<?php
require_once('source/session.php');
require_once('source/error.php');
require_once('source/dbconfig.php');
require_once('source/dbconfig4.php'); // Add central settings
require_once('source/function.php');
require_once('source/restrict_admin.php');

// Get current branch settings from central database
$branchCode = getCurrentBranchCode();
$branchSettings = getSchoolSettings($branchCode);

if ($branchSettings) {
    $schoolName = $branchSettings['branch_name'];
    $schoolAddress = $branchSettings['branch_address'];
    $schoolShortName = $branchSettings['branch_short_name'];
    $schoolMotto = $branchSettings['school_motto'];
    $schoolLogo = $branchSettings['school_logo_path'];
    $schoolPhone = $branchSettings['contact_phone'];
    $schoolEmail = $branchSettings['contact_email'];
    $footerText = $branchSettings['footer_text'];
    $footerCopyright = $branchSettings['footer_copyright'];
} else {
    // Fallback values if no branch settings found
    $schoolName = "Henzy Royal International School";
    $schoolAddress = "No 17 Amadi Street, Amakohia, Uratta Owerri Imo State Nigeria";
    $schoolShortName = "HRIS";
    $schoolMotto = "THE PRIDE OF EXCELLENCE";
    $schoolLogo = "coll_logo.png";
    $schoolPhone = "+234 803 292 9756";
    $schoolEmail = "support@hris.com.ng";
    $footerText = "THE PRIDE OF EXCELLENCE";
    $footerCopyright = "Copyright © Henzy Royal International School";
}

// Get system-wide settings
$supportPhone = getSystemSetting('support_phone') ?: $schoolPhone;
$supportEmail = getSystemSetting('support_email') ?: $schoolEmail;
$developerName = getSystemSetting('developer_name') ?: 'DataSwift Coders';
$developerWebsite = getSystemSetting('developer_website') ?: 'https://dataswift.com.ng';

// Get all branches for branch switcher
$allBranches = getAllBranches();

// Handle messages
$msg = '';
if(isset($_GET['msg'])) {
    if($_GET['msg'] == "refered") {
        $msg = "<div class='alert alert-success text-center mb-4'><i class='fas fa-check-circle me-2'></i>Referred successfully</div>";
    } else if($_GET['msg'] == "failed") {
        $msg = "<div class='alert alert-warning text-center mb-4'><i class='fas fa-exclamation-triangle me-2'></i>Something went wrong, please try again</div>";
    }
}

if(isset($_SESSION['msg']) && $_SESSION['msg'] == "update") {
    $msg = "<div class='alert alert-success text-center mb-4'><i class='fas fa-check-circle me-2'></i>Order Update Successful. Customer will receive email. <a href='new_order.php' class='btn btn-sm ms-2' style='background-color: var(--secondary-gold); color: var(--dark-blue);'>Refresh</a></div>";
    unset($_SESSION['msg']);
}

// Process results if val and hsh parameters exist
if(isset($_GET['val']) && isset($_GET['hsh'])) {
    $rows1 = sql($DBH, "SELECT * FROM tbl_student_results where csv_no = ?", [$_GET['val']], "rows");
    foreach($rows1 as $row1) {    
        $total = ($row1['test'] + $row1['home_work'] + $row1['project'] + $row1['exam']);
        sql($DBH, "UPDATE tbl_student_results set total = ?, teacher_no = ? WHERE registration_no =? AND test = ?", 
            [$total, $_GET['hsh'], $row1['registration_no'], $row1['test']]);
        
        // Calculate positions and grades
        $rows2 = sql($DBH, "SELECT * FROM tbl_student_results where csv_no = ? ORDER by (total) desc", [$_GET['val']], "rows");
        $sno = 0;
        foreach($rows2 as $row2) {    
            $sno++;
            $us_total = $row2['total'];
            
            if($us_total <= 39) {
                $grade = "Poor";
            } else if ($us_total > 39 && $us_total <= 49) {
                $grade = "Fair";
            } else if ($us_total > 49 && $us_total <= 59) {
                $grade = "Credit";
            } else if ($us_total > 59 && $us_total <= 69) {
                $grade = "Good";
            } else if ($us_total > 69 && $us_total <= 79) {
                $grade = "Very Good";
            } else if ($us_total > 79 && $us_total <= 100) {
                $grade = "Excellent";
            }
            
            sql($DBH, "UPDATE tbl_student_results set grade = ?, position = ? WHERE registration_no =? AND test = ?", 
                [$grade, $sno, $row2['registration_no'], $row2['test']]);
        }
    }
}

// Get all result classes for the selected term and year
$result_classes = [];
if(isset($_GET['id']) && isset($_GET['examyear'])) {
    $result_classes = sql($DBH, 
        "SELECT DISTINCT class FROM tbl_student_results WHERE term = ? AND year = ? ORDER BY class", 
        [$_GET['id'], $_GET['examyear']], 
        "rows"
    );
}

// Get admin full name
$admin_fullname = '';
$rows = sql($DBH, "SELECT fullname FROM tbl_admin WHERE status = ?", ["Active"], "rows");
if(!empty($rows)) {
    $admin_fullname = $rows[0]['fullname'];
}
?>
<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
  <title>Class Results - <?php echo $schoolName; ?></title>
  <link rel="icon" type="image/png" href="../<?php echo $schoolLogo; ?>">
  
  <!-- Bootstrap 5 CSS -->
  <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
  
  <!-- Font Awesome -->
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
  
  <!-- Google Fonts -->
  <link href="https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap" rel="stylesheet">
  
  <!-- Custom CSS -->
  <style>
    :root {
      --primary-blue: #1a4b8c;    /* Royal Blue */
      --secondary-gold: #FFD700;    /* Gold */
      --dark-blue: #0f2b4f;         /* Dark Blue */
      --light-blue: #4a7db5;         /* Medium Blue */
      --light-gold: #FFF1B8;          /* Light Gold */
      --bg-light: #f5f9ff;
    }
    
    body {
      font-family: 'Poppins', sans-serif;
      background-color: var(--bg-light);
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }
    
    /* Navbar Styles */
    .navbar {
      background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
      box-shadow: 0 0.15rem 1.75rem 0 rgba(26, 75, 140, 0.2);
      position: fixed;
      top: 0;
      width: 100%;
      z-index: 1030;
      color: white;
      border-bottom: 2px solid var(--secondary-gold);
    }
    
    .navbar-brand {
      font-weight: 800;
      font-size: 1.2rem;
      color: white;
      display: flex;
      align-items: center;
    }
    
    .navbar-brand img {
      border-radius: 4px;
      margin-right: 10px;
    }
    
    /* Branch Badge */
    .branch-badge {
      background: var(--secondary-gold);
      color: var(--dark-blue);
      padding: 0.25rem 0.75rem;
      border-radius: 20px;
      font-size: 0.75rem;
      font-weight: 600;
      display: inline-block;
    }
    
    /* Sidebar Styles */
    .sidebar {
      background: linear-gradient(180deg, var(--dark-blue) 0%, var(--primary-blue) 100%);
      position: fixed;
      top: 56px;
      left: -250px;
      width: 250px;
      height: calc(100vh - 56px);
      transition: all 0.3s;
      z-index: 1000;
      overflow-y: auto;
      border-right: 3px solid var(--secondary-gold);
    }
    
    .sidebar.active {
      left: 0;
    }
    
    .sidebar .nav-link {
      color: rgba(255, 255, 255, 0.9);
      font-weight: 500;
      padding: 0.75rem 1rem;
      margin-bottom: 0.2rem;
      transition: all 0.2s;
      border-left: 3px solid transparent;
    }
    
    .sidebar .nav-link:hover {
      color: white;
      background-color: rgba(255, 215, 0, 0.15);
      border-left-color: var(--secondary-gold);
    }
    
    .sidebar .nav-link.active {
      color: var(--dark-blue);
      background-color: var(--secondary-gold);
      border-left-color: var(--dark-blue);
      font-weight: 600;
    }
    
    .sidebar .nav-link i {
      margin-right: 0.5rem;
      width: 20px;
      text-align: center;
    }
    
    .sidebar-logo {
      text-align: center;
      margin-bottom: 1rem;
      padding: 1rem;
    }
    
    .logo-text {
      font-size: 1.5rem;
      font-weight: 900;
      color: white;
      letter-spacing: 2px;
      line-height: 1.2;
    }
    
    .logo-text span {
      color: var(--secondary-gold);
    }
    
    .logo-tagline {
      font-size: 0.65rem;
      color: var(--secondary-gold);
      letter-spacing: 1px;
    }
    
    /* Main Content Styles */
    .main-content {
      margin-left: 0;
      width: 100%;
      transition: all 0.3s;
      flex: 1 0 auto;
      padding-top: 56px;
    }
    
    @media (min-width: 992px) {
      .sidebar {
        left: 0;
      }
      .main-content {
        margin-left: 250px;
        width: calc(100% - 250px);
      }
    }
    
    /* Card Styles */
    .card {
      border: none;
      border-radius: 12px;
      box-shadow: 0 0.5rem 1rem rgba(26, 75, 140, 0.1);
      margin-bottom: 1.5rem;
      transition: transform 0.3s, box-shadow 0.3s;
      border: 1px solid rgba(255, 215, 0, 0.2);
    }
    
    .card:hover {
      transform: translateY(-5px);
      box-shadow: 0 1rem 2rem rgba(26, 75, 140, 0.15);
      border-color: var(--secondary-gold);
    }
    
    .card-header {
      background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
      border-bottom: 2px solid var(--secondary-gold);
      font-weight: 700;
      color: white;
      padding: 1rem 1.5rem;
    }
    
    .card-header h6 {
      margin: 0;
      color: white;
    }
    
    .card-header h6 i {
      color: var(--secondary-gold);
    }
    
    /* Button Styles */
    .btn-primary {
      background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
      border-color: var(--secondary-gold);
      padding: 0.5rem 1.5rem;
      font-weight: 600;
      color: white;
    }
    
    .btn-primary:hover {
      background: linear-gradient(135deg, var(--secondary-gold), #e6b800);
      border-color: var(--dark-blue);
      color: var(--dark-blue);
    }
    
    .btn-danger {
      background-color: #dc3545;
      border-color: #dc3545;
    }
    
    .btn-danger:hover {
      background-color: #c82333;
      border-color: #bd2130;
    }
    
    .btn-outline-secondary {
      border-color: var(--secondary-gold);
      color: var(--dark-blue);
    }
    
    .btn-outline-secondary:hover {
      background-color: var(--secondary-gold);
      border-color: var(--dark-blue);
      color: var(--dark-blue);
    }
    
    /* Admin Info Styles */
    .admin-info {
      display: flex;
      align-items: center;
      background-color: rgba(255, 215, 0, 0.2);
      padding: 8px 12px;
      border-radius: 8px;
      color: white;
    }
    
    .admin-name {
      margin-right: 5px;
      font-weight: 600;
    }
    
    .admin-access {
      font-style: italic;
      opacity: 0.8;
      margin-right: 10px;
      font-size: 0.9rem;
    }
    
    .admin-icon {
      font-size: 1.5rem;
      color: var(--secondary-gold);
    }
    
    /* Branch Switcher */
    .branch-switcher {
      background: rgba(255,255,255,0.1);
      padding: 0.25rem 0.5rem;
      border-radius: 4px;
      margin-left: 1rem;
    }
    
    .branch-switcher select {
      background: white;
      border: 1px solid var(--secondary-gold);
      border-radius: 4px;
      padding: 0.25rem;
      font-size: 0.8rem;
    }
    
    /* Footer styles */
    .footer {
      background: linear-gradient(135deg, var(--dark-blue), var(--primary-blue));
      color: white;
      padding: 20px 0;
      flex-shrink: 0;
      width: 100%;
      border-top: 2px solid var(--secondary-gold);
    }
    
    @media (min-width: 992px) {
      .footer {
        margin-left: 250px;
        width: calc(100% - 250px);
      }
    }
    
    .copyright-text {
      font-weight: 600;
      font-size: 1rem;
    }
    
    .copyright-text i {
      color: var(--secondary-gold);
    }
    
    .powered-by {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      color: white;
    }
    
    .powered-by img {
      height: 30px;
      margin-left: 10px;
      filter: brightness(0) invert(1);
    }
    
    .powered-by-link {
      display: flex;
      align-items: center;
      text-decoration: none;
      color: var(--secondary-gold);
      transition: opacity 0.3s ease;
    }
    
    .powered-by-link:hover {
      opacity: 0.8;
      color: white;
    }
    
    /* Support badge */
    .support-badge {
      background: linear-gradient(135deg, var(--secondary-gold), #e6b800);
      color: var(--dark-blue);
      font-weight: 600;
      padding: 0.5rem 1rem;
      border: 1px solid var(--dark-blue);
    }
    
    /* Breadcrumbs */
    .breadcrumb-custom .breadcrumb {
      background-color: transparent;
      padding: 0;
    }
    
    .breadcrumb-custom .breadcrumb-item a {
      color: var(--primary-blue);
      text-decoration: none;
      font-weight: 500;
    }
    
    .breadcrumb-custom .breadcrumb-item a:hover {
      color: var(--secondary-gold);
    }
    
    .breadcrumb-custom .breadcrumb-item.active {
      color: var(--dark-blue);
      font-weight: 600;
    }
    
    .breadcrumb-item + .breadcrumb-item::before {
      color: var(--secondary-gold);
    }
    
    /* Result Folder Styles */
    .result-folder {
      width: 280px;
      min-height: 140px;
      transition: all 0.2s ease;
      border-left: 4px solid var(--secondary-gold);
      background: white;
      padding: 20px;
      margin: 12px;
      border-radius: 12px;
      box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,0.075);
      display: flex;
      flex-direction: column;
      border: 1px solid rgba(255, 215, 0, 0.2);
    }
    
    .result-folder:hover {
      transform: translateY(-5px);
      box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.15);
      border-color: var(--secondary-gold);
    }
    
    .folder-container {
      display: flex;
      flex-wrap: wrap;
      gap: 15px;
      padding: 20px;
      background: linear-gradient(135deg, var(--light-gold) 0%, #ffffff 100%);
      border-radius: 12px;
    }
    
    .class-name {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 15px;
      white-space: normal;
      word-break: break-word;
      color: var(--dark-blue);
      border-bottom: 2px solid var(--light-gold);
      padding-bottom: 10px;
    }
    
    .class-name i {
      color: var(--secondary-gold);
      margin-right: 8px;
    }
    
    .folder-actions {
      margin-top: auto;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    
    /* Alert styles */
    .alert-success {
      background-color: #d4edda;
      border-color: #c3e6cb;
      color: #155724;
    }
    
    .alert-warning {
      background-color: var(--light-gold);
      border-color: var(--secondary-gold);
      color: var(--dark-blue);
    }
    
    .alert-info {
      background-color: var(--bg-light);
      border-color: var(--primary-blue);
      color: var(--dark-blue);
    }
    
    .alert-info i {
      color: var(--secondary-gold);
    }
    
    /* Page heading */
    .text-gray-800 {
      color: var(--dark-blue);
      font-weight: 700;
    }
    
    /* Responsive adjustments */
    @media (max-width: 768px) {
      .card-body {
        padding: 1.5rem;
      }
      
      .admin-info {
        padding: 6px 10px;
      }
      
      .admin-name, .admin-access {
        font-size: 0.8rem;
      }
      
      .result-folder {
        width: 100%;
        margin: 5px 0;
      }
    }
  </style>
</head>

<body>
  <!-- Top Navigation -->
  <nav class="navbar navbar-expand-lg navbar-dark">
    <div class="container-fluid">
      <button id="sidebarToggle" class="btn btn-link d-lg-none me-2">
        <i class="fas fa-bars" style="color: white;"></i>
      </button>
      <a class="navbar-brand d-none d-lg-block" href="#">
        <img src="../<?php echo $schoolLogo; ?>" alt="<?php echo $schoolName; ?>" height="35" style="border-radius: 4px;" onerror="this.src='coll_logo.png';">
        <?php echo $schoolShortName ?: substr($schoolName, 0, 20); ?>
      </a>
      
      <!-- Branch Switcher (visible on desktop) -->
      <?php if (count($allBranches) > 1): ?>
      <div class="d-none d-lg-block branch-switcher">
        <form method="get" class="d-flex align-items-center">
          <span class="text-white me-2 small">Branch:</span>
          <select name="branch" class="form-select form-select-sm" style="width: auto;" onchange="this.form.submit()">
            <option value="" style="color: #333;">Select</option>
            <?php foreach ($allBranches as $branch): ?>
            <option value="<?php echo $branch['branch_code']; ?>" style="color: #333;" 
                    <?php echo ($branchCode == $branch['branch_code']) ? 'selected' : ''; ?>>
              <?php echo $branch['branch_code']; ?> - <?php echo substr($branch['branch_name'], 0, 10); ?>
            </option>
            <?php endforeach; ?>
          </select>
        </form>
      </div>
      <?php endif; ?>
      
      <div class="ms-auto d-flex align-items-center">
        <div class="admin-info me-3">
          <span class="admin-name"><?php echo htmlspecialchars($admin_fullname ?: 'Admin'); ?></span>
          <span class="admin-access">(Administrator)</span>
          <?php if ($branchCode): ?>
          <span class="branch-badge ms-2"><?php echo strtoupper($branchCode); ?></span>
          <?php endif; ?>
          <i class="fas fa-user-circle admin-icon ms-2"></i>
        </div>
        <a href="logout.php" class="btn btn-sm btn-outline-light" style="border-color: var(--secondary-gold); color: var(--secondary-gold);">
          <i class="fas fa-sign-out-alt"></i>
        </a>
      </div>
    </div>
  </nav>

  <!-- Sidebar -->
  <nav id="sidebar" class="sidebar">
    <div class="position-sticky pt-3">
      <div class="sidebar-logo d-none d-lg-block">
        <div class="logo-text">
          <?php 
            $words = explode(' ', $schoolName);
            $initials = '';
            foreach ($words as $word) {
                if (!empty($word)) $initials .= strtoupper(substr($word, 0, 1));
            }
            echo substr($initials, 0, 2) . '.<span>' . (isset($initials[2]) ? substr($initials, 2, 1) : 'S') . '</span>';
          ?>
        </div>
        <div class="logo-tagline">
          <?php echo $schoolMotto; ?>
        </div>
        <hr style="border-color: var(--secondary-gold); opacity: 0.3;">
        <p class="text-white small px-2">
          <i class="fas fa-map-marker-alt" style="color: var(--secondary-gold);"></i><br>
          <?php echo $schoolAddress; ?>
        </p>
      </div>
      
      <ul class="nav flex-column">
        <li class="nav-item">
          <a class="nav-link" href="main.php<?php echo $branchCode ? '?branch='.$branchCode : ''; ?>">
            <i class="fas fa-fw fa-tachometer-alt"></i>
            Admin Centre
          </a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="post_session.php<?php echo $branchCode ? '?branch='.$branchCode : ''; ?>">
            <i class="fas fa-fw fa-calendar-alt"></i>
            School Year/Session
          </a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="post_classes.php<?php echo $branchCode ? '?branch='.$branchCode : ''; ?>">
            <i class="fas fa-fw fa-building"></i>
            Manage Classes
          </a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="add_students.php<?php echo $branchCode ? '?branch='.$branchCode : ''; ?>">
            <i class="fas fa-fw fa-user-plus"></i>
            Register New Student
          </a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="post_subjects.php<?php echo $branchCode ? '?branch='.$branchCode : ''; ?>">
            <i class="fas fa-fw fa-book"></i>
            Create Subjects
          </a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="teachers.php<?php echo $branchCode ? '?branch='.$branchCode : ''; ?>">
            <i class="fas fa-fw fa-chalkboard-teacher"></i>
            Manage Teachers
          </a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="students.php<?php echo $branchCode ? '?branch='.$branchCode : ''; ?>">
            <i class="fas fa-fw fa-users"></i>
            Manage Students
          </a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="deactivate_students.php<?php echo $branchCode ? '?branch='.$branchCode : ''; ?>">
            <i class="fas fa-fw fa-user-lock"></i>
            Activate/Deactivate
          </a>
        </li>
        <li class="nav-item">
          <a class="nav-link active" href="upload_results.php<?php echo $branchCode ? '?branch='.$branchCode : ''; ?>">
            <i class="fas fa-fw fa-upload"></i>
            Upload Results
          </a>
        </li>
        <li class="nav-item mt-3">
          <a class="nav-link" href="portal_settings.php<?php echo $branchCode ? '?branch='.$branchCode : ''; ?>">
            <i class="fas fa-fw fa-cog" style="color: var(--secondary-gold);"></i>
            <span style="color: var(--secondary-gold);">Portal Settings</span>
          </a>
        </li>
      </ul>
    </div>
  </nav>

<!-- Main Content -->
<main class="main-content">
    <div class="container-fluid px-4 pt-4">
        <!-- Page Heading -->
        <div class="d-sm-flex align-items-center justify-content-between mb-4">
            <h1 class="h3 mb-0 text-gray-800">
                <i class="fas fa-chart-line me-2" style="color: var(--secondary-gold);"></i>
                Class Results Management
                <?php if ($branchCode): ?>
                <span class="branch-badge ms-2"><?php echo strtoupper($branchCode); ?></span>
                <?php endif; ?>
            </h1>
            <div class="d-none d-sm-inline-block">
                <span class="badge support-badge p-2">
                    <i class="fas fa-phone-alt me-1"></i> Support: <?php echo $supportPhone; ?>
                </span>
            </div>
        </div>

        <!-- Mobile Branch Switcher (visible only on mobile) -->
        <?php if (count($allBranches) > 1): ?>
        <div class="d-lg-none mb-3">
            <div class="card">
                <div class="card-body py-2">
                    <form method="get" class="d-flex align-items-center">
                        <label class="me-2 mb-0"><i class="fas fa-school"></i></label>
                        <select name="branch" class="form-select form-select-sm" onchange="this.form.submit()">
                            <option value="">Select Branch</option>
                            <?php foreach ($allBranches as $branch): ?>
                            <option value="<?php echo $branch['branch_code']; ?>" 
                                    <?php echo ($branchCode == $branch['branch_code']) ? 'selected' : ''; ?>>
                                <?php echo $branch['branch_name']; ?> (<?php echo $branch['branch_code']; ?>)
                            </option>
                            <?php endforeach; ?>
                        </select>
                    </form>
                </div>
            </div>
        </div>
        <?php endif; ?>

        <!-- Messages -->
        <?php if (!empty($msg)) echo $msg; ?>

        <!-- Breadcrumbs -->
        <div class="breadcrumb-custom mb-4">
            <nav aria-label="breadcrumb">
                <ol class="breadcrumb mb-0">
                    <li class="breadcrumb-item"><a href="main.php<?php echo $branchCode ? '?branch='.$branchCode : ''; ?>">Admin Dashboard</a></li>
                    <li class="breadcrumb-item"><a href="upload_results.php<?php echo $branchCode ? '?branch='.$branchCode : ''; ?>">Upload Results</a></li>
                    <li class="breadcrumb-item"><a href="main_term.php?id=<?php echo urlencode($_GET['examyear'] ?? ''); ?><?php echo $branchCode ? '&branch='.$branchCode : ''; ?>"><?php echo htmlspecialchars($_GET['examyear'] ?? ''); ?></a></li>
                    <li class="breadcrumb-item active"><?php echo htmlspecialchars($_GET['id'] ?? ''); ?> Term</li>
                </ol>
            </nav>
        </div>

        <!-- Result Folders Section -->
        <div class="card shadow mb-4">
            <div class="card-header py-3">
                <h6 class="m-0 font-weight-bold">
                    <i class="fas fa-folder-open me-2" style="color: var(--secondary-gold);"></i>
                    Classes - <?php echo htmlspecialchars($_GET['id'] ?? ''); ?> Term, <?php echo htmlspecialchars($_GET['examyear'] ?? ''); ?> Session
                </h6>
            </div>
            <div class="card-body">
                <div class="folder-container">
                    <?php
                    if(!empty($result_classes)) {
                        foreach($result_classes as $class) {
                            $class_name = $class['class'];
                            $g_id = $_GET['id'] ?? '';
                            $g_yr = $_GET['examyear'] ?? '';
                            
                            echo '
                            <div class="result-folder">
                                <div class="class-name">
                                    <i class="fas fa-building"></i>
                                    '.htmlspecialchars($class_name).'
                                </div>
                                <div class="folder-actions">
                                    <a href="main_students.php?id='.urlencode($class_name).'&term='.urlencode($g_id).'&examyear='.urlencode($g_yr).($branchCode ? '&branch='.$branchCode : '').'" 
                                        class="btn btn-primary w-100" target="_blank">
                                        <i class="fas fa-eye me-2"></i> View Results
                                    </a>
                                    <a href="#" onclick="return confirmDelete(\''.htmlspecialchars($class_name).'\', \''.htmlspecialchars($g_id).'\', \''.htmlspecialchars($g_yr).'\')" 
                                        class="btn btn-danger w-100">
                                        <i class="fas fa-trash-alt me-2"></i> Delete All
                                    </a>
                                </div>
                            </div>';
                        }
                    } else {
                        echo '<div class="alert alert-info w-100 mb-0">
                                <i class="fas fa-info-circle me-2" style="color: var(--secondary-gold);"></i>
                                No classes found with results for the selected term and session.
                              </div>';
                    }
                    ?>
                </div>
            </div>
        </div>

        <!-- Quick Stats -->
        <div class="row">
            <div class="col-md-4 mb-4">
                <div class="card bg-primary text-white">
                    <div class="card-body">
                        <div class="d-flex justify-content-between align-items-center">
                            <div>
                                <h6 class="text-white-50">Total Classes</h6>
                                <h3 class="text-white"><?php echo count($result_classes); ?></h3>
                            </div>
                            <i class="fas fa-school fa-3x opacity-50"></i>
                        </div>
                    </div>
                </div>
            </div>
            <div class="col-md-4 mb-4">
                <div class="card bg-success text-white">
                    <div class="card-body">
                        <div class="d-flex justify-content-between align-items-center">
                            <div>
                                <h6 class="text-white-50">Term</h6>
                                <h3 class="text-white"><?php echo htmlspecialchars($_GET['id'] ?? 'N/A'); ?></h3>
                            </div>
                            <i class="fas fa-calendar-alt fa-3x opacity-50"></i>
                        </div>
                    </div>
                </div>
            </div>
            <div class="col-md-4 mb-4">
                <div class="card bg-info text-white">
                    <div class="card-body">
                        <div class="d-flex justify-content-between align-items-center">
                            <div>
                                <h6 class="text-white-50">Session</h6>
                                <h3 class="text-white"><?php echo htmlspecialchars($_GET['examyear'] ?? 'N/A'); ?></h3>
                            </div>
                            <i class="fas fa-calendar fa-3x opacity-50"></i>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
</main>

<!-- Footer -->
<footer class="footer">
    <div class="container-fluid">
        <div class="row align-items-center">
            <div class="col-md-6">
                <span class="copyright-text">
                    <i class="fas fa-copyright me-1"></i> <?php echo $footerCopyright; ?> <?php echo date("Y"); ?>
                    <?php if ($branchCode): ?>
                    <span class="branch-badge ms-2"><?php echo strtoupper($branchCode); ?></span>
                    <?php endif; ?>
                </span>
            </div>
            <div class="col-md-6">
                <div class="powered-by">
                    <a href="<?php echo $developerWebsite; ?>" target="_blank" rel="noopener noreferrer" class="powered-by-link">
                        <span>Powered by <?php echo $developerName; ?></span>
                        <img src="datalogo.png" alt="<?php echo $developerName; ?> Logo" onerror="this.style.display='none';">
                    </a>
                </div>
            </div>
        </div>
    </div>
</footer>

<!-- Bootstrap 5 JS Bundle with Popper -->
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>

<!-- jQuery -->
<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>

<!-- Custom Scripts -->
<script>
    // Toggle sidebar on mobile
    document.getElementById('sidebarToggle').addEventListener('click', function() {
        document.getElementById('sidebar').classList.toggle('active');
        document.querySelector('.main-content').classList.toggle('active');
    });

    // Delete confirmation
    function confirmDelete(className, termId, examYear) {
        <?php if ($branchCode): ?>
        const branchParam = '&branch=<?php echo $branchCode; ?>';
        <?php else: ?>
        const branchParam = '';
        <?php endif; ?>
        
        if(confirm('Are you sure you want to delete ALL results for ' + className + '?\n\nThis action cannot be undone!')) {
            window.location.href = 'settings.php?delete_results=' + encodeURIComponent(className) + '&term=' + encodeURIComponent(termId) + '&examyear=' + encodeURIComponent(examYear) + branchParam;
        }
        return false;
    }

    // Auto-hide alerts after 5 seconds
    $(document).ready(function() {
        setTimeout(function() {
            $('.alert').fadeOut('slow');
        }, 5000);
    });
</script>
</body>
</html>