<?php

/* Project : Labyrinth

* Author : Boopathi Rajaa

* Concept : Matrix

*/

//Check if installation is done

$conf = include("./config.inc.php");

if($conf !== "LABYRINTH"):

//then installation is not done

header("Location: ./install.php");

exit(1);

endif;

session_start();

//TODO:

//generate a dynamic user id

$_SESSION["userid"] = 1;

//Set the Constant LABYRINTH

define("LABYRINTH_CONST", "LABYRINTH APPLICATION");

//Get the PATH

$needle = strstr($_SERVER["SCRIPT_NAME"],"index.php", true);

$request = substr($_SERVER["REQUEST_URI"],strlen($needle));

//Required Details

$answer = "";

if(isset($_POST["labyrinth_answer"]))

$answer = $_POST["labyrinth_answer"];

else

$answer = $request;

$userid = $_SESSION["userid"];

//Includes

require_once("./config.inc.php");

require_once("./common.lib.php");

//declare global var

$CONTENT = "";

//connect to the database

connectDB();

$FORM = <<<FORM

<div class="labyrinth_submit">

<form name="labyrinth_submit" method="POST" action="$needle">

<input type="text" name="labyrinth_answer" />

<input type="submit" />

</form>

</div>

FORM;

if(empty($answer)):

//Get the user level from database

//from the user's current level

$userLevel = getUserCurrentLevel();

//get the question for the userlevel

$questionArray = getQuestion($userLevel);

//$CONTENT = $questionArray['question'];

header("Location: ./{$questionArray['header']}");

else:

//Check if the user has access to the particular level

//$level = $request

$userCurrentLevel = getUserCurrentLevel();

$requestLevelArray = getNodes($answer);

//might be correct answer / trying to access a different level / the same level

if($userCurrentLevel == $requestLevelArray['from']){

//then user entered a correct answer

$questionArray = getQuestion($requestLevelArray['to']);

$CONTENT = $questionArray['question'];

//update the database with the current level

updateUserLevel($userCurrentLevel, $requestLevelArray['to']);

}

else if($userCurrentLevel == $requestLevelArray['to']) {

//then user is trying to access the same level

//$CONTENT = "You are still here";

//from the user's current level

$userLevel = getUserCurrentLevel();

//get the question for the userlevel

$questionArray = getQuestion($userLevel);

$CONTENT = $questionArray['question'];

}

else {

//user entered an answer that was not allowed

$CONTENT = "Trying to access a restricted Level, this incident will be reported.";

$userLevel = getQuestion(getUserCurrentLevel());

$CONTENT .= "<a href=\"./{$userLevel['header']}\">Click here</a> to goto your level ";

//and nullify the form so that he cannot submit it

$FORM = "";

}

endif;

require_once("./template/index.php");

?>