const {
  findUser
} = require('../../lib/utils/account')
const {
  ERROR
} = require('../../common/error')
const {
  userCollection
} = require('../../common/constants')
const PasswordUtils = require('../../lib/utils/password')

/**
 * 新增用户
 * @tutorial https://uniapp.dcloud.net.cn/uniCloud/uni-id-pages.html#add-user
 * @param {Object}  params
 * @param {String}  params.username       用户名
 * @param {String}  params.password       密码
 * @param {String}  params.nickname       昵称
 * @param {Array}   params.authorizedApp  允许登录的AppID列表
 * @param {Array}   params.role           用户角色列表
 * @returns
 */
module.exports = async function (params = {}) {
  const schema = {
    username: 'username',
    password: 'password',
    authorizedApp: {
      required: false,
      type: 'array<string>'
    }, // 指定允许登录的app，传空数组或不传时表示可以不可以在任何端登录
    nickname: {
      required: false,
      type: 'nickname'
    },
    role: {
      require: false,
      type: 'array<string>'
    }
  }
  this.middleware.validate(params, schema)
  const {
    username,
    password,
    authorizedApp,
    nickname,
    role
  } = params
  const userMatched = await findUser({
    userQuery: {
      username
    },
    authorizedApp
  })
  if (userMatched.length) {
    throw {
      errCode: ERROR.ACCOUNT_EXISTS
    }
  }
  const passwordUtils = new PasswordUtils({
    passwordSecret: this.config.passwordSecret
  })
  const {
    passwordHash,
    version
  } = passwordUtils.generatePasswordHash({
    password
  })

  await userCollection.add({
    username,
    password: passwordHash,
    password_secret_version: version,
    dcloud_appid: authorizedApp || [],
    nickname,
    role: role || []
  })

  return {
    errCode: 0
  }
}