<?php
namespace Opencart\Admin\Controller\Extension\Opencart\Module;
/**
 * Class Best Seller
 *
 * @package Opencart\Admin\Controller\Extension\Opencart\Module
 */
class BestSeller extends \Opencart\System\Engine\Controller {
	/**
	 * @return void
	 */
	public function index(): void {
		$this->load->language('extension/opencart/module/bestseller');

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

		$data['breadcrumbs'] = [];

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

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

		if (!isset($this->request->get['module_id'])) {
			$data['breadcrumbs'][] = [
				'text' => $this->language->get('heading_title'),
				'href' => $this->url->link('extension/opencart/module/bestseller', 'user_token=' . $this->session->data['user_token'])
			];
		} else {
			$data['breadcrumbs'][] = [
				'text' => $this->language->get('heading_title'),
				'href' => $this->url->link('extension/opencart/module/bestseller', 'user_token=' . $this->session->data['user_token'] . '&module_id=' . $this->request->get['module_id'])
			];
		}

		if (!isset($this->request->get['module_id'])) {
			$data['save'] = $this->url->link('extension/opencart/module/bestseller.save', 'user_token=' . $this->session->data['user_token']);
		} else {
			$data['save'] = $this->url->link('extension/opencart/module/bestseller.save', 'user_token=' . $this->session->data['user_token'] . '&module_id=' . $this->request->get['module_id']);
		}

		$data['back'] = $this->url->link('marketplace/extension', 'user_token=' . $this->session->data['user_token'] . '&type=module');

		if (isset($this->request->get['module_id'])) {
			$this->load->model('setting/module');

			$module_info = $this->model_setting_module->getModule($this->request->get['module_id']);
		}

		if (isset($module_info['name'])) {
			$data['name'] = $module_info['name'];
		} else {
			$data['name'] = '';
		}

		if (isset($module_info['axis'])) {
			$data['axis'] = $module_info['axis'];
		} else {
			$data['axis'] ='';
		}

		if (isset($module_info['limit'])) {
			$data['limit'] = $module_info['limit'];
		} else {
			$data['limit'] = 5;
		}

		if (isset($module_info['width'])) {
			$data['width'] = $module_info['width'];
		} else {
			$data['width'] = 200;
		}

		if (isset($module_info['height'])) {
			$data['height'] = $module_info['height'];
		} else {
			$data['height'] = 200;
		}

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

		$data['report'] = $this->getReport();

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

		$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/opencart/module/bestseller', $data));
	}

	/**
	 * @return void
	 */
	public function save(): void {
		$this->load->language('extension/opencart/module/bestseller');

		$json = [];

		if (!$this->user->hasPermission('modify', 'extension/opencart/module/bestseller')) {
			$json['error']['warning'] = $this->language->get('error_permission');
		}

		if ((oc_strlen($this->request->post['name']) < 3) || (oc_strlen($this->request->post['name']) > 64)) {
			$json['error']['name'] = $this->language->get('error_name');
		}

		if (!$this->request->post['width']) {
			$json['error']['width'] = $this->language->get('error_width');
		}

		if (!$this->request->post['height']) {
			$json['error']['height'] = $this->language->get('error_height');
		}

		if (!$json) {
			$this->load->model('setting/module');

			if (!$this->request->post['module_id']) {
				$json['module_id'] = $this->model_setting_module->addModule('opencart.bestseller', $this->request->post);
			} else {
				$this->model_setting_module->editModule($this->request->post['module_id'], $this->request->post);
			}

			$this->cache->delete('product');

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

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

	/**
	 * @return void
	 */
	public function install(): void {
		if ($this->user->hasPermission('modify', 'extension/opencart/module/bestseller')) {
			$this->load->model('extension/opencart/module/bestseller');

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

	/**
	 * @return void
	 */
	public function uninstall(): void {
		if ($this->user->hasPermission('modify', 'extension/opencart/module/bestseller')) {
			$this->load->model('extension/opencart/module/bestseller');

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

	/**
	 * @return void
	 */
	public function report(): void {
		$this->load->language('extension/opencart/module/bestseller');

		$this->response->setOutput($this->getReport());
	}

	/**
	 * @return string
	 */
	public function getReport(): string {
		if (isset($this->request->get['page']) && $this->request->get['route'] == 'extension/opencart/module/bestseller.report') {
			$page = (int)$this->request->get['page'];
		} else {
			$page = 1;
		}

		$limit = 10;

		$data['reports'] = [];

		$this->load->model('extension/opencart/module/bestseller');
		$this->load->model('catalog/product');

		$results = $this->model_extension_opencart_module_bestseller->getReports(($page - 1) * $limit, $limit);

		foreach ($results as $result) {
			$product_info = $this->model_catalog_product->getProduct($result['product_id']);

			if ($product_info) {
				$product = $product_info['name'];
			} else {
				$product = '';
			}

			$data['reports'][] = [
				'product' => $product,
				'total'   => $result['total'],
				'edit'    => $this->url->link('catalog/product.edit', 'user_token=' . $this->session->data['user_token'] . '&product_id=' . $result['product_id'])
			];
		}

		$report_total = $this->model_extension_opencart_module_bestseller->getTotalReports();

		$data['pagination'] = $this->load->controller('common/pagination', [
			'total' => $report_total,
			'page'  => $page,
			'limit' => $limit,
			'url'   => $this->url->link('extension/opencart/module/bestseller.report', 'user_token=' . $this->session->data['user_token'] . '&page={page}')
		]);

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

		return $this->load->view('extension/opencart/module/bestseller_report', $data);
	}

	/**
	 * @return void
	 */
	public function sync(): void {
		$this->load->language('extension/opencart/module/bestseller');

		$json = [];

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

		if (!$this->user->hasPermission('modify', 'extension/opencart/module/bestseller')) {
			$json['error'] = $this->language->get('error_permission');
		}

		if (!$json) {
			$this->load->model('extension/opencart/module/bestseller');
			$this->load->model('catalog/product');
			$this->load->model('sale/order');

			$total = $this->model_catalog_product->getTotalProducts();
			$limit = 10;

			$start = ($page - 1) * $limit;
			$end = $start > ($total - $limit) ? $total : ($start + $limit);

			$product_data = [
				'start' => ($page - 1) * $limit,
				'limit' => $limit
			];

			$results = $this->model_catalog_product->getProducts($product_data);

			foreach ($results as $result) {
				$product_total = $this->model_sale_order->getTotalProductsByProductId($result['product_id']);

				if ($product_total) {
					$this->model_extension_opencart_module_bestseller->editTotal($result['product_id'], $product_total);
				} else {
					$this->model_extension_opencart_module_bestseller->delete($result['product_id']);
				}
			}

			if ($end < $total) {
				$json['text'] = sprintf($this->language->get('text_next'), $end, $total);

				$json['next'] = $this->url->link('extension/opencart/module/bestseller.sync', 'user_token=' . $this->session->data['user_token'] . '&page=' . ($page + 1), true);
			} else {
				$json['success'] = sprintf($this->language->get('text_next'), $end, $total);

				$json['next'] = '';
			}
		}

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