<?php
	///////////////////////////////////////////////////////////////////////////////
	// Copyright © 2003 Michael Bird. All Rights Reserved                        //
	//                                                                           //
	// This file is part of Help Center Live.                                    //
	//                                                                           //
	// Help Center Live is free software; you can redistribute it and/or modify  //
	// it under the terms of the GNU General Public License as published by      //
	// the Free Software Foundation; either version 2 of the License, or         //
	// (at your option) any later version.                                       //
	//                                                                           //
	// Help Center Live is distributed in the hope that it will be useful,       //
	// but WITHOUT ANY WARRANTY; without even the implied warranty of            //
	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             //
	// GNU General Public License for more details.                              //
	//                                                                           //
	// You should have received a copy of the GNU General Public License         //
	// along with Help Center Live; if not, write to the Free Software           //
	// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA //
	///////////////////////////////////////////////////////////////////////////////



	include_once("../inc/config.php");
	include_once("../inc/database.php");
	include_once("../inc/isoperator.php");


	$SESSION_time = time();
	$SESSION_idle = $SESSION_time - $SESSION_timeout;
	$SESSION_old = $SESSION_time - $SESSION_timeout - 100;
	$OPERATOR_idle = $SESSION_time - $LIVE_timeout;

	$SESSION_uid = $_GET["chatid"];
	$SESSION_department = $_GET["department"];

	$IMAGE_connect = $URL_maindir."/lh/images/pix_one.gif";

	$result = DATABASE_query("SELECT * FROM ".$DB_prefix."session WHERE chatid='".$SESSION_uid."' ORDER BY id DESC LIMIT 1");
	if($get = DATABASE_fetch($result)){

		$SESSION_alert = $get["alert"];
		$SESSION_timeo = $get["timeo"];
		$SESSION_timeg = $get["timeg"];

		if($SESSION_alert == "accept"){

			$SESSION_connect = 1;
			$IMAGE_connect = $URL_maindir."/lh/images/pix_two.gif";

		}elseif($SESSION_alert == "decline"){

			// Poll next operator.. if there isnt one then redirect to mail

			if(!isset($_GET["opchat"])){

				$get_poll = DATABASE_query("SELECT * FROM ".$DB_prefix."session WHERE department='$SESSION_department' AND chatid='$SESSION_uid' ORDER BY id DESC LIMIT 1");
				if($select = DATABASE_fetch($get_poll)){
					$SESSION_now = $select["poll"];
				}

				$result_poll = DATABASE_query("SELECT * FROM ".$DB_prefix."departments WHERE department='$SESSION_department' AND poll>$SESSION_now ORDER BY poll ASC LIMIT 1");
				if($fetch = DATABASE_fetch($result_poll)){
					$SESSION_snew = $fetch["poll"];
					$SESSION_operator = $fetch["operator"];
					$result_operator = DATABASE_query("SELECT * FROM ".$DB_prefix."operators WHERE operator='$SESSION_operator' AND time>$OPERATOR_idle AND status='1'");

						if(DATABASE_fetch($result_operator)){
							DATABASE_query("UPDATE ".$DB_prefix."session SET poll='$SESSION_snew', alert='request', timeo='$SESSION_time' WHERE chatid='$SESSION_uid'");
							$SESSION_connect = 0;
						}else{
							DATABASE_query("UPDATE ".$DB_prefix."session SET poll='$SESSION_snew', alert='request', timeo='$SESSION_old' WHERE chatid='$SESSION_uid'");
							$SESSION_connect = 0;
						}

				}else{
					$SESSION_connect = 1;
					$IMAGE_connect = $URL_maindir."/lh/images/pix_three.gif";
				}

			}else{
				// It is an operator chat so we cant poll to the next operator
				$SESSION_connect = 1;
				$IMAGE_connect = $URL_maindir."/lh/images/pix_three.gif";
			}

		}else{

			$SESSION_connect = 0;

		}

		if($SESSION_connect !== 1){

			if($SESSION_timeo < $SESSION_idle){

				if(!isset($_GET["opchat"])){

					// If operator has not accepted request then poll to next operator

					$get_poll = DATABASE_query("SELECT * FROM ".$DB_prefix."session WHERE department='$SESSION_department' AND chatid='$SESSION_uid' ORDER BY id DESC LIMIT 1");
					if($select = DATABASE_fetch($get_poll)){
						$SESSION_now = $select["poll"];
					}

					$result_poll = DATABASE_query("SELECT * FROM ".$DB_prefix."departments WHERE department='$SESSION_department' AND poll>$SESSION_now ORDER BY poll ASC LIMIT 1");
					if($fetch = DATABASE_fetch($result_poll)){
						$SESSION_snew = $fetch["poll"];
						$SESSION_operator = $fetch["operator"];
						$result_operator = DATABASE_query("SELECT * FROM ".$DB_prefix."operators WHERE operator='$SESSION_operator' AND time>$OPERATOR_idle AND status='1'");

							if(DATABASE_fetch($result_operator)){
								DATABASE_query("UPDATE ".$DB_prefix."session SET poll='$SESSION_snew', alert='request', timeo='$SESSION_time' WHERE chatid='$SESSION_uid'");
								$SESSION_connect = 0;
							}else{
								DATABASE_query("UPDATE ".$DB_prefix."session SET poll='$SESSION_snew', alert='request', timeo='$SESSION_old' WHERE chatid='$SESSION_uid'");
								$SESSION_connect = 0;
							}

					}else{
						$SESSION_connect = 1;
						$IMAGE_connect = $URL_maindir."/lh/images/pix_three.gif";
					}

				}else{
					// It is an operator chat so we cant poll to the next operator
					$SESSION_connect = 1;
					$IMAGE_connect = $URL_maindir."/lh/images/pix_three.gif";
				}
			}

		}

	// If the info in the database is not found then end the chat request

	}else{
		$IMAGE_connect = $URL_maindir."/lh/images/pix_three.gif";
	}


		Header("Content-type: image/gif");
		readfile($IMAGE_connect);
?>