import {
  Inject,
  Injectable,
  Logger,
  OnApplicationBootstrap,
} from '@nestjs/common';
import { ClientProxy } from '@nestjs/microservices';
import { BulkMessagesDto, SendMessage } from './dtos/sms.dto';

@Injectable()
export class SmsClientService implements OnApplicationBootstrap {
  private readonly logger = new Logger(SmsClientService.name);

  constructor(
    @Inject('SMS_SERVICE')
    private smsClient: ClientProxy,
  ) {}

  private readonly enabled = process.env.RABBITMQ_ENABLED !== 'false';

  async onApplicationBootstrap() {
    if (!this.enabled) return;
    this.smsClient
      .connect()
      .then(() => {
        this.logger.log('connected to SMS service');
      })
      .catch((err) => {
        console.error('Error happened at SMS service', err);
      });
  }

  async sendSms(dto: SendMessage) {
    if (!this.enabled) return {};
    this.smsClient.emit('send-sms', { ...dto, appKey: 'EDR-PASSENGER-API' });
    return {};
  }

  async sendBulkMessages(dto: BulkMessagesDto) {
    if (!this.enabled) return {};
    this.smsClient.emit('ozeking-bulk-sms', { ...dto, appKey: 'EDR-PASSENGER-API' });
    return {};
  }
}