<?php
	//Database connection info
	$db_hostname = "188.93.232.9";	//Hostname
	$db_port = 3306;		//Port
	$db_username = "NOME";		//Username
	$db_password = "PASSWORD";	//Password
	$db_database = "dbnome";	//Database

	//Steam info
	$steam_username = "nomedaconta";	//Steam username
	$steam_password = "passworddaconta";	//Steam password
	$steam_communityid = "76561198029643876";
	$steam_cookie = "76561198029643876%7C%7C3ECC77FED53CAB9D23BEDC724AF73175B8FDD640";

	//Plugin info
	$plugin_groupid = "103582791433145563";		//Community ID of the group
	$plugin_invites = "250";	//Number of invites per day

	//Getting plugin info
	if(!file_exists("autoinvite.txt"))
	{
		touch("autoinvite.txt");
		$invites_sofar = 0;
		$time_of_last_max = 0;
	}
	else
	{
		list($invites_sofar, $steam_cookie, $time_of_first) = explode("\n", file_get_contents("autoinvite.txt"));
	}

	//Over the time limit, resetting
	if($time_of_first < (time()-7200))
        {
		$invites_sofar = 0;

		//Fetching Steam cookie
			$data = array("username" => $steam_username,
				"password" => $steam_password,
				"emailauth" => "",
		                "captchagid" => "-1",
		                "captcha_text" => "");
			$steam_login = curl_init();
			curl_setopt($steam_login, CURLOPT_URL, "https://steamcommunity.com/");
			curl_setopt($steam_login, CURLOPT_RETURNTRANSFER, 1);
			curl_setopt($steam_login, CURLOPT_HEADER, 1);
			curl_setopt($steam_login, CURLOPT_POST, 1);
			curl_setopt($steam_login, CURLOPT_POSTFIELDS, $data);
		        $output=curl_exec($steam_login);
			if(preg_match("/steamLogin=(.*);/i", $output, $steam_cookie))
				$steam_cookie = $steam_cookie[1];
			curl_close($steam_login);
        }

	$steam_communityid = strstr($steam_cookie, "%", true);

	//Connect to database
	$mysqli_conn = new mysqli($db_hostname, $db_username, $db_password, $db_database, $db_port);

	$invites_now = 0;

	if($invites_sofar < $plugin_invites)
	{
		if(isset($_GET["communityid"]))
		{
                        $result = invite_player($steam_communityid, $_GET["communityid"], $plugin_groupid, $steam_cookie);
			if(preg_match("/\<\!\[CDATA\[OK\]\]\>/", $result))
                        {
				$invites_now++;
                                $mysqli_conn->query("INSERT INTO invited_players (communityid) VALUES(\"".$mysqli_conn->real_escape_string($_GET["communityid"])."\")");
                        }
                        if($_GET["log"])
                        {
                                echo $result;
                        }
		}

                if(($invites_sofar + $invites_now) < $plugin_invites)
		{
			//Fetch queued players and invite them

			$successful_invites = array();

			$mysql_query = $mysqli_conn->query("SELECT * FROM queued_players LIMIT 0, ".($plugin_invites-$invites_sofar-$invites_now));

			while($player = $mysql_query->fetch_assoc())
			{
				$result = invite_player($steam_communityid, $player["communityid"], $plugin_groupid, $steam_cookie);

				if(preg_match("/\<\!\[CDATA\[OK\]\]\>/", $result))
				{
				     $invites_now++;
                                     $mysqli_conn->query("INSERT INTO invited_players (communityid) VALUES(\"".$player["communityid"]."\")");
                                }
                                $successful_invites[] = $player["communityid"];
			}

			//Delete successfully invited players from database

			$mysql_query_string = "DELETE FROM queued_players WHERE";

			for($i=0;$i<count($successful_invites);++$i)
			{
				$mysql_query_string .= " communityid=\"".$successful_invites[$i]."\"";
				if(($i+1) != count($successful_invites))
					$mysql_query_string .= " OR";
			}

			$mysqli_conn->query($mysql_query_string);
		}
	}
	else
	{
		if(isset($_GET["communityid"]))
		{
			//Can't invite more today, queueing
			$mysqli_conn->query("INSERT INTO queued_players (communityid) VALUES(\"".$mysqli_conn->real_escape_string($_GET["communityid"])."\")");
		}
	}

	//Close database connection
	$mysqli_conn->close();

	//Saving plugin info
        //New session
	if($invites_sofar == 0)
                $time_of_first = time();

	$invites_sofar += $invites_now;

	file_put_contents("autoinvite.txt", $invites_sofar."\n".$steam_cookie."\n".$time_of_first);

	function invite_player($inviter, $invitee, $group, $steam_cookie)
	{
		$query_string = "?type=groupInvite&inviter=".$inviter."&invitee=".$invitee."&group=".$group;
		$steam_invite = curl_init();
		curl_setopt($steam_invite, CURLOPT_URL, "http://steamcommunity.com/actions/GroupInvite".$query_string);
		curl_setopt($steam_invite, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt($steam_invite, CURLOPT_HEADER, 1);
		curl_setopt($steam_invite, CURLOPT_COOKIE, "steamLogin=".$steam_cookie);
		$result = curl_exec($steam_invite);
		curl_close($steam_invite);
		return $result;
	}
?>