import 'package:flutter/material.dart';
import 'package:json_annotation/json_annotation.dart';
part 'category.g.dart';

@JsonSerializable()

/// Represents a category in a user's wallet
class WalletCategory {
  /// Represents a category in a user's wallet
  WalletCategory({
    required this.name,
    required this.type,
    required this.id,
    required this.icon,
  });

  /// Connect the generated [_$WalletEntry] function to the `fromJson`
  /// factory.
  factory WalletCategory.fromJson(Map<String, dynamic> json) =>
      _$WalletCategoryFromJson(json);

  /// Expense or income
  final EntryType type;

  /// User-defined name
  String name;

  /// Unique identificator of the category
  final int id;

  /// Selected Icon for the category
  @JsonKey(fromJson: _iconDataFromJson, toJson: _iconDataToJson)
  IconData icon;

  /// Connect the generated [_$PersonToJson] function to the `toJson` method.
  Map<String, dynamic> toJson() => _$WalletCategoryToJson(this);

  @override
  String toString() {
    return name;
  }
}

Map<String, dynamic> _iconDataToJson(IconData icon) =>
    {'codepoint': icon.codePoint, 'family': icon.fontFamily};

IconData _iconDataFromJson(Map<String, dynamic> data) =>
    IconData(data['codepoint'] as int, fontFamily: data['family'] as String?);

/// Type of entry, either expense or income
enum EntryType {
  /// Expense
  expense,

  /// Income
  income
}