<?php
class ControllerCheckoutPaymentMethod extends Controller {

    public function index() {



        $this->language->load('checkout/checkout');
        $this->load->model('account/address');

        if ($this->customer->isLogged() && isset($this->session->data['payment_address_id'])) {
            $payment_address = $this->model_account_address->getAddress($this->session->data['payment_address_id']);
        } elseif (isset($this->session->data['guest']) && isset($this->session->data['guest']['payment'])) {
            $payment_address = $this->session->data['guest']['payment'];
        } else {
            $payment_address['country_id'] = $this->config->get('config_country_id');
            $payment_address['zone_id'] = $this->config->get('config_zone_id');
        }

        if (!empty($payment_address)) {
            // Totals
            $totals = array();
            $taxes = $this->cart->getTaxes();
            $total = 0;

            // Because __call can not keep var references so we put them into an array.
            $total_data = array(
                'totals' => &$totals,
                'taxes'  => &$taxes,
                'total'  => &$total
            );

            $this->load->model('extension/extension');
            $sort_order = array();

            $results = $this->model_extension_extension->getExtensions('total');

            foreach ($results as $key => $value) {
                $sort_order[$key] = $this->config->get($value['code'] . '_sort_order');
            }

            array_multisort($sort_order, SORT_ASC, $results);

            foreach ($results as $result) {
                if ($this->config->get($result['code'] . '_status')) { //t.i. - ja payments ir ENABLED.
                    $this->load->model('extension/total/' . $result['code']);
                    $this->{'model_extension_total_' . $result['code']}->getTotal($total_data, $total, $taxes);
                }
            }

            // Payment Methods
            $method_data = array();

            $this->load->model('extension/extension');

            $results = $this->model_extension_extension->getExtensions('payment');



            foreach ($results as $result) {
                $this->language->set('text_title', $result['code']);
                if ($this->config->get($result['code'] . '_status')) {
                    $this->load->model('extension/payment/' . $result['code']);
                    $method = $this->{'model_extension_payment_' . $result['code']}->getMethod($payment_address, $total);

                    if ($method) {
                        $method_data[$result['code']] = $method;
                    }
                }
            }


            $sort_order = array();

            foreach ($method_data as $key => $value) {
                $sort_order[$key] = $value['sort_order'];
            }

            array_multisort($sort_order, SORT_ASC, $method_data);
            $this->session->data['payment_methods'] = $method_data;
        }

        $data['text_payment_method'] = $this->language->get('text_payment_method');
        $data['text_comments'] = $this->language->get('text_comments');
        $data['button_continue'] = $this->language->get('button_continue');
        if (empty($this->session->data['payment_methods'])) {
            $data['error_warning'] = sprintf($this->language->get('error_no_payment'), $this->url->link('information/contact'));
        } else {
            $data['error_warning'] = '';
        }
        if (isset($this->session->data['payment_methods'])) {
            $data['payment_methods'] = $this->session->data['payment_methods'];
        } else {
            $data['payment_methods'] = array();
        }

        if (isset($this->session->data['payment_method']['code'])) {
            $data['code'] = $this->session->data['payment_method']['code'];
        } else {
            $data['code'] = '';
        }

        if (isset($this->session->data['comment'])) {
            $data['comment'] = $this->session->data['comment'];
        } else {
            $data['comment'] = '';
        }

        if ($this->config->get('config_checkout_id')) {
            $this->load->model('catalog/information');

            $information_info = $this->model_catalog_information->getInformation($this->config->get('config_checkout_id'));

            if ($information_info) {
                $data['text_agree'] = sprintf($this->language->get('text_agree'), $this->url->link('information/information', 'information_id=' . $this->config->get('config_checkout_id'), 'SSL'), $information_info['title'], $information_info['title']);
            } else {
                $data['text_agree'] = '';
            }
        } else {
            $data['text_agree'] = '';
        }

        if (isset($this->session->data['agree'])) {
            $data['agree'] = $this->session->data['agree'];
        } else {
            $data['agree'] = '';
        }

        // WIP: this is loaded as controller from checkout/checkout/guest. And available from web. Should split in 2 functions!
        $this->response->setOutput($this->load->view('checkout/payment_method', $data));
        return $this->load->view('checkout/payment_method', $data);
    }

    public function validate() {
        $this->language->load('checkout/checkout');
        $json = array();

        // Validate if payment address has been set.
        $this->load->model('account/address');

        if ($this->customer->isLogged() && isset($this->session->data['payment_address_id'])) {
            $payment_address = $this->model_account_address->getAddress($this->session->data['payment_address_id']);
        } elseif (isset($this->session->data['guest'])) {
            $payment_address = $this->session->data['guest']['payment'];
        }

        if (empty($payment_address)) {
            $json['redirect'] = $this->url->link('order/order', '', 'SSL');
        }

        // Validate cart has products and has stock.
        if ((!$this->cart->hasProducts() && empty($this->session->data['vouchers'])) || (!$this->cart->hasStock() && !$this->config->get('config_stock_checkout'))) {
            $json['redirect'] = $this->url->link('checkout/cart');
        }

        // Validate minimum quantity requirments.
        $products = $this->cart->getProducts();

        foreach ($products as $product) {
            $product_total = 0;

            foreach ($products as $product_2) {
                if ($product_2['product_id'] == $product['product_id']) {
                    $product_total += $product_2['quantity'];
                }
            }

            if ($product['minimum'] > $product_total) {
                $json['redirect'] = $this->url->link('checkout/cart');

                break;
            }
        }

        if (!$json) {
            if (!isset($this->request->post['payment_method'])) {
                $json['error']['warning'] = $this->language->get('error_payment');
            } elseif (!isset($this->session->data['payment_methods'][$this->request->post['payment_method']])) {
                $json['error']['warning'] = $this->language->get('error_payment');
            }

            if ($this->config->get('config_checkout_id')) {
                $this->load->model('catalog/information');

                $information_info = $this->model_catalog_information->getInformation($this->config->get('config_checkout_id'));

                if ($information_info && !isset($this->request->post['agree'])) {
                    $json['error']['warning'] = sprintf($this->language->get('error_agree'), $information_info['title']);
                }
            }

            if (!$json) {
                $this->session->data['payment_method'] = $this->session->data['payment_methods'][$this->request->post['payment_method']];

                $this->session->data['comment'] = strip_tags($this->request->post['comment']);
            }
        }

        $this->response->setOutput(json_encode($json));
    }

}
?>
