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

    public function index(): void {
        $this->load->language('marketing/coupon');

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

        // Coupons
        $this->load->model('marketing/coupon');

        $this->getList();
    }

    public function add(): void {
        $this->load->language('marketing/coupon');

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

        // Coupons
        $this->load->model('marketing/coupon');

        if (($this->request->server['REQUEST_METHOD'] == 'POST') && $this->validateForm()) {
            $this->model_marketing_coupon->addCoupon($this->request->post);

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

            $url = '';

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

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

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

            $this->response->redirect($this->url->link('marketing/coupon', 'user_token=' . $this->session->data['user_token'] . $url, true));
        }

        $this->getForm();
    }

    public function edit(): void {
        $this->load->language('marketing/coupon');

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

        // Coupons
        $this->load->model('marketing/coupon');

        if (($this->request->server['REQUEST_METHOD'] == 'POST') && $this->validateForm()) {
            $this->model_marketing_coupon->editCoupon($this->request->get['coupon_id'], $this->request->post);

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

            $url = '';

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

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

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

            $this->response->redirect($this->url->link('marketing/coupon', 'user_token=' . $this->session->data['user_token'] . $url, true));
        }

        $this->getForm();
    }

    public function delete(): void {
        $this->load->language('marketing/coupon');

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

        // Coupons
        $this->load->model('marketing/coupon');

        if (isset($this->request->post['selected']) && $this->validateDelete()) {
            foreach ((array)$this->request->post['selected'] as $coupon_id) {
                $this->model_marketing_coupon->deleteCoupon($coupon_id);
            }

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

            $url = '';

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

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

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

            $this->response->redirect($this->url->link('marketing/coupon', 'user_token=' . $this->session->data['user_token'] . $url, true));
        }

        $this->getList();
    }

    protected function getList() {
        if (isset($this->request->get['sort'])) {
            $sort = $this->request->get['sort'];
        } else {
            $sort = 'name';
        }

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

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

        $url = '';

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

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

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

        $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('heading_title'),
            'href' => $this->url->link('marketing/coupon', 'user_token=' . $this->session->data['user_token'] . $url, true)
        ];

        $data['add'] = $this->url->link('marketing/coupon/add', 'user_token=' . $this->session->data['user_token'] . $url, true);
        $data['delete'] = $this->url->link('marketing/coupon/delete', 'user_token=' . $this->session->data['user_token'] . $url, true);

        $data['coupons'] = [];

        $filter_data = [
            'sort'  => $sort,
            'order' => $order,
            'start' => ($page - 1) * $this->config->get('config_limit_admin'),
            'limit' => $this->config->get('config_limit_admin')
        ];

        $coupon_total = $this->model_marketing_coupon->getTotalCoupons();

        $results = $this->model_marketing_coupon->getCoupons($filter_data);

        foreach ($results as $result) {
            $data['coupons'][] = [
                'coupon_id'  => $result['coupon_id'],
                'name'       => $result['name'],
                'code'       => $result['code'],
                'discount'   => $result['discount'],
                'date_start' => date($this->language->get('date_format_short'), strtotime($result['date_start'])),
                'date_end'   => date($this->language->get('date_format_short'), strtotime($result['date_end'])),
                'status'     => ($result['status'] ? $this->language->get('text_enabled') : $this->language->get('text_disabled')),
                'edit'       => $this->url->link('marketing/coupon/edit', 'user_token=' . $this->session->data['user_token'] . '&coupon_id=' . $result['coupon_id'] . $url, true)
            ];
        }

        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'] = '';
        }

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

        $url = '';

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

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

        $data['sort_name'] = $this->url->link('marketing/coupon', 'user_token=' . $this->session->data['user_token'] . '&sort=name' . $url, true);
        $data['sort_code'] = $this->url->link('marketing/coupon', 'user_token=' . $this->session->data['user_token'] . '&sort=code' . $url, true);
        $data['sort_discount'] = $this->url->link('marketing/coupon', 'user_token=' . $this->session->data['user_token'] . '&sort=discount' . $url, true);
        $data['sort_date_start'] = $this->url->link('marketing/coupon', 'user_token=' . $this->session->data['user_token'] . '&sort=date_start' . $url, true);
        $data['sort_date_end'] = $this->url->link('marketing/coupon', 'user_token=' . $this->session->data['user_token'] . '&sort=date_end' . $url, true);
        $data['sort_status'] = $this->url->link('marketing/coupon', 'user_token=' . $this->session->data['user_token'] . '&sort=status' . $url, true);

        $url = '';

        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 = $coupon_total;
        $pagination->page = $page;
        $pagination->limit = $this->config->get('config_limit_admin');
        $pagination->url = $this->url->link('marketing/coupon', 'user_token=' . $this->session->data['user_token'] . $url . '&page={page}', true);

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

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

        $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('marketing/coupon_list', $data));
    }

    protected function getForm() {
        $data['text_form'] = !isset($this->request->get['coupon_id']) ? $this->language->get('text_add') : $this->language->get('text_edit');

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

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

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

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

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

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

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

        $url = '';

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

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

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

        $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('heading_title'),
            'href' => $this->url->link('marketing/coupon', 'user_token=' . $this->session->data['user_token'] . $url, true)
        ];

        if (!isset($this->request->get['coupon_id'])) {
            $data['action'] = $this->url->link('marketing/coupon/add', 'user_token=' . $this->session->data['user_token'] . $url, true);
        } else {
            $data['action'] = $this->url->link('marketing/coupon/edit', 'user_token=' . $this->session->data['user_token'] . '&coupon_id=' . $this->request->get['coupon_id'] . $url, true);
        }

        $data['cancel'] = $this->url->link('marketing/coupon', 'user_token=' . $this->session->data['user_token'] . $url, true);

        if (isset($this->request->get['coupon_id']) && (!$this->request->server['REQUEST_METHOD'] != 'POST')) {
            $coupon_info = $this->model_marketing_coupon->getCoupon($this->request->get['coupon_id']);
        }

        if (isset($this->request->post['name'])) {
            $data['name'] = $this->request->post['name'];
        } elseif (!empty($coupon_info)) {
            $data['name'] = $coupon_info['name'];
        } else {
            $data['name'] = '';
        }

        if (isset($this->request->post['code'])) {
            $data['code'] = $this->request->post['code'];
        } elseif (!empty($coupon_info)) {
            $data['code'] = $coupon_info['code'];
        } else {
            $data['code'] = '';
        }

        if (isset($this->request->post['type'])) {
            $data['type'] = $this->request->post['type'];
        } elseif (!empty($coupon_info)) {
            $data['type'] = $coupon_info['type'];
        } else {
            $data['type'] = '';
        }

        if (isset($this->request->post['discount'])) {
            $data['discount'] = $this->request->post['discount'];
        } elseif (!empty($coupon_info)) {
            $data['discount'] = $coupon_info['discount'];
        } else {
            $data['discount'] = '';
        }

        if (isset($this->request->post['logged'])) {
            $data['logged'] = $this->request->post['logged'];
        } elseif (!empty($coupon_info)) {
            $data['logged'] = $coupon_info['logged'];
        } else {
            $data['logged'] = '';
        }

        if (isset($this->request->post['shipping'])) {
            $data['shipping'] = $this->request->post['shipping'];
        } elseif (!empty($coupon_info)) {
            $data['shipping'] = $coupon_info['shipping'];
        } else {
            $data['shipping'] = '';
        }

        if (isset($this->request->post['total'])) {
            $data['total'] = $this->request->post['total'];
        } elseif (!empty($coupon_info)) {
            $data['total'] = $coupon_info['total'];
        } else {
            $data['total'] = '';
        }

        if (isset($this->request->post['coupon_product'])) {
            $products = $this->request->post['coupon_product'];
        } elseif (isset($this->request->get['coupon_id'])) {
            $products = $this->model_marketing_coupon->getProducts($this->request->get['coupon_id']);
        } else {
            $products = [];
        }

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

        $data['coupon_product'] = [];

        foreach ($products as $product_id) {
            $product_info = $this->model_catalog_product->getProduct($product_id);

            if ($product_info) {
                $data['coupon_product'][] = [
                    'product_id' => $product_info['product_id'],
                    'name'       => $product_info['name']
                ];
            }
        }

        if (isset($this->request->post['coupon_category'])) {
            $categories = $this->request->post['coupon_category'];
        } elseif (isset($this->request->get['coupon_id'])) {
            $categories = $this->model_marketing_coupon->getCategories($this->request->get['coupon_id']);
        } else {
            $categories = [];
        }

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

        $data['coupon_category'] = [];

        foreach ($categories as $category_id) {
            $category_info = $this->model_catalog_category->getCategory($category_id);

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

        if (isset($this->request->post['date_start'])) {
            $data['date_start'] = $this->request->post['date_start'];
        } elseif (!empty($coupon_info)) {
            $data['date_start'] = ($coupon_info['date_start'] != '0000-00-00' ? $coupon_info['date_start'] : '');
        } else {
            $data['date_start'] = date('Y-m-d', time());
        }

        if (isset($this->request->post['date_end'])) {
            $data['date_end'] = $this->request->post['date_end'];
        } elseif (!empty($coupon_info)) {
            $data['date_end'] = ($coupon_info['date_end'] != '0000-00-00' ? $coupon_info['date_end'] : '');
        } else {
            $data['date_end'] = date('Y-m-d', strtotime('+1 month'));
        }

        if (isset($this->request->post['uses_total'])) {
            $data['uses_total'] = $this->request->post['uses_total'];
        } elseif (!empty($coupon_info)) {
            $data['uses_total'] = $coupon_info['uses_total'];
        } else {
            $data['uses_total'] = 1;
        }

        if (isset($this->request->post['uses_customer'])) {
            $data['uses_customer'] = $this->request->post['uses_customer'];
        } elseif (!empty($coupon_info)) {
            $data['uses_customer'] = $coupon_info['uses_customer'];
        } else {
            $data['uses_customer'] = 1;
        }

        if (isset($this->request->post['status'])) {
            $data['status'] = (int)$this->request->post['status'];
        } elseif (!empty($coupon_info)) {
            $data['status'] = $coupon_info['status'];
        } else {
            $data['status'] = 1;
        }

        $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('marketing/coupon_form', $data));
    }

    protected function validateForm() {
        if (!$this->user->hasPermission('modify', 'marketing/coupon')) {
            $this->error['warning'] = $this->language->get('error_permission');
        }

        if ((oc_strlen($this->request->post['name']) < 3) || (oc_strlen($this->request->post['name']) > 128)) {
            $this->error['name'] = $this->language->get('error_name');
        }

        if ((oc_strlen($this->request->post['code']) < 3) || (oc_strlen($this->request->post['code']) > 20)) {
            $this->error['code'] = $this->language->get('error_code');
        }

        $coupon_info = $this->model_marketing_coupon->getCouponByCode($this->request->post['code']);

        if ($coupon_info) {
            if (!isset($this->request->get['coupon_id'])) {
                $this->error['warning'] = $this->language->get('error_exists');
            } elseif ($coupon_info['coupon_id'] != $this->request->get['coupon_id']) {
                $this->error['warning'] = $this->language->get('error_exists');
            }
        }

        return !$this->error;
    }

    protected function validateDelete() {
        if (!$this->user->hasPermission('modify', 'marketing/coupon')) {
            $this->error['warning'] = $this->language->get('error_permission');
        }

        return !$this->error;
    }

    public function history(): void {
        $this->load->language('marketing/coupon');

        // Coupons
        $this->load->model('marketing/coupon');

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

        // Histories
        $data['histories'] = [];

        $results = $this->model_marketing_coupon->getHistories($this->request->get['coupon_id'], ($page - 1) * 10, 10);

        foreach ($results as $result) {
            $data['histories'][] = [
                'order_id'   => $result['order_id'],
                'customer'   => $result['customer'],
                'amount'     => $result['amount'],
                'date_added' => date($this->language->get('date_format_short'), strtotime($result['date_added']))
            ];
        }

        $history_total = $this->model_marketing_coupon->getTotalHistories($this->request->get['coupon_id']);

        $pagination = new \Pagination();
        $pagination->total = $history_total;
        $pagination->page = $page;
        $pagination->limit = 10;
        $pagination->url = $this->url->link('marketing/coupon/history', 'user_token=' . $this->session->data['user_token'] . '&coupon_id=' . $this->request->get['coupon_id'] . '&page={page}', true);

        $data['pagination'] = $pagination->render();
        $data['results'] = sprintf($this->language->get('text_pagination'), ($history_total) ? (($page - 1) * 10) + 1 : 0, ((($page - 1) * 10) > ($history_total - 10)) ? $history_total : ((($page - 1) * 10) + 10), $history_total, ceil($history_total / 10));

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