<?php
namespace Opencart\Admin\Model\Extension\Opencart\Report;
/**
 * Class Coupon
 *
 * @package Opencart\Admin\Model\Extension\Opencart\Report
 */
class Coupon extends \Opencart\System\Engine\Model {
	/**
	 * @param array $data
	 *
	 * @return array
	 */
	public function getCoupons(array $data = []): array {
		$sql = "SELECT ch.`coupon_id`, c.`name`, c.`code`, COUNT(DISTINCT ch.`order_id`) AS orders, SUM(ch.`amount`) AS `total` FROM `" . DB_PREFIX . "coupon_history` ch LEFT JOIN `" . DB_PREFIX . "coupon` c ON (ch.`coupon_id` = c.`coupon_id`)";

		$implode = [];

		if (!empty($data['filter_date_start'])) {
			$implode[] = "DATE(ch.`date_added`) >= DATE('" . $this->db->escape((string)$data['filter_date_start']) . "')";
		}

		if (!empty($data['filter_date_end'])) {
			$implode[] = "DATE(ch.`date_added`) <= DATE('" . $this->db->escape((string)$data['filter_date_end']) . "')";
		}

		if ($implode) {
			$sql .= " WHERE " . implode(" AND ", $implode);
		}

		$sql .= " GROUP BY ch.`coupon_id` ORDER BY `total` DESC";

		if (isset($data['start']) || isset($data['limit'])) {
			if ($data['start'] < 0) {
				$data['start'] = 0;
			}

			if ($data['limit'] < 1) {
				$data['limit'] = 20;
			}

			$sql .= " LIMIT " . (int)$data['start'] . "," . (int)$data['limit'];
		}

		$query = $this->db->query($sql);

		return $query->rows;
	}

	/**
	 * @param array $data
	 *
	 * @return int
	 */
	public function getTotalCoupons(array $data = []): int {
		$sql = "SELECT COUNT(DISTINCT `coupon_id`) AS `total` FROM `" . DB_PREFIX . "coupon_history`";

		$implode = [];

		if (!empty($data['filter_date_start'])) {
			$implode[] = "DATE(`date_added`) >= DATE('" . $this->db->escape((string)$data['filter_date_start']) . "')";
		}

		if (!empty($data['filter_date_end'])) {
			$implode[] = "DATE(`date_added`) <= DATE('" . $this->db->escape((string)$data['filter_date_end']) . "')";
		}

		if ($implode) {
			$sql .= " WHERE " . implode(" AND ", $implode);
		}

		$query = $this->db->query($sql);

		return (int)$query->row['total'];
	}
}
