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/PatientSearchRequestModel.dart';
import 'package:doctor_app_flutter/core/service/patient/out_patient_service.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>();

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

  getOutPatient(PatientSearchRequestModel patientSearchRequestModel , {bool isLocalBusy = false}) async {
    if(isLocalBusy) {
      setState(ViewState.BusyLocal);
    } else {
      setState(ViewState.Busy);
    }

    await _outPatientService.getOutPatient(
        patientSearchRequestModel);
    if (_outPatientService.hasError) {
      error = _outPatientService.error;
      if(isLocalBusy) {
        setState(ViewState.ErrorLocal);
      } else {
        setState(ViewState.Error);
      }
      setState(ViewState.Error);
    } else {
      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 {
      setState(ViewState.Idle);
    }
  }



  getPatientBasedOnDate (
      {item, PatientSearchRequestModel patientSearchRequestModel, PatientType selectedPatientType,
        bool isSearchWithKeyInfo })async {
    String dateTo;
    String dateFrom;
    if (item == 'Tomorrow') {
      dateTo = DateUtils.convertDateToFormat(
          DateTime(DateTime.now().year, DateTime.now().month,
              DateTime.now().day + 1),
          'yyyy-MM-dd');
      dateFrom = DateUtils.convertDateToFormat(
          DateTime(DateTime.now().year, DateTime.now().month,
              DateTime.now().day + 1),
          'yyyy-MM-dd');
    } else if (item == 'Next Week') {


      dateTo = DateUtils.convertDateToFormat(
          DateTime(DateTime.now().year, DateTime.now().month,
              DateTime.now().day + 6),
          'yyyy-MM-dd');

      dateFrom = DateUtils.convertDateToFormat(
          DateTime(DateTime.now().year, DateTime.now().month,
              DateTime.now().day + 1),
          'yyyy-MM-dd');
    } else {
      dateFrom = DateUtils.convertDateToFormat(
          DateTime(
              DateTime.now().year, DateTime.now().month, DateTime.now().day),
          'yyyy-MM-dd');
      dateTo= DateUtils.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.from = dateFrom;
    currentModel.to = dateTo;


    if(isSearchWithKeyInfo) {
      await getPatientFileInformation(currentModel);
    } else {
      if(selectedPatientType == PatientType.OutPatient) {
        await getOutPatient(currentModel, isLocalBusy: true);
      } else {
        // TODO handel inPatient case
      }
    }

  }

}