import path from 'path'
import config from 'config'
import mongoose from 'mongoose'
import { DB } from '../database'
import credential from 'credential'
import readlineSync from 'readline-sync'
import crypto from 'crypto'
import urlSafeBase64 from 'urlsafe-base64'
import util from 'util'
import autobind from 'autobind-decorator'

@autobind
class AddUserTool {
  constructor(toolName, log) {
    this.toolName = toolName
    this.log = log
  }

  async run() {
    try {
      const mongoUri = config.get('uri.mongo')
      const db = await new DB().connect(mongoUri)

      console.log(`Connected to MongoDB at '${mongoUri}'`)

      const User = db.User
      let user = new User({
        administrator: true,
      })
      user.firstName = readlineSync.question('First name? ')
      user.lastName = readlineSync.question('Last name? ')
      user.email = readlineSync.question('Email? ')
      let password = readlineSync.question('Password? ', {hideEchoBack: true})
      let cr = credential()

      const json = await util.promisify(cr.hash)(password)

      user.passwordHash = JSON.parse(json)

      const savedUser = await user.save()

      console.log(`User is ${user}`)
    } catch(error) {
      console.log(`error: ${error.message}`)
    }
  }
}

const log = {
  info: console.info,
  error: function() { console.error(chalk.red('error:', [...arguments].join(' ')))},
  warning: function() { console.error(chalk.yellow('warning:', [...arguments].join(' ')))}
}

const tool = new AddUserTool('addUser', log)

tool.run(process.argv.slice(2)).then((exitCode) => {
  process.exit(exitCode)
}).catch((err) => {
  console.error(err)
})