import 'package:test_sa/modules/notification_setting/models/notification_channel_model.dart';

class NotificationPreferenceResponse {
  final List<NotificationTemplate>? data;
  final int? totalRows;
  final int? count;
  final String? message;
  final String? title;
  final String? innerMessage;
  final int? responseCode;
  final bool? isSuccess;

  NotificationPreferenceResponse({
    this.data,
    this.totalRows,
    this.count,
    this.message,
    this.title,
    this.innerMessage,
    this.responseCode,
    this.isSuccess,
  });

  factory NotificationPreferenceResponse.fromJson(Map<String, dynamic> json) {
    return NotificationPreferenceResponse(
      data: json['data'] != null
          ? (json['data'] as List).map((e) => NotificationTemplate.fromJson(e)).toList()
          : null,
      totalRows: json['totalRows'],
      count: json['count'],
      message: json['message'],
      title: json['title'],
      innerMessage: json['innerMessage'],
      responseCode: json['responseCode'],
      isSuccess: json['isSuccess'],
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'data': data?.map((e) => e.toJson()).toList(),
      'totalRows': totalRows,
      'count': count,
      'message': message,
      'title': title,
      'innerMessage': innerMessage,
      'responseCode': responseCode,
      'isSuccess': isSuccess,
    };
  }
}

class NotificationTemplate {
  final int? notificationTemplateId;
  final String? templateName;
  final String? moduleName;
  final String? subModuleName;
  final bool? mandatory;
  final bool? isDisabled;
  final String? channelNames;
  final bool? isCustom;
  final List<NotificationChannel>? templateChannels;
  final List<NotificationChannel>? preferenceChannels;

  // Local state for UI tracking
  bool isModified;
  List<int> selectedChannelIds;

  NotificationTemplate({
    this.notificationTemplateId,
    this.templateName,
    this.moduleName,
    this.subModuleName,
    this.mandatory,
    this.isDisabled,
    this.channelNames,
    this.isCustom,
    this.templateChannels,
    this.preferenceChannels,
    this.isModified = false,
    List<int>? selectedChannelIds,
  }) : selectedChannelIds = selectedChannelIds ?? [];

  factory NotificationTemplate.fromJson(Map<String, dynamic> json) {
    final List<NotificationChannel>? templateChannelsList = json['templateChannels'] != null
        ? (json['templateChannels'] as List).map((e) => NotificationChannel.fromJson(e)).toList()
        : null;

    final List<NotificationChannel>? preferenceChannelsList = json['preferenceChannels'] != null
        ? (json['preferenceChannels'] as List).map((e) => NotificationChannel.fromJson(e)).toList()
        : null;

    // Initialize selectedChannelIds from preferenceChannels if available, otherwise from templateChannels
    List<int> initialSelectedIds = [];
    if (preferenceChannelsList != null && preferenceChannelsList.isNotEmpty) {
      initialSelectedIds = preferenceChannelsList
          .where((e) => e.id != null)
          .map((e) => e.id!)
          .toList();
    } else if (templateChannelsList != null && templateChannelsList.isNotEmpty) {
      initialSelectedIds = templateChannelsList
          .where((e) => e.id != null)
          .map((e) => e.id!)
          .toList();
    }

    return NotificationTemplate(
      notificationTemplateId: json['notificationTemplateId'],
      templateName: json['templateName'],
      moduleName: json['moduleName'],
      subModuleName: json['subModuleName'],
      mandatory: json['mandatory'],
      isDisabled: json['isDisabled'],
      channelNames: json['channelNames'],
      isCustom: json['isCustom'],
      templateChannels: templateChannelsList,
      preferenceChannels: preferenceChannelsList,
      selectedChannelIds: initialSelectedIds,
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'notificationTemplateId': notificationTemplateId,
      'templateName': templateName,
      'moduleName': moduleName,
      'subModuleName': subModuleName,
      'mandatory': mandatory,
      'isDisabled': isDisabled,
      'channelNames': channelNames,
      'isCustom': isCustom,
      'templateChannels': templateChannels?.map((e) => e.toJson()).toList(),
      'preferenceChannels': preferenceChannels?.map((e) => e.toJson()).toList(),
    };
  }

  // Create a copy with modified values
  NotificationTemplate copyWith({
    int? notificationTemplateId,
    String? templateName,
    String? moduleName,
    String? subModuleName,
    bool? mandatory,
    bool? isDisabled,
    String? channelNames,
    bool? isCustom,
    List<NotificationChannel>? templateChannels,
    List<NotificationChannel>? preferenceChannels,
    bool? isModified,
    List<int>? selectedChannelIds,
  }) {
    return NotificationTemplate(
      notificationTemplateId: notificationTemplateId ?? this.notificationTemplateId,
      templateName: templateName ?? this.templateName,
      moduleName: moduleName ?? this.moduleName,
      subModuleName: subModuleName ?? this.subModuleName,
      mandatory: mandatory ?? this.mandatory,
      isDisabled: isDisabled ?? this.isDisabled,
      channelNames: channelNames ?? this.channelNames,
      isCustom: isCustom ?? this.isCustom,
      templateChannels: templateChannels ?? this.templateChannels,
      preferenceChannels: preferenceChannels ?? this.preferenceChannels,
      isModified: isModified ?? this.isModified,
      selectedChannelIds: selectedChannelIds ?? this.selectedChannelIds,
    );
  }
}