import 'dart:typed_data';

import 'package:flutter/cupertino.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:test_sa/extensions/context_extension.dart';
import 'package:test_sa/models/lookup.dart';
import 'package:test_sa/models/new_models/assigned_employee.dart';
import 'package:test_sa/models/new_models/building.dart';
import 'package:test_sa/models/new_models/department.dart';
import 'package:test_sa/models/new_models/floor.dart';
import 'package:test_sa/models/new_models/mapped_sites.dart';
import 'package:test_sa/models/new_models/site.dart';
import 'package:test_sa/models/timer_model.dart';

class GasRefillModel {
  GasRefillModel({
    this.id,
    this.gasRefillNo,
    this.expectedDate,
    this.expectedTime,
    this.startDate,
    this.startTime,
    this.endDate,
    this.endTime,
    this.engSignature,
    this.nurseSignature,
    this.workingHours,
    this.extensionNo,
    this.employeeId,
    this.name,
    this.createdDate,
    this.site,
    this.building,
    this.floor,
    this.department,
    this.assignedEmployee,
    this.status,
    this.comment,
    this.mapSite,
    this.mappedFloor,
    this.mappedBuilding,
    this.mappedDepartment,
    this.techComment,
    this.gasRefillDetails,
    this.localEngineerSignature,
    this.localNurseSignature,
    this.timer,
    this.timerModelList,
    this.gasRefillTimers,
    this.gasRefillAttachments,
    this.gasRefillContactPerson,
    this.statusValue,
  });

  num? id; // Now nullable
  String? gasRefillNo; // Now nullable
  String? expectedDate; // Now nullable
  String? expectedTime; // Now nullable
  String? startDate; // Now nullable
  String? startTime; // Now nullable
  String? endDate; // Now nullable
  String? endTime; // Now nullable
  String? engSignature; // Now nullable
  String? nurseSignature; // Now nullable
  double? workingHours;
  dynamic extensionNo;
  String? employeeId;
  String? name;
  String? createdDate;
  Site? site; // Now nullable
  Building? building; // Now nullable
  Floor? floor; // Now nullable
  Department? department; // Now nullable
  MappedSite? mapSite; // Now nullable
  MappedBuilding? mappedBuilding; // Now nullable
  MappedFloor? mappedFloor; // Now nullable
  MappedDepartment? mappedDepartment; //
  AssignedEmployee? assignedEmployee; // Now nullable
  Lookup? status; // Now nullable
  String? comment; // Now nullable
  String? techComment; // Now nullable
  List<GasRefillDetails>? gasRefillDetails; // Now nullable
  Uint8List? localNurseSignature; // Now nullable
  Uint8List? localEngineerSignature; // Now nullable
  TimerModel? timer = TimerModel();
  List<TimerModel>? timerModelList = [];
  List<GasRefillTimer>? gasRefillTimers = [];
  List<GasRefillAttachments>? gasRefillAttachments;
  List<GasRefillContactPerson>? gasRefillContactPerson;
  int? statusValue;

  GasRefillModel.fromJson(dynamic json) {
    id = json['id'];
    gasRefillNo = json['gasRefillNo'];
    expectedDate = json['expectedDate'];
    expectedTime = json['expectedTime'];
    startDate = json['startDate'];
    startTime = json['startTime'];
    endDate = json['endDate'];
    endTime = json['endTime'];
    comment = json['comment'];
    techComment = json['techComment'];
    workingHours = json['workingHours'];
    extensionNo = json['extensionNo'];
    employeeId = json['employeeId'];
    name = json['name'];
    createdDate = json['createdDate'];
    if (json['gasRefillTimers'] != null) {
      gasRefillTimers = <GasRefillTimer>[];
      json['gasRefillTimers'].forEach((v) {
        gasRefillTimers?.add(GasRefillTimer.fromJson(v));
      });
      workingHours = json['gasRefillTimers'].fold(0.0, (sum, item) => (sum ?? 0) + DateTime.parse(item['endDate']).difference(DateTime.parse(item['startDate'])).inSeconds) ?? 0;
    }
    if (json['gasRefillAttachments'] != null) {
      gasRefillAttachments = <GasRefillAttachments>[];
      json['gasRefillAttachments'].forEach((v) {
        gasRefillAttachments!.add(GasRefillAttachments.fromJson(v));
      });
    }
    if (json['gasRefillContactPerson'] != null) {
      gasRefillContactPerson = [];
      json['gasRefillContactPerson'].forEach((v) {
        gasRefillContactPerson?.add(GasRefillContactPerson.fromJson(v));
      });

    }


    // try {
    //   final DateTime? sd = DateTime.tryParse(startDate ?? "");
    //   final DateTime? st = DateTime.tryParse(startTime ?? "");
    //   final DateTime? ed = DateTime.tryParse(endDate ?? "");
    //   final DateTime? et = DateTime.tryParse(endTime ?? "");
    //   timer = TimerModel(
    //     startAt: st == null ? sd : sd?.add(Duration(hours: st.hour, minutes: st.minute, seconds: st.second)), // Handle potential null 'sd'
    //     endAt: et == null ? ed : ed?.add(Duration(hours: et.hour, minutes: et.minute, seconds: et.second)), // Handle potential null 'ed'
    //   );
    //   if (timer!.endAt != null && timer!.startAt != null) {
    //     // Use '!' since timer could be null after initialization
    //     timer!.durationInSecond = (timer!.endAt!.difference(timer!.startAt!)).inSeconds;
    //     workingHours = (((timer!.durationInSecond ?? 0) / 60) / 60);
    //   }
    // } catch (e) {
    //   print(e);
    // }

    engSignature = json['engSignature'];
    nurseSignature = json['nurseSignature'];
    site = json['site'] != null ? Site.fromJson(json['site']) : null;
    building = json['building'] != null ? Building.fromJson(json['building']) : null;
    floor = json['floor'] != null ? Floor.fromJson(json['floor']) : null;
    department = json['department'] != null ? Department.fromJson(json['department']) : null;
    mapSite = json['site'] != null ? MappedSite.fromJson(json['site']) : null;
    print('site i got is ::${mapSite?.toJson()}');
    mappedBuilding = mapSite?.buildings?.firstWhere((element) => element.identifier == building?.identifier, orElse: () => MappedBuilding());
    mappedFloor = mappedBuilding?.floors?.firstWhere((element) => element.identifier == floor?.identifier, orElse: () => MappedFloor());
    mappedDepartment = mappedFloor?.departments?.firstWhere((element) => element.identifier == department?.identifier, orElse: () => MappedDepartment());
    assignedEmployee = json['assignedEmployee'] != null ? AssignedEmployee.fromJson(json['assignedEmployee']) : null;
    status = json['status'] != null ? Lookup.fromJson(json['status']) : null;
    if (json['gasRefillDetails'] != null) {
      gasRefillDetails = [];
      json['gasRefillDetails'].forEach((v) {
        gasRefillDetails!.add(GasRefillDetails.fromJson(v)); // Use '!' since gasRefillDetails is initialized here
      });
    }
  }

  Map<String, dynamic> toJson() {
    final map = <String, dynamic>{};

    map['id'] = id ?? 0;
    map['gasTypeId'] = gasRefillDetails?[0].gasType?.id;
    map['cylinderTypeId'] = gasRefillDetails?[0].cylinderType?.id;
    map['cylinderSizeId'] = gasRefillDetails?[0].cylinderSize?.id;
    map['requestedQty'] = gasRefillDetails?[0].requestedQty;
    if (mapSite != null) {
      map['siteId'] = mapSite?.id; // Use '?.' for null safety
    }
    if (mappedBuilding != null) {
      map['buildingId'] = mappedBuilding?.clientBuildingId; // Use '?.' for null safety
    }
    if (mappedFloor != null) {
      map['floorId'] = mappedFloor?.clientFloorId; // Use '?.' for null safety
    }
    if (mappedDepartment != null) {
      map['departmentId'] = mappedDepartment?.departmentId; // Use '?.' for null safety
    }
    map['comment'] = comment;

    if (gasRefillAttachments != null) {
      map['gasRefillAttachments'] = gasRefillAttachments?.map((v) => v.toJson()).toList();
    }

    //older code.....
    // map['gasRefillNo'] = "GR-${DateTime.now().toString().split(" ").first}";
    // map['expectedTime'] = expectedTime;
    //
    // map['startDate'] = startDate;
    // map['startTime'] = startTime;
    // map['endDate'] = endDate;
    // map['endTime'] = endTime;
    // map['engSignature'] = engSignature;
    // map['nurseSignature'] = nurseSignature;
    // map['workingHours'] = workingHours;
    // map['extensionNo'] = extensionNo;
    // map['employeeId'] = employeeId;
    // map['name'] = name;
    // map['createdDate'] = createdDate;
    // map['comment'] = comment;
    // if (site != null) {
    //   map['site'] = site?.toJson(addBuildings: false); // Use '?.' for null safety
    // }
    // if (building != null) {
    //   map['building'] = building?.toJson(addFloor: false); // Use '?.' for null safety
    // }
    // if (floor != null) {
    //   map['floor'] = floor?.toJson(addDepartments: false); // Use '?.' for null safety
    // }
    // if (department != null) {
    //   map['department'] = department?.toJson(); // Use '?.' for null safety
    // }
    // if (assignedEmployee != null) {
    //   map['assignedEmployee'] = assignedEmployee?.toJson(); // Use '?.' for null safety
    // }
    // if (status != null) {
    //   map['status'] = status?.toJson(); // Use '?.' for null safety
    // }
    // if (gasRefillDetails != null) {
    //   map['gasRefillDetails'] = gasRefillDetails!.map((v) => v.toJson()).toList(); // Use '!' since gasRefillDetails could be null
    // }

    return map;
  }

  Map<String, dynamic> toUpdateEngineerPayload({required int status}) {
    final map = <String, dynamic>{};
    map['id'] = id ?? 0;
    map['deliveredQty'] = gasRefillDetails?[0].deliverdQty;
    map['statusValue'] = status;
    map['techComment'] = techComment;
    if (gasRefillTimers != null) {
      map['gasRefillTimers'] = gasRefillTimers?.map((v) => v.toJson()).toList();
    }
    if (gasRefillAttachments != null) {
      map['gasRefillAttachments'] = gasRefillAttachments?.map((v) => v.toJson()).toList();
    }

    return map;
  }

  bool validate(BuildContext context) {
    if (site == null) {
      Fluttertoast.showToast(msg: "${context.translation.youHaveToSelect} ${context.translation.destinationSite}");
      return false;
    } else if (building == null) {
      Fluttertoast.showToast(msg: "${context.translation.youHaveToSelect} ${context.translation.building}");
      return false;
    } else if (floor == null) {
      Fluttertoast.showToast(msg: "${context.translation.youHaveToSelect} ${context.translation.floor}");
      return false;
    } else if (department == null) {
      Fluttertoast.showToast(msg: "${context.translation.youHaveToSelect} ${context.translation.department}");
      return false;
    }
    return true;
  }

  fromGasRefillModel(GasRefillModel model) {
    id = model.id;
    //userId = model.userId;
    site = model.site;
    gasRefillNo = model.gasRefillNo;
    status = Lookup.fromStatus(model.status);
    gasRefillDetails = model.gasRefillDetails;
    building = model.building;
    floor = model.floor;
    department = model.department;
    startDate = model.startDate;
    endDate = model.endDate;
    expectedDate = model.expectedDate;
    comment = model.comment;
    assignedEmployee = model.assignedEmployee;
    localEngineerSignature = model.localEngineerSignature;
    localNurseSignature = model.localNurseSignature;
    engSignature = model.engSignature;
    nurseSignature = model.nurseSignature;
    workingHours = model.workingHours;
    extensionNo = model.extensionNo;
    employeeId = model.employeeId;
    name = model.name;
    techComment = model.techComment;
    gasRefillAttachments = model.gasRefillAttachments;
    createdDate = model.createdDate;
    workingHours = model.workingHours;
    gasRefillTimers = model.gasRefillTimers;
  }

  GasRefillModel copyWith({
    num? id, // Parameters are now nullable
    String? gasRefillNo,
    String? expectedDate,
    String? expectedTime,
    String? startDate,
    String? startTime,
    String? endDate,
    String? endTime,
    String? engSignature,
    String? nurseSignature,
    double? workingHours,
    num? extensionNo,
    num? employeeId,
    String? name,
    String? createdDate,
    Site? site,
    Building? building,
    Floor? floor,
    Department? department,
    AssignedEmployee? assignedEmployee,
    Lookup? status,
    String? comment,
    List<GasRefillDetails>? gasRefillDetails,
    List<GasRefillTimer>? gasRefillTimer,
    TimerModel? timer,
  }) =>
      GasRefillModel(
        id: id ?? this.id,
        gasRefillNo: gasRefillNo ?? this.gasRefillNo,
        expectedDate: expectedDate ?? this.expectedDate,
        expectedTime: expectedTime ?? this.expectedTime,
        startDate: startDate ?? this.startDate,
        startTime: startTime ?? this.startTime,
        endDate: endDate ?? this.endDate,
        endTime: endTime ?? this.endTime,
        engSignature: engSignature ?? this.engSignature,
        nurseSignature: nurseSignature ?? this.nurseSignature,
        workingHours: workingHours ?? this.workingHours,
        site: site ?? this.site,
        building: building ?? this.building,
        floor: floor ?? this.floor,
        department: department ?? this.department,
        assignedEmployee: assignedEmployee ?? this.assignedEmployee,
        status: status ?? this.status,
        comment: comment ?? this.comment,
        gasRefillDetails: gasRefillDetails ?? this.gasRefillDetails,
        timer: timer ?? this.timer,
        gasRefillTimers: gasRefillTimer ?? this.gasRefillTimers,
      );
}

class GasRefillDetails {
  GasRefillDetails({
    this.id,
    this.gasType,
    this.cylinderType,
    this.cylinderSize,
    this.requestedQty,
    this.deliverdQty,
    this.selectedForEditing,
  });

  GasRefillDetails.fromJson(dynamic json) {
    id = json['id'];
    gasType = json['gasType'] != null ? Lookup.fromJson(json['gasType']) : null;
    cylinderType = json['cylinderType'] != null ? Lookup.fromJson(json['cylinderType']) : null;
    cylinderSize = json['cylinderSize'] != null ? Lookup.fromJson(json['cylinderSize']) : null;
    requestedQty = json['requestedQty'];
    deliverdQty = json['deliverdQty'];
  }

  num? id; // Now nullable
  Lookup? gasType; // Now nullable
  Lookup? cylinderType; // Now nullable
  Lookup? cylinderSize; // Now nullable
  num? requestedQty; // Now nullable
  num? deliverdQty; // Now nullable
  bool? selectedForEditing; // Now nullable

  GasRefillDetails copyWith({
    num? id, // Parameters are now nullable
    Lookup? gasType,
    Lookup? cylinderType,
    Lookup? cylinderSize,
    num? requestedQty,
    num? deliverdQty,
    bool? selectedForEditing,
  }) =>
      GasRefillDetails(
        id: id ?? this.id,
        gasType: gasType ?? this.gasType,
        cylinderType: cylinderType ?? this.cylinderType,
        cylinderSize: cylinderSize ?? this.cylinderSize,
        requestedQty: requestedQty ?? this.requestedQty,
        deliverdQty: deliverdQty ?? this.deliverdQty,
        selectedForEditing: selectedForEditing ?? this.selectedForEditing,
      );

  Map<String, dynamic> toJson() {
    final map = <String, dynamic>{};
    map['id'] = id ?? 0;
    if (gasType != null) {
      map['gasType'] = gasType?.toJson(); // Use '?.' for null safety
    }
    if (cylinderType != null) {
      map['cylinderType'] = cylinderType?.toJson(); // Use '?.' for null safety
    }
    if (cylinderSize != null) {
      map['cylinderSize'] = cylinderSize?.toJson(); // Use '?.' for null safety
    }
    map['requestedQty'] = requestedQty;
    map['deliverdQty'] = deliverdQty;
    return map;
  }

  bool validate(BuildContext context) {
    if (gasType == null) {
      Fluttertoast.showToast(msg: "${context.translation.youHaveToSelect} ${context.translation.gasType}");
      return false;
    } else if (requestedQty == null) {
      Fluttertoast.showToast(msg: "${context.translation.youHaveToSelect} ${context.translation.quantity}");
      return false;
    } else if (cylinderType == null) {
      Fluttertoast.showToast(msg: "${context.translation.youHaveToSelect} ${context.translation.cylinderType}");
      return false;
    } else if (cylinderSize == null) {
      Fluttertoast.showToast(msg: "${context.translation.youHaveToSelect} ${context.translation.cylinderSize}");
      return false;
    }
    return true;
  }
}

class GasRefillTimer {
  int? id;
  String? startDate;
  String? endDate;
  dynamic workingHours;

  GasRefillTimer({this.id, this.startDate, this.endDate, this.workingHours});

  GasRefillTimer.fromJson(Map<String, dynamic> json) {
    id = json['id'];
    startDate = json['startDate'];
    endDate = json['endDate'];
    workingHours = json['workingHours'];
  }

  Map<String, dynamic> toJson() {
    final Map<String, dynamic> data = <String, dynamic>{};
    data['id'] = id;
    data['startDate'] = startDate;
    data['endDate'] = endDate;
    data['workingHours'] = workingHours;
    return data;
  }
}

class GasRefillAttachments {
  int? id;
  num? gasRefillId;
  String? attachmentName;

  GasRefillAttachments({this.id, this.attachmentName, this.gasRefillId});

  GasRefillAttachments.fromJson(Map<String, dynamic> json) {
    id = json['id'];
    gasRefillId = json['gasRefillId'];
    attachmentName = json['attachmentName'];
  }

  Map<String, dynamic> toJson() {
    final Map<String, dynamic> data = <String, dynamic>{};
    data['id'] = id;
    data['gasRefillId'] = gasRefillId;
    data['attachmentName'] = attachmentName;
    return data;
  }
}

class GasRefillContactPerson {
  int? id;
  int? gasRefillId;
  String? employeeId;
  String? employeeCode;
  String? name;
  String? email;
  String? mobilePhone;
  String? extension;

  GasRefillContactPerson({
    this.id,
    this.gasRefillId,
    this.employeeId,
    this.employeeCode,
    this.name,
    this.email,
    this.mobilePhone,
    this.extension,
  });

  factory GasRefillContactPerson.fromJson(Map<String, dynamic> json) {
    return GasRefillContactPerson(
      id: json['id'],
      gasRefillId: json['gasRefillId'],
      employeeId: json['employeeId'],
      employeeCode: json['employeeCode'],
      name: json['name'],
      email: json['email'],
      mobilePhone: json['mobilePhone'],
      extension: json['extension'],
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'id': id,
      'gasRefillId': gasRefillId,
      'employeeId': employeeId,
      'employeeCode': employeeCode,
      'name': name,
      'email': email,
      'mobilePhone': mobilePhone,
      'extension': extension,
    };
  }
}