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

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

  constructor(
    @Inject('EMAIL_SERVICE')
    private readonly emailServiceClient: ClientProxy,
  ) {}

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

  async onApplicationBootstrap() {
    if (!this.enabled) return;
    this.emailServiceClient
      .connect()
      .then(() => this.logger.log('Connected to Email service'))
      .catch((err) => this.logger.error('Error connecting to Email service', err));
  }

  async sendEmail(dto: SendEmail) {
    if (!this.enabled) return {};
    this.emailServiceClient.emit('send-email', { ...dto, appKey: 'EDR-PASSENGER-API' });
    return {};
  }
}