<?php
/*
=========================================================
EXAM-GATE ENTERPRISE
---------------------------------------------------------
File:
admin/question_manager.php

Version:
3.0.0

Description:
Question Management Console

Compatible:
JSON Edition

Author:
Zamex Link Limited
=========================================================
*/
require_once "../config/core.php";
/*
=========================================================
SESSION SECURITY
=========================================================
*/

if(!isLoggedIn())
{
    header("Location: login.php");
    exit;
}

/*
=========================================================
VALIDATE EXAM
=========================================================
*/

if(
    !isset($_GET["exam"])
    ||
    trim($_GET["exam"])==""
)
{
    die("No Examination Selected.");
}

$examID = trim($_GET["exam"]);

$examFolder = EXAMS_PATH . "/" . $examID;

if(!is_dir($examFolder))
{
    die("Invalid Examination.");
}

/*
=========================================================
LOAD EXAM
=========================================================
*/

$examFile = $examFolder . "/exam.json";

if(!file_exists($examFile))
{
    die("Exam Information Missing.");
}

$exam = read_json($examFile);

/*
=========================================================
QUESTION FOLDER
=========================================================
*/

$questionFolder =
$examFolder .
"/QUESTIONS-" .
$examID;

if(!is_dir($questionFolder))
{
    mkdir($questionFolder,0755,true);
}

/*
=========================================================
LOAD QUESTIONS
=========================================================
*/

$questionFiles =
glob($questionFolder . "/*.json");

sort($questionFiles);

$totalQuestions =
count($questionFiles);

$targetQuestions =
(int)($exam["question_count"] ?? 0);

$progress = 0;

if($targetQuestions>0)
{
    $progress = min(
        100,
        round(
            ($totalQuestions/$targetQuestions)*100
        )
    );
}

?>
<!DOCTYPE html>

<html lang="en">

<head>

<meta charset="UTF-8">

<meta
name="viewport"
content="width=device-width, initial-scale=1.0">

<title>

Question Manager

</title>

<link
rel="stylesheet"
href="../assets/css/examgate.css">

<script
src="../assets/js/examgate.js"></script>

</head>

<body>

<div class="wrapper">

<div class="header">

<h1>

EXAM-GATE ENTERPRISE

</h1>

<p>

Question Management Console

</p>

</div>

<div class="container">

<h2 class="page-title">

Question Manager

</h2>

<p class="subtitle">

Manage Questions for

<strong>

<?php echo htmlspecialchars($examID); ?>

</strong>

</p>

<div class="card">

<div class="grid grid-2">

<div>

<h3 class="card-title">

Examination Information

</h3>

<p>

<strong>School:</strong>

<?php echo htmlspecialchars($exam["school"] ?? ""); ?>

</p>

<p>

<strong>Subject:</strong>

<?php echo htmlspecialchars($exam["subject"] ?? ""); ?>

</p>

<p>

<strong>Class:</strong>

<?php echo htmlspecialchars($exam["class"] ?? ""); ?>

</p>

<p>

<strong>Duration:</strong>

<?php echo htmlspecialchars($exam["duration"] ?? ""); ?>

</p>

</div>

<div>

<h3 class="card-title">

Question Statistics

</h3>

<p>

Target Questions:

<strong>

<?php echo $targetQuestions; ?>

</strong>

</p>

<p>

Questions Created:

<strong>

<?php echo $totalQuestions; ?>

</strong>

</p>

<p>

Completion:

<span class="badge badge-success">

<?php echo $progress; ?>%

</span>

</p>

</div>

</div>

</div>

<div class="card">

<h3 class="card-title">

Question Builder Progress

</h3>

<div class="progress">

<div
class="progress-fill"
style="width:<?php echo $progress; ?>%;">

</div>

</div>

<p
style="margin-top:15px;font-weight:bold;text-align:center;">

<?php

echo
$totalQuestions .
" of " .
$targetQuestions .
" Question(s) Completed (" .
$progress .
"%)";

?>

</p>

</div>

<!-- =====================================================
QUICK ACTIONS
===================================================== -->

<div class="card">

<h3 class="card-title">

Question Management

</h3>

<div class="action-grid">

<a
class="action-card"
href="question_builder.php?exam=<?php echo urlencode($examID); ?>">

➕

<h3>Create Question</h3>

<p>Add a New Question</p>

</a>

<a
class="action-card"
href="dashboard.php?exam=<?php echo urlencode($examID); ?>">

🏠

<h3>Dashboard</h3>

<p>Return to Dashboard</p>

</a>

<a
class="action-card"
href="preview_exam.php?exam=<?php echo urlencode($examID); ?>">

👁

<h3>Preview</h3>

<p>Preview Examination</p>

</a>

<a
class="action-card"
href="publish_exam.php?exam=<?php echo urlencode($examID); ?>">

🚀

<h3>Publish</h3>

<p>Publish Examination</p>

</a>

</div>

</div>

<!-- =====================================================
SEARCH
===================================================== -->

<div class="card">

<h3 class="card-title">

Search Questions

</h3>

<input

type="text"

id="searchQuestions"

placeholder="Search Question Number, Type or Text..."

onkeyup="searchTable('searchQuestions','questionRow')">

</div>

<!-- =====================================================
QUESTION TABLE
===================================================== -->

<div class="card">

<h3 class="card-title">

Question List

</h3>

<table class="table">

<thead>

<tr>

<th>No.</th>

<th>Question ID</th>

<th>Type</th>

<th>Marks</th>

<th>Status</th>

<th>Last Modified</th>

<th>Actions</th>

</tr>

</thead>

<tbody>

<?php

if($totalQuestions==0)
{

?>

<tr>

<td colspan="7">

No Questions Created Yet.

</td>

</tr>

<?php

}
else
{

$counter=1;

foreach($questionFiles as $file)
{

$q=read_json($file);

?>

<tr class="questionRow">

<td>

<?php echo $counter; ?>

</td>

<td>

<?php echo htmlspecialchars($q["question_id"] ?? ""); ?>

</td>

<td>

<span class="badge badge-info">

<?php

echo htmlspecialchars(

$q["type"] ??

"MCQ"

);

?>

</span>

</td>

<td>

<?php

echo htmlspecialchars(

$q["marks"] ??

1

);

?>

</td>

<td>

<span class="badge badge-success">

Saved

</span>

</td>

<td>

<?php

echo

date(

"d M Y H:i",

filemtime($file)

);

?>

</td>

<td>

<a

class="btn btn-info"

href="edit_question.php?exam=<?php

echo urlencode($examID);

?>&question=<?php

echo urlencode(

basename($file)

);

?>">

Edit

</a>

<a

class="btn btn-warning"

href="duplicate_question.php?exam=<?php

echo urlencode($examID);

?>&question=<?php

echo urlencode(

basename($file)

);

?>">

Copy

</a>

<a

class="btn btn-danger"

onclick="return confirmDelete();"

href="delete_question.php?exam=<?php

echo urlencode($examID);

?>&question=<?php

echo urlencode(

basename($file)

);

?>">

Delete

</a>

</td>

</tr>

<?php

$counter++;

}

}

?>

</tbody>

</table>

</div>

<!-- =====================================================
FOOTER
===================================================== -->

<div class="footer">

<p>

<strong>

EXAM-GATE ENTERPRISE

</strong>

</p>

<p>

Question Management Console

</p>

<p>

Copyright ©

<?php echo date("Y"); ?>

Zamex Link Limited

</p>

</div>

</div>

</div>

</body>

</html>