<?php
/**
 * Copyright since 2007 PrestaShop SA and Contributors
 * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Academic Free License version 3.0
 * that is bundled with this package in the file LICENSE.md.
 * It is also available through the world-wide-web at this URL:
 * https://opensource.org/licenses/AFL-3.0
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@prestashop.com so we can send you a copy immediately.
 *
 * @author    PrestaShop SA and Contributors <contact@prestashop.com>
 * @copyright Since 2007 PrestaShop SA and Contributors
 * @license   https://opensource.org/licenses/AFL-3.0 Academic Free License version 3.0
 */

/**
 * @since 1.5.0
 */
class Ps_EmailAlertsActionsModuleFrontController extends ModuleFrontController
{
    /**
     * @var int
     */
    public $id_product;
    public $id_product_attribute;

    public function init()
    {
        parent::init();

        require_once $this->module->getLocalPath() . 'MailAlert.php';
        $this->id_product = (int) Tools::getValue('id_product');
        $this->id_product_attribute = (int) Tools::getValue('id_product_attribute');
    }

    public function postProcess()
    {
        if (Tools::getValue('process') == 'remove') {
            $this->processRemove();
        } elseif (Tools::getValue('process') == 'add') {
            $this->processAdd();
        } elseif (Tools::getValue('process') == 'check') {
            $this->processCheck();
        }
    }

    /**
     * Remove product alert.
     * Prints 0 if success
     */
    public function processRemove()
    {
        // check if product exists
        $product = new Product($this->id_product);
        if (!Validate::isLoadedObject($product)) {
            exit('1');
        }

        $context = Context::getContext();
        if (MailAlert::deleteAlert(
            (int) $context->customer->id,
            (string) $context->customer->email,
            (int) $product->id,
            (int) $this->id_product_attribute,
            (int) $context->shop->id
        )) {
            exit('0');
        }

        exit('1');
    }

    /**
     * Add a favorite product.
     */
    public function processAdd()
    {
        $context = Context::getContext();

        if ($context->customer->isLogged()) {
            $id_customer = (int) $context->customer->id;
            $customer = new Customer($id_customer);
            $customer_email = (string) $customer->email;
        } elseif (Validate::isEmail((string) Tools::getValue('customer_email'))) {
            $customer_email = (string) Tools::getValue('customer_email');
            $customer = $context->customer->getByEmail($customer_email);
            $id_customer = (isset($customer->id) && ($customer->id != null)) ? (int) $customer->id : 0;
        } else {
            exit(json_encode(
                [
                    'error' => true,
                    'message' => $this->trans('Your email address is invalid.', [], 'Modules.Emailalerts.Shop'),
                ]
            ));
        }

        $id_product = (int) Tools::getValue('id_product');
        $id_product_attribute = (int) Tools::getValue('id_product_attribute');
        $id_shop = (int) $context->shop->id;
        $id_lang = (int) $context->language->id;
        $product = new Product($id_product, false, $id_lang, $id_shop, $context);

        $mail_alert = MailAlert::customerHasNotification($id_customer, $id_product, $id_product_attribute, $id_shop, null, $customer_email);

        if ($mail_alert) {
            exit(json_encode(
                [
                    'error' => true,
                    'message' => $this->trans('You already have set an alert for this product.', [], 'Modules.Emailalerts.Shop'),
                ]
            ));
        } elseif (!Validate::isLoadedObject($product)) {
            exit(json_encode(
                [
                    'error' => true,
                    'message' => $this->trans('Your email address is invalid.', [], 'Modules.Emailalerts.Shop'),
                ]
            ));
        }

        $mail_alert = new MailAlert();

        $mail_alert->id_customer = $id_customer;
        $mail_alert->customer_email = $customer_email;
        $mail_alert->id_product = $id_product;
        $mail_alert->id_product_attribute = $id_product_attribute;
        $mail_alert->id_shop = $id_shop;
        $mail_alert->id_lang = $id_lang;

        if ($mail_alert->add() !== false) {
            exit(json_encode(
                [
                    'error' => false,
                    'message' => $this->trans('Request notification registered', [], 'Modules.Emailalerts.Shop'),
                ]
            ));
        }

        exit(json_encode(
            [
                'error' => true,
                'message' => $this->trans('Your email address is invalid.', [], 'Modules.Emailalerts.Shop'),
            ]
        ));
    }

    /**
     * Add a favorite product.
     */
    public function processCheck()
    {
        if (!(int) $this->context->customer->logged) {
            exit('0');
        }

        $id_customer = (int) $this->context->customer->id;

        if (!$id_product = (int) Tools::getValue('id_product')) {
            exit('0');
        }

        $id_product_attribute = (int) Tools::getValue('id_product_attribute');

        if (MailAlert::customerHasNotification($id_customer, $id_product, $id_product_attribute, (int) $this->context->shop->id)) {
            exit('1');
        }

        exit('0');
    }
}