<?php
/**
 * NOTICE OF LICENSE
 * With the purchase or the installation of the software in your application
 * you accept the license agreement.
 *
 * You can not resell and redistribute this file.
 *
 * @author    Dalibor Stojcevski <dal_sto@yahoo.com>
 * @copyright 2019 Dalibor Stojcevski
 * @license   Dalibor Stojcevski
 */

class Queue
{
	public $shop_name = 'default';
	
	public function getQueued($file_id = 0, $limit = 0) 
	{
		
		$sql = "SELECT * FROM " . _DB_PREFIX_ . "ia_temp t LEFT JOIN " . _DB_PREFIX_ . "ia_queues q ON (t.queue_id = q.queue_id) WHERE q.status < 3 AND  t.shop = '" . pSQL($this->shop_name) . "'";
		
		if ($file_id) {
			$sql .= " AND t.file_id = " . (int)$file_id;
		}
		
		if ($limit) {
			$sql .= " LIMIT " . (int)$limit;
		}
		
		$query = Db::getInstance()->executeS($sql);	
		
		return $query;
	}
	
	public function getLastQueue($file_id = 0, $status = 0) 
	{
		
		$sql = "SELECT * FROM " . _DB_PREFIX_ . "ia_queues WHERE shop = '" . pSQL($this->shop_name) . "'";
		
		if ($file_id) {
			$sql .= " AND file_id = " . (int)$file_id;
		}
		
		if ($status) {
			$sql .= " AND status = " . (int)$status;
		}
		
		$sql .= " ORDER BY date_added DESC";
		
		$query = Db::getInstance()->executeS($sql);
		
		if ($query) {
			return $query[0];
		} else {
			return array();
		}
	}
	
	public function getProducts($file_id = 0, $limit = 0) 
	{

		$sql = "SELECT * FROM " . _DB_PREFIX_ . "ia_products p WHERE p.shop = '" . pSQL($this->shop_name) . "'";
		
		if ($file_id) {
			$sql .= " AND p.file_id = " . (int)$file_id;
		}
		
		if ($limit) {
			$sql .= " LIMIT " . (int)$limit;
		}
		
		$query = Db::getInstance()->executeS($sql);	
		
		return $query;
	}
	
	public function deleteProduct($product_id = 0, $file_id = 0) 
	{

		$sql = "DELETE FROM " . _DB_PREFIX_ . "ia_products WHERE product_id = '" . (int)$product_id . "'";
		
		if ($file_id) {
			$sql .= " AND file_id = " . (int)$file_id;
		}
		//print_r($sql); exit;
		
		$query = Db::getInstance()->execute($sql);	
		
		return $query;
	}
	
	public function saveTempToDb($products, $file_id = 0) {
		
		$this->deleteUnnecessary($file_id);
		
		Db::getInstance()->execute("INSERT INTO " . _DB_PREFIX_ . "ia_queues SET shop = '" . pSQL($this->shop_name) . "', total = '" . count($products) . "', date_added = '" . time() . "', file_id = '" . (int)$file_id . "'");

		$queue_id = Db::getInstance()->Insert_ID();

		foreach($products as $indx => $product) {
			Db::getInstance()->execute("INSERT INTO " . _DB_PREFIX_ . "ia_temp SET shop = '" . pSQL($this->shop_name) . "', date_added = '" . time() . "', indx = '" . pSQL($indx) . "', product = '" . pSQL(json_encode($product)) . "', queue_id = '" . (int)$queue_id . "', file_id = '" . (int)$file_id . "'");
		}
		
		return $queue_id;
	}
	
	public function deleteUnnecessary($file_id = 0, $shop = 'default') {
		Db::getInstance()->execute("DELETE FROM " . _DB_PREFIX_ . "ia_queues WHERE shop = '" . pSQL($this->shop_name) . "' AND status < 3 AND file_id = " . (int)$file_id);
		Db::getInstance()->execute("DELETE FROM " . _DB_PREFIX_ . "ia_temp WHERE shop = '" . pSQL($this->shop_name) . "' AND file_id = " . (int)$file_id);		
	}
	
	public function getQueuedForTable($file_id = 0, $limit = 0) {
		
		$products = array();
		
		$queued = $this->getQueued($file_id, $limit);
		
		foreach ($queued as $q) {
			$p = json_decode($q['product'], true);
			//var_dump($p); exit;
			$products[] = array(
				'id' => $q['product_id'],
				'indx' => $q['indx'],
				'reference' => $p['reference'],
				'name' => $p['name'],
				'price' => $p['price'],
				'quantity' => $p['quantity'],
				'manufacturer' =>isset($p['brand']) ? $p['brand'] : '',
			);
		}
		
		return $products;
	}
	
	public function getQueuedProduct($indx = 0, $file_id = 0) {
		
		$sql = "SELECT * FROM " . _DB_PREFIX_ . "ia_temp WHERE shop = '" . pSQL($this->shop_name) . "'";
		
		if ($indx) {
			$sql .= " AND indx = '" . pSQL($indx) . "'";
		}
		
		
		if ($file_id) {
			$sql .= " AND file_id = '" .(int)$file_id . "'";
		}
		
		$sql .= " LIMIT 1";

		$query = Db::getInstance()->executeS($sql);

		if ($query) {
			return $query[0];
		} else {
			array();
		}		
	}
	
	public function deleteQueuedProduct($product_id = 0, $indx = 0, $file_id = 0) {
		
		$sql = "DELETE FROM " . _DB_PREFIX_ . "ia_temp WHERE shop = '" . pSQL($this->shop_name) . "'";
		
		if ($product_id) {
			$sql .= " AND product_id = '" . (int)$product_id . "'";
		}
		
		if ($indx) {
			$sql .= " AND indx = '" . pSQL($indx) . "'";
		}
				
		if ($file_id) {
			$sql .= " AND file_id = '" .(int)$file_id . "'";
		}
		
		$sql .= " LIMIT 1";

		$query = Db::getInstance()->execute($sql);
		
		return $query;		
	}
}