<?php

/*
	LOGIN CLASS
	belépés végrehajtása

*/


class login {
	
	public function check_login($_user_name, $_user_password) {
		global $sql;
		//ez a függvény ellenőrzi le a bevitt adatok
		//vissszadja a user_id-t, ha helyesek az adatok
		//null ha nem
		$check_query = 
		"
		SELECT ua_id FROM user_coach WHERE
		(ua_name = '" . $_user_name . "' AND
		ua_password = '" . md5($_user_password ) . "')";

		if ($sql->num_of_rows($check_query)) return $sql->single_variable($check_query);
		

		$check_query = 
		"
		SELECT uk_id FROM user_kid WHERE
		(uk_name = '" . $_user_name . "' AND
		uk_password = '" . md5($_user_password ) . "')";
		
		if ($sql->num_of_rows($check_query)) return $sql->single_variable($check_query);
		
		$check_query = 
		"
		SELECT up_id FROM user_parent WHERE
		(up_name = '" . $_user_name . "' AND
		up_password = '" . md5($_user_password ) . "')";

		if ($sql->num_of_rows($check_query)) return $sql->single_variable($check_query);

		return null;
		

	}

	public function login_user($_user_id, $_user_type) {
		//beállítja a belépett user adatait cookieba (ha még nincs)
		global $sql;

		if (!isset($_COOKIE['badminon_coach_user'])) {
			//user objektumot nem lehet cookie-ban tárolni, ezért user_id-t rakunk bele
			$user_login = new user();
			$user_login->set_user_data_by_id($_user_id);
			$user_login->update_login_time();
			setcookie('badminton_coach_user', $_user_id, time()+60*60*72, '/');

		}


	}

}


?>