import 'dart:convert';

class DesignItem {
  final String name;
  final String id;
  final Map meta;

  DesignItem(this.name, {String id, this.meta = const {}}) : id = id ?? name;

  factory DesignItem.fromString(String fileSrc) {
    final fileData = json.decode(fileSrc) as Map;

    return DesignItem(fileData['name'], id: fileData['id'], meta: fileData['meta']);
  }

  /// Makes the class serializable
  @override
  String toString() => '{id: $id, name: $name, meta: $meta}';
}

class Design {
  final String name;
  final String id;
  final List<DesignItem> items;
  final Map meta;

  Design(this.name, this.items, {String id, this.meta = const {}}) : id = id ?? name;

  factory Design.fromString(String fileSrc) {
    final fileData = json.decode(fileSrc) as Map;
    final serializedItems = (fileData['items'] as List).cast<Map>();

    return Design(fileData['name'],
        serializedItems.map((serializedItemData) => DesignItem.fromString(json.encode(serializedItemData))).toList(),
        id: fileData['id'],
        meta: fileData['meta']);
  }

  /// Makes the class serializable
  @override
  String toString() => '{id: $id, name: $name, items: $items, meta: $meta}';
}