const express = require('express');
const router = express.Router();
const Joi = require('joi');
const validateRequest = require('../_middleware/validate-request');
const accountService = require('./account.service');

// routes
router.post('/register', registerSchema, register);
router.post('/verify-email', verifyEmailSchema, verifyEmail);
router.post('/forgot-password', forgotPasswordSchema, forgotPassword);
router.post('/validate-reset-token', validateResetTokenSchema, validateResetToken);
router.post('/reset-password', resetPasswordSchema, resetPassword);

module.exports = router;

function registerSchema(req, res, next) {
  const schema = Joi.object({
    username: Joi.string().required(),
    email: Joi.string().email().required(),
    password: Joi.string().min(6).required(),
    confirmPassword: Joi.string().valid(Joi.ref('password')).required()
  });

  validateRequest(req, next, schema);
}

function register(req, res, next) {
  accountService.register(req.body, req.get('origin'))
    .then(() => res.json({ message: 'Registration successful, please check your email for verification instructions' }))
    .catch((err) => {
      console.log(err);
      next(err)
    });
}

function verifyEmailSchema(req, res, next) {
  const schema = Joi.object({
    token: Joi.string().required()
  });
  validateRequest(req, next, schema);
}

function verifyEmail(req, res, next) {
  accountService.verifyEmail(req.body)
    .then(() => res.json({ message: 'Verification successful, you can now login' }))
    .catch(next);
}

function forgotPasswordSchema(req, res, next) {
  const schema = Joi.object({
    email: Joi.string().email().required()
  });
  validateRequest(req, next, schema);
}

function forgotPassword(req, res, next) {
  accountService.forgotPassword(req.body, req.get('origin'))
    .then(() => res.json({ message: 'Please check your email for password reset instructions' }))
    .catch(next);
}

function validateResetTokenSchema(req, res, next) {
  const schema = Joi.object({
    token: Joi.string().required()
  });
  validateRequest(req, next, schema);
}

function validateResetToken(req, res, next) {
  accountService.validateResetToken(req.body)
    .then(() => res.json({ message: 'Token is valid' }))
    .catch(next);
}

function resetPasswordSchema(req, res, next) {
  const schema = Joi.object({
    token: Joi.string().required(),
    password: Joi.string().min(6).required(),
    confirmPassword: Joi.string().valid(Joi.ref('password')).required()
  });
  validateRequest(req, next, schema);
}

function resetPassword(req, res, next) {
  accountService.resetPassword(req.body)
    .then(() => res.json({ message: 'Password reset successful, you can now login' }))
    .catch(next);
}