/**
 * In-Memory Implementation: InMemoryNotificationPreferenceRepository
 * 
 * Provides an in-memory storage implementation for notification preferences.
 */

import { NotificationPreference } from '../../domain/entities/NotificationPreference';
import type { INotificationPreferenceRepository } from '../../domain/repositories/INotificationPreferenceRepository';

export class InMemoryNotificationPreferenceRepository implements INotificationPreferenceRepository {
  private preferences: Map<string, NotificationPreference> = new Map();

  constructor(initialPreferences: NotificationPreference[] = []) {
    initialPreferences.forEach(pref => {
      this.preferences.set(pref.driverId, pref);
    });
  }

  async findByDriverId(driverId: string): Promise<NotificationPreference | null> {
    return this.preferences.get(driverId) || null;
  }

  async save(preference: NotificationPreference): Promise<void> {
    this.preferences.set(preference.driverId, preference);
  }

  async delete(driverId: string): Promise<void> {
    this.preferences.delete(driverId);
  }

  async getOrCreateDefault(driverId: string): Promise<NotificationPreference> {
    const existing = this.preferences.get(driverId);
    if (existing) {
      return existing;
    }

    const defaultPreference = NotificationPreference.createDefault(driverId);
    this.preferences.set(driverId, defaultPreference);
    return defaultPreference;
  }
}