import {
  Inject,
  Injectable,
  Logger,
  OnApplicationBootstrap,
} from "@nestjs/common";
import { ClientProxy } from "@nestjs/microservices";
import { BulkMessagesDto, SingleMessageDto } 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: SingleMessageDto) {
    if (!this.enabled) return {};
    this.smsClient.emit("send-sms", {
      ...dto,
      appKey: "IFHCRS-LICENSE-MANAGEMENT",
    });
    return {};
  }

  async sendBulkMessages(dto: BulkMessagesDto) {
    if (!this.enabled) return {};
    this.smsClient.emit("ozeking-bulk-sms", {
      ...dto,
      appKey: "IFHCRS-LICENSE-MANAGEMENT",
    });
    return {};
  }
}