<?php
require_once '../includes/constants.php';
require_once '../includes/session.php';
require_once '../includes/functions.php';

if (!isset($_SESSION['admin_id']) || !in_array($_SESSION['admin_role'], ['manager','superadmin'])) {
    die("Access denied");
}

$offerId = $_GET['id'] ?? 0;
$userId = $_SESSION['user_id'] ?? 0;
if (!$offerId || !$userId) die("Missing offer ID or user session");

// Handle insert
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $stmt = $pdo->prepare("INSERT INTO partners_offer_tracking 
        (offer_id, tracking_url, tracking_type, macros, notes, created_by)
        VALUES (?, ?, ?, ?, ?, ?)");
    $stmt->execute([
        $offerId,
        $_POST['tracking_url'],
        $_POST['tracking_type'],
        $_POST['macros'],
        $_POST['notes'],
        $userId
    ]);
    echo "<p class='success'>✅ Tracking link saved.</p>";
}

// Fetch tracking links
$stmt = $pdo->prepare("SELECT t.*, u.username FROM partners_offer_tracking t 
                       JOIN users u ON t.created_by = u.id 
                       WHERE t.offer_id = ? ORDER BY t.created_at DESC");
$stmt->execute([$offerId]);
$links = $stmt->fetchAll(PDO::FETCH_ASSOC);
?>
<!DOCTYPE html>
<html>
<head>
    <title><?php echo SITE_TITLE . ' | Offer Tracking'; ?></title>
    <link rel="stylesheet" href="css/admin.css">
</head>
<body>
<div class="container">
<h2>🔗 Add Tracking Link for Offer #<?php echo htmlspecialchars($offerId); ?></h2>
<form method="post">
    <label>Tracking Type:
        <select name="tracking_type">
            <option value="main">Main Tracking</option>
            <option value="preview">Preview Link</option>
            <option value="backup">Backup URL</option>
        </select>
    </label><br>
    <label>Tracking URL:<br>
        <input name="tracking_url" placeholder="Tracking URL">
    </label><br>
    <label>Macros:<br>
        <input name="macros" placeholder="Macros (e.g. {subid},{amount})">
    </label><br>
    <label>Notes:<br>
        <textarea name="notes" placeholder="Notes (optional)"></textarea>
    </label><br>
    <button type="submit">Save Tracking</button>
</form>

<hr><h3>📋 Existing Tracking Links</h3>
<table><tr><th>Type</th><th>URL</th><th>Macros</th><th>Notes</th><th>By</th><th>Time</th></tr>
<?php
foreach ($links as $t) {
    echo "<tr>
        <td>" . htmlspecialchars($t['tracking_type']) . "</td>
        <td><textarea readonly style='width:300px;height:40px'>" . htmlspecialchars($t['tracking_url']) . "</textarea></td>
        <td>" . htmlspecialchars($t['macros']) . "</td>
        <td><textarea readonly style='width:300px;height:40px'>" . htmlspecialchars($t['notes']) . "</textarea></td>
        <td>" . htmlspecialchars($t['username']) . "</td>
        <td>{$t['created_at']}</td>
    </tr>";
}
?>
</table>
</div>
</body>
</html>