<?php
class ControllerExtensionPaymentLaybuy extends Controller {
    private array $error = [];

    public function index(): void {
        $this->load->language('extension/payment/laybuy');

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

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

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

        if (($this->request->server['REQUEST_METHOD'] == 'POST') && $this->validate()) {
            unset($this->request->post['laybuy_cron_url'], $this->request->post['laybuy_cron_time']);

            $this->model_setting_setting->editSetting('payment_laybuy', $this->request->post);

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

            $this->response->redirect($this->url->link('marketplace/extension', 'user_token=' . $this->session->data['user_token'] . '&type=payment', true));
        }

        $data['breadcrumbs'] = [];

        $data['breadcrumbs'][] = [
            'text' => $this->language->get('text_home'),
            'href' => $this->url->link('common/dashboard', 'user_token=' . $this->session->data['user_token'], true)
        ];

        $data['breadcrumbs'][] = [
            'text' => $this->language->get('text_extension'),
            'href' => $this->url->link('marketplace/extension', 'user_token=' . $this->session->data['user_token'] . '&type=payment', true)
        ];

        $data['breadcrumbs'][] = [
            'text' => $this->language->get('heading_title'),
            'href' => $this->url->link('extension/payment/laybuy', 'user_token=' . $this->session->data['user_token'], true)
        ];

        $data['action'] = $this->url->link('extension/payment/laybuy', 'user_token=' . $this->session->data['user_token'], true);
        $data['cancel'] = $this->url->link('marketplace/extension', 'user_token=' . $this->session->data['user_token'] . '&type=payment', true);
        $data['fetch'] = $this->url->link('extension/payment/laybuy/fetch', 'user_token=' . $this->session->data['user_token'] . '#reportstab', true);

        if (isset($this->request->post['payment_laybuys_membership_id'])) {
            $data['payment_laybuys_membership_id'] = $this->request->post['payment_laybuys_membership_id'];
        } else {
            $data['payment_laybuys_membership_id'] = $this->config->get('payment_laybuys_membership_id');
        }

        if (isset($this->request->post['payment_laybuy_token'])) {
            $data['payment_laybuy_token'] = $this->request->post['payment_laybuy_token'];
        } elseif ($this->config->has('payment_laybuy_token')) {
            $data['payment_laybuy_token'] = $this->config->get('payment_laybuy_token');
        } else {
            $data['payment_laybuy_token'] = md5(time());
        }

        if (isset($this->request->post['payment_laybuy_min_deposit'])) {
            $data['payment_laybuy_min_deposit'] = $this->request->post['payment_laybuy_min_deposit'];
        } elseif ($this->config->get('payment_laybuy_min_deposit')) {
            $data['payment_laybuy_min_deposit'] = $this->config->get('payment_laybuy_min_deposit');
        } else {
            $data['payment_laybuy_min_deposit'] = '20';
        }

        if (isset($this->request->post['payment_laybuy_max_deposit'])) {
            $data['payment_laybuy_max_deposit'] = $this->request->post['payment_laybuy_max_deposit'];
        } elseif ($this->config->get('payment_laybuy_max_deposit')) {
            $data['payment_laybuy_max_deposit'] = $this->config->get('payment_laybuy_max_deposit');
        } else {
            $data['payment_laybuy_max_deposit'] = '50';
        }

        if (isset($this->request->post['payment_laybuy_max_months'])) {
            $data['payment_laybuy_max_months'] = $this->request->post['payment_laybuy_max_months'];
        } elseif ($this->config->get('payment_laybuy_max_months')) {
            $data['payment_laybuy_max_months'] = $this->config->get('payment_laybuy_max_months');
        } else {
            $data['payment_laybuy_max_months'] = '3';
        }

        if (isset($this->request->post['payment_laybuy_category'])) {
            $data['payment_laybuy_category'] = $this->request->post['payment_laybuy_category'];
        } elseif ($this->config->get('payment_laybuy_category')) {
            $data['payment_laybuy_category'] = $this->config->get('payment_laybuy_category');
        } else {
            $data['payment_laybuy_category'] = [];
        }

        // Categories
        $data['categories'] = [];

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

        foreach ($data['payment_laybuy_category'] as $category_id) {
            $category_info = $this->model_catalog_category->getCategory($category_id);

            if ($category_info) {
                $data['categories'][] = [
                    'category_id' => $category_info['category_id'],
                    'name'        => ($category_info['path']) ? $category_info['path'] . ' &gt; ' . $category_info['name'] : $category_info['name']
                ];
            }
        }

        if (isset($this->request->post['payment_laybuy_xproducts'])) {
            $data['payment_laybuy_xproducts'] = $this->request->post['payment_laybuy_xproducts'];
        } else {
            $data['payment_laybuy_xproducts'] = $this->config->get('payment_laybuy_xproducts');
        }

        if (isset($this->request->post['payment_laybuy_customer_group'])) {
            $data['payment_laybuy_customer_group'] = $this->request->post['payment_laybuy_customer_group'];
        } elseif ($this->config->get('payment_laybuy_customer_group')) {
            $data['payment_laybuy_customer_group'] = $this->config->get('payment_laybuy_customer_group');
        } else {
            $data['payment_laybuy_customer_group'] = [];
        }

        $data['customer_groups'] = [];

        // Customer Groups
        $this->load->model('customer/customer_group');

        foreach ($data['payment_laybuy_customer_group'] as $customer_group_id) {
            $customer_group_info = $this->model_customer_customer_group->getCustomerGroup($customer_group_id);

            if ($customer_group_info) {
                $data['customer_groups'][] = [
                    'customer_group_id' => $customer_group_info['customer_group_id'],
                    'name'              => $customer_group_info['name']
                ];
            }
        }

        if (isset($this->request->post['payment_laybuy_logging'])) {
            $data['payment_laybuy_logging'] = $this->request->post['payment_laybuy_logging'];
        } else {
            $data['payment_laybuy_logging'] = $this->config->get('payment_laybuy_logging');
        }

        if (isset($this->request->post['payment_laybuy_total'])) {
            $data['payment_laybuy_total'] = $this->request->post['payment_laybuy_total'];
        } else {
            $data['payment_laybuy_total'] = $this->config->get('payment_laybuy_total');
        }

        if (isset($this->request->post['payment_laybuy_order_status_id_pending'])) {
            $data['payment_laybuy_order_status_id_pending'] = $this->request->post['payment_laybuy_order_status_id_pending'];
        } elseif ($this->config->get('payment_laybuy_order_status_id_pending')) {
            $data['payment_laybuy_order_status_id_pending'] = $this->config->get('payment_laybuy_order_status_id_pending');
        } else {
            $data['payment_laybuy_order_status_id_pending'] = '1';
        }

        if (isset($this->request->post['payment_laybuy_order_status_id_canceled'])) {
            $data['payment_laybuy_order_status_id_canceled'] = $this->request->post['payment_laybuy_order_status_id_canceled'];
        } elseif ($this->config->get('payment_laybuy_order_status_id_canceled')) {
            $data['payment_laybuy_order_status_id_canceled'] = $this->config->get('payment_laybuy_order_status_id_canceled');
        } else {
            $data['payment_laybuy_order_status_id_canceled'] = '7';
        }

        if (isset($this->request->post['payment_laybuy_order_status_id_processing'])) {
            $data['payment_laybuy_order_status_id_processing'] = $this->request->post['payment_laybuy_order_status_id_processing'];
        } elseif ($this->config->get('payment_laybuy_order_status_id_processing')) {
            $data['payment_laybuy_order_status_id_processing'] = $this->config->get('payment_laybuy_order_status_id_processing');
        } else {
            $data['payment_laybuy_order_status_id_processing'] = '2';
        }

        if (isset($this->request->post['payment_laybuy_gateway_url'])) {
            $data['payment_laybuy_gateway_url'] = $this->request->post['payment_laybuy_gateway_url'];
        } elseif ($this->config->get('payment_laybuy_gateway_url')) {
            $data['payment_laybuy_gateway_url'] = $this->config->get('payment_laybuy_gateway_url');
        } else {
            $data['payment_laybuy_gateway_url'] = 'http://lay-buys.com/gateway/';
        }

        if (isset($this->request->post['payment_laybuy_api_url'])) {
            $data['payment_laybuy_api_url'] = $this->request->post['payment_laybuy_api_url'];
        } elseif ($this->config->get('payment_laybuy_api_url')) {
            $data['payment_laybuy_api_url'] = $this->config->get('payment_laybuy_api_url');
        } else {
            $data['payment_laybuy_api_url'] = 'https://lay-buys.com/report/';
        }

        if (isset($this->request->post['payment_laybuy_geo_zone_id'])) {
            $data['payment_laybuy_geo_zone_id'] = (int)$this->request->post['payment_laybuy_geo_zone_id'];
        } else {
            $data['payment_laybuy_geo_zone_id'] = $this->config->get('payment_laybuy_geo_zone_id');
        }

        if (isset($this->request->post['payment_laybuy_status'])) {
            $data['payment_laybuy_status'] = $this->request->post['payment_laybuy_status'];
        } else {
            $data['payment_laybuy_status'] = $this->config->get('payment_laybuy_status');
        }

        if (isset($this->request->post['payment_laybuy_sort_order'])) {
            $data['payment_laybuy_sort_order'] = $this->request->post['payment_laybuy_sort_order'];
        } else {
            $data['payment_laybuy_sort_order'] = $this->config->get('payment_laybuy_sort_order');
        }

        $data['laybuy_cron_url'] = HTTPS_CATALOG . 'index.php?route=extension/payment/laybuy/cron&token=' . $data['payment_laybuy_token'];

        if ($this->config->get('payment_laybuy_cron_time')) {
            $data['payment_laybuy_cron_time'] = date($this->language->get('datetime_format'), strtotime($this->config->get('laybuy_cron_time')));
        } else {
            $data['payment_laybuy_cron_time'] = $this->language->get('text_no_cron_time');
        }

        if (isset($this->error['warning'])) {
            $data['error_warning'] = $this->error['warning'];
        } else {
            $data['error_warning'] = '';
        }

        if (isset($this->error['laybuys_membership_id'])) {
            $data['error_laybuys_membership_id'] = $this->error['laybuys_membership_id'];
        } else {
            $data['error_laybuys_membership_id'] = '';
        }

        if (isset($this->error['laybuy_token'])) {
            $data['error_laybuy_token'] = $this->error['laybuy_token'];
        } else {
            $data['error_laybuy_token'] = '';
        }

        if (isset($this->error['laybuy_min_deposit'])) {
            $data['error_laybuy_min_deposit'] = $this->error['laybuy_min_deposit'];
        } else {
            $data['error_laybuy_min_deposit'] = '';
        }

        // Order Statuses
        $this->load->model('localisation/order_status');

        $data['order_statuses'] = $this->model_localisation_order_status->getOrderStatuses();

        // Geo Zones
        $this->load->model('localisation/geo_zone');

        $data['geo_zones'] = $this->model_localisation_geo_zone->getGeoZones();

        /* Reports tab */
        if (isset($this->request->get['filter_order_id'])) {
            $filter_order_id = $this->request->get['filter_order_id'];
        } else {
            $filter_order_id = '';
        }

        if (isset($this->request->get['filter_customer'])) {
            $filter_customer = $this->request->get['filter_customer'];
        } else {
            $filter_customer = '';
        }

        if (isset($this->request->get['filter_dp_percent'])) {
            $filter_dp_percent = $this->request->get['filter_dp_percent'];
        } else {
            $filter_dp_percent = '';
        }

        if (isset($this->request->get['filter_months'])) {
            $filter_months = $this->request->get['filter_months'];
        } else {
            $filter_months = '';
        }

        if (isset($this->request->get['filter_status'])) {
            $filter_status = $this->request->get['filter_status'];
        } else {
            $filter_status = '';
        }

        if (isset($this->request->get['filter_date_added'])) {
            $filter_date_added = $this->request->get['filter_date_added'];
        } else {
            $filter_date_added = '';
        }

        if (isset($this->request->get['sort'])) {
            $sort = $this->request->get['sort'];
        } else {
            $sort = 'lt.order_id';
        }

        if (isset($this->request->get['order'])) {
            $order = $this->request->get['order'];
        } else {
            $order = 'DESC';
        }

        if (isset($this->request->get['page'])) {
            $page = (int)$this->request->get['page'];
        } else {
            $page = 1;
        }

        $data['reports'] = [];

        $filter_data = [
            'filter_order_id'   => $filter_order_id,
            'filter_customer'   => $filter_customer,
            'filter_dp_percent' => $filter_dp_percent,
            'filter_months'     => $filter_months,
            'filter_status'     => $filter_status,
            'filter_date_added' => $filter_date_added,
            'sort'              => $sort,
            'order'             => $order,
            'start'             => ($page - 1) * $this->config->get('config_limit_admin'),
            'limit'             => $this->config->get('config_limit_admin')
        ];

        $report_total = $this->model_extension_payment_laybuy->getTotalTransactions($filter_data);

        $results = $this->model_extension_payment_laybuy->getTransactions($filter_data);

        foreach ($results as $result) {
            $customer_url = false;

            $customer_id = $this->model_extension_payment_laybuy->getCustomerIdByOrderId($result['order_id']);

            if ($customer_id) {
                $customer_url = $this->url->link('customer/customer/edit', 'user_token=' . $this->session->data['user_token'] . '&customer_id=' . (int)$customer_id, true);
            }

            $data['reports'][] = [
                'id'            => $result['laybuy_transaction_id'],
                'order_id'      => $result['order_id'],
                'order_url'     => $this->url->link('sale/order/info', 'user_token=' . $this->session->data['user_token'] . '&order_id=' . (int)$result['order_id'], true),
                'customer_name' => $result['firstname'] . ' ' . $result['lastname'],
                'customer_url'  => $customer_url,
                'amount'        => $this->currency->format($result['amount'], $result['currency']),
                'dp_percent'    => $result['downpayment'],
                'months'        => $result['months'],
                'dp_amount'     => $this->currency->format($result['downpayment_amount'], $result['currency']),
                'first_payment' => date($this->language->get('date_format_short'), strtotime($result['first_payment_due'])),
                'last_payment'  => date($this->language->get('date_format_short'), strtotime($result['last_payment_due'])),
                'status'        => $this->model_extension_payment_laybuy->getStatusLabel($result['status']),
                'date_added'    => date($this->language->get('date_format_short'), strtotime($result['date_added'])),
                'view'          => $this->url->link('extension/payment/laybuy/transaction', 'user_token=' . $this->session->data['user_token'] . '&id=' . (int)$result['laybuy_transaction_id'], true)
            ];
        }

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

        $url = '';

        if (isset($this->request->get['filter_order_id'])) {
            $url .= '&filter_order_id=' . urlencode(html_entity_decode($this->request->get['filter_order_id'], ENT_QUOTES, 'UTF-8'));
        }

        if (isset($this->request->get['filter_customer'])) {
            $url .= '&filter_customer=' . urlencode(html_entity_decode($this->request->get['filter_customer'], ENT_QUOTES, 'UTF-8'));
        }

        if (isset($this->request->get['filter_dp_percent'])) {
            $url .= '&filter_dp_percent=' . urlencode(html_entity_decode($this->request->get['filter_dp_percent'], ENT_QUOTES, 'UTF-8'));
        }

        if (isset($this->request->get['filter_months'])) {
            $url .= '&filter_months=' . $this->request->get['filter_months'];
        }

        if (isset($this->request->get['filter_status'])) {
            $url .= '&filter_status=' . $this->request->get['filter_status'];
        }

        if (isset($this->request->get['filter_date_added'])) {
            $url .= '&filter_date_added=' . $this->request->get['filter_date_added'];
        }

        if ($order == 'ASC') {
            $url .= '&order=DESC';
        } else {
            $url .= '&order=ASC';
        }

        if (isset($this->request->get['page'])) {
            $url .= '&page=' . $this->request->get['page'];
        }

        $data['sort_order_id'] = $this->url->link('extension/payment/laybuy', 'user_token=' . $this->session->data['user_token'] . '&sort=lt.order_id' . $url . '#reportstab', true);
        $data['sort_customer'] = $this->url->link('extension/payment/laybuy', 'user_token=' . $this->session->data['user_token'] . '&sort=customer' . $url . '#reportstab', true);
        $data['sort_amount'] = $this->url->link('extension/payment/laybuy', 'user_token=' . $this->session->data['user_token'] . '&sort=lt.amount' . $url . '#reportstab', true);
        $data['sort_dp_percent'] = $this->url->link('extension/payment/laybuy', 'user_token=' . $this->session->data['user_token'] . '&sort=lt.downpayment' . $url . '#reportstab', true);
        $data['sort_months'] = $this->url->link('extension/payment/laybuy', 'user_token=' . $this->session->data['user_token'] . '&sort=lt.months' . $url . '#reportstab', true);
        $data['sort_dp_amount'] = $this->url->link('extension/payment/laybuy', 'user_token=' . $this->session->data['user_token'] . '&sort=lt.downpayment_amount' . $url . '#reportstab', true);
        $data['sort_first_payment'] = $this->url->link('extension/payment/laybuy', 'user_token=' . $this->session->data['user_token'] . '&sort=lt.first_payment_due' . $url . '#reportstab', true);
        $data['sort_last_payment'] = $this->url->link('extension/payment/laybuy', 'user_token=' . $this->session->data['user_token'] . '&sort=lt.last_payment_due' . $url . '#reportstab', true);
        $data['sort_status'] = $this->url->link('extension/payment/laybuy', 'user_token=' . $this->session->data['user_token'] . '&sort=lt.status' . $url . '#reportstab', true);
        $data['sort_date_added'] = $this->url->link('extension/payment/laybuy', 'user_token=' . $this->session->data['user_token'] . '&sort=lt.date_added' . $url . '#reportstab', true);

        $url = '';

        if (isset($this->request->get['filter_order_id'])) {
            $url .= '&filter_order_id=' . $this->request->get['filter_order_id'];
        }

        if (isset($this->request->get['filter_customer'])) {
            $url .= '&filter_customer=' . $this->request->get['filter_customer'];
        }

        if (isset($this->request->get['filter_dp_percent'])) {
            $url .= '&filter_dp_percent=' . $this->request->get['filter_dp_percent'];
        }

        if (isset($this->request->get['filter_months'])) {
            $url .= '&filter_months=' . $this->request->get['filter_months'];
        }

        if (isset($this->request->get['filter_status'])) {
            $url .= '&filter_status=' . $this->request->get['filter_status'];
        }

        if (isset($this->request->get['filter_date_added'])) {
            $url .= '&filter_date_added=' . $this->request->get['filter_date_added'];
        }

        if (isset($this->request->get['sort'])) {
            $url .= '&sort=' . $this->request->get['sort'];
        }

        if (isset($this->request->get['order'])) {
            $url .= '&order=' . $this->request->get['order'];
        }

        $pagination = new \Pagination();
        $pagination->total = $report_total;
        $pagination->page = $page;
        $pagination->limit = $this->config->get('config_limit_admin');
        $pagination->url = $this->url->link('extension/payment/laybuy', 'user_token=' . $this->session->data['user_token'] . $url . '&page={page}#reportstab', true);

        $data['pagination'] = $pagination->render();

        $data['results'] = sprintf($this->language->get('text_pagination'), ($report_total) ? (($page - 1) * $this->config->get('config_limit_admin')) + 1 : 0, ((($page - 1) * $this->config->get('config_limit_admin')) > ($report_total - $this->config->get('config_limit_admin'))) ? $report_total : ((($page - 1) * $this->config->get('config_limit_admin')) + $this->config->get('config_limit_admin')), $report_total, ceil($report_total / $this->config->get('config_limit_admin')));

        $data['filter_order_id'] = $filter_order_id;
        $data['filter_customer'] = $filter_customer;
        $data['filter_dp_percent'] = $filter_dp_percent;
        $data['filter_months'] = $filter_months;
        $data['filter_status'] = $filter_status;
        $data['filter_date_added'] = $filter_date_added;

        $data['sort'] = $sort;
        $data['order'] = $order;

        $data['transaction_statuses'] = $this->model_extension_payment_laybuy->getTransactionStatuses();
        /* End of Reports Tab */

        $data['user_token'] = $this->session->data['user_token'];

        if (isset($this->error['warning'])) {
            $data['error_warning'] = $this->error['warning'];
        } else {
            $data['error_warning'] = '';
        }

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

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

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

        $this->response->setOutput($this->load->view('extension/payment/laybuy', $data));
    }

    public function fetch(): void {
        // Laybuy
        $this->load->model('extension/payment/laybuy');

        $this->model_extension_payment_laybuy->log('Fetching transactions');

        if ($this->user->hasPermission('modify', 'extension/payment/laybuy')) {
            $this->load->language('extension/payment/laybuy');

            $fetched = 0;

            $paypal_profile_id_array = $this->model_extension_payment_laybuy->getPayPalProfileIds();

            if ($paypal_profile_id_array) {
                $paypal_profile_ids = '';

                foreach ($paypal_profile_id_array as $profile_id) {
                    $paypal_profile_ids .= $profile_id['paypal_profile_id'] . ',';
                }

                $paypal_profile_ids = rtrim($paypal_profile_ids, ',');

                $data_string = 'mid=' . $this->config->get('payment_laybuys_membership_id') . '&' . 'profileIds=' . $paypal_profile_ids;

                $this->model_extension_payment_laybuy->log('Data String: ' . $data_string);

                $this->model_extension_payment_laybuy->log('API URL: ' . $this->config->get('payment_laybuy_api_url'));

                $ch = curl_init();

                curl_setopt($ch, CURLOPT_URL, $this->config->get('payment_laybuy_api_url'));
                curl_setopt($ch, CURLOPT_POST, true);
                curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
                curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
                curl_setopt($ch, CURLOPT_HEADER, false);
                curl_setopt($ch, CURLOPT_TIMEOUT, 30);
                curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);

                $result = curl_exec($ch);

                if (curl_errno($ch)) {
                    $this->model_extension_payment_laybuy->log('cURL error: ' . curl_errno($ch));
                }

                curl_close($ch);

                $results = json_decode($result, true);

                $this->model_extension_payment_laybuy->log('Response: ' . print_r($results, true));

                if ($results) {
                    foreach ($results as $laybuy_ref_id => $reports) {
                        $status = $reports['status'];

                        $report = $reports['report'];

                        $transaction = $this->model_extension_payment_laybuy->getTransactionByLayBuyRefId($laybuy_ref_id);

                        $order_id = $transaction['order_id'];

                        $paypal_profile_id = $transaction['paypal_profile_id'];

                        $months = $transaction['months'];

                        $report_content = [];

                        $pending_flag = false;

                        $next_payment_status = $this->language->get('text_status_1');

                        foreach ($report as $month => $payment) {
                            $payment['paymentDate'] = date('Y-m-d h:i:s', strtotime(str_replace('/', '-', $payment['paymentDate'])));
                            $date = date($this->language->get('date_format_short'), strtotime($payment['paymentDate']));
                            $next_payment_date = $payment['paymentDate'];

                            if ($payment['type'] == 'd') {
                                $report_content[] = [
                                    'instalment'  => 0,
                                    'amount'      => $this->currency->format($payment['amount'], $transaction['currency']),
                                    'date'        => $date,
                                    'pp_trans_id' => $payment['txnID'],
                                    'status'      => $payment['paymentStatus']
                                ];
                            } elseif ($payment['type'] == 'p') {
                                $pending_flag = true;

                                $report_content[] = [
                                    'instalment'  => $month,
                                    'amount'      => $this->currency->format($payment['amount'], $transaction['currency']),
                                    'date'        => $date,
                                    'pp_trans_id' => $payment['txnID'],
                                    'status'      => $payment['paymentStatus']
                                ];

                                $next_payment_status = $payment['paymentStatus'];
                            }
                        }

                        if ($pending_flag) {
                            $start_index = $month + 1;
                        } else {
                            $start_index = $month + 2;
                        }

                        if ($month < $months) {
                            for ($month = 1; $month <= $months; $month++) {
                                $next_payment_date = date('Y-m-d h:i:s', strtotime($next_payment_date . ' +1 month'));
                                $date = date($this->language->get('date_format_short'), strtotime($next_payment_date));

                                $report_content[] = [
                                    'instalment'  => $month,
                                    'amount'      => $this->currency->format($transaction['payment_amounts'], $transaction['currency']),
                                    'date'        => $date,
                                    'pp_trans_id' => '',
                                    'status'      => $next_payment_status
                                ];
                            }
                        }

                        $report_content = json_encode($report_content);

                        switch ($status) {
                            case -1: // Cancel
                                $this->model_extension_payment_laybuy->log('Transaction #' . $transaction['laybuy_transaction_id'] . ' canceled');
                                $this->model_extension_payment_laybuy->updateOrderStatus($order_id, $this->config->get('payment_laybuy_order_status_id_canceled'), $this->language->get('text_comment'));
                                $this->model_extension_payment_laybuy->updateTransaction($transaction['laybuy_transaction_id'], '7', $report_content, $start_index);

                                $fetched++;
                                break;
                            case 0: // Pending
                                $this->model_extension_payment_laybuy->log('Transaction #' . $transaction['laybuy_transaction_id'] . ' still pending');
                                $this->model_extension_payment_laybuy->updateTransaction($transaction['laybuy_transaction_id'], $transaction['status'], $report_content, $start_index);

                                $fetched++;
                                break;
                            case 1: // Paid
                                $this->model_extension_payment_laybuy->log('Transaction #' . $transaction['laybuy_transaction_id'] . ' paid');
                                $this->model_extension_payment_laybuy->updateOrderStatus($order_id, $this->config->get('payment_laybuy_order_status_id_processing'), $this->language->get('text_comment'));
                                $this->model_extension_payment_laybuy->updateTransaction($transaction['laybuy_transaction_id'], '5', $report_content, $start_index);

                                $fetched++;
                                break;
                        }
                    }
                }

                if ($fetched) {
                    $this->session->data['success'] = sprintf($this->language->get('text_fetched_some'), $fetched);
                } else {
                    $this->session->data['success'] = $this->language->get('text_fetched_none');
                }

                $this->response->redirect($this->url->link('extension/payment/laybuy', 'user_token=' . $this->session->data['user_token'], true));
            } else {
                $this->model_extension_payment_laybuy->log('No PayPal Profile IDs to update');

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

                $this->response->redirect($this->url->link('extension/payment/laybuy', 'user_token=' . $this->session->data['user_token'], true));
            }
        } else {
            $this->model_extension_payment_laybuy->log('User does not have permission');
        }
    }

    public function install(): void {
        if ($this->user->hasPermission('modify', 'marketplace/extension')) {
            // Laybuy
            $this->load->model('extension/payment/laybuy');

            $this->model_extension_payment_laybuy->install();
        }
    }

    public function uninstall(): void {
        if ($this->user->hasPermission('modify', 'marketplace/extension')) {
            // Laybuy
            $this->load->model('extension/payment/laybuy');

            $this->model_extension_payment_laybuy->uninstall();
        }
    }

    public function transaction($order_page = false) {
        $this->load->language('extension/payment/laybuy');

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

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

        $data['id'] = $id;

        if (!$order_page) {
            $this->document->setTitle($this->language->get('heading_transaction_title'));
        }

        $data['breadcrumbs'] = [];

        $data['breadcrumbs'][] = [
            'text' => $this->language->get('text_home'),
            'href' => $this->url->link('common/dashboard', 'user_token=' . $this->session->data['user_token'], true)
        ];

        $data['breadcrumbs'][] = [
            'text' => $this->language->get('text_extension'),
            'href' => $this->url->link('marketplace/extension', 'user_token=' . $this->session->data['user_token'], true)
        ];

        $data['breadcrumbs'][] = [
            'text' => $this->language->get('heading_title'),
            'href' => $this->url->link('extension/payment/laybuy', 'user_token=' . $this->session->data['user_token'] . '#reportstab', true)
        ];

        $data['breadcrumbs'][] = [
            'text' => $this->language->get('heading_transaction_title'),
            'href' => $this->url->link('extension/payment/laybuy/transaction', 'user_token=' . $this->session->data['user_token'] . '&id=' . $id, true)
        ];

        $data['heading_title'] = $this->language->get('heading_transaction_title');

        $data['button_cancel'] = $this->language->get('button_cancel');

        $data['cancel'] = $this->url->link('extension/payment/laybuy', 'user_token=' . $this->session->data['user_token'] . '#reportstab', true);

        $transaction_info = $this->model_extension_payment_laybuy->getTransaction($id);

        if ($transaction_info) {
            $data['initial_payments'] = $this->model_extension_payment_laybuy->getInitialPayments();

            $data['months'] = $this->model_extension_payment_laybuy->getMonths();

            $data['currency_symbol_left'] = $this->currency->getSymbolLeft($transaction_info['currency']);
            $data['currency_symbol_right'] = $this->currency->getSymbolRight($transaction_info['currency']);

            $data['store_url'] = HTTPS_CATALOG;

            $data['api_key'] = $this->getApiKey();

            // Order
            $this->load->model('sale/order');

            $order = $this->model_sale_order->getOrder($transaction_info['order_id']);

            $data['order_info'] = [
                'currency_value' => $order['currency_value']
            ];

            $data['total'] = $this->model_extension_payment_laybuy->getRemainingAmount($transaction_info['amount'], $transaction_info['downpayment_amount'], $transaction_info['payment_amounts'], $transaction_info['transaction']);

            $data['transaction'] = [
                'paypal_profile_id'  => $transaction_info['paypal_profile_id'],
                'laybuy_ref_no'      => $transaction_info['laybuy_ref_no'],
                'order_id'           => $transaction_info['order_id'],
                'firstname'          => $transaction_info['firstname'],
                'lastname'           => $transaction_info['lastname'],
                'email'              => $transaction_info['email'],
                'address'            => $transaction_info['address'],
                'suburb'             => $transaction_info['suburb'],
                'state'              => $transaction_info['state'],
                'country'            => $transaction_info['country'],
                'postcode'           => $transaction_info['postcode'],
                'status_id'          => $transaction_info['status'],
                'status'             => $this->model_extension_payment_laybuy->getStatusLabel($transaction_info['status']),
                'amount'             => $this->currency->format($transaction_info['amount'], $transaction_info['currency']),
                'remaining'          => $this->currency->format($this->model_extension_payment_laybuy->getRemainingAmount($transaction_info['amount'], $transaction_info['downpayment_amount'], $transaction_info['payment_amounts'], $transaction_info['transaction']), $transaction_info['currency']),
                'downpayment'        => $transaction_info['downpayment'],
                'months'             => $transaction_info['months'],
                'downpayment_amount' => $this->currency->format($transaction_info['downpayment_amount'], $transaction_info['currency']),
                'payment_amounts'    => $this->currency->format($transaction_info['payment_amounts'], $transaction_info['currency']),
                'first_payment_due'  => date($this->language->get('date_format_short'), strtotime($transaction_info['first_payment_due'])),
                'last_payment_due'   => date($this->language->get('date_format_short'), strtotime($transaction_info['last_payment_due'])),
                'report'             => json_decode($transaction_info['report'], true)
            ];
        } else {
            $data['transaction'] = [];
        }

        $data['user_token'] = $this->session->data['user_token'];

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

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

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

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

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

        if ($order_page) {
            return $data;
        }

        $this->response->setOutput($this->load->view('extension/payment/laybuy_transaction', $data));
    }

    public function cancel(): void {
        // Laybuy
        $this->load->model('extension/payment/laybuy');

        $this->model_extension_payment_laybuy->log('Canceling transaction');

        if ($this->request->get['source'] == 'order') {
            $this->model_extension_payment_laybuy->log('Called from order page');
        } else {
            $this->model_extension_payment_laybuy->log('Called from extension page');
        }

        if ($this->user->hasPermission('modify', 'extension/payment/laybuy')) {
            $this->load->language('extension/payment/laybuy');

            $json = [];

            $id = (int)$this->request->get['id'];

            $transaction_info = $this->model_extension_payment_laybuy->getTransaction($id);

            $cancel = false;

            if (!$transaction_info['paypal_profile_id']) {
                $this->model_extension_payment_laybuy->log('Transaction has no paypal_profile_id');

                $cancel = true;
            }

            if (!$cancel) {
                $data_string = 'mid=' . $this->config->get('payment_laybuys_membership_id') . '&' . 'paypal_profile_id=' . $transaction_info['paypal_profile_id'];

                $this->model_extension_payment_laybuy->log('Data String: ' . $data_string);

                $ch = curl_init();

                $url = 'https://lay-buys.com/vtmob/deal5cancel.php';

                curl_setopt($ch, CURLOPT_URL, $url);
                curl_setopt($ch, CURLOPT_POST, true);
                curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
                curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
                curl_setopt($ch, CURLOPT_HEADER, false);
                curl_setopt($ch, CURLOPT_TIMEOUT, 30);
                curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);

                $result = curl_exec($ch);

                if (curl_errno($ch)) {
                    $this->model_extension_payment_laybuy->log('cURL error: ' . curl_errno($ch));
                }

                curl_close($ch);

                $this->model_extension_payment_laybuy->log('Response: ' . $result);

                if ($result == 'success') {
                    $this->model_extension_payment_laybuy->log('Success');

                    $cancel = true;
                } else {
                    $this->model_extension_payment_laybuy->log('Failure');
                }
            }

            if ($cancel) {
                $this->model_extension_payment_laybuy->log('Transaction canceled');

                $report_content = json_decode($transaction_info['report'], true);

                foreach ($report_content as &$array) {
                    $array['status'] = str_replace('Pending', 'Canceled', $array['status']);
                }

                $report_content = json_encode($report_content);

                $this->model_extension_payment_laybuy->updateTransaction($transaction_info['laybuy_transaction_id'], '7', $report_content, $transaction_info['transaction']);

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

                $json['order_id'] = $transaction_info['order_id'];

                $json['order_status_id'] = $this->config->get('payment_laybuy_order_status_id_canceled');

                $json['comment'] = sprintf($this->language->get('text_comment_canceled'), $transaction_info['paypal_profile_id']);
            } else {
                $json['error'] = $this->language->get('text_cancel_failure');
            }

            if ($this->request->get['source'] == 'order') {
                $json['reload'] = $this->url->link('sale/order/info', 'order_id=' . (int)$transaction_info['order_id'] . '&user_token=' . $this->session->data['user_token'], true);
            } else {
                $json['reload'] = $this->url->link('extension/payment/laybuy/transaction', 'user_token=' . $this->session->data['user_token'] . '&id=' . $id, true);
            }

            $this->response->addHeader('Content-Type: application/json');
            $this->response->setOutput(json_encode($json));
        } else {
            $this->model_extension_payment_laybuy->log('User does not have permission');
        }
    }

    public function revise(): void {
        // Laybuy
        $this->load->model('extension/payment/laybuy');

        $this->model_extension_payment_laybuy->log('Revising transaction');

        if ($this->request->get['source'] == 'order') {
            $this->model_extension_payment_laybuy->log('Called from order page');
        } else {
            $this->model_extension_payment_laybuy->log('Called from extension page');
        }

        if ($this->user->hasPermission('modify', 'extension/payment/laybuy')) {
            if ($this->request->server['REQUEST_METHOD'] == 'POST') {
                $this->load->language('extension/payment/laybuy');

                $json = [];

                $payment_type = $this->request->post['payment_type'];

                $amount = $this->request->post['amount'];

                $initial = $this->request->post['INIT'];

                $months = $this->request->post['MONTHS'];

                $id = $this->request->get['id'];

                $transaction_info = $this->model_extension_payment_laybuy->getTransaction($id);

                $original = $new = $transaction_info;

                $original['transaction_id'] = $new['transaction_id'] = $transaction_info['laybuy_transaction_id'];

                $original['payment_type'] = $new['payment_type'] = $payment_type;

                $original['type'] = 'Original';

                $new['type'] = 'New';
                $new['status'] = '50';
                $new['amount'] = $amount;
                $new['downpayment'] = $initial;
                $new['months'] = $months;

                $collection = $this->model_extension_payment_laybuy->getRevisedTransactions($id);

                $this->model_extension_payment_laybuy->log('Collection: ' . print_r($collection, true));

                if (count($collection) == 2) {
                    $this->model_extension_payment_laybuy->log('Collection == 2');

                    foreach ($collection as $request) {
                        $this->model_extension_payment_laybuy->log('request: ' . print_r($request, true));

                        if ($request['type'] == 'Original') {
                            $this->model_extension_payment_laybuy->log('Original: ' . print_r($original, true));

                            $this->model_extension_payment_laybuy->updateRevisedTransaction($id, $original);
                        } elseif ($request['type'] == 'New') {
                            $this->model_extension_payment_laybuy->log('New: ' . print_r($new, true));

                            $this->model_extension_payment_laybuy->updateRevisedTransaction($id, $new);

                            $revised_transaction = $this->model_extension_payment_laybuy->getRevisedTransaction($id);
                        }
                    }
                } else {
                    $this->model_extension_payment_laybuy->log('Collection != 2');

                    $this->model_extension_payment_laybuy->addRevisedTransaction($original);

                    $laybuy_revise_request_id = $this->model_extension_payment_laybuy->addRevisedTransaction($new);

                    $this->model_extension_payment_laybuy->log('$laybuy_revise_request_id: ' . $laybuy_revise_request_id);

                    $revised_transaction = $this->model_extension_payment_laybuy->getRevisedTransaction($laybuy_revise_request_id);
                }

                $this->model_extension_payment_laybuy->log('Revised transaction: ' . print_r($revised_transaction, true));

                if ($revised_transaction['payment_type'] == '1') {
                    $pp = '1';
                    $pplan = '1';
                } else {
                    $pp = '0';
                    $pplan = '0';
                }

                $post_data = [];

                $post_data['mid'] = $this->config->get('payment_laybuys_membership_id');
                $post_data['eml'] = $revised_transaction['email'];
                $post_data['prc'] = $revised_transaction['amount'];
                $post_data['curr'] = $revised_transaction['currency'];
                $post_data['pp'] = $pp;
                $post_data['pplan'] = $pplan;
                $post_data['init'] = $initial;
                $post_data['mnth'] = $months;
                $post_data['convrate'] = '1';
                $post_data['id'] = $revised_transaction['laybuy_revise_request_id'] . '-' . $revised_transaction['order_id'] . ':' . md5($this->config->get('payment_laybuy_token'));
                $post_data['RETURNURL'] = HTTPS_CATALOG . 'index.php?route=extension/payment/laybuy/reviseCallback';
                $post_data['CANCELURL'] = HTTPS_CATALOG . 'index.php?route=extension/payment/laybuy/reviseCancel';

                $data_string = '';

                foreach ($post_data as $param => $value) {
                    $data_string .= $param . '=' . $value . '&';
                }

                $data_string = rtrim($data_string, '&');

                $this->model_extension_payment_laybuy->log('Data String: ' . $data_string);

                $ch = curl_init();

                $url = 'https://lay-buys.com/vtmob/deal5.php';

                curl_setopt($ch, CURLOPT_URL, $url);
                curl_setopt($ch, CURLOPT_POST, true);
                curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
                curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
                curl_setopt($ch, CURLOPT_HEADER, false);
                curl_setopt($ch, CURLOPT_TIMEOUT, 30);
                curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);

                $result = curl_exec($ch);

                if (curl_errno($ch)) {
                    $this->model_extension_payment_laybuy->log('cURL error: ' . curl_errno($ch));
                }

                curl_close($ch);

                if ($result == 'success') {
                    $this->model_extension_payment_laybuy->log('Success');

                    $this->model_extension_payment_laybuy->updateTransactionStatus($id, '50');

                    $json['success'] = $this->language->get('text_revise_success');
                } else {
                    $this->model_extension_payment_laybuy->log('Failure');

                    $this->model_extension_payment_laybuy->log('Response: ' . print_r($result, true));

                    $json['error'] = $this->language->get('text_revise_failure');
                }

                if ($this->request->get['source'] == 'order') {
                    $json['reload'] = $this->url->link('sale/order/info', 'order_id=' . (int)$transaction_info['order_id'] . '&user_token=' . $this->session->data['user_token'], true);
                } else {
                    $json['reload'] = $this->url->link('extension/payment/laybuy/transaction', 'user_token=' . $this->session->data['user_token'] . '&id=' . $id, true);
                }

                $this->response->addHeader('Content-Type: application/json');
                $this->response->setOutput(json_encode($json));
            } else {
                $this->model_extension_payment_laybuy->log('No $_POST data');
            }
        } else {
            $this->model_extension_payment_laybuy->log('User does not have permission');
        }
    }

    public function autocomplete(): void {
        $json = [];

        if (isset($this->request->get['filter_customer_group'])) {
            // Laybuy
            $this->load->model('customer/customer_group');

            $results = $this->model_customer_customer_group->getCustomerGroups();

            foreach ($results as $result) {
                $json[] = [
                    'customer_group_id' => $result['customer_group_id'],
                    'name'              => strip_tags(html_entity_decode($result['name'], ENT_QUOTES, 'UTF-8'))
                ];
            }
        }

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

    public function order(): string {
        if ($this->config->get('payment_laybuy_status')) {
            $this->load->language('extension/payment/laybuy');

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

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

            $transaction_info = $this->model_extension_payment_laybuy->getTransactionByOrderId($order_id);
            $laybuy_transaction_id = $transaction_info['laybuy_transaction_id'];
            $this->request->get['id'] = $laybuy_transaction_id;

            $data = $this->transaction(true);
            $data['store_url'] = HTTPS_CATALOG;
            $data['api_key'] = $this->getApiKey();

            return $this->load->view('extension/payment/laybuy_order', $data);
        } else {
            return '';
        }
    }

    private function getApiKey() {
        // API login
        $this->load->model('user/api');

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

        $this->model_extension_payment_laybuy->log('Getting API key');

        $api_info = $this->model_user_api->getApi($this->config->get('config_api_id'));

        if ($api_info) {
            $this->model_extension_payment_laybuy->log('API key: ' . $api_info['key']);

            return $api_info['key'];
        } else {
            $this->model_extension_payment_laybuy->log('No API info');

            return '';
        }
    }

    protected function validate() {
        if (!$this->user->hasPermission('modify', 'extension/payment/laybuy')) {
            $this->error['warning'] = $this->language->get('error_permission');
        }

        if (!$this->request->post['payment_laybuys_membership_id']) {
            $this->error['laybuys_membership_id'] = $this->language->get('error_membership_id');
        }

        if (!$this->request->post['payment_laybuy_token']) {
            $this->error['laybuy_token'] = $this->language->get('error_token');
        }

        if ($this->request->post['payment_laybuy_min_deposit'] > $this->request->post['payment_laybuy_max_deposit']) {
            $this->error['laybuy_min_deposit'] = $this->language->get('error_min_deposit');
        }

        return !$this->error;
    }
}