<?php

declare(strict_types=1);

// Ensure this file is not directly accessed
if (!defined('_PS_VERSION_')) {
    exit;
}

/**
 * @property \IbanPro $module 
 */
class IbanProValidationModuleFrontController extends ModuleFrontController
{


    /**
     * Processes the incoming POST request for payment validation.
     * Determines the payment method and delegates to the appropriate handler.
     *
     * @see FrontController::postProcess()
     */
    public function postProcess(): void
    {
        // Set the template to render the form for redirection
        if (
            !Validate::isLoadedObject($this->context->cart) ||
            !Validate::isLoadedObject($this->context->customer) ||
            !Validate::isLoadedObject($this->context->currency) ||
            !$this->module->active // Ensure the module is active
        ) {
            PrestaShopLogger::addLog(
                'banProValidation: Initial validation failed. Cart ID: ' . (int)$this->context->cart->id .
                    ' Customer ID: ' . (int)$this->context->customer->id . ' Module Active: ' . (int)$this->module->active,
                3
            );
            Tools::redirect('index.php?controller=order&step=1');
            return;
        }

        $this->processOrderCreation();
    }

    /**
     * Processes the online payment flow.
     * This method orchestrates the steps for creating an order and redirecting to LiqPay.
     */
    protected function processOrderCreation(): void
    {
        $this->validateCartAndModuleAccess();
        $order = $this->createOrder();

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

    /**
     * Validates the cart and checks if the payment module is authorized for the current cart.
     * Redirects to the order page if validation fails.
     */
    protected function validateCartAndModuleAccess(): void
    {
        // Check cart validity (redundant if init is robust, but good for defensive programming)
        if (
            (int)$this->context->cart->id_customer === 0 ||
            (int)$this->context->cart->id_address_delivery === 0 ||
            (int)$this->context->cart->id_address_invoice === 0 ||
            (int)$this->context->cart->id === 0 // Check for valid cart ID (not null or 0)
        ) {
            PrestaShopLogger::addLog(
                'IbanProValidation: Invalid cart details during validation. Cart ID: ' . (int)$this->context->cart->id,
                3
            );
            Tools::redirect('index.php?controller=order&step=1');
        }

        // Check that this payment option is still available
        $authorized = false;
        foreach (Module::getPaymentModules() as $module) {
            if ($module['name'] === $this->module->name) {
                $authorized = true;
                break;
            }
        }

        if (!$authorized) {
            PrestaShopLogger::addLog(
                'IbanProValidation: Payment method is not authorized for cart ' . (int)$this->context->cart->id,
                3
            );
            // Using die() with l() is acceptable for payment module authorization errors.
            die($this->module->l('This payment method is not available.', 'validation'));
        }
    }

    /**
     * Creates a new PrestaShop order for the current cart.
     *
     * @return \Order The newly created order object.
     * @throws PrestaShopException If order creation fails.
     */
    protected function createOrder(): Order
    {
        try {
            // Validate and create the order
            $this->module->validateOrder(
                (int)$this->context->cart->id,
                Configuration::get('IBANTRANSFER_OS_CREATION'), // Use the appropriate pending status for your module
                (float)$this->context->cart->getOrderTotal(true, Cart::BOTH),
                $this->module->paymentMethodName, // Payment method name for order history
                null, // Message
                null, // Extra vars
                (int)$this->context->currency->id,
                false, // Don't convert currency
                $this->context->customer->secure_key
            );

            // After validateOrder, the module's currentOrder property holds the new order ID
            $order = new Order((int)$this->module->currentOrder);

            if (!Validate::isLoadedObject($order)) {
                throw new PrestaShopException('Failed to load the newly created order.');
            }
            return $order;
        } catch (Throwable $e) {
            PrestaShopLogger::addLog(
                'IbanProValidation: Order creation failed for cart ' . (int)$this->context->cart->id . '. Error: ' . $e->getMessage() . ' Trace: ' . $e->getTraceAsString(),
                4
            );
            Tools::redirect('index.php?controller=order&step=1'); // Redirect to order page on failure
            // In a real scenario, you might want to display a more user-friendly error or log to the user.
        }
    }
}