enum DataConsent { basicOnly, full }

enum BusinessType { ecommerce, manufacturing, wholesale, retail }

enum ClientStatus { newClient, pending, completed, updated }

extension BusinessTypeLabel on BusinessType {
  String get label {
    switch (this) {
      case BusinessType.ecommerce:
        return 'E-commerce';
      case BusinessType.manufacturing:
        return 'Manufacturing';
      case BusinessType.wholesale:
        return 'Wholesale';
      case BusinessType.retail:
        return 'Retail';
    }
  }
}

extension ClientStatusLabel on ClientStatus {
  String get label {
    switch (this) {
      case ClientStatus.newClient:
        return 'NEW';
      case ClientStatus.pending:
        return 'PENDING';
      case ClientStatus.completed:
        return 'COMPLETED';
      case ClientStatus.updated:
        return 'UPDATED';
    }
  }
}

class Client {
  final String id;
  final String name;
  final String city;          // free-text, e.g. "New York", "Austin"
  final BusinessType businessType;
  final double parcelVolume;
  final int activeContracts;
  final String provider;
  final String efficiency;
  final ClientStatus status;
  final String lastUpdated;
  final bool surveySubmitted;
  final String notes;
  final DataConsent dataConsent;

  // Extended basic-info fields
  final String phone;          // contact number
  final String frequency;      // shipment frequency: Daily / Weekly / etc.
  final String businessState;  // Indian state of the business
  final String transitType;    // 'within_state' | 'state_to_state' | ''
  final String transitFrom;    // city (within_state) or state name (state_to_state)
  final String transitTo;      // city (within_state) or state name (state_to_state)
  final String neighbourhood;  // local area / neighbourhood
  final String logisticsSegment; // 'First Mile' | 'Middle Mile' | 'Last Mile' | ''
  final String pincode;        // client postal/PIN code — optional manual entry

  // Device GPS at the moment of survey submission — stored for field audit, not displayed in app UI.
  final double surveyLat;
  final double surveyLng;
  final String surveyAddress; // reverse-geocoded full address
  final String surveyZone;    // suburb / neighbourhood from geocoder
  final String surveyPincode; // postal code from GPS reverse-geocode

  // Field-agent attribution — who collected this record (from login session).
  final String recordedByName;  // e.g. "Kamesh"
  final String recordedByEmail; // login email of the agent
  final String recordedByRole;  // 'admin' | 'rep' | 'support'

  const Client({
    required this.id,
    required this.name,
    required this.city,
    required this.businessType,
    required this.parcelVolume,
    required this.activeContracts,
    required this.provider,
    required this.efficiency,
    required this.status,
    required this.lastUpdated,
    required this.surveySubmitted,
    this.notes = '',
    this.dataConsent = DataConsent.full,
    this.phone = '',
    this.frequency = '',
    this.businessState = '',
    this.transitType = '',
    this.transitFrom = '',
    this.transitTo = '',
    this.neighbourhood = '',
    this.logisticsSegment = '',
    this.pincode = '',
    this.surveyLat = 0.0,
    this.surveyLng = 0.0,
    this.surveyAddress = '',
    this.surveyZone = '',
    this.surveyPincode = '',
    this.recordedByName = '',
    this.recordedByEmail = '',
    this.recordedByRole = '',
  });

  Client copyWith({
    String? id,
    String? name,
    String? city,
    BusinessType? businessType,
    double? parcelVolume,
    int? activeContracts,
    String? provider,
    String? efficiency,
    ClientStatus? status,
    String? lastUpdated,
    bool? surveySubmitted,
    String? notes,
    DataConsent? dataConsent,
    String? phone,
    String? frequency,
    String? businessState,
    String? transitType,
    String? transitFrom,
    String? transitTo,
    String? neighbourhood,
    String? logisticsSegment,
    String? pincode,
    double? surveyLat,
    double? surveyLng,
    String? surveyAddress,
    String? surveyZone,
    String? surveyPincode,
    String? recordedByName,
    String? recordedByEmail,
    String? recordedByRole,
  }) {
    return Client(
      id: id ?? this.id,
      name: name ?? this.name,
      city: city ?? this.city,
      businessType: businessType ?? this.businessType,
      parcelVolume: parcelVolume ?? this.parcelVolume,
      activeContracts: activeContracts ?? this.activeContracts,
      provider: provider ?? this.provider,
      efficiency: efficiency ?? this.efficiency,
      status: status ?? this.status,
      lastUpdated: lastUpdated ?? this.lastUpdated,
      surveySubmitted: surveySubmitted ?? this.surveySubmitted,
      notes: notes ?? this.notes,
      dataConsent: dataConsent ?? this.dataConsent,
      phone: phone ?? this.phone,
      frequency: frequency ?? this.frequency,
      businessState: businessState ?? this.businessState,
      transitType: transitType ?? this.transitType,
      transitFrom: transitFrom ?? this.transitFrom,
      transitTo: transitTo ?? this.transitTo,
      neighbourhood: neighbourhood ?? this.neighbourhood,
      logisticsSegment: logisticsSegment ?? this.logisticsSegment,
      pincode: pincode ?? this.pincode,
      surveyLat: surveyLat ?? this.surveyLat,
      surveyLng: surveyLng ?? this.surveyLng,
      surveyAddress: surveyAddress ?? this.surveyAddress,
      surveyZone: surveyZone ?? this.surveyZone,
      surveyPincode: surveyPincode ?? this.surveyPincode,
      recordedByName: recordedByName ?? this.recordedByName,
      recordedByEmail: recordedByEmail ?? this.recordedByEmail,
      recordedByRole: recordedByRole ?? this.recordedByRole,
    );
  }
}