import 'package:flutter/foundation.dart';
import 'package:intl/intl.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,
  };

  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,
    );
  }
}



// 挑战类的 form 表单，用于绑定等
class ChallengeFormModel {
  int? id;
  int actionType; // 1-愿景 2-战略目标 3-挑战目标 4-待办目标
  String title;
  String description;
  String cover;
  int sort;
  int status; // 1-正常 2-进行中 3-已完成 4-失败放弃
  int difficulty; // 1-简单 2-正常 3-困难 4-地狱
  String remark;
  DateTime? startDate;
  DateTime? endDate;
  DateTime? finishDate;
  DateTime? planFinishDate;
  int parentId;

  ChallengeFormModel({
    this.id,
    this.actionType = 0,
    this.title = '',
    this.description = '',
    this.cover = '',
    this.sort = 100,
    this.status = 0,
    this.difficulty = 0,
    this.remark = '',
    this.startDate,
    this.endDate,
    this.finishDate,
    this.planFinishDate,
    this.parentId = 0
  });

  // 转换为Map方便打印
  Map<String, dynamic> toMap() {
    return {
      'id': id,
      'actionType': actionType ,
      'title': title,
      'description': description,
      'cover': cover,
      'sort': sort,
      'status': status,
      'difficulty': difficulty,
      'remark': remark,
      'startDate': startDate != null ? DateFormat('yyyy-MM-dd').format(startDate!) : null,
      'endDate': endDate != null ? DateFormat('yyyy-MM-dd').format(endDate!) : null,
      'finishDate': finishDate != null ? DateFormat('yyyy-MM-dd').format(finishDate!) : null,
      'planFinishDate': planFinishDate != null ? DateFormat('yyyy-MM-dd').format(planFinishDate!) : null,
      'parentId': parentId,
    };
  }

  // 添加转换方法
  factory ChallengeFormModel.fromChallenge(ChallengeModel challenge) {
    return ChallengeFormModel(
      id: challenge.id,
      actionType: challenge.actionType,
      title: challenge.title,
      description: challenge.description,
      cover: challenge.cover,
      sort: challenge.sort,
      status: challenge.status,
      difficulty: challenge.difficulty,
      remark: challenge.remark,
      startDate: challenge.startDate,
      endDate: challenge.endDate,
      finishDate: challenge.finishDate,
      planFinishDate: challenge.planFinishDate,
      parentId: challenge.parentId,
    );
  }

  ChallengeModel toChallenge() {
    return ChallengeModel(
      id: id,
      actionType: actionType,
      title: title,
      description: description,
      cover: cover,
      sort: sort,
      status: status,
      difficulty: difficulty,
      remark: remark,
      startDate: startDate,
      endDate: endDate,
      finishDate: finishDate,
      planFinishDate: planFinishDate,
      parentId: parentId,
    );
  }


}