<?php
class Racing{
	
	static private $instance = NULL;
	public $data = array();
	
	static  function a(){
		if(self::$instance==NULL)self::$instance=new Racing();
		return self::$instance;
		}	
	
	public function __construct(){
		$this->data[1]= array("name" =>"Фольксваген","speed" => 10,"uskor" => 1,"price" => 10,"master" => 1,"dohod" => 1);
		$this->data[]= array("name" =>"Бмв","speed" => 15,"uskor" => 2,"price" => 250,"master" => 3,"dohod" => 1.5);
		$this->data[]= array("name" =>"Ауди","speed" => 20,"uskor" => 2,"price" => 450,"master" => 5,"dohod" => 2);
		$this->data[]= array("name" =>"Порше","speed" => 30,"uskor" => 3,"price" => 750,"master" => 10,"dohod" => 2.5);
		$this->data[]= array("name" =>"Ламборгини","speed" => 45,"uskor" => 5,"price" => 1100,"master" => 20,"dohod" => 4);		
		}
	
	
	public function searchInvite($uid){
		$uid = abs(intval($uid));
		$invites = DB::a()->d->query("SELECT * FROM `raceInvite` WHERE `user` = '".$uid."' LIMIT 1")->fetch();
		if($invites===false)return false;
		return true;
		}

	public function searchActive($uid){
		$uid = abs(intval($uid));
		$activ = DB::a()->d->query("SELECT * FROM `race` WHERE `user1` = '".$uid."' OR `user2` = '".$uid."' OR `user3` = '".$uid."' OR `user4` = '".$uid."' LIMIT 1")->fetch();
		if($activ===false)return false;
		return true;
		}

	public function addInvite($uid,$car){
		$uid = abs(intval($uid));
		$activ = DB::a()->d->query("INSERT INTO `raceInvite` SET `user` = '".$uid."' , `car` = '".$car."'");
		return true;
		}
		
	public function delInvite($uid){
		$uid = abs(intval($uid));
		$activ = DB::a()->d->query("DELETE FROM `raceInvite` WHERE `user` = '".$uid."'");
		return true;
		}

	public function countInvite($car){
		$activ = DB::a()->d->query("SELECT * FROM `raceInvite` WHERE `car` = '".$car."'")->fetchAll();
		return $activ;
		}

	public function getRace($id){
		$race = DB::a()->d->query("SELECT * FROM `race` WHERE `user1` = '".$id."' OR `user2` = '".$id."' OR `user3` = '".$id."' OR `user4` = '".$id."' ORDER BY `id` DESC LIMIT 1")->fetch();
		return $race;
		}
		
	public function getRaceList(){
		$race = DB::a()->d->query("SELECT * FROM `race` WHERE `time` > '".time()."'  ORDER BY `time` DESC")->fetchAll();
		if(count($race)>0)return $race;
		return false;
		}		
		
	public function getRaceId($id){
		$race = DB::a()->d->query("SELECT * FROM `race` WHERE `id` = '".$id."' AND `time` > '".time()."' LIMIT 1")->fetch();
		if($race!==false)return $race;
		return false;
		}
		
		
	public function km($rast){
		if($rast>1000)return round($rast/1000,2)." км";
		return $rast." м";;
		}	


	public function startRace($car){
		$activ = $this->countInvite($car);
		if(count($activ)>3){
			$members = array();
			$i=array();
			foreach($activ as $value){
				$user = DB::a()->d->query("SELECT `car` FROM `users` WHERE `id` = '".$value['user']."' LIMIT 1")->fetch();
				$car = json_decode($user['car'],true);
				$members[$value['user']] = array('id'=>$car['id'],'speed'=>$car['speed'],'uskor'=>0,'pluskm'=>0);
				$i[] = $value['user'];
				DB::a()->d->query("UPDATE `users` SET `race` = '1' WHERE `id` = '".$value['user']."' LIMIT 1");	
				DB::a()->d->query("DELETE FROM `raceInvite` WHERE `user` = '".$value['user']."' LIMIT 1");
				}
				
			$data = json_encode($members);
			DB::a()->d->query("INSERT INTO `race` SET `time` = '".(time()+180)."' , `data` = '".$data."',`money` = '20000', `user1` = '".$i[0]."',`user2` = '".$i[1]."',`user3` = '".$i[2]."',`user4` = '".$i[3]."'");				
			header("Location:/Racing/Race/");
			die();
			}
			
	return count($activ);
	}
	
	public function addLog($id,$text){
	if(!file_exists('data/racelogs/'.$id))$data = false;
	else $data = json_decode(file_get_contents('data/racelogs/'.$id),true);
	if($data==false){
	$data = array(array('text'=>$text,'time'=>time()));
	}else{
	$data[] = array('text'=>$text,'time'=>time());
	}
	$data_mailMe = json_encode($data);
	file_put_contents('data/racelogs/'.$id,$data_mailMe);
	return true;
	}
	
	public function getLog($id,$page=1){
	if(!file_exists('data/racelogs/'.$id))$data = false;
	else $data = json_decode(file_get_contents('data/racelogs/'.$id),true);
	if(count($data)==0 || $data==false)return false;
	krsort($data);
		$logs = array();
		foreach($data as $key=>$value){
				$logs[]=$value;
				}
	
	if(count($logs)==0)return false;
	$total=count($logs);		
		if(!$page) $page = 1;
		$page = abs(intval($page));
		if($page == 1)$start = 1;
		else $start = 15*($page-1)+1;
		
		$log=array();
		for($i=$start;$i<=15*$page;$i++){
				if(array_key_exists($i-1,$logs))
				{
					$log[]=$logs[$i-1];
					}
		}
	if(count($log)==0)return false;
	return $log;	
	}
	
	
	
	
	
	
		
}