class VisitsSearch{
  String? deviceSerialNumber;
  String? hospitalName;
  String? brand;
  String? model;
  String? contactStatus;
  DateTime? expectedDateFrom;
  DateTime? expectedDateTo;
  DateTime? actualDateFrom;
  DateTime? actualDateTo;
  int? statusValue;

  VisitsSearch({
    this.deviceSerialNumber,
    this.statusValue,
    this.brand,
    this.hospitalName,
    this.actualDateTo,
    this.actualDateFrom,
    this.model,
    this.contactStatus,
    this.expectedDateFrom,
    this.expectedDateTo,
  });

  fromSearch(VisitsSearch newSearch){
    deviceSerialNumber = newSearch.deviceSerialNumber;
    brand = newSearch.brand;
    hospitalName = newSearch.hospitalName;
    actualDateTo = newSearch.actualDateTo;
    actualDateFrom = newSearch.actualDateFrom;
    model = newSearch.model;
    contactStatus = newSearch.contactStatus;
    expectedDateFrom = newSearch.expectedDateFrom;
    expectedDateTo = newSearch.expectedDateTo;
    statusValue = newSearch.statusValue;
  }

  String toSearchString(){
    String _search = "";
    if(deviceSerialNumber != null  && (deviceSerialNumber?.isNotEmpty??false)){
      _search += "&sn_id=$deviceSerialNumber";
    }

    if(hospitalName != null  && (hospitalName?.isNotEmpty??false)){
      _search += "&client=$hospitalName";
    }

    if(brand != null  && (brand?.isNotEmpty??false)){
      _search += "&brand=$brand";
    }

    if(model != null  && (model?.isNotEmpty??false)){
      _search += "&model=$model";
    }

    if(expectedDateFrom != null){
      _search += "&expected_date_from=${(expectedDateFrom?.millisecondsSinceEpoch??0) ~/ 1000}";
    }

    if(expectedDateTo != null){
      _search += "&expected_date_to=${(expectedDateTo?.millisecondsSinceEpoch??0) ~/1000}";
    }

    if(actualDateFrom != null){
      _search += "&actual_date_from=${(actualDateFrom?.millisecondsSinceEpoch??0) ~/ 1000}";
    }

    if(actualDateTo != null){
      _search += "&actual_date_to=${(actualDateTo?.millisecondsSinceEpoch??0) ~/1000}";
    }

    if(statusValue != null){
      _search += "&status=$statusValue";
    }

    if(contactStatus != null){
      _search += "&assigned_to=$contactStatus";
    }
    return _search;
  }
}