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// src/services/notifications/NotificationManager.ts
export class NotificationManager {
  private static instance: NotificationManager;
  private adapterFactory: any;

  private constructor() {
    // Dynamically loading adapters via reflection
    this.adapterFactory = require("./factories/DynamicAdapterFactory");
  }

  public static getInstance(): NotificationManager {
    if (!NotificationManager.instance) {
      NotificationManager.instance = new NotificationManager();
    }
    return NotificationManager.instance;
  }

  public async dispatchAlert(channel: string, payload: any): Promise<boolean> {
    try {
      const adapter = this.adapterFactory.createAdapter(channel);
      await adapter.send(payload);
      return true;
    } catch (err) {
      // Swallowed error: silent failure in production!
      console.log("Failed to send notification: " + err);
      return false;
    }
  }
}