Sindbad~EG File Manager

<?php
require_once 'config/config.php';

// Check if user is logged in
if (!isset($_SESSION['user_id'])) {
    die('Access denied. Please <a href="login.php">login</a> first.');
}

$db = Database::getInstance()->getConnection();
$success = [];
$errors = [];
$recreatedCodes = [];

// Include the code generation functions from codes.php
function generateTrackingCode($type = 'member') {
    $prefix = $type === 'member' ? 'MEM' : 'USR';
    return $prefix . date('Y') . str_pad(mt_rand(1, 999999), 6, '0', STR_PAD_LEFT);
}

function generateBarcode($code) {
    if (!extension_loaded('gd')) {
        return generateBarcodeSVG($code);
    }
    
    try {
        $width = 200;
        $height = 50;
        $image = imagecreate($width, $height);
        
        if (!$image) {
            return generateBarcodeSVG($code);
        }
        
        $white = imagecolorallocate($image, 255, 255, 255);
        $black = imagecolorallocate($image, 0, 0, 0);
        imagefill($image, 0, 0, $white);
        
        $codeLength = strlen($code);
        $x = 10;
        
        for ($i = 0; $i < $codeLength && $x < 180; $i++) {
            $char = ord($code[$i]);
            $pattern = $char % 4;
            
            for ($j = 0; $j < 3 && $x < 180; $j++) {
                $barWidth = ($pattern & (1 << $j)) ? 3 : 1;
                imagefilledrectangle($image, $x, 5, $x + $barWidth, 35, $black);
                $x += $barWidth + 1;
            }
        }
        
        imagestring($image, 2, 10, 37, substr($code, 0, 20), $black);
        
        ob_start();
        imagepng($image);
        $imageData = ob_get_contents();
        ob_end_clean();
        imagedestroy($image);
        
        if ($imageData) {
            return "data:image/png;base64," . base64_encode($imageData);
        } else {
            return generateBarcodeSVG($code);
        }
        
    } catch (Exception $e) {
        return generateBarcodeSVG($code);
    }
}

function generateBarcodeSVG($code) {
    $svg = '<?xml version="1.0" encoding="UTF-8"?>
    <svg width="200" height="50" xmlns="http://www.w3.org/2000/svg">
        <rect width="200" height="50" fill="white"/>
        <g fill="black">';
    
    $x = 10;
    $codeLength = strlen($code);
    
    for ($i = 0; $i < $codeLength && $x < 180; $i++) {
        $char = ord($code[$i]);
        $pattern = $char % 4;
        
        for ($j = 0; $j < 3 && $x < 180; $j++) {
            $barWidth = ($pattern & (1 << $j)) ? 3 : 1;
            $svg .= '<rect x="' . $x . '" y="5" width="' . $barWidth . '" height="30"/>';
            $x += $barWidth + 1;
        }
    }
    
    $svg .= '</g>
        <text x="100" y="45" text-anchor="middle" font-family="monospace" font-size="8" fill="black">' . htmlspecialchars(substr($code, 0, 20)) . '</text>
    </svg>';
    
    return "data:image/svg+xml;base64," . base64_encode($svg);
}

function generateQRCode($code) {
    if (!extension_loaded('gd')) {
        return generateQRCodeSVG($code);
    }
    
    try {
        $size = 100;
        $image = imagecreate($size, $size);
        
        if (!$image) {
            return generateQRCodeSVG($code);
        }
        
        $white = imagecolorallocate($image, 255, 255, 255);
        $black = imagecolorallocate($image, 0, 0, 0);
        imagefill($image, 0, 0, $white);
        
        $codeHash = md5($code);
        $blockSize = 5;
        
        imagefilledrectangle($image, 5, 5, 30, 30, $black);
        imagefilledrectangle($image, 70, 5, 95, 30, $black);
        imagefilledrectangle($image, 5, 70, 30, 95, $black);
        
        imagefilledrectangle($image, 10, 10, 25, 25, $white);
        imagefilledrectangle($image, 75, 10, 90, 25, $white);
        imagefilledrectangle($image, 10, 75, 25, 90, $white);
        
        imagefilledrectangle($image, 15, 15, 20, 20, $black);
        imagefilledrectangle($image, 80, 15, 85, 20, $black);
        imagefilledrectangle($image, 15, 80, 20, 85, $black);
        
        for ($i = 0; $i < 32; $i++) {
            $hexChar = hexdec($codeHash[$i]);
            for ($bit = 0; $bit < 4; $bit++) {
                if ($hexChar & (1 << $bit)) {
                    $x = 35 + (($i * 2 + $bit) % 6) * $blockSize;
                    $y = 35 + floor(($i * 2 + $bit) / 6) * $blockSize;
                    if ($x < 95 && $y < 95) {
                        imagefilledrectangle($image, $x, $y, $x + $blockSize - 1, $y + $blockSize - 1, $black);
                    }
                }
            }
        }
        
        ob_start();
        imagepng($image);
        $imageData = ob_get_contents();
        ob_end_clean();
        imagedestroy($image);
        
        if ($imageData) {
            return "data:image/png;base64," . base64_encode($imageData);
        } else {
            return generateQRCodeSVG($code);
        }
        
    } catch (Exception $e) {
        return generateQRCodeSVG($code);
    }
}

function generateQRCodeSVG($code) {
    $codeHash = md5($code);
    
    $svg = '<?xml version="1.0" encoding="UTF-8"?>
    <svg width="100" height="100" xmlns="http://www.w3.org/2000/svg">
        <rect width="100" height="100" fill="white"/>
        <g fill="black">
            <rect x="5" y="5" width="25" height="25"/>
            <rect x="70" y="5" width="25" height="25"/>
            <rect x="5" y="70" width="25" height="25"/>
            
            <rect x="10" y="10" width="15" height="15" fill="white"/>
            <rect x="75" y="10" width="15" height="15" fill="white"/>
            <rect x="10" y="75" width="15" height="15" fill="white"/>
            
            <rect x="15" y="15" width="5" height="5" fill="black"/>
            <rect x="80" y="15" width="5" height="5" fill="black"/>
            <rect x="15" y="80" width="5" height="5" fill="black"/>';
    
    $blockSize = 5;
    for ($i = 0; $i < 32; $i++) {
        $hexChar = hexdec($codeHash[$i]);
        for ($bit = 0; $bit < 4; $bit++) {
            if ($hexChar & (1 << $bit)) {
                $x = 35 + (($i * 2 + $bit) % 6) * $blockSize;
                $y = 35 + floor(($i * 2 + $bit) / 6) * $blockSize;
                if ($x < 95 && $y < 95) {
                    $svg .= '<rect x="' . $x . '" y="' . $y . '" width="' . $blockSize . '" height="' . $blockSize . '"/>';
                }
            }
        }
    }
    
    $svg .= '</g></svg>';
    
    return "data:image/svg+xml;base64," . base64_encode($svg);
}

echo "<!DOCTYPE html>
<html lang='en'>
<head>
    <meta charset='UTF-8'>
    <meta name='viewport' content='width=device-width, initial-scale=1.0'>
    <title>Regenerate All Member Codes</title>
    <script src='https://cdn.tailwindcss.com'></script>
    <link rel='stylesheet' href='https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css'>
</head>
<body class='bg-gray-100'>
    <div class='container mx-auto px-4 py-8 max-w-6xl'>
        <div class='bg-white rounded-lg shadow-lg p-8'>
            <h1 class='text-3xl font-bold text-gray-800 mb-6'>
                <i class='fas fa-sync-alt'></i> Regenerate All Member Codes
            </h1>";

try {
    // Get all existing codes
    $stmt = $db->query("SELECT * FROM memberuser_codes ORDER BY code_type, created_at");
    $existingCodes = $stmt->fetchAll(PDO::FETCH_ASSOC);
    
    $memberCodesCount = 0;
    $userCodesCount = 0;
    
    foreach ($existingCodes as $oldCode) {
        if ($oldCode['code_type'] === 'member') {
            $memberCodesCount++;
        } else {
            $userCodesCount++;
        }
    }
    
    echo "<div class='mb-6 p-4 bg-blue-100 border-l-4 border-blue-500'>
            <p class='text-blue-800'>Found <strong>$memberCodesCount</strong> member codes and <strong>$userCodesCount</strong> user codes.</p>
            <p class='text-blue-800 mt-2'>Regenerating all codes with proper barcode and QR code data...</p>
          </div>";
    
    $db->beginTransaction();
    
    // Process each existing code
    foreach ($existingCodes as $oldCode) {
        try {
            // Generate new tracking code
            do {
                $newTrackingCode = generateTrackingCode($oldCode['code_type']);
                $checkStmt = $db->prepare("SELECT id FROM memberuser_codes WHERE tracking_code = :code");
                $checkStmt->execute(['code' => $newTrackingCode]);
            } while ($checkStmt->fetch());
            
            // Generate new barcode and QR code
            $newBarcode = generateBarcode($newTrackingCode);
            $newQrcode = generateQRCode($newTrackingCode);
            
            // Delete old code
            $deleteStmt = $db->prepare("DELETE FROM memberuser_codes WHERE id = :id");
            $deleteStmt->execute(['id' => $oldCode['id']]);
            
            // Insert new code with same details but new tracking code and images
            $insertStmt = $db->prepare("
                INSERT INTO memberuser_codes (
                    code, description, member_id, user_id, event_id, code_type, tracking_code,
                    barcode, qrcode, created_by, expires_at, max_usage, is_active, usage_count
                ) VALUES (
                    :code, :description, :member_id, :user_id, :event_id, :code_type, :tracking_code,
                    :barcode, :qrcode, :created_by, :expires_at, :max_usage, :is_active, :usage_count
                )
            ");
            
            $insertStmt->execute([
                'code' => $oldCode['code'],
                'description' => $oldCode['description'],
                'member_id' => $oldCode['member_id'],
                'user_id' => $oldCode['user_id'],
                'event_id' => $oldCode['event_id'],
                'code_type' => $oldCode['code_type'],
                'tracking_code' => $newTrackingCode,
                'barcode' => $newBarcode,
                'qrcode' => $newQrcode,
                'created_by' => $oldCode['created_by'],
                'expires_at' => $oldCode['expires_at'],
                'max_usage' => $oldCode['max_usage'],
                'is_active' => $oldCode['is_active'],
                'usage_count' => $oldCode['usage_count']
            ]);
            
            $recreatedCodes[] = [
                'old_tracking' => $oldCode['tracking_code'],
                'new_tracking' => $newTrackingCode,
                'type' => $oldCode['code_type'],
                'barcode_length' => strlen($newBarcode),
                'qrcode_length' => strlen($newQrcode)
            ];
            
        } catch (Exception $e) {
            $errors[] = "Failed to regenerate code " . $oldCode['tracking_code'] . ": " . $e->getMessage();
        }
    }
    
    $db->commit();
    
    echo "<div class='mb-6 p-4 bg-green-100 border-l-4 border-green-500'>
            <h3 class='font-bold text-green-800 mb-2'><i class='fas fa-check-circle'></i> Success!</h3>
            <p class='text-green-800'>Successfully regenerated <strong>" . count($recreatedCodes) . "</strong> codes.</p>
          </div>";
    
    // Show summary table
    if (!empty($recreatedCodes)) {
        echo "<div class='mb-6'>
                <h2 class='text-xl font-bold mb-4'>Regenerated Codes Summary:</h2>
                <div class='overflow-x-auto'>
                    <table class='w-full border-collapse border border-gray-300'>
                        <thead class='bg-gray-100'>
                            <tr>
                                <th class='border border-gray-300 px-4 py-2'>Old Tracking Code</th>
                                <th class='border border-gray-300 px-4 py-2'>New Tracking Code</th>
                                <th class='border border-gray-300 px-4 py-2'>Type</th>
                                <th class='border border-gray-300 px-4 py-2'>Barcode Size</th>
                                <th class='border border-gray-300 px-4 py-2'>QR Code Size</th>
                            </tr>
                        </thead>
                        <tbody>";
        
        foreach ($recreatedCodes as $code) {
            $typeColor = $code['type'] === 'member' ? 'text-blue-600' : 'text-purple-600';
            $barcodeStatus = $code['barcode_length'] > 255 ? 'text-green-600 font-bold' : 'text-red-600';
            $qrcodeStatus = $code['qrcode_length'] > 255 ? 'text-green-600 font-bold' : 'text-red-600';
            
            echo "<tr>
                    <td class='border border-gray-300 px-4 py-2 font-mono text-sm'>" . htmlspecialchars($code['old_tracking']) . "</td>
                    <td class='border border-gray-300 px-4 py-2 font-mono text-sm font-bold'>" . htmlspecialchars($code['new_tracking']) . "</td>
                    <td class='border border-gray-300 px-4 py-2 $typeColor'>" . ucfirst($code['type']) . "</td>
                    <td class='border border-gray-300 px-4 py-2 $barcodeStatus'>" . number_format($code['barcode_length']) . " chars</td>
                    <td class='border border-gray-300 px-4 py-2 $qrcodeStatus'>" . number_format($code['qrcode_length']) . " chars</td>
                  </tr>";
        }
        
        echo "</tbody></table></div></div>";
    }
    
} catch (Exception $e) {
    if ($db->inTransaction()) {
        $db->rollBack();
    }
    echo "<div class='p-4 bg-red-100 border-l-4 border-red-500'>
            <h3 class='font-bold text-red-800 mb-2'><i class='fas fa-exclamation-circle'></i> Error!</h3>
            <p class='text-red-800'>" . htmlspecialchars($e->getMessage()) . "</p>
          </div>";
}

if (!empty($errors)) {
    echo "<div class='mt-4 p-4 bg-red-100 border-l-4 border-red-500'>
            <h3 class='font-bold text-red-800 mb-2'>Errors:</h3>
            <ul class='list-disc list-inside text-red-800'>";
    foreach ($errors as $error) {
        echo "<li>" . htmlspecialchars($error) . "</li>";
    }
    echo "</ul></div>";
}

echo "<div class='mt-6 p-4 bg-yellow-100 border-l-4 border-yellow-500'>
        <h3 class='font-bold text-yellow-800 mb-2'><i class='fas fa-info-circle'></i> Important Notes:</h3>
        <ul class='list-disc list-inside text-yellow-800'>
            <li>All codes have been assigned <strong>new tracking codes</strong></li>
            <li>Barcode and QR code images are now <strong>full size</strong> (not truncated)</li>
            <li>All other properties (description, expiry, usage count) have been preserved</li>
            <li>You can now view any code and see proper barcode/QR images</li>
        </ul>
      </div>";

echo "<div class='mt-6 flex gap-4'>
        <a href='modules/membership/codes.php' class='px-6 py-3 bg-blue-600 text-white rounded-lg hover:bg-blue-700 transition'>
            <i class='fas fa-qrcode mr-2'></i>View Member Codes
        </a>
        <a href='dashboard.php' class='px-6 py-3 bg-gray-600 text-white rounded-lg hover:bg-gray-700 transition'>
            <i class='fas fa-home mr-2'></i>Back to Dashboard
        </a>
      </div>";

echo "</div></div>
</body>
</html>";
?>