import { Injectable } from '@nestjs/common';
import { BullOptionsFactory as Factory, BullModuleOptions } from '@nestjs/bull';

import { Configuration } from '&app/config/Configuration';

@Injectable()
export class BullOptionsFactory implements Factory {
  private readonly host: string;
  private readonly port: string;
  private readonly auth: string;

  public constructor(config: Configuration) {
    this.host = config.getStringOrThrow('REDIS_HOST');
    this.port = config.getStringOrThrow('REDIS_PORT');
    this.auth = config.getStringOrThrow('REDIS_AUTH');
    console.log('inside constrctor');
  }

  public createBullOptions(): BullModuleOptions {
    console.log('inside createBullOptions'); // function has not been called
    return {
      redis: {
        host: this.host,
        port: Number(this.port),
        password: this.auth,
      },
    };
  }
}