<?php

/*
=========================================================
EXAM-GATE ENTERPRISE
---------------------------------------------------------
File:
admin/dashboard.php

Version:
3.0.0

Description:
Exam Administration Dashboard

Compatible:
JSON Edition

Author:
Zamex Link Limited
=========================================================
*/

require_once "../config/core.php";

/*
=========================================================
SESSION SECURITY
=========================================================
*/

if(!isLoggedIn())
{
    header("Location: login.php");
    exit;
}

/*
=========================================================
LOAD 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.");
}

$examFile = $examFolder . "/exam.json";

if(!file_exists($examFile))
{
    die("Exam information not found.");
}

$exam = read_json($examFile);

/*
=========================================================
LOAD QUESTION STATISTICS
=========================================================
*/

$questionFolder = $examFolder . "/QUESTIONS-" . $examID;

$totalQuestions = 0;

if(is_dir($questionFolder))
{
    $files = glob($questionFolder . "/*.json");

    $totalQuestions = count($files);
}

$targetQuestions = (int)($exam["question_count"] ?? 0);

$progress = 0;

if($targetQuestions > 0)
{
    $progress = min(
        100,
        round(($totalQuestions / $targetQuestions) * 100)
    );
}

/*
=========================================================
ANSWER STATISTICS
=========================================================
*/

$answerFolder = ANSWERS_PATH . "/ANSWER-" . $examID;

$totalSubmissions = 0;

if(is_dir($answerFolder))
{
    $answers = glob($answerFolder . "/*.json");

    $totalSubmissions = count($answers);
}

$status = $exam["status"] ?? "Draft";
?>

<!DOCTYPE html>

<html lang="en">

<head>

<meta charset="UTF-8">

<meta
name="viewport"
content="width=device-width, initial-scale=1.0">

<title>

Exam Administration Dashboard

</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>

Exam Administration Dashboard

</p>

</div>

<div class="container">

<h2 class="page-title">

Welcome Administrator

</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 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">

System Information

</h3>

<p>

Current Date:

<strong>

<?php echo date("l, d F Y"); ?>

</strong>

</p>

<p>

Current Time:

<strong id="liveClock">

Loading...

</strong>

</p>

<p>

Status:

<span class="badge badge-info">

<?php echo htmlspecialchars($status); ?>

</span>

</p>

</div>

</div>

</div>

<!-- =====================================================
ENTERPRISE STATISTICS
====================================================== -->

<div class="dashboard-grid">

<div class="dashboard-tile">

<div class="dashboard-icon">

📝

</div>

<div class="dashboard-value">

<?php echo $totalQuestions; ?>

</div>

<div class="dashboard-title">

Questions Created

</div>

</div>

<div class="dashboard-tile">

<div class="dashboard-icon">

🎯

</div>

<div class="dashboard-value">

<?php echo $targetQuestions; ?>

</div>

<div class="dashboard-title">

Target Questions

</div>

</div>

<div class="dashboard-tile">

<div class="dashboard-icon">

👨‍🎓

</div>

<div class="dashboard-value">

<?php echo $totalSubmissions; ?>

</div>

<div class="dashboard-title">

Student Submissions

</div>

</div>

<div class="dashboard-tile">

<div class="dashboard-icon">

📊

</div>

<div class="dashboard-value">

<?php echo $progress; ?>%

</div>

<div class="dashboard-title">

Exam Completion

</div>

</div>

</div>

<!-- =====================================================
PROGRESS
====================================================== -->

<div class="card">

<h3 class="card-title">

Question Builder Progress

</h3>

<div class="progress">

<div

class="progress-fill"

id="dashboardProgress"

style="width:<?php echo $progress; ?>%;">

</div>

</div>

<p
style="
margin-top:15px;
font-weight:bold;
text-align:center;
"
id="dashboardProgressText">

<?php

echo

$totalQuestions .

" of " .

$targetQuestions .

" Question(s) Completed (" .

$progress .

"%)";

?>

</p>

</div>

<!-- =====================================================
QUICK ACTIONS
====================================================== -->

<div class="card">

<h3 class="card-title">

Quick Actions

</h3>

<div class="action-grid">

<a
class="action-card"
href="question_manager.php?exam=<?php echo urlencode($examID); ?>">

📝

<h3>

Question Manager

</h3>

<p>

Create, Edit and Organize Questions

</p>

</a>

<a
class="action-card"
href="question_builder.php?exam=<?php echo urlencode($examID); ?>">

➕

<h3>

Question Builder

</h3>

<p>

Create New Question

</p>

</a>

<a
class="action-card"
href="preview_exam.php?exam=<?php echo urlencode($examID); ?>">

👁

<h3>

Preview Examination

</h3>

<p>

View the Examination Exactly as Students Will See It

</p>

</a>

<a
class="action-card"
href="publish_exam.php?exam=<?php echo urlencode($examID); ?>">

🚀

<h3>

Publish Examination

</h3>

<p>

Make Examination Available to Students

</p>

</a>

<a
class="action-card"
href="student_answers.php?exam=<?php echo urlencode($examID); ?>">

📂

<h3>

Student Answers

</h3>

<p>

Review Submitted Answers

</p>

</a>

<a
class="action-card"
href="teacher_report.php?exam=<?php echo urlencode($examID); ?>">

📄

<h3>

Teacher Report

</h3>

<p>

Printable Results and Reports

</p>

</a>

</div>

</div>

<!-- =====================================================
SYSTEM STATUS
====================================================== -->

<div class="grid grid-2">

<div class="card">

<h3 class="card-title">

System Status

</h3>

<p>

🟢 JSON Database

Healthy

</p>

<p>

🟢 Auto Save

Enabled

</p>

<p>

🟢 Question Storage

Ready

</p>

<p>

🟢 Answer Storage

Ready

</p>

<p>

🟢 Central Log

Running

</p>

</div>

<div class="card">

<h3 class="card-title">

Examination Summary

</h3>

<p>

<strong>Exam ID:</strong>

<?php echo htmlspecialchars($examID); ?>

</p>

<p>

<strong>Status:</strong>

<span class="badge badge-success">

<?php echo htmlspecialchars($status); ?>

</span>

</p>

<p>

<strong>Questions:</strong>

<?php echo $totalQuestions; ?>

/

<?php echo $targetQuestions; ?>

</p>

<p>

<strong>Submissions:</strong>

<?php echo $totalSubmissions; ?>

</p>

</div>

</div>

<!-- =====================================================
FOOTER
====================================================== -->

<div class="footer">

<p>

<strong>

EXAM-GATE ENTERPRISE

</strong>

</p>

<p>

Developed by

Zamex Link Limited

</p>

<p>

Copyright ©

<?php echo date("Y"); ?>

All Rights Reserved.

</p>

</div>

</div>

</div>

<script>

document.addEventListener("DOMContentLoaded",function(){

startLiveClock("liveClock");

});

</script>

</body>

</html>