import { Logger } from '@nestjs/common';
import { PushNotification, PushProvider, PushResult } from './push-provider';

/// Default provider: doesn't send, just logs. Keeps the app working before
/// FCM credentials are configured.
export class LogPushProvider implements PushProvider {
  private readonly logger = new Logger('PushProvider');

  async sendToTokens(tokens: string[], n: PushNotification): Promise<PushResult> {
    this.logger.log(
      `[log-only] would push "${n.title}" to ${tokens.length} device(s): ${n.body}`,
    );
    return { sent: 0, invalidTokens: [] };
  }
}