<?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
 */

/**
 * This Controller receives customer after approval on checkout page
 */
class Ps_CashondeliveryValidationModuleFrontController extends ModuleFrontController
{
    /**
     * {@inheritdoc}
     */
    public $ssl = true;

    /**
     * @var PaymentModule
     */
    public $module;

    /**
     * {@inheritdoc}
     */
    public function postProcess()
    {
        if (false === $this->checkIfContextIsValid() || false === $this->checkIfPaymentOptionIsAvailable()) {
            Tools::redirect($this->context->link->getPageLink(
                'order',
                true,
                (int) $this->context->language->id,
                [
                    'step' => 1,
                ]
            ));
        }

        $customer = new Customer($this->context->cart->id_customer);

        if (false === Validate::isLoadedObject($customer)) {
            Tools::redirect($this->context->link->getPageLink(
                'order',
                true,
                (int) $this->context->language->id,
                [
                    'step' => 1,
                ]
            ));
        }

        $this->module->validateOrder(
            (int) $this->context->cart->id,
            (int) Configuration::getGlobalValue(Ps_Cashondelivery::CONFIG_OS_CASH_ON_DELIVERY),
            (float) $this->context->cart->getOrderTotal(true, Cart::BOTH),
            $this->module->displayName,
            null,
            [],
            (int) $this->context->currency->id,
            false,
            $customer->secure_key
        );

        Tools::redirect($this->context->link->getPageLink(
            'order-confirmation',
            true,
            (int) $this->context->language->id,
            [
                'id_cart' => (int) $this->context->cart->id,
                'id_module' => (int) $this->module->id,
                'id_order' => (int) $this->module->currentOrder,
                'key' => $customer->secure_key,
            ]
        ));
    }

    /**
     * Check if the context is valid
     * - Cart is loaded
     * - Cart has a Customer
     * - Cart has a delivery address
     * - Cart has an invoice address
     * - Cart doesn't contains virtual product
     *
     * @return bool
     */
    private function checkIfContextIsValid()
    {
        return true === Validate::isLoadedObject($this->context->cart)
            && true === Validate::isUnsignedInt($this->context->cart->id_customer)
            && true === Validate::isUnsignedInt($this->context->cart->id_address_delivery)
            && true === Validate::isUnsignedInt($this->context->cart->id_address_invoice)
            && false === $this->context->cart->isVirtualCart();
    }

    /**
     * Check that this payment option is still available in case the customer changed
     * his address just before the end of the checkout process
     *
     * @return bool
     */
    private function checkIfPaymentOptionIsAvailable()
    {
        $modules = Module::getPaymentModules();

        if (empty($modules)) {
            return false;
        }

        foreach ($modules as $module) {
            if (isset($module['name']) && $this->module->name === $module['name']) {
                return true;
            }
        }

        return false;
    }
}