// SPDX-FileCopyrightText: (C) 2024 Matyáš Caras
//
// SPDX-License-Identifier: AGPL-3.0-only

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.id,
    required this.icon,
    required this.color,
  });

  /// Generates a class instance from a Map
  factory WalletCategory.fromJson(Map<String, dynamic> json) =>
      _$WalletCategoryFromJson(json);

  /// Default [WalletCategory] instance for json_serializable
  factory WalletCategory.unknown() => WalletCategory(
        name: "Unknown",
        id: -1,
        icon: Icons.question_mark,
        color: Colors.green,
      );

  /// User-defined name
  @JsonKey(defaultValue: "Unknown")
  String name;

  /// Unique identificator of the category
  @JsonKey(required: true, disallowNullValue: true)
  final int id;

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

  /// The color that will be displayed with entry
  @JsonKey(
    fromJson: _colorFromJson,
    toJson: _colorToJson,
    defaultValue: _defaultColor,
  )
  Color color;

  /// Converts the data in this instance into a Map
  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?);

int _colorToJson(Color color) => color.value;
Color _colorFromJson(int input) => Color(input);

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

  /// Income
  income
}

IconData _defaultIcon() => Icons.question_mark;
Color _defaultColor() => Colors.green;