<?php
class ControllerCheckoutCart extends Controller {
    public function index() {
        $this->load->language('checkout/cart');

        $this->document->setTitle($this->language->get('heading_title'));

        $data['breadcrumbs'] = array();

        $data['breadcrumbs'][] = array(
            'href' => $this->url->link('common/home'),
            'text' => $this->language->get('text_home')
        );

        $data['breadcrumbs'][] = array(
            'href' => $this->url->link('checkout/cart'),
            'text' => $this->language->get('heading_title')
        );

        if ($this->cart->hasProducts() || !empty($this->session->data['vouchers']) || !empty($this->session->data['recharges'])) {
            if (isset($this->session->data['error'])) {
                $data['error_warning'] = $this->session->data['error'];

                unset($this->session->data['error']);
            } else {
                $data['error_warning'] = '';
            }

            if ($this->config->get('config_customer_price') && !$this->customer->isLogged()) {
                $data['attention'] = sprintf($this->language->get('text_login'), $this->url->link('account/login'), $this->url->link('account/register'));
            } else {
                $data['attention'] = '';
            }

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

                unset($this->session->data['success']);
            } else {
                $data['success'] = '';
            }

            $data['action'] = $this->url->link('checkout/cart/edit');

            if ($this->config->get('config_cart_weight') && !empty((float)$this->cart->getWeight())) {
                $data['weight'] = $this->weight->format($this->cart->getWeight(), $this->config->get('config_weight_class_id'), $this->language->get('decimal_point'), $this->language->get('thousand_point'));
            } else {
                $data['weight'] = '';
            }

            $this->load->model('tool/image');
            $this->load->model('tool/upload');

            $data['products'] = array();

            $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) {
                    $data['error_warning'] = sprintf($this->language->get('error_minimum'), $product['name'], $product['minimum']);
                }

                $image = $this->model_tool_image->resize($product['image'], $this->config->get('theme_' . $this->config->get('config_theme') . '_image_cart_width'), $this->config->get('theme_' . $this->config->get('config_theme') . '_image_cart_height'));

                $option_data = array();

                foreach ($product['option'] as $option) {
                    if ($option['type'] != 'file') {
                        $value = $option['value'];
                    } else {
                        $upload_info = $this->model_tool_upload->getUploadByCode($option['value']);

                        if ($upload_info) {
                            $value = $upload_info['name'];
                        } else {
                            $value = '';
                        }
                    }

                    $option_data[] = array(
                        'name'  => $option['name'],
                        'value' => (utf8_strlen($value) > 20 ? utf8_substr($value, 0, 20) . '..' : $value)
                    );
                }

                // Display prices
                if ($this->customer->isLogged() || !$this->config->get('config_customer_price')) {
                    $unit_price = $this->tax->calculate($product['price'], $product['tax_class_id'], $this->config->get('config_tax'));

                    $price = $this->currency->format($unit_price, $this->session->data['currency']);
                    $total = $this->currency->format($unit_price * $product['quantity'], $this->session->data['currency']);
                } else {
                    $price = false;
                    $total = false;
                }

                $recurring = '';

                if ($product['recurring']) {
                    $frequencies = array(
                        'day'        => $this->language->get('text_day'),
                        'week'       => $this->language->get('text_week'),
                        'semi_month' => $this->language->get('text_semi_month'),
                        'month'      => $this->language->get('text_month'),
                        'year'       => $this->language->get('text_year')
                    );

                    if ($product['recurring']['trial']) {
                        $recurring = sprintf($this->language->get('text_trial_description'), $this->currency->format($this->tax->calculate($product['recurring']['trial_price'] * $product['quantity'], $product['tax_class_id'], $this->config->get('config_tax')), $this->session->data['currency']), $product['recurring']['trial_cycle'], $frequencies[$product['recurring']['trial_frequency']], $product['recurring']['trial_duration']) . ' ';
                    }

                    if ($product['recurring']['duration']) {
                        $recurring .= sprintf($this->language->get('text_payment_description'), $this->currency->format($this->tax->calculate($product['recurring']['price'] * $product['quantity'], $product['tax_class_id'], $this->config->get('config_tax')), $this->session->data['currency']), $product['recurring']['cycle'], $frequencies[$product['recurring']['frequency']], $product['recurring']['duration']);
                    } else {
                        $recurring .= sprintf($this->language->get('text_payment_cancel'), $this->currency->format($this->tax->calculate($product['recurring']['price'] * $product['quantity'], $product['tax_class_id'], $this->config->get('config_tax')), $this->session->data['currency']), $product['recurring']['cycle'], $frequencies[$product['recurring']['frequency']], $product['recurring']['duration']);
                    }
                }

                if ($this->config->get('config_cart_weight') && $product['weight']) {
                    $weight = $this->weight->format($product['weight'], $this->config->get('config_weight_class_id'), $this->language->get('decimal_point'), $this->language->get('thousand_point'));
                } else {
                    $weight = '';
                }

                $data['products'][] = array(
                    'cart_id'   => $product['cart_id'],
                    'weight'   => $weight,
                    'thumb'     => $image,
                    'name'      => $product['name'],
                    'model'     => $product['model'],
                    'option'    => $option_data,
                    'quantity'  => $product['quantity'],
                    'stock'     => $product['stock'] ? true : !(!$this->config->get('config_stock_checkout') || $this->config->get('config_stock_warning')),
                    'reward'    => ($product['reward'] ? sprintf($this->language->get('text_points'), $product['reward']) : ''),
                    'price'     => $price,
                    'total'     => $total,
                    'href'      => $this->url->link('product/product', 'product_id=' . $product['product_id'])
                );
            }


            // Gift Voucher
            $data['vouchers'] = array();

            if (!empty($this->session->data['vouchers'])) {
                foreach ($this->session->data['vouchers'] as $key => $voucher) {
                    $data['vouchers'][] = array(
                        'key'         => $key,
                        'description' => $voucher['description'],
                        'amount'      => $this->currency->format($voucher['amount'], $this->session->data['currency']),
                        'remove'      => $this->url->link('checkout/cart', 'remove=' . $key)
                    );
                }
            }

            // Recharge
            $data['recharges'] = array();

            if (!empty($this->session->data['recharges'])) {
                foreach ($this->session->data['recharges'] as $key => $recharge) {
                    $data['recharges'][] = array(
                        'key'         => $key,
                        'description' => $recharge['description'],
                        'amount'      => $this->currency->format($recharge['amount'], $this->session->data['currency']),
                        'remove'      => $this->url->link('checkout/cart', 'remove=' . $key)
                    );
                }
            }

            $data['totals'] = array();
            list($total, $totals) = $this->getTotalsValue();
            foreach ($totals as $total) {
                $data['totals'][] = array(
                    'title' => $total['title'],
                    'text'  => $this->currency->format($total['value'], $this->session->data['currency'])
                );
            }

            $data['continue'] = $this->url->link('common/home');

            $data['checkout'] = $this->url->link('checkout/checkout');

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

            $data['modules'] = array();

            $files = glob(DIR_APPLICATION . '/controller/extension/total/*.php');

            if ($files) {
                foreach ($files as $file) {
                    $result = $this->load->controller('extension/total/' . basename($file, '.php'));

                    if ($result) {
                        $data['modules'][] = $result;
                    }
                }
            }

            $data['column_left'] = $this->load->controller('common/column_left');
            $data['column_right'] = $this->load->controller('common/column_right');
            $data['content_top'] = $this->load->controller('common/content_top');
            $data['content_bottom'] = $this->load->controller('common/content_bottom');
            $data['footer'] = $this->load->controller('common/footer');
            $data['header'] = $this->load->controller('common/header');

            $this->response->setOutput($this->load->view('checkout/cart', $data));
        } else {
            $data['text_error'] = $this->language->get('text_empty');

            $data['continue'] = $this->url->link('common/home');

            unset($this->session->data['success']);

            $data['column_left'] = $this->load->controller('common/column_left');
            $data['column_right'] = $this->load->controller('common/column_right');
            $data['content_top'] = $this->load->controller('common/content_top');
            $data['content_bottom'] = $this->load->controller('common/content_bottom');
            $data['footer'] = $this->load->controller('common/footer');
            $data['header'] = $this->load->controller('common/header');

            if (config('is_mobile')) {
                $this->response->setOutput($this->load->view('checkout/cart_empty', $data));
                return;
            }

            $this->response->setOutput($this->load->view('error/not_found', $data));
        }
    }

    public function add() {
        $this->load->language('checkout/cart');

        $json = array();

        if (isset($this->request->post['product_id'])) {
            $product_id = (int)$this->request->post['product_id'];
        } else {
            $product_id = 0;
        }

        $this->load->model('catalog/product');

        $product_info = $this->model_catalog_product->getProduct($product_id);

        if ($product_info) {
            if (isset($this->request->post['quantity'])) {
                $quantity = (int)$this->request->post['quantity'];
            } else {
                $quantity = 1;
            }

            if (isset($this->request->post['option'])) {
                $option = array_filter($this->request->post['option']);
            } else {
                $option = array();
            }

            $product_options = $this->model_catalog_product->getProductOptions($this->request->post['product_id']);

            foreach ($product_options as $product_option) {
                if ($product_option['required'] && empty($option[$product_option['product_option_id']])) {
                    $json['error']['option'][$product_option['product_option_id']] = sprintf($this->language->get('error_required'), $product_option['name']);
                }
            }

            if (!$json) {
                if(array_get($this->request->post, 'uncheck_other')) {
                    $cart_id = $this->cart->getCartId($this->request->post['product_id'], $option);
                    if ($cart_id) {
                        $this->cart->update($cart_id, $quantity);
                    } else {
                        $this->cart->add($this->request->post['product_id'], $quantity, $option);
                    }
                } else {
                    $this->cart->add($this->request->post['product_id'], $quantity, $option);
                }

                $json['success'] = sprintf(t('text_success'), $this->url->link('product/product', 'product_id=' . $this->request->post['product_id']), $product_info['name'], $this->url->link('checkout/cart'));

                // Unset all shipping and payment methods
                unset($this->session->data['shipping_method']);
                unset($this->session->data['shipping_methods']);
                unset($this->session->data['payment_method']);
                unset($this->session->data['payment_methods']);

                $json['total'] = $this->formatted_total_text();
            } else {
                $json['redirect'] = str_replace('&amp;', '&', $this->url->link('product/product', 'product_id=' . $this->request->post['product_id']));
            }
        }

        $this->response->addHeader('Content-Type: application/json');
        $this->response->setOutput(json_encode($json));
    }

    public function edit() {
        $this->load->language('checkout/cart');

        $json = array();

        // Update
        if (!empty($this->request->post['quantity'])) {
            foreach ($this->request->post['quantity'] as $key => $value) {
                $this->cart->update($key, $value);
            }

            $this->session->data['success'] = $this->language->get('text_remove');

            unset($this->session->data['shipping_method']);
            unset($this->session->data['shipping_methods']);
            unset($this->session->data['payment_method']);
            unset($this->session->data['payment_methods']);
            unset($this->session->data['reward']);
            unset($this->session->data['credit']);

            $this->response->redirect($this->url->link('checkout/cart'));
        }

        $this->response->addHeader('Content-Type: application/json');
        $this->response->setOutput(json_encode($json));
    }

    public function remove() {
        $this->load->language('checkout/cart');

        $json = array();

        // Remove
        if (isset($this->request->post['key'])) {
            $this->cart->remove($this->request->post['key']);

            unset($this->session->data['vouchers'][$this->request->post['key']]);
            unset($this->session->data['recharges'][$this->request->post['key']]);

            $json['success'] = $this->language->get('text_remove');

            unset($this->session->data['shipping_method']);
            unset($this->session->data['shipping_methods']);
            unset($this->session->data['payment_method']);
            unset($this->session->data['payment_methods']);
            unset($this->session->data['reward']);
            unset($this->session->data['credit']);

            $json['status'] = 1;
            $json['total'] = $this->formatted_total_text();
            $json['message'] = t('text_remove');

            if (!$this->cart->hasProducts()) {
                $json['redirect'] = $this->url->link('checkout/cart');
                $this->json_output($json);
                return;
            }

            if (!$this->cart->hasStock() && (!config('config_stock_checkout') || config('config_stock_warning'))) {
                $json['error'] = $this->language->get('error_stock');
            }

            $json['product_list_html'] = $this->get_product_list_html();
            $json['module_html'] = $this->get_modules_html();
            $json['total_html'] = $this->get_totals_html();
            $json['error'] = $this->get_errors();
        }

        $this->json_output($json);
    }

    public function update() {
        $this->load->language('checkout/cart');

        $json = array();

        // Update
        if (empty($this->request->post['quantity'])) {
            return;
        }

        foreach ($this->request->post['quantity'] as $key => $value) {
            $this->cart->update($key, $value);
        }

        // $json['error_flash'] = $error_flash;

        $json['status'] = 1;
        $json['total'] = $this->formatted_total_text();
        $json['message'] = t('text_remove');

        unset($this->session->data['shipping_method']);
        unset($this->session->data['shipping_methods']);
        unset($this->session->data['payment_method']);
        unset($this->session->data['payment_methods']);
        unset($this->session->data['reward']);
        unset($this->session->data['credit']);

        if (!$this->cart->hasProducts()) {
            $json['redirect'] = $this->url->link('checkout/cart');
            $this->json_output($json);
            return;
        }

        if (!$this->cart->hasStock() && (!config('config_stock_checkout') || config('config_stock_warning'))) {
            $json['error'] = $this->language->get('error_stock');
        }

        $json['product_list_html'] = $this->get_product_list_html();
        $json['module_html'] = $this->get_modules_html();
        $json['total_html'] = $this->get_totals_html();
        $json['error'] = $this->get_errors();

        $this->json_output($json);
    }

    public function doselect()
    {
        $all = $this->request->post['allselect']??null;
        $act = $this->request->post['act']??null;
        $cart_id = $this->request->post['cart_id']??null;
        $do = false;
        if ($cart_id) {
            $this->cart->doselect($cart_id, $act);
            $do = true;
        } else if ($all && is_array($all)) {
            foreach ($all as $k => $v) {
                $this->cart->doselect($k, $v);
            }
            $do = true;
        }
        if ($do) {
            unset($this->session->data['shipping_method']);
            unset($this->session->data['shipping_methods']);
            unset($this->session->data['payment_method']);
            unset($this->session->data['payment_methods']);
            unset($this->session->data['reward']);
            //重新交数总价
            $totals = $this->getTotal();
            $json['totals'] = array();
            foreach ($totals as $total) {
                $json['totals'][] = array(
                    'title' => $total['title'],
                    'text' => $this->currency->format($total['value'], $this->session->data['currency'])
                );
            }
        }
        $json['status'] = 200;
        $json['success'] = 'cart change select success!';
        $this->response->addHeader('Content-Type: application/json');
        $this->response->setOutput(json_encode($json));
    }

    private function getTotal($type = 0)
    {
        $this->load->model('setting/extension');

        $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
        );

        // Display prices
        if ($this->customer->isLogged() || !$this->config->get('config_customer_price')) {
            $sort_order = array();

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

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

            array_multisort($sort_order, SORT_ASC, $results);

            foreach ($results as $result) {
                if ($this->config->get('total_' . $result['code'] . '_status')) {
                    $this->load->model('extension/total/' . $result['code']);

                    // We have to put the totals in an array so that they pass by reference.
                    $this->{'model_extension_total_' . $result['code']}->getTotal($total_data);
                }
            }

            $sort_order = array();

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

            array_multisort($sort_order, SORT_ASC, $totals);
        }
        return $type == 1 ? $total : $totals;
    }

    public function get_modules_html() {
        $files = glob(DIR_APPLICATION.'/controller/extension/total/*.php');
        if (!$files) {
            return;
        }

        $html = '';
        foreach ($files as $file) {
            $result = $this->load->controller('extension/total/'.basename($file, '.php'));
            if ($result) {
                $html .= $result;
            }
        }
        return $html;
    }

    public function get_totals_html() {
        list($total, $totals) = $this->getTotalsValue();
        $data['totals'] = [];
        foreach ($totals as $total) {
            $data['totals'][] = array(
                'title' => $total['title'],
                'text'  => $this->currency->format($total['value'], $this->session->data['currency'])
            );
        }
        return $this->load->view('checkout/cart/_total', $data);
    }

    public function get_product_list_html()
    {
        $this->load->language('checkout/cart');
        $this->load->model('tool/image');

        $data['products'] = array();

        $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) {
                $data['error_warning'] = sprintf($this->language->get('error_minimum'), $product['name'], $product['minimum']);
            }

            $image = $this->model_tool_image->resize($product['image'], $this->config->get('theme_' . $this->config->get('config_theme') . '_image_cart_width'), $this->config->get('theme_' . $this->config->get('config_theme') . '_image_cart_height'));

            $option_data = array();

            foreach ($product['option'] as $option) {
                if ($option['type'] != 'file') {
                    $value = $option['value'];
                } else {
                    $upload_info = $this->model_tool_upload->getUploadByCode($option['value']);

                    if ($upload_info) {
                        $value = $upload_info['name'];
                    } else {
                        $value = '';
                    }
                }

                $option_data[] = array(
                    'name'  => $option['name'],
                    'value' => (utf8_strlen($value) > 20 ? utf8_substr($value, 0, 20) . '..' : $value)
                );
            }

            // Display prices
            if ($this->customer->isLogged() || !$this->config->get('config_customer_price')) {
                $unit_price = $this->tax->calculate($product['price'], $product['tax_class_id'], $this->config->get('config_tax'));

                $price = $this->currency->format($unit_price, $this->session->data['currency']);
                $total = $this->currency->format($unit_price * $product['quantity'], $this->session->data['currency']);
            } else {
                $price = false;
                $total = false;
            }

            $recurring = '';

            if ($product['recurring']) {
                $frequencies = array(
                    'day'        => $this->language->get('text_day'),
                    'week'       => $this->language->get('text_week'),
                    'semi_month' => $this->language->get('text_semi_month'),
                    'month'      => $this->language->get('text_month'),
                    'year'       => $this->language->get('text_year')
                );

                if ($product['recurring']['trial']) {
                    $recurring = sprintf($this->language->get('text_trial_description'), $this->currency->format($this->tax->calculate($product['recurring']['trial_price'] * $product['quantity'], $product['tax_class_id'], $this->config->get('config_tax')), $this->session->data['currency']), $product['recurring']['trial_cycle'], $frequencies[$product['recurring']['trial_frequency']], $product['recurring']['trial_duration']) . ' ';
                }

                if ($product['recurring']['duration']) {
                    $recurring .= sprintf($this->language->get('text_payment_description'), $this->currency->format($this->tax->calculate($product['recurring']['price'] * $product['quantity'], $product['tax_class_id'], $this->config->get('config_tax')), $this->session->data['currency']), $product['recurring']['cycle'], $frequencies[$product['recurring']['frequency']], $product['recurring']['duration']);
                } else {
                    $recurring .= sprintf($this->language->get('text_payment_cancel'), $this->currency->format($this->tax->calculate($product['recurring']['price'] * $product['quantity'], $product['tax_class_id'], $this->config->get('config_tax')), $this->session->data['currency']), $product['recurring']['cycle'], $frequencies[$product['recurring']['frequency']], $product['recurring']['duration']);
                }
            }

            $data['products'][] = array(
                'cart_id'   => $product['cart_id'],
                'thumb'     => $image,
                'weight'     => $product['weight'],
                'name'      => $product['name'],
                'model'     => $product['model'],
                'option'    => $option_data,
                'quantity'  => $product['quantity'],
                'stock'     => $product['stock'] ? true : !(!$this->config->get('config_stock_checkout') || $this->config->get('config_stock_warning')),
                'reward'    => ($product['reward'] ? sprintf($this->language->get('text_points'), $product['reward']) : ''),
                'price'     => $price,
                'total'     => $total,
                'href'      => $this->url->link('product/product', 'product_id=' . $product['product_id'])
            );
        }

        // Gift Voucher
        $data['vouchers'] = array();

        if (!empty($this->session->data['vouchers'])) {
            foreach ($this->session->data['vouchers'] as $key => $voucher) {
                $data['vouchers'][] = array(
                    'key'         => $key,
                    'description' => $voucher['description'],
                    'amount'      => $this->currency->format($voucher['amount'], $this->session->data['currency']),
                    'remove'      => $this->url->link('checkout/cart', 'remove=' . $key)
                );
            }
        }

        // Recharge
        $data['recharges'] = array();

        if (!empty($this->session->data['recharges'])) {
            foreach ($this->session->data['recharges'] as $key => $recharge) {
                $data['recharges'][] = array(
                    'key'         => $key,
                    'description' => $recharge['description'],
                    'amount'      => $this->currency->format($recharge['amount'], $this->session->data['currency']),
                    'remove'      => $this->url->link('checkout/cart', 'remove=' . $key)
                );
            }
        }

        return $this->load->view('checkout/cart/_product_list', $data);
    }

    private function get_errors() {
        $error = null;
        $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) {
                $error = sprintf($this->language->get('error_minimum'), $product['name'], $product['minimum']);
            }
        }

        return $error;
    }

    private function formatted_total_text()
    {
        list($total, $totals) = $this->getTotalsValue();
        $vouchers = isset($this->session->data['vouchers']) ? count($this->session->data['vouchers']) : 0;
        $recharges = isset($this->session->data['recharges']) ? count($this->session->data['recharges']) : 0;
        if (config('is_mobile')) {
            return $this->currency->format($total, $this->session->data['currency']);
        }

        return sprintf(t('text_items'), $this->cart->countProducts() + $vouchers + $recharges, $this->currency->format($total, $this->session->data['currency']));
    }

    private function getTotalsValue()
    {
        $this->load->model('setting/extension');

        $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
        );

        // Display prices
        if ($this->customer->isLogged() || !$this->config->get('config_customer_price')) {
            $sort_order = array();

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

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

            array_multisort($sort_order, SORT_ASC, $results);

            foreach ($results as $result) {
                if ($this->config->get('total_' . $result['code'] . '_status')) {
                    $this->load->model('extension/total/' . $result['code']);

                    // We have to put the totals in an array so that they pass by reference.
                    $this->{'model_extension_total_' . $result['code']}->getTotal($total_data);
                }
            }

            $sort_order = array();

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

            array_multisort($sort_order, SORT_ASC, $totals);
        }

        // $total = 总金额, $totals = 费用明细
        return array($total, $totals);
    }
}
