// Copyright IBM Corp. 2018. All Rights Reserved.
// Node module: loopback4-example-shopping
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT

import {
  DefaultCrudRepository,
  juggler,
  repository,
  HasOneRepositoryFactory
} from '@loopback/repository'
import { User, UserCredentials } from '../models'
import { inject, Getter } from '@loopback/core'
import { UserCredentialsRepository } from './user-credentials.repository'

export type Credentials = {
  email: string
  password: string
}

export class UserRepository extends DefaultCrudRepository<
  User,
  typeof User.prototype.id
> {
  public readonly userCredentials: HasOneRepositoryFactory<
    UserCredentials,
    typeof User.prototype.id
  >

  constructor(
    @inject('datasources.mongo') protected datasource: juggler.DataSource,
    @repository.getter('UserCredentialsRepository')
    protected userCredentialsRepositoryGetter: Getter<UserCredentialsRepository>
  ) {
    super(User, datasource)
    this.userCredentials = this.createHasOneRepositoryFactoryFor(
      'userCredentials',
      userCredentialsRepositoryGetter
    )
  }

  async findCredentials(
    userId: typeof User.prototype.id
  ): Promise<UserCredentials | undefined> {
    try {
      return await this.userCredentials(userId).get()
    } catch (err) {
      if (err.code === 'ENTITY_NOT_FOUND') {
        return undefined
      }
      throw err
    }
  }
}