<?php
/*
=========================================================
EXAM-GATE ENTERPRISE
---------------------------------------------------------
File:
admin/question_builder.php

Version:
3.0.0

Description:
Enterprise Question Builder

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 DIRECTORY
=========================================================
*/

$questionFolder =
$examFolder.
"/QUESTIONS-".
$examID;

if(!is_dir($questionFolder))
{
    mkdir($questionFolder,0755,true);
}

/*
=========================================================
GENERATE NEXT QUESTION ID
=========================================================
*/

$questionFiles =
glob($questionFolder."/*.json");

sort($questionFiles);

$nextNumber =
count($questionFiles)+1;

$questionID =
"Q".
str_pad(
$nextNumber,
6,
"0",
STR_PAD_LEFT
);

$totalQuestions =
(int)($exam["question_count"] ?? 0);

$currentQuestion =
$nextNumber;

$progress = 0;

if($totalQuestions>0)
{
    $progress = round(
        ($currentQuestion/$totalQuestions)*100
    );

    if($progress>100)
    {
        $progress=100;
    }
}

?>
<!DOCTYPE html>

<html lang="en">

<head>

<meta charset="UTF-8">

<meta
name="viewport"
content="width=device-width,initial-scale=1.0">

<title>

Enterprise Question Builder

</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>

Enterprise Question Builder

</p>

</div>

<div class="container">

<h2 class="page-title">

Create Examination Questions

</h2>

<p class="subtitle">

Exam ID:

<strong>

<?php echo htmlspecialchars($examID); ?>

</strong>

</p>

<div class="card">

<div class="grid grid-2">

<div>

<h3 class="card-title">

Examination

</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 Progress

</h3>

<p>

Question

<strong>

<?php echo $currentQuestion; ?>

</strong>

of

<strong>

<?php echo $totalQuestions; ?>

</strong>

</p>

<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 $progress; ?>% Complete

</p>

</div>

</div>

</div>

<form
method="post"
action="save_question.php"
enctype="multipart/form-data"
id="questionForm">

<input
type="hidden"
name="exam_id"
value="<?php echo htmlspecialchars($examID); ?>">

<div class="builder-layout">

<!-- ===========================================
LEFT PANEL
=========================================== -->

<div class="left-panel">

<div class="sticky">

<h3 class="card-title">

Question Navigator

</h3>

<div class="question-list">

<?php

for($i=1;$i<=$totalQuestions;$i++)
{

$id="Q".str_pad($i,6,"0",STR_PAD_LEFT);

$status="question-empty";

if($i<$currentQuestion)
{
$status="question-complete";
}
elseif($i==$currentQuestion)
{
$status="question-draft";
}

?>

<div
class="question-item <?php echo $status; ?>">

<?php echo $id; ?>

</div>

<?php

}

?>

</div>

</div>

</div>

<!-- ===========================================
CENTER PANEL
=========================================== -->

<div class="center-panel">

<div class="card">

<h3 class="card-title">

Question Details

</h3>

<div class="form-group">

<label>

Question ID

</label>

<input
type="text"
name="question_id"
value="<?php echo $questionID; ?>"
readonly>

</div>

<div class="form-group">

<label>

Question Type

</label>

<select
name="type"
id="questionType"
onchange="setQuestionType(this.value)">

<option value="MCQ">

Multiple Choice

</option>

<option value="TRUE_FALSE">

True / False

</option>

<option value="FILL_BLANK">

Fill in the Blank

</option>

<option value="SHORT">

Short Answer

</option>

<option value="ESSAY">

Essay

</option>

<option value="PRACTICAL">

Practical / Project

</option>

<option value="IMAGE">

Image Based

</option>

</select>

</div>

<div class="form-group">

<label>

Question

</label>

<textarea
name="question"
rows="5"
oninput="pageChanged()"
required>

</textarea>

</div>

<!-- =====================
MCQ
===================== -->

<div
id="mcqSection"
class="section">

<div class="form-group">

<label>

Option A

</label>

<input
type="text"
name="option_a">

</div>

<div class="form-group">

<label>

Option B

</label>

<input
type="text"
name="option_b">

</div>

<div class="form-group">

<label>

Option C

</label>

<input
type="text"
name="option_c">

</div>

<div class="form-group">

<label>

Option D

</label>

<input
type="text"
name="option_d">

</div>

<div class="form-group">

<label>

Option E (Optional)

</label>

<input
type="text"
name="option_e">

</div>

<div class="form-group">

<label>

Correct Answer

</label>

<select name="correct_answer">

<option>A</option>

<option>B</option>

<option>C</option>

<option>D</option>

<option>E</option>

</select>

</div>

</div>

<!-- =====================
TRUE/FALSE
===================== -->

<div
id="trueFalseSection"
class="section"
style="display:none;">

<div class="form-group">

<label>

Correct Answer

</label>

<select
name="true_false_answer">

<option>

True

</option>

<option>

False

</option>

</select>

</div>

</div>

<!-- =====================
FILL BLANK
===================== -->

<div
id="fillBlankSection"
class="section"
style="display:none;">

<div class="form-group">

<label>

Correct Answer

</label>

<input
type="text"
name="blank_answer">

</div>

</div>

<!-- =====================
SHORT ANSWER
===================== -->

<div
id="shortAnswerSection"
class="section"
style="display:none;">

<div class="form-group">

<label>

Expected Answer

</label>

<textarea
name="short_answer">

</textarea>

</div>

</div>

<!-- =====================
ESSAY
===================== -->

<div
id="essaySection"
class="section"
style="display:none;">

<div class="form-group">

<label>

Expected Marking Guide

</label>

<textarea
name="essay_marking">

</textarea>

</div>

</div>

<!-- =====================
PRACTICAL
===================== -->

<div
id="practicalSection"
class="section"
style="display:none;">

<div class="form-group">

<label>

Instructions

</label>

<textarea
name="practical_instruction">

</textarea>

</div>

</div>

<!-- =====================
IMAGE QUESTION
===================== -->

<div
id="imageSection"
class="section"
style="display:none;">

<div class="form-group">

<label>

Upload Image

</label>

<input
type="file"
name="question_image"
accept="image/*">

</div>

</div>

<div class="form-group">

<label>

Marks

</label>

<input
type="number"
name="marks"
value="1"
min="1">

</div>

</div>

</div>

<!-- ===========================================
RIGHT PANEL
=========================================== -->

<div class="right-panel">

<div class="sticky">

<div class="card">

<h3 class="card-title">

Quick Actions

</h3>

<button
type="submit"
class="btn btn-success">

💾 Save Question

</button>

<br><br>

<button
type="submit"
name="save_next"
value="1"
class="btn btn-primary">

➡ Save & Next

</button>

<br><br>

<a
class="btn btn-info"
href="question_manager.php?exam=<?php echo urlencode($examID); ?>">

📋 Question Manager

</a>

<br><br>

<a
class="btn btn-warning"
href="dashboard.php?exam=<?php echo urlencode($examID); ?>">

🏠 Dashboard

</a>

<br><br>

<p>

Auto Save

</p>

<span
class="badge badge-success">

Every 30 Seconds

</span>

<br><br>

<p>

Last Saved

</p>

<strong
id="lastSaved">

Not Yet

</strong>

</div>

</div>

</div>

</div>

</form>