/**
 * Login System Test
 * Login sisteminin tüm bileşenlerini test eder
 * KULLANDIKTAN SONRA SİLİN!
 */

error_reporting(E_ALL);
ini_set('display_errors', 1);

echo "<h1>🔐 Login System Test</h1>";
echo "<hr>";

// Test credentials
$test_username = 'd3lishey';
$test_password = 'k3l3m3nali331!';
$test_hash = '$2a$12$yB0M/2IRu62PcUnYr4R6/OyTLDm2mKjaoenEDZIEr546hI0wrrIee';

echo "<h2>📋 Test Credentials:</h2>";
echo "<ul>";
echo "<li><strong>Username:</strong> $test_username</li>";
echo "<li><strong>Password:</strong> $test_password</li>";
echo "</ul>";
echo "<hr>";

// Test 1: Password verification
echo "<h2>1️⃣ Password Hash Test</h2>";

$verify_result = password_verify($test_password, $test_hash);

if ($verify_result) {
    echo "<div style='background: #d4edda; border: 1px solid #28a745; padding: 15px; border-radius: 5px;'>";
    echo "<h3>✅ Password verification SUCCESSFUL!</h3>";
    echo "<p>password_verify() returned TRUE</p>";
    echo "</div>";
} else {
    echo "<div style='background: #f8d7da; border: 1px solid #dc3545; padding: 15px; border-radius: 5px;'>";
    echo "<h3>❌ Password verification FAILED!</h3>";
    echo "<p>password_verify() returned FALSE</p>";
    echo "<p>This means the hash doesn't match the password!</p>";
    echo "</div>";
}

echo "<hr>";

// Test 2: Config file
echo "<h2>2️⃣ Config File Test</h2>";

$config_path = __DIR__ . '/includes/config.php';

if (file_exists($config_path)) {
    echo "<div style='background: #d4edda; border: 1px solid #28a745; padding: 15px; border-radius: 5px;'>";
    echo "<h3>✅ config.php exists!</h3>";
    echo "<p>Path: $config_path</p>";
    echo "</div>";
    
    // Try to include it
    echo "<h3>Testing config.php include...</h3>";
    define('BOOKING_SYSTEM', true);
    
    try {
        require_once $config_path;
        
        echo "<div style='background: #d4edda; border: 1px solid #28a745; padding: 15px; border-radius: 5px;'>";
        echo "<h3>✅ config.php loaded successfully!</h3>";
        echo "<ul>";
        echo "<li><strong>DB_HOST:</strong> " . (defined('DB_HOST') ? DB_HOST : 'NOT DEFINED') . "</li>";
        echo "<li><strong>DB_NAME:</strong> " . (defined('DB_NAME') ? DB_NAME : 'NOT DEFINED') . "</li>";
        echo "<li><strong>DB_USER:</strong> " . (defined('DB_USER') ? DB_USER : 'NOT DEFINED') . "</li>";
        echo "<li><strong>DB_PASS:</strong> " . (defined('DB_PASS') ? str_repeat('*', strlen(DB_PASS)) : 'NOT DEFINED') . "</li>";
        echo "</ul>";
        echo "</div>";
    } catch (Exception $e) {
        echo "<div style='background: #f8d7da; border: 1px solid #dc3545; padding: 15px; border-radius: 5px;'>";
        echo "<h3>❌ config.php error!</h3>";
        echo "<p>" . htmlspecialchars($e->getMessage()) . "</p>";
        echo "</div>";
    }
} else {
    echo "<div style='background: #f8d7da; border: 1px solid #dc3545; padding: 15px; border-radius: 5px;'>";
    echo "<h3>❌ config.php NOT FOUND!</h3>";
    echo "<p>Expected path: $config_path</p>";
    echo "</div>";
}

echo "<hr>";

// Test 3: Database connection via config
if (defined('DB_HOST')) {
    echo "<h2>3️⃣ Database Connection Test (via config)</h2>";
    
    try {
        $dsn = "mysql:host=" . DB_HOST . ";dbname=" . DB_NAME . ";charset=utf8mb4";
        $pdo = new PDO($dsn, DB_USER, DB_PASS, [
            PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
        ]);
        
        echo "<div style='background: #d4edda; border: 1px solid #28a745; padding: 15px; border-radius: 5px;'>";
        echo "<h3>✅ Database connection SUCCESSFUL!</h3>";
        echo "</div>";
        
        // Check admin user
        echo "<h3>Checking admin user...</h3>";
        
        $stmt = $pdo->prepare("SELECT * FROM admins WHERE username = ?");
        $stmt->execute([$test_username]);
        $admin = $stmt->fetch();
        
        if ($admin) {
            echo "<div style='background: #d4edda; border: 1px solid #28a745; padding: 15px; border-radius: 5px;'>";
            echo "<h3>✅ User found in database!</h3>";
            echo "<ul>";
            echo "<li><strong>ID:</strong> " . $admin['id'] . "</li>";
            echo "<li><strong>Username:</strong> " . $admin['username'] . "</li>";
            echo "<li><strong>Email:</strong> " . $admin['email'] . "</li>";
            echo "<li><strong>Password Hash:</strong> " . substr($admin['password_hash'], 0, 30) . "...</li>";
            echo "</ul>";
            echo "</div>";
            
            // Verify password against DB hash
            echo "<h3>Testing password against DB hash...</h3>";
            
            $db_verify = password_verify($test_password, $admin['password_hash']);
            
            if ($db_verify) {
                echo "<div style='background: #d4edda; border: 1px solid #28a745; padding: 15px; border-radius: 5px;'>";
                echo "<h3>✅ PASSWORD MATCHES DATABASE HASH!</h3>";
                echo "<p>Login should work!</p>";
                echo "</div>";
            } else {
                echo "<div style='background: #f8d7da; border: 1px solid #dc3545; padding: 15px; border-radius: 5px;'>";
                echo "<h3>❌ PASSWORD DOES NOT MATCH DATABASE HASH!</h3>";
                echo "<p>This is the problem! Update the password hash in database.</p>";
                echo "</div>";
            }
            
        } else {
            echo "<div style='background: #f8d7da; border: 1px solid #dc3545; padding: 15px; border-radius: 5px;'>";
            echo "<h3>❌ User NOT found in database!</h3>";
            echo "<p>User '$test_username' does not exist!</p>";
            echo "</div>";
        }
        
    } catch (PDOException $e) {
        echo "<div style='background: #f8d7da; border: 1px solid #dc3545; padding: 15px; border-radius: 5px;'>";
        echo "<h3>❌ Database connection FAILED!</h3>";
        echo "<p>" . htmlspecialchars($e->getMessage()) . "</p>";
        echo "</div>";
    }
}

echo "<hr>";

// Test 4: Session
echo "<h2>4️⃣ Session Test</h2>";

if (session_status() === PHP_SESSION_NONE) {
    session_start();
    echo "<div style='background: #d4edda; border: 1px solid #28a745; padding: 15px; border-radius: 5px;'>";
    echo "<h3>✅ Session started successfully!</h3>";
    echo "</div>";
} else {
    echo "<div style='background: #d1ecf1; border: 1px solid #17a2b8; padding: 15px; border-radius: 5px;'>";
    echo "<h3>ℹ️ Session already active!</h3>";
    echo "</div>";
}

echo "<hr>";

// Test 5: File permissions
echo "<h2>5️⃣ File Permissions Test</h2>";

$files_to_check = [
    'includes/config.php',
    'admin/login.php',
    'logs/',
    'logs/error.log',
];

echo "<table border='1' cellpadding='10' style='border-collapse: collapse; width: 100%;'>";
echo "<tr style='background: #f8f9fa;'><th>File/Folder</th><th>Exists</th><th>Readable</th><th>Writable</th></tr>";

foreach ($files_to_check as $file) {
    $path = __DIR__ . '/' . $file;
    $exists = file_exists($path);
    $readable = is_readable($path);
    $writable = is_writable($path);
    
    echo "<tr>";
    echo "<td>$file</td>";
    echo "<td>" . ($exists ? '✅' : '❌') . "</td>";
    echo "<td>" . ($readable ? '✅' : '❌') . "</td>";
    echo "<td>" . ($writable ? '✅' : '❌') . "</td>";
    echo "</tr>";
}

echo "</table>";

echo "<hr>";
echo "<div style='background: #fff3cd; border: 1px solid #ffc107; padding: 15px; border-radius: 5px;'>";
echo "<h3>⚠️ IMPORTANT!</h3>";
echo "<p><strong>DELETE THIS FILE AFTER TESTING!</strong></p>";
echo "<p>This file contains sensitive information and should not be accessible in production.</p>";
echo "</div>";

?>

<style>
body {
    font-family: Arial, sans-serif;
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    background: #f5f5f5;
}
h1 { color: #333; }
h2 { color: #555; margin-top: 20px; }
h3 { color: #666; margin-top: 10px; }
</style>