class Worker {
  const Worker({
    required this.name,
    required this.role,
    required this.city,
    required this.phone,
    this.shiftsWorked = 0,
    this.rating = 5.0,
    this.onTimePercent = 100,
    this.noShows = 0,
    this.cancellations = 0,
  });

  final String name;
  final String role;
  final String city;
  final String phone;
  final int shiftsWorked;
  final double rating;
  final int onTimePercent;
  final int noShows;
  final int cancellations;

  /// Stay above 45% to keep picking up shifts. On-time arrivals move it most.
  int get trustIndex {
    final base = 40 + onTimePercent ~/ 2 - noShows * 15 - cancellations * 5;
    return base.clamp(0, 100);
  }

  String get initials => name
      .split(' ')
      .where((p) => p.isNotEmpty)
      .map((p) => p[0].toUpperCase())
      .take(2)
      .join();

  Worker copyWith({
    String? name,
    String? role,
    String? city,
    String? phone,
    int? shiftsWorked,
    int? onTimePercent,
    int? noShows,
    int? cancellations,
  }) => Worker(
    name: name ?? this.name,
    role: role ?? this.role,
    city: city ?? this.city,
    phone: phone ?? this.phone,
    shiftsWorked: shiftsWorked ?? this.shiftsWorked,
    rating: rating,
    onTimePercent: onTimePercent ?? this.onTimePercent,
    noShows: noShows ?? this.noShows,
    cancellations: cancellations ?? this.cancellations,
  );
}