<?php
header('Content-Type: application/json');
require_once __DIR__ . '/../db/config.php';

$data = json_decode(file_get_contents('php://input'), true);

if (!$data) {
    echo json_encode(['error' => 'No data provided']);
    exit;
}

try {
    foreach ($data as $key => $value) {
        $stmt = db()->prepare("INSERT INTO user_settings (setting_key, setting_value) VALUES (?, ?) 
                               ON DUPLICATE KEY UPDATE setting_value = VALUES(setting_value)");
        $stmt->execute([$key, (string)$value]);
    }
    echo json_encode(['success' => true]);
} catch (Exception $e) {
    echo json_encode(['error' => $e->getMessage()]);
}