<?php
require_once '../include/init.php';
require_once '../include/auth.php'; // ensures user is logged in and is admin

header('Content-Type: application/json');

if (!isAdmin()) {
    http_response_code(403); // Forbidden
    echo json_encode(['error' => 'You do not have permission to perform this action.']);
    exit;
}

$tab_id = $_POST['tab_id'] ?? null;

if (!$tab_id) {
    http_response_code(400); // Bad Request
    echo json_encode(['error' => 'Tab ID is required.']);
    exit;
}

try {
    // Set the token to NULL in the database
    $stmt = $pdo->prepare("UPDATE tabs SET login_token = NULL WHERE id = ?");
    $stmt->execute([$tab_id]);

    echo json_encode(['success' => true]);
} catch (Exception $e) {
    http_response_code(500); // Internal Server Error
    echo json_encode(['error' => 'Failed to clear token: ' . $e->getMessage()]);
}