// lib/models/air_collection_data.dart

class AirCollectionData {
  // Link to the original installation
  String? installationRefID;
  int? airManId; // The ID from the server database

  // Collection Info
  String? collectionDate;
  String? collectionTime;
  String? weather;
  double? temperature;
  String? powerFailure;

  // PM10 Readings
  double? pm10Flowrate;
  String? pm10FlowrateResult;
  String? pm10TotalTime;
  String? pm10TotalTimeResult;
  double? pm10Pressure;
  String? pm10PressureResult;
  double? pm10Vstd;

  // PM2.5 Readings
  double? pm25Flowrate;
  String? pm25FlowrateResult;
  String? pm25TotalTime;
  String? pm25TotalTimeResult;
  double? pm25Pressure;
  String? pm25PressureResult;
  double? pm25Vstd;

  // General
  String? remarks;
  int? collectionUserId;
  String? status;

  AirCollectionData({
    this.installationRefID,
    this.airManId,
    this.collectionDate,
    this.collectionTime,
    this.weather,
    this.temperature,
    this.powerFailure,
    this.pm10Flowrate,
    this.pm10FlowrateResult,
    this.pm10TotalTime,
    this.pm10TotalTimeResult,
    this.pm10Pressure,
    this.pm10PressureResult,
    this.pm10Vstd,
    this.pm25Flowrate,
    this.pm25FlowrateResult,
    this.pm25TotalTime,
    this.pm25TotalTimeResult,
    this.pm25Pressure,
    this.pm25PressureResult,
    this.pm25Vstd,
    this.remarks,
    this.collectionUserId,
    this.status,
  });

  /// Creates a map for saving all data to local storage.
  Map<String, dynamic> toMap() {
    return {
      'installationRefID': installationRefID,
      'air_man_id': airManId,
      'air_man_collection_date': collectionDate,
      'air_man_collection_time': collectionTime,
      'air_man_collection_weather': weather,
      'air_man_collection_temperature': temperature,
      'air_man_collection_power_failure': powerFailure,
      'air_man_collection_pm10_flowrate': pm10Flowrate,
      'air_man_collection_pm10_flowrate_result': pm10FlowrateResult,
      'air_man_collection_pm10_total_time': pm10TotalTime,
      'air_man_collection_total_time_result': pm10TotalTimeResult,
      'air_man_collection_pm10_pressure': pm10Pressure,
      'air_man_collection_pm10_pressure_result': pm10PressureResult,
      'air_man_collection_pm10_vstd': pm10Vstd,
      'air_man_collection_pm25_flowrate': pm25Flowrate,
      'air_man_collection_pm25_flowrate_result': pm25FlowrateResult,
      'air_man_collection_pm25_total_time': pm25TotalTime,
      'air_man_collection_pm25_total_time_result': pm25TotalTimeResult,
      'air_man_collection_pm25_pressure': pm25Pressure,
      'air_man_collection_pm25_pressure_result': pm25PressureResult,
      'air_man_collection_pm25_vstd': pm25Vstd,
      'air_man_collection_remarks': remarks,
      'status': status,
    };
  }

  /// Creates a JSON map with keys that match the backend API.
  Map<String, dynamic> toJson() {
    // This method is now designed to match the API structure perfectly.
    return {
      'air_man_id': airManId,
      'air_man_collection_date': collectionDate,
      'air_man_collection_time': collectionTime,
      'air_man_collection_weather': weather,
      'air_man_collection_temperature': temperature,
      'air_man_collection_power_failure': powerFailure,
      'air_man_collection_pm10_flowrate': pm10Flowrate,
      'air_man_collection_pm10_flowrate_result': pm10FlowrateResult,
      'air_man_collection_pm10_total_time': pm10TotalTime,
      'air_man_collection_total_time_result': pm10TotalTimeResult,
      'air_man_collection_pm10_pressure': pm10Pressure,
      'air_man_collection_pm10_pressure_result': pm10PressureResult,
      'air_man_collection_pm10_vstd': pm10Vstd,
      'air_man_collection_pm25_flowrate': pm25Flowrate,
      'air_man_collection_pm25_flowrate_result': pm25FlowrateResult,
      'air_man_collection_pm25_total_time': pm25TotalTime,
      'air_man_collection_pm25_total_time_result': pm25TotalTimeResult,
      'air_man_collection_pm25_pressure': pm25Pressure,
      'air_man_collection_pm25_pressure_result': pm25PressureResult,
      'air_man_collection_pm25_vstd': pm25Vstd,
      'air_man_collection_remarks': remarks,
    };
  }
}