import 'package:doctor_app_flutter/core/enum/filter_type.dart';
import 'package:doctor_app_flutter/core/enum/patient_type.dart';
import 'package:doctor_app_flutter/core/enum/viewstate.dart';
import 'package:doctor_app_flutter/core/model/patient_muse/PatientSearchRequestModel.dart';
import 'package:doctor_app_flutter/core/service/patient/out_patient_service.dart';
import 'package:doctor_app_flutter/core/service/patient/patientInPatientService.dart';
import 'package:doctor_app_flutter/core/service/special_clinics/special_clinic_service.dart';
import 'package:doctor_app_flutter/models/dashboard/get_special_clinical_care_mapping_List_Respose_Model.dart';
import 'package:doctor_app_flutter/models/patient/patiant_info_model.dart';
import 'package:doctor_app_flutter/util/date-utils.dart';

import '../../locator.dart';
import 'base_view_model.dart';

class PatientSearchViewModel extends BaseViewModel {
  OutPatientService _outPatientService = locator<OutPatientService>();
  SpecialClinicsService _specialClinicsService =
      locator<SpecialClinicsService>();

  List<PatiantInformtion> get patientList => _outPatientService.patientList;

  List<GetSpecialClinicalCareMappingListResponseModel>
      get specialClinicalCareMappingList =>
          _specialClinicsService.specialClinicalCareMappingList;

  List<PatiantInformtion> filterData = [];

  DateTime selectedFromDate;
  DateTime selectedToDate;

  int firstSubsetIndex = 0;
  int inPatientPageSize = 20;
  int lastSubsetIndex = 20;

  List<String> InpatientClinicList = [];

  searchData(String str) {
    var strExist = str.length > 0 ? true : false;
    if (strExist) {
      filterData = [];
      for (var i = 0; i < _outPatientService.patientList.length; i++) {
        String firstName =
            _outPatientService.patientList[i].firstName.toUpperCase();
        String lastName =
            _outPatientService.patientList[i].lastName.toUpperCase();
        String mobile =
            _outPatientService.patientList[i].mobileNumber.toUpperCase();
        String patientID =
            _outPatientService.patientList[i].patientId.toString();

        if (firstName.contains(str.toUpperCase()) ||
            lastName.contains(str.toUpperCase()) ||
            mobile.contains(str) ||
            patientID.contains(str)) {
          filterData.add(_outPatientService.patientList[i]);
        }
      }
      notifyListeners();
    } else {
      filterData = _outPatientService.patientList;
      notifyListeners();
    }
  }

  getOutPatient(PatientSearchRequestModel patientSearchRequestModel,
      {bool isLocalBusy = false}) async {
    if (isLocalBusy) {
      setState(ViewState.BusyLocal);
    } else {
      setState(ViewState.Busy);
    }
    await getDoctorProfile(isGetProfile: true);
    patientSearchRequestModel.doctorID = doctorProfile.doctorID;
    await _outPatientService.getOutPatient(patientSearchRequestModel);
    if (_outPatientService.hasError) {
      error = _outPatientService.error;
      if (isLocalBusy) {
        setState(ViewState.ErrorLocal);
      } else {
        setState(ViewState.Error);
      }
    } else {
      filterData = _outPatientService.patientList;
      setState(ViewState.Idle);
    }
  }

  sortOutPatient({bool isDes = false}) {
    if (isDes)
      filterData = filterData.reversed.toList();
    else
      filterData = filterData.reversed.toList();
    setState(ViewState.Idle);
  }

  getPatientFileInformation(PatientSearchRequestModel patientSearchRequestModel,
      {bool isLocalBusy = false}) async {
    setState(ViewState.Busy);
    await _outPatientService
        .getPatientFileInformation(patientSearchRequestModel);
    if (_outPatientService.hasError) {
      error = _outPatientService.error;
      setState(ViewState.Error);
    } else {
      filterData = _outPatientService.patientList;
      setState(ViewState.Idle);
    }
  }

  getPatientBasedOnDate(
      {item,
      PatientSearchRequestModel patientSearchRequestModel,
      PatientType selectedPatientType,
      bool isSearchWithKeyInfo,
      OutPatientFilterType outPatientFilterType}) async {
    String dateTo;
    String dateFrom;
    if (OutPatientFilterType.Previous == outPatientFilterType) {
      selectedFromDate = DateTime(
          DateTime.now().year, DateTime.now().month - 1, DateTime.now().day);
      selectedToDate = DateTime(
          DateTime.now().year, DateTime.now().month, DateTime.now().day - 1);
      dateTo = AppDateUtils.convertDateToFormat(selectedToDate, 'yyyy-MM-dd');
      dateFrom =
          AppDateUtils.convertDateToFormat(selectedFromDate, 'yyyy-MM-dd');
    } else if (OutPatientFilterType.NextWeek == outPatientFilterType) {
      dateTo = AppDateUtils.convertDateToFormat(
          DateTime(DateTime.now().year, DateTime.now().month,
              DateTime.now().day + 6),
          'yyyy-MM-dd');

      dateFrom = AppDateUtils.convertDateToFormat(
          DateTime(DateTime.now().year, DateTime.now().month,
              DateTime.now().day + 1),
          'yyyy-MM-dd');
    } else {
      dateFrom = AppDateUtils.convertDateToFormat(
          DateTime(
              DateTime.now().year, DateTime.now().month, DateTime.now().day),
          'yyyy-MM-dd');
      dateTo = AppDateUtils.convertDateToFormat(
          DateTime(
              DateTime.now().year, DateTime.now().month, DateTime.now().day),
          'yyyy-MM-dd');
    }
    PatientSearchRequestModel currentModel = PatientSearchRequestModel();
    currentModel.patientID = patientSearchRequestModel.patientID;
    currentModel.firstName = patientSearchRequestModel.firstName;
    currentModel.lastName = patientSearchRequestModel.lastName;
    currentModel.middleName = patientSearchRequestModel.middleName;
    currentModel.doctorID = patientSearchRequestModel.doctorID;
    currentModel.from = dateFrom;
    currentModel.to = dateTo;
    await getOutPatient(currentModel, isLocalBusy: true);
    filterData = _outPatientService.patientList;
  }

  PatientInPatientService _inPatientService =
      locator<PatientInPatientService>();

  List<PatiantInformtion> get inPatientList => _inPatientService.inPatientList;

  List<PatiantInformtion> get myIinPatientList =>
      _inPatientService.myInPatientList;

  List<PatiantInformtion> filteredInPatientItems = List();
  List<PatiantInformtion> filteredMyInPatientItems = List();

  Future getInPatientList(PatientSearchRequestModel requestModel,
      {bool isMyInpatient = false, bool isLocalBusy = false}) async {
    await getDoctorProfile();
    if (isLocalBusy) {
      setState(ViewState.BusyLocal);
    } else {
      setState(ViewState.Busy);
    }
    if (inPatientList.length == 0)
      await _inPatientService.getInPatientList(requestModel, false);
    if (_inPatientService.hasError) {
      error = _inPatientService.error;
      if (isLocalBusy) {
        setState(ViewState.ErrorLocal);
      } else {
        setState(ViewState.Error);
      }
    } else {
      setDefaultInPatientList();
      generateInpatientClinicList();
      setState(ViewState.Idle);
    }
  }

  sortInPatient({bool isDes = false, bool isAllClinic, bool isMyInPatient}) {
    if (isMyInPatient
        ? myIinPatientList.length > 0
        : isAllClinic
            ? inPatientList.length > 0
            : filteredInPatientItems.length > 0) {
      List<PatiantInformtion> localInPatient = isMyInPatient
          ? [...filteredMyInPatientItems]
          : isAllClinic
              ? [...inPatientList]
              : [...filteredInPatientItems];
      if (isDes)
        localInPatient.sort((PatiantInformtion a, PatiantInformtion b) => b
            .admissionDateWithDateTimeForm
            .compareTo(a.admissionDateWithDateTimeForm));
      else
        localInPatient.sort((PatiantInformtion a, PatiantInformtion b) => a
            .admissionDateWithDateTimeForm
            .compareTo(b.admissionDateWithDateTimeForm));
      if (isMyInPatient) {
        filteredMyInPatientItems.clear();
        filteredMyInPatientItems.addAll(localInPatient);
      } else if (isAllClinic) {
        resetInPatientPagination();
        filteredInPatientItems
            .addAll(localInPatient.sublist(firstSubsetIndex, lastSubsetIndex));
      } else {
        filteredInPatientItems.clear();
        filteredInPatientItems.addAll(localInPatient);
      }
    }
    setState(ViewState.Idle);
  }

  resetInPatientPagination() {
    filteredInPatientItems.clear();
    firstSubsetIndex = 0;
    lastSubsetIndex = inPatientPageSize - 1;
  }

  Future setDefaultInPatientList() async {
    setState(ViewState.BusyLocal);
    await getDoctorProfile();
    resetInPatientPagination();
    if (inPatientList.length > 0) {
      lastSubsetIndex = (inPatientList.length < inPatientPageSize - 1
          ? inPatientList.length
          : inPatientPageSize - 1);

      filteredInPatientItems
          .addAll(inPatientList.sublist(firstSubsetIndex, lastSubsetIndex));
    }

    if (myIinPatientList.length > 0) {
      filteredMyInPatientItems.addAll(myIinPatientList);
    }
    setState(ViewState.Idle);
  }

  generateInpatientClinicList() {
    InpatientClinicList.clear();
    inPatientList.forEach((element) {
      if (!InpatientClinicList.contains(element.clinicDescription)) {
        InpatientClinicList.add(element.clinicDescription);
      }
    });
  }

  addOnFilteredList() {
    if (lastSubsetIndex < inPatientList.length) {
      firstSubsetIndex = firstSubsetIndex +
          (inPatientList.length - lastSubsetIndex < inPatientPageSize - 1
              ? inPatientList.length - lastSubsetIndex
              : inPatientPageSize - 1);
      lastSubsetIndex = lastSubsetIndex +
          (inPatientList.length - lastSubsetIndex < inPatientPageSize - 1
              ? inPatientList.length - lastSubsetIndex
              : inPatientPageSize - 1);
      filteredInPatientItems
          .addAll(inPatientList.sublist(firstSubsetIndex, lastSubsetIndex));
      setState(ViewState.Idle);
    }
  }

  removeOnFilteredList() {
    if (lastSubsetIndex - inPatientPageSize - 1 > 0) {
      filteredInPatientItems.removeAt(lastSubsetIndex - inPatientPageSize - 1);
      setState(ViewState.Idle);
    }
  }

  filterByHospital({int hospitalId}) {
    filteredInPatientItems = [];
    for (var i = 0; i < inPatientList.length; i++) {
      if (inPatientList[i].projectId == hospitalId) {
        filteredInPatientItems.add(inPatientList[i]);
      }
    }
    notifyListeners();
  }

  filterByClinic({String clinicName}) {
    filteredInPatientItems = [];
    for (var i = 0; i < inPatientList.length; i++) {
      if (inPatientList[i].clinicDescription == clinicName) {
        filteredInPatientItems.add(inPatientList[i]);
      }
    }
    notifyListeners();
  }

  void clearPatientList() {
    _inPatientService.inPatientList = [];
    _inPatientService.myInPatientList = [];
  }

  void filterSearchResults(String query,
      {bool isAllClinic, bool isMyInPatient}) {
    var strExist = query.length > 0 ? true : false;

    if (isMyInPatient) {
      List<PatiantInformtion> localFilteredMyInPatientItems = [
        ...myIinPatientList
      ];

      if (strExist) {
        filteredMyInPatientItems.clear();
        for (var i = 0; i < localFilteredMyInPatientItems.length; i++) {
          String firstName =
              localFilteredMyInPatientItems[i].firstName.toUpperCase();
          String lastName =
              localFilteredMyInPatientItems[i].lastName.toUpperCase();
          String mobile =
              localFilteredMyInPatientItems[i].mobileNumber.toUpperCase();
          String patientID =
              localFilteredMyInPatientItems[i].patientId.toString();

          if (firstName.contains(query.toUpperCase()) ||
              lastName.contains(query.toUpperCase()) ||
              mobile.contains(query) ||
              patientID.contains(query)) {
            filteredMyInPatientItems.add(localFilteredMyInPatientItems[i]);
          }
        }
        notifyListeners();
      } else {
        if (myIinPatientList.length > 0) filteredMyInPatientItems.clear();
        filteredMyInPatientItems.addAll(myIinPatientList);
        notifyListeners();
      }
    } else {
      if (isAllClinic) {
        if (strExist) {
          filteredInPatientItems = [];
          for (var i = 0; i < inPatientList.length; i++) {
            String firstName = inPatientList[i].firstName.toUpperCase();
            String lastName = inPatientList[i].lastName.toUpperCase();
            String mobile = inPatientList[i].mobileNumber.toUpperCase();
            String patientID = inPatientList[i].patientId.toString();

            if (firstName.contains(query.toUpperCase()) ||
                lastName.contains(query.toUpperCase()) ||
                mobile.contains(query) ||
                patientID.contains(query)) {
              filteredInPatientItems.add(inPatientList[i]);
            }
          }
          notifyListeners();
        } else {
          if (inPatientList.length > 0) filteredInPatientItems.clear();
          filteredInPatientItems.addAll(inPatientList);
          notifyListeners();
        }
      } else {
        List<PatiantInformtion> localFilteredInPatientItems = [
          ...filteredInPatientItems
        ];

        if (strExist) {
          filteredInPatientItems.clear();
          for (var i = 0; i < localFilteredInPatientItems.length; i++) {
            String firstName =
                localFilteredInPatientItems[i].firstName.toUpperCase();
            String lastName =
                localFilteredInPatientItems[i].lastName.toUpperCase();
            String mobile =
                localFilteredInPatientItems[i].mobileNumber.toUpperCase();
            String patientID =
                localFilteredInPatientItems[i].patientId.toString();

            if (firstName.contains(query.toUpperCase()) ||
                lastName.contains(query.toUpperCase()) ||
                mobile.contains(query) ||
                patientID.contains(query)) {
              filteredInPatientItems.add(localFilteredInPatientItems[i]);
            }
          }
          notifyListeners();
        } else {
          if (localFilteredInPatientItems.length > 0)
            filteredInPatientItems.clear();
          filteredInPatientItems.addAll(localFilteredInPatientItems);
          notifyListeners();
        }
      }
    }
  }

  getSpecialClinicalCareMappingList(clinicId,
      {bool isLocalBusy = false}) async {
    if (isLocalBusy) {
      setState(ViewState.BusyLocal);
    } else {
      setState(ViewState.Busy);
    }
    await _specialClinicsService.getSpecialClinicalCareMappingList(clinicId);
    if (_specialClinicsService.hasError) {
      error = _specialClinicsService.error;
      if (isLocalBusy) {
        setState(ViewState.ErrorLocal);
      } else {
        setState(ViewState.Error);
      }
    } else {
      setState(ViewState.Idle);
    }
  }
}