import { Injectable } from '@nestjs/common';
import { InjectConfig } from '@nestcloud/config';
import { EtcdConfig } from '@nestcloud/config/etcd-config';
import { MongoModuleOptions, MongoOptionsFactory } from '@juicycleff/repo-orm';
import { ConsulDatabaseConfig } from '@ultimatebackend/common';

const jestMongoDb = global.__MONGO_URI__
  ? `${global.__MONGO_URI__}/${global.__MONGO_DB_NAME__}`
  : undefined;

@Injectable()
export class MongoConfigService implements MongoOptionsFactory {
  constructor(@InjectConfig() private readonly config: EtcdConfig) {}

  createMongoOptions(): Promise<MongoModuleOptions> | MongoModuleOptions {
    const database = this.config.get<ConsulDatabaseConfig>('database');

    return {
      uri: jestMongoDb || `${database?.mongodb?.uri}${database?.mongodb?.name}`,
      dbName: global.__MONGO_DB_NAME__ || database?.mongodb?.name,
    };
  }
}