import 'package:flutter/foundation.dart';

// 待办
@immutable
class ChallengeModel {
  final int? id;
  final int actionType; // 1-愿景 2-战略目标 3-挑战目标 4-待办目标
  final String title;
  final String description;
  final String cover;
  final int sort;
  final int status; // 1-正常 2-进行中 3-已完成 4-失败放弃
  final int difficulty; // 1-简单 2-正常 3-困难 4-地狱
  final String remark;
  final DateTime? startDate;
  final DateTime? endDate;
  final DateTime? finishDate;
  final DateTime? planFinishDate;
  final int parentId;

  const ChallengeModel({
    required this.id,
    required this.actionType,
    required this.title,
    required this.description,
    required this.cover,
    required this.sort,
    required this.status,
    required this.difficulty,
    required this.remark,
    required this.startDate,
    required this.endDate,
    required this.finishDate,
    required this.parentId,
    required this.planFinishDate,
  });

  factory ChallengeModel.fromJson(Map<String, dynamic> json) {
    return ChallengeModel(
      id: json['id'] as int?,
      title: json['title'] as String,
      description: json['description'] as String,
      startDate: DateTime.parse(json['start_date'] as String),
      endDate: DateTime.parse(json['end_date'] as String),
      cover: json['cover'] as String,
      sort: json['sort'] as int,
      status: json['status'] as int,
      remark: json['remark'] as String,
      finishDate: DateTime.parse(json['finish_date'] as String),
      parentId: json['parent_id'] as int, 
      actionType: 0, 
      difficulty: 0, 
      planFinishDate: DateTime.parse(json['end_date'] as String),
    );
  }

  /// 转换为JSON
  // Map<String, dynamic> toJson() => {
  //   if (id != null) 'id': id,
  //   'title': title,
  //   'description': description,
  //   'startDate': startDate.toIso8601String(),
  //   'endDate': endDate.toIso8601String(),
  // };

  ChallengeModel copyWith({
    int? id,
    int? actionType,
    String? title,
    String? description,
    int? status,
    int? sort,
    String? cover,
    String? remark,
    int? difficulty,
    DateTime? startDate,
    DateTime? endDate,
    DateTime? finishDate,
    DateTime? planFinishDate,
    int? parentId,
  }) {
    return ChallengeModel(
      id: id ?? this.id,
      actionType: actionType ?? this.actionType,
      title: title ?? this.title,
      description: description ?? this.description,
      startDate: startDate ?? this.startDate,
      endDate: endDate ?? this.endDate, 
      cover: cover ?? this.cover, 
      sort: sort ?? this.sort, 
      status: status ?? this.status, 
      remark: remark ?? this.remark,
      finishDate: finishDate ?? this.finishDate,
      planFinishDate: planFinishDate ?? this.planFinishDate,
      parentId: parentId ?? this.parentId,
      difficulty: difficulty ?? this.difficulty,
    );
  }
}