32.6

    - name: Check Flutter and Dart versions
      run: |
        flutter --version
        dart --version
        dart format --version
        
    - name: Resolve Flutter packages
      run: |
        echo "=== Resolving packages to avoid format warnings ==="
        cd spine-flutter
        flutter pub get
        cd example && flutter pub get
        cd ../test && flutter pub get
        
    - name: Format Dart
      run: ./formatters/format-dart.sh

    - name: Check for changes
      run: |
        # Ignore generated files that might change during flutter pub get
        git ls-files -m | grep -v "GeneratedPluginRegistrant" > /tmp/modified_files || true
        if [ -s /tmp/modified_files ]; then
          cat /tmp/modified_files
          echo "Detected Dart formatting errors!"
          echo "Creating diff files..."
          mkdir -p dart-format-diff
          git diff > dart-format-diff/full-diff.txt
          git ls-files -m > dart-format-diff/modified-files.txt
          for file in $(git ls-files -m | head -10); do
            echo "=== Diff for $file ===" >> dart-format-diff/file-diffs.txt
            git diff "$file" >> dart-format-diff/file-diffs.txt
            echo -e "\n\n" >> dart-format-diff/file-diffs.txt
          done
          exit 1
        fi

    - name: Upload diff artifact
      if: failure()
      uses: actions/upload-artifact@v4
      with:
        name: dart-format-diff
        path: dart-format-diff/