const mongoose = require('mongoose');

const bcrypt = require('bcrypt-nodejs');

// User Schema
const UserSchema = mongoose.Schema({
  username: {
    type: String,
    index: true
  },
  password: {
    type: String
  }
});

const User = mongoose.model('User', UserSchema);
module.exports = User;

module.exports.getUserByUsername = (username, callback) => {
  const query = { username };
  User.findOne(query, callback);
};

module.exports.getUserById = (id, callback) => {
  User.findById(id, callback);
};

module.exports.comparePassword = (candidatePassword, hash, callback) => {
  bcrypt.compare(candidatePassword, hash, (err, isMatch) => {
    if (err) {
      throw err;
    }
    callback(null, isMatch);
  });
};