<?php
require_once __DIR__ . '/../../connect.php';

$id = filterRequest("id");

$allowedFields = [
    "kazan", "comfortPrice", "speedPrice", "deliveryPrice",
    "freePrice", "latePrice", "heavyPrice", "adminId", "naturePrice", "fuelPrice", "familyPrice"
];

$setParts = [];
$params = [];

foreach ($allowedFields as $field) {
    if (isset($_POST[$field])) {
        $value = filterRequest($field);
        $setParts[] = "`$field` = :$field";
        $params[":$field"] = $value;
    }
}

if (empty($setParts)) {
    jsonError("No valid fields to update.");
    exit;
}

$sql = "UPDATE `kazan` SET " . implode(", ", $setParts) . " WHERE `id` = :id";
$params[":id"] = $id;

$stmt = $con->prepare($sql);
$stmt->execute($params);

if ($stmt->rowCount() > 0) {
    jsonSuccess(null, "Kazan data updated successfully");
} else {
    // If no rows were changed but execute was successful, it might be because the data is the same
    jsonSuccess(null, "Kazan data remains unchanged or updated");
}
?>