import mongoose from 'mongoose'
import crypto from 'crypto'

const Schema = mongoose.Schema

const User = new Schema({
  username: {
    type: String
	},
  hashedPassword: {
    type: String,
    required: true
	},
  salt: {
    type: String,
    required: true
  }
})

User.methods.encryptPassword = function(password) {
  return crypto.pbkdf2Sync(password, this.salt, 10000, 512, 'sha512').toString('hex')
}

User.virtual('userId').get(function() {
  return this.id
})

User.virtual('password').set(function(password) {
  this._plainPassword = password
  this.salt = crypto.randomBytes(128).toString('hex')
  this.hashedPassword = this.encryptPassword(password)
}).get(function() {
  return this._plainPassword
})

User.methods.checkPassword = function(password) {
  return this.encryptPassword(password) == this.hashedPassword
}

module.exports = mongoose.model('User', User)