/home/awneajlw/www/codestechvista.com/shop-registration-step4.php
<?php
session_start();
require_once 'config/database.php';
require_once 'includes/auth.php';

// Check if user came from previous steps
if (!isset($_SESSION['temp_user_id']) || !isset($_SESSION['shop_data'])) {
    header('Location: shop-signup.php');
    exit();
}

$database = new Database();
$db = $database->getConnection();

// Get user email
$query = "SELECT email FROM users WHERE id = ?";
$stmt = $db->prepare($query);
$stmt->execute([$_SESSION['temp_user_id']]);
$user = $stmt->fetch(PDO::FETCH_ASSOC);

if (!$user) {
    header('Location: shop-signup.php');
    exit();
}

$error = '';
$success = '';

if ($_SERVER['REQUEST_METHOD'] == 'POST') {
    $otp = sanitizeInput($_POST['otp']);
    
    if (empty($otp)) {
        $error = 'Please enter the verification code.';
    } elseif (strlen($otp) !== 6) {
        $error = 'Verification code must be 6 digits.';
    } else {
        // Check OTP
        $query = "SELECT * FROM otp_verifications WHERE email = ? AND otp_code = ? AND expires_at > NOW() AND is_used = FALSE ORDER BY created_at DESC LIMIT 1";
        $stmt = $db->prepare($query);
        $stmt->execute([$user['email'], $otp]);
        $otp_record = $stmt->fetch(PDO::FETCH_ASSOC);
        
        if ($otp_record) {
            // Mark OTP as used
            $query = "UPDATE otp_verifications SET is_used = TRUE WHERE id = ?";
            $stmt = $db->prepare($query);
            $stmt->execute([$otp_record['id']]);
            
            // Mark user email as verified
            $query = "UPDATE users SET email_verified = TRUE, registration_step = 4 WHERE id = ?";
            $stmt = $db->prepare($query);
            $stmt->execute([$_SESSION['temp_user_id']]);
            
            // Save shop data to database
            $shop_data = $_SESSION['shop_data'];
            $query = "INSERT INTO shops (user_id, shop_name, shop_category, shop_address, shop_city, shop_phone, shop_description, shop_email) VALUES (?, ?, ?, ?, ?, ?, ?, ?)";
            $stmt = $db->prepare($query);
            $stmt->execute([
                $_SESSION['temp_user_id'],
                $shop_data['shop_name'],
                $shop_data['shop_category'],
                $shop_data['shop_address'],
                $shop_data['shop_city'],
                $shop_data['shop_phone'],
                $shop_data['shop_description'],
                $user['email']
            ]);
            
            header('Location: shop-registration-complete.php');
            exit();
        } else {
            $error = 'Invalid or expired verification code. Please try again.';
        }
    }
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Shop Registration - Step 4</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
    <link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css" rel="stylesheet">
    <style>
        :root {
            --primary-color: #2563eb;
            --secondary-color: #1e40af;
        }
        
        body {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            min-height: 100vh;
            font-family: 'Inter', sans-serif;
        }
        
        .registration-container {
            max-width: 500px;
            margin: 0 auto;
            padding: 2rem;
        }
        
        .card {
            border: none;
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
            backdrop-filter: blur(10px);
        }
        
        .card-header {
            background: white;
            border-bottom: none;
            text-align: center;
            border-radius: 20px 20px 0 0 !important;
            padding: 2rem 2rem 1rem;
        }
        
        .progress-indicator {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 1rem;
            margin-bottom: 2rem;
        }
        
        .step {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }
        
        .step.active {
            background: var(--primary-color);
            color: white;
        }
        
        .step.completed {
            background: #10b981;
            color: white;
        }
        
        .step.inactive {
            background: #e5e7eb;
            color: #9ca3af;
        }
        
        .step-line {
            width: 50px;
            height: 2px;
            background: #e5e7eb;
        }
        
        .step-line.completed {
            background: #10b981;
        }
        
        .otp-input {
            width: 50px;
            height: 50px;
            border: 2px solid #e5e7eb;
            border-radius: 12px;
            text-align: center;
            font-size: 1.5rem;
            font-weight: bold;
            margin: 0 5px;
        }
        
        .otp-input:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
            outline: none;
        }
        
        .btn-primary {
            background: var(--primary-color);
            border: none;
            border-radius: 12px;
            padding: 0.75rem 2rem;
            font-weight: 600;
            width: 100%;
        }
        
        .btn-primary:hover {
            background: var(--secondary-color);
        }
        
        .btn-outline-secondary {
            border-radius: 12px;
            padding: 0.75rem 2rem;
            font-weight: 600;
            width: 100%;
            margin-bottom: 1rem;
        }
        
        .logo {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        
        .verification-icon {
            font-size: 4rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        
        .otp-container {
            display: flex;
            justify-content: center;
            align-items: center;
            margin: 2rem 0;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="registration-container">
            <div class="card">
                <div class="card-header">
                    <div class="logo">
                        <i class="fas fa-key verification-icon"></i>
                    </div>
                    <h3 class="mb-3">Enter Verification Code</h3>
                    
                    <!-- Progress Indicator -->
                    <div class="progress-indicator">
                        <div class="step completed">
                            <i class="fas fa-check"></i>
                        </div>
                        <div class="step-line completed"></div>
                        <div class="step completed">
                            <i class="fas fa-check"></i>
                        </div>
                        <div class="step-line completed"></div>
                        <div class="step completed">
                            <i class="fas fa-check"></i>
                        </div>
                        <div class="step-line completed"></div>
                        <div class="step active">4</div>
                    </div>
                    
                    <p class="text-muted">Step 4: Verify Your Email</p>
                </div>
                
                <div class="card-body p-4">
                    <?php if ($error): ?>
                        <div class="alert alert-danger"><?php echo $error; ?></div>
                    <?php endif; ?>
                    
                    <div class="text-center mb-4">
                        <p class="text-muted">
                            We've sent a 6-digit verification code to<br>
                            <strong><?php echo htmlspecialchars($user['email']); ?></strong>
                        </p>
                        <?php if (isset($_SESSION['demo_otp'])): ?>
                            <div class="alert alert-info">
                                <small><strong>Demo OTP:</strong> <?php echo $_SESSION['demo_otp']; ?></small>
                            </div>
                        <?php endif; ?>
                    </div>
                    
                    <form method="POST" id="otpForm">
                        <div class="otp-container">
                            <input type="text" class="otp-input" maxlength="1" id="otp1" required>
                            <input type="text" class="otp-input" maxlength="1" id="otp2" required>
                            <input type="text" class="otp-input" maxlength="1" id="otp3" required>
                            <input type="text" class="otp-input" maxlength="1" id="otp4" required>
                            <input type="text" class="otp-input" maxlength="1" id="otp5" required>
                            <input type="text" class="otp-input" maxlength="1" id="otp6" required>
                        </div>
                        
                        <input type="hidden" name="otp" id="otpHidden">
                        
                        <button type="submit" class="btn btn-primary">
                            <i class="fas fa-check me-2"></i>Verify & Complete Registration
                        </button>
                    </form>
                    
                    <div class="text-center mt-4">
                        <p class="text-muted small">Didn't receive the code?</p>
                        <a href="shop-registration-step3.php" class="text-decoration-none">
                            <i class="fas fa-redo me-1"></i>Send again
                        </a>
                    </div>
                    
                    <div class="row mt-4">
                        <div class="col-12">
                            <a href="shop-registration-step3.php" class="btn btn-outline-secondary">
                                <i class="fas fa-arrow-left me-2"></i> Back to Step 3
                            </a>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
    
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
    <script>
        // OTP Input Handling
        const otpInputs = document.querySelectorAll('.otp-input');
        const otpForm = document.getElementById('otpForm');
        const otpHidden = document.getElementById('otpHidden');
        
        otpInputs.forEach((input, index) => {
            input.addEventListener('input', (e) => {
                const value = e.target.value;
                
                if (value.length === 1) {
                    if (index < otpInputs.length - 1) {
                        otpInputs[index + 1].focus();
                    }
                }
                
                updateOTPValue();
            });
            
            input.addEventListener('keydown', (e) => {
                if (e.key === 'Backspace' && e.target.value === '') {
                    if (index > 0) {
                        otpInputs[index - 1].focus();
                    }
                }
            });
            
            input.addEventListener('paste', (e) => {
                e.preventDefault();
                const pastedData = e.clipboardData.getData('text');
                
                if (pastedData.length === 6 && /^\d+$/.test(pastedData)) {
                    otpInputs.forEach((input, i) => {
                        input.value = pastedData[i] || '';
                    });
                    updateOTPValue();
                    otpInputs[5].focus();
                }
            });
        });
        
        function updateOTPValue() {
            const otp = Array.from(otpInputs).map(input => input.value).join('');
            otpHidden.value = otp;
        }
        
        otpForm.addEventListener('submit', (e) => {
            updateOTPValue();
            
            if (otpHidden.value.length !== 6) {
                e.preventDefault();
                alert('Please enter all 6 digits');
            }
        });
        
        // Auto focus first input
        otpInputs[0].focus();
    </script>
</body>
</html>