AppFlowy/frontend/appflowy_flutter/lib/shared/icon_emoji_picker/icon.dart

import 'package:json_annotation/json_annotation.dart';

part 'icon.g.dart';

@JsonSerializable()
class IconGroup {
  factory IconGroup.fromJson(Map<String, dynamic> json) {
    final group = _$IconGroupFromJson(json);
    // Set the iconGroup reference for each icon
    for (final icon in group.icons) {
      icon.iconGroup = group;
    }
    return group;
  }

  factory IconGroup.fromMapEntry(MapEntry<String, dynamic> entry) =>
      IconGroup.fromJson({
        'name': entry.key,
        'icons': entry.value,
      });

  IconGroup({
    required this.name,
    required this.icons,
  }) {
    // Set the iconGroup reference for each icon
    for (final icon in icons) {
      icon.iconGroup = this;
    }
  }

  final String name;
  final List<Icon> icons;

  String get displayName => name.replaceAll('_', ' ');

  IconGroup filter(String keyword) {
    final lowercaseKey = keyword.toLowerCase();
    final filteredIcons = icons
        .where(
          (icon) =>
              icon.keywords
                  .any((k) => k.toLowerCase().contains(lowercaseKey)) ||
              icon.name.toLowerCase().contains(lowercaseKey),
        )
        .toList();
    return IconGroup(name: name, icons: filteredIcons);
  }

  String? getSvgContent(String iconName) {
    final icon = icons.firstWhere(
      (icon) => icon.name == iconName,
    );
    return icon.content;
  }

  Map<String, dynamic> toJson() => _$IconGroupToJson(this);
}

@JsonSerializable()
class Icon {
  factory Icon.fromJson(Map<String, dynamic> json) => _$IconFromJson(json);

  Icon({
    required this.name,
    required this.keywords,
    required this.content,
  });

  final String name;
  final List<String> keywords;
  final String content;

  // Add reference to parent IconGroup
  IconGroup? iconGroup;

  String get displayName => name.replaceAll('-', ' ');

  Map<String, dynamic> toJson() => _$IconToJson(this);

  String get iconPath {
    if (iconGroup == null) {
      return '';
    }
    return '${iconGroup!.name}/$name';
  }
}

class RecentIcon {
  factory RecentIcon.fromJson(Map<String, dynamic> json) =>
      RecentIcon(_$IconFromJson(json), json['groupName'] ?? '');

  RecentIcon(this.icon, this.groupName);

  final Icon icon;
  final String groupName;

  String get name => icon.name;

  List<String> get keywords => icon.keywords;

  String get content => icon.content;

  Map<String, dynamic> toJson() => _$IconToJson(
        Icon(name: name, keywords: keywords, content: content),
      )..addAll({'groupName': groupName});
}