part of 'task_form_cubit.dart';

enum TaskFormStatus { initial, loading, submitting, success, failure }

/// Placeholder finto per i futuri reminder (pg_cron)
class TaskReminder extends Equatable {
  final String type; // es. 'email', 'push'
  final int minutesBefore;
  const TaskReminder({required this.type, required this.minutesBefore});
  @override
  List<Object?> get props => [type, minutesBefore];
}

class TaskFormState extends Equatable {
  final TaskFormStatus status;
  final String? id; // Null se stiamo creando un nuovo task
  final String title;
  final String description;
  final DateTime? dueDate;
  final TaskStatus taskStatus;

  // --- SCOPING & ASSIGNMENTS ---
  final bool isGlobal;
  final List<String> selectedStaffIds;
  final List<StaffMemberModel> availableStaff;
  final Map<String, List<StaffMemberModel>> groupedAvailableStaff;

  // --- FUTURI ANCORAGGI ---
  final List<TaskReminder> reminders;
  final String? linkedTicketId;
  final String? linkedEmailId;

  final String? errorMessage;

  const TaskFormState({
    this.status = TaskFormStatus.initial,
    this.id,
    this.title = '',
    this.description = '',
    this.dueDate,
    this.taskStatus = TaskStatus.open,
    this.isGlobal = false,
    this.selectedStaffIds = const [],
    this.availableStaff = const [],
    this.groupedAvailableStaff = const {},
    this.reminders = const [],
    this.linkedTicketId,
    this.linkedEmailId,
    this.errorMessage,
  });

  // MAGIA: Il form è valido solo se c'è un titolo e, opzionalmente, altre regole.
  bool get isFormValid => title.trim().isNotEmpty;

  TaskFormState copyWith({
    TaskFormStatus? status,
    String? id,
    String? title,
    String? description,
    DateTime? dueDate,
    bool clearDueDate = false, // Trucco Ninja per rimettere a null una data!
    TaskStatus? taskStatus,
    bool? isGlobal,
    List<String>? selectedStaffIds,
    List<StaffMemberModel>? availableStaff,
    Map<String, List<StaffMemberModel>>? groupedAvailableStaff,
    List<TaskReminder>? reminders,
    String? linkedTicketId,
    String? linkedEmailId,
    String? errorMessage,
  }) {
    return TaskFormState(
      status: status ?? this.status,
      id: id ?? this.id,
      title: title ?? this.title,
      description: description ?? this.description,
      dueDate: clearDueDate ? null : (dueDate ?? this.dueDate),
      taskStatus: taskStatus ?? this.taskStatus,
      isGlobal: isGlobal ?? this.isGlobal,
      selectedStaffIds: selectedStaffIds ?? this.selectedStaffIds,
      availableStaff: availableStaff ?? this.availableStaff,
      groupedAvailableStaff:
          groupedAvailableStaff ?? this.groupedAvailableStaff,
      reminders: reminders ?? this.reminders,
      linkedTicketId: linkedTicketId ?? this.linkedTicketId,
      linkedEmailId: linkedEmailId ?? this.linkedEmailId,
      errorMessage:
          errorMessage, // Se copyWith è chiamato senza errore, lo pulisce in automatico
    );
  }

  @override
  List<Object?> get props => [
    status,
    id,
    title,
    description,
    dueDate,
    taskStatus,
    isGlobal,
    selectedStaffIds,
    availableStaff,
    groupedAvailableStaff,
    reminders,
    linkedTicketId,
    linkedEmailId,
    errorMessage,
  ];
}