addGoogleMaps method

List<String> addGoogleMaps(String apiKey)

Adds the GoogleMaps import and GMSServices.provideAPIKey call with apiKey to AppDelegate.swift.

Implementation

List<String> addGoogleMaps(String apiKey) {
  final results = <String>[];
  try {
    final file = File(_delegatePath);
    var content = file.readAsStringSync();
    var modified = false;

    // 1. Add import GoogleMaps
    if (!content.contains('import GoogleMaps')) {
      final marker = _annotationMarker(content);
      if (marker != null) {
        final idx = content.indexOf(marker);
        content =
            content.substring(0, idx) + 'import GoogleMaps\n\n' + content.substring(idx);
        modified = true;
        results.add('✅ Updated AppDelegate.swift — added import GoogleMaps');
      }
    } else {
      results.add(
          '⚠️  AppDelegate.swift — import GoogleMaps already exists, skipped');
    }

    // 2. Add GMSServices.provideAPIKey as first line of didFinishLaunching
    if (!content.contains('GMSServices.provideAPIKey(')) {
      final bodyStart = _didFinishLaunchingBodyStart(content);
      if (bodyStart != -1) {
        final newlineAfterBrace = content.indexOf('\n', bodyStart);
        if (newlineAfterBrace != -1) {
          content = content.substring(0, newlineAfterBrace + 1) +
              '    GMSServices.provideAPIKey("$apiKey")\n' +
              content.substring(newlineAfterBrace + 1);
          modified = true;
          results.add(
              '✅ Updated AppDelegate.swift — added GMSServices.provideAPIKey');
        }
      }
    } else {
      results.add(
          '⚠️  AppDelegate.swift — GMSServices.provideAPIKey already exists, skipped');
    }

    if (modified) file.writeAsStringSync(content);
  } catch (e) {
    results.add('❌ Failed to update AppDelegate.swift: $e\n'
        'Please open an issue: https://github.com/MohsenBahaj/flutter_ios_capabilities_setup/issues');
  }
  return results;
}