<?php

	class main {

            public $connection;

            /**
             * Opens a connection to the DB
             */

            public function __construct() {
				$this->connection = mysql_connect(localhost, trama_vote, hudecki123) or die(mysql_connect_error());
				mysql_select_db(trama_vote,$this->connection);
            	//echo("Connected");
            }

            /**
             * Clsoes the connection to the DB
             */

            public function __destruct() {
                mysql_close($this->connection);
            }

            /**
             *
             * @return time user voted if note it returns -1
             */

            public function hasVoted() {
                $ip = gethostbyname($_SERVER['REMOTE_ADDR']);
				$query = "SELECT UNIX_TIMESTAMP(time) as time FROM `votes` WHERE  UNIX_TIMESTAMP(NOW()) < UNIX_TIMESTAMP(time)+86000 AND `ip` LIKE '$ip'";
                $result = mysql_query($query);
                if (mysql_num_rows($result) > 0) {
                    $result = mysql_fetch_assoc($result);
                    return $result["time"];
                } else {
                    return -1;
                }
            }

            /**
             * checks if runetoplist has calledback saying the user has voted
             * @returns true if the user can continue
             * @returns false if the user hasnt voted
             */

            public function canFindTempId($callback_id) {
                $callback_id = mysql_real_escape_string($callback_id);
                $query = mysql_query("SELECT null FROM `verifying_votes` WHERE callbackid='".$callback_id."'");
                if (mysql_num_rows($query) > 0) {
                    return true;
                } else {
                    return false;
                }
            }

            /**
             *
             * @return type true if ports 80, 8080 or 3128 are open
             */

            public function isCheating() {
                if(@fsockopen($_SERVER['REMOTE_ADDR'], 80, $errno, $errstr, 1) ||
                        @fsockopen($_SERVER['REMOTE_ADDR'], 8080, $errno, $errstr, 1) ||
                        @fsockopen($_SERVER['REMOTE_ADDR'], 3128, $errno, $errstr, 1)) {
                    return true;
                } else {
                    return false;
                }
            }

            /**
             * gets the top 10 people who have voted the most
             * @returns a stack of data
             */

            public function getTop10Voters() {
                $query = mysql_query("SELECT  `username` , COUNT(  `username` ) AS times FROM  `items` GROUP BY  `username` LIMIT 10");
                if (mysql_num_rows($query) > 0) {
                    $stack = array();
                    while ($result = mysql_fetch_assoc($query)){
                        array_push($stack, $result["username"], $result["times"]);
                    }

                    return $stack;
                } else {
                    return null;
                }
            }

            /**
             * gets the amount of votes inbetween two time sets
             * @returns the amount of votes
             * @param1 start of the time set (unix time)
             * @param2 end of time set (unix time)
             */

            public function getTotalVotes($start, $end) {
                $start = mysql_real_escape_string($start);
                $end = mysql_real_escape_string($end);
                $query = mysql_query("SELECT COUNT(*) AS votes FROM `votes` WHERE UNIX_TIMESTAMP(time) >=$start AND UNIX_TIMESTAMP(time) < $end");
                $result = mysql_fetch_assoc($query);

                return $result['votes'];
            }

            /**
             * gets the most popular vote rewards
             * @returns stack of data
             */

            public function getPopularRewards() {
                $query = mysql_query("SELECT  `item_id` , COUNT(  `item_id` ) AS times FROM  `items` GROUP BY  `item_id`");
                $stack = array();
                while ($result = mysql_fetch_assoc($query)){
                    array_push($stack, $result["item_id"], $result["times"]);
                }

                return $stack;
            }

            /**
             * deletes the temp id called back from RuneTopList
             * @returns amount of rows effected
             */

            public function deleteTempID($callback_id) {
                $callback_id = mysql_real_escape_string($callback_id);
                $query = mysql_query("DELETE FROM `verifying_votes` WHERE callbackid='".$callback_id."'");
                return mysql_affected_rows();
            }

            /**
             * adds the temp id to the database
             * @returns amount of rows effected
             */

            public function addTempID($callback_id) {
                $callback_id = mysql_real_escape_string($callback_id);
                $query = mysql_query("INSERT INTO `verifying_votes` (callbackid) VALUES ('$callback_id')");
                return true;
            }

            /**
             * adds item to the datebase to be checked/claimed/rewarded
             * @returns success
             */

            public function addReward($reward, $username, $voterewards) {
                $reward = $this->getItemId(mysql_real_escape_string($reward), $voterewards);
                $username = mysql_real_escape_string($username);
                $amount = $this->getAmount($reward, $voterewards);
                $ip = gethostbyname($_SERVER['REMOTE_ADDR']);
                mysql_query("INSERT INTO `items` (`username`, `item_id`, `item_amount`) VALUES ('$username', '$reward', '$amount');");
                mysql_query("INSERT INTO `votes` (`ip`) VALUES ('$ip');");
                return true;
            }

            public function getAmount($RewardId, $voterewards){
                for ($i = 0; $i < count($voterewards)/5; $i++) {
                    if ($voterewards[($i*5+2)] == $RewardId) {
                        return $voterewards[($i*5)+3];
                    }
                }
                return 'item not found in array';
            }

            public function getItemId($RewardId, $voterewards){
                for ($i = 0; $i < count($voterewards)/5; $i++) {
                    if ($voterewards[($i*5)] == $RewardId) {
                        return $voterewards[($i*5)+2];
                    }
                }
                return 'item not found in array';
            }

            function createRandomChars($length) {
                $chars = "abcdefghijkmnopqrstuvwxyz023456789";
                srand((double)microtime()*1000000);
                $i = 0;
                $pass = '' ;
                while ($i < $length) {
                    $num = rand() % 33;
                    $tmp = substr($chars, $num, 1);
                    $pass = $pass . $tmp;
                    $i++;
                }
                return $pass;
            }
	}
?>