<?php
require_once "../config/core.php";
/*
========================================
RECEIVE DATA
========================================
*/

$data = json_decode(file_get_contents("php://input"), true);

if(!$data){
    exit("Invalid Request");
}

/*
========================================
VALIDATION
========================================
*/

$required = [
"exam_id","password","ref",
"school_name","country","state","city",
"subject","class","duration"
];

foreach($required as $r){
    if(empty($data[$r])){
        exit("Missing field: $r");
    }
}

/*
========================================
CREATE EXAM FOLDER
========================================
*/

$examPath = EXAMS_PATH . "/" . $data["exam_id"];

if(!file_exists($examPath)){
    mkdir($examPath,0755,true);
}

$subFolders = [
"QUESTIONS-".$data["exam_id"],
"ANSWERS-".$data["exam_id"],
"RESULTS-".$data["exam_id"],
"REPORTS-".$data["exam_id"],
"LOGS-".$data["exam_id"]
];

foreach($subFolders as $f){
    mkdir($examPath."/".$f,0755,true);
}

/*
========================================
EXAM DATA
========================================
*/

$examData = [
"exam_id"=>$data["exam_id"],
"password"=>$data["password"],
"reference"=>$data["ref"],
"school"=>$data["school_name"],
"location"=>$data["country"].", ".$data["state"].", ".$data["city"],
"subject"=>$data["subject"],
"class"=>$data["class"],
"duration"=>$data["duration"],
"instructions"=>$data["instructions"],
"status"=>"Draft",
"created_at"=>date("Y-m-d H:i:s")
];

file_put_contents(
$examPath."/exam.json",
json_encode($examData,JSON_PRETTY_PRINT)
);

/*
========================================
LOG
========================================
*/

system_log("EXAM CREATED",$data["exam_id"]);

?>

<!DOCTYPE html>
<html>
<head>
<title>Success</title>
<link rel="stylesheet" href="../assets/css/admin.css">

<style>
.success{
    max-width:700px;
    margin:80px auto;
    background:#fff;
    padding:40px;
    border-radius:20px;
    text-align:center;
    box-shadow:0 10px 30px rgba(0,0,0,0.15);
}
</style>
</head>

<body>

<div class="success">

<h1>EXAM CREATED SUCCESSFULLY</h1>

<p><b>Exam ID:</b> <?php echo $data["exam_id"]; ?></p>
<p><b>Password:</b> <?php echo $data["password"]; ?></p>
<p><b>Reference:</b> <?php echo $data["ref"]; ?></p>

<br>

<button onclick="window.location.href='exam_builder.php'">
Create Another Exam
</button>

</div>

</body>
</html>