<?php
// food/order/rate.php — تقييم الطلب بعد التسليم (يحدّث متوسط تقييم المطعم)
require_once __DIR__ . '/../connect_app.php';

$orderId = filterRequest('order_id', 'int');
$rating  = filterRequest('rating', 'int');
$comment = filterRequest('comment');

if (!$orderId || !$rating || $rating < 1 || $rating > 5) jsonError('order_id and rating (1-5) are required');

$order = foodAssertOrderOwnership($orderId, 'customer', $food_passenger_id);
if ($order['status'] !== 'delivered') jsonError('Only delivered orders can be rated', 409);
if ($order['rating'] !== null) jsonError('Order already rated', 409);

$food_con->beginTransaction();
try {
    $food_con->prepare("UPDATE food_orders SET rating=?, rating_comment=? WHERE id=?")
        ->execute([$rating, $comment, $orderId]);

    $food_con->prepare(
        "UPDATE food_merchants SET
            rating_avg = ((rating_avg * rating_count) + ?) / (rating_count + 1),
            rating_count = rating_count + 1
         WHERE id=?"
    )->execute([$rating, $order['merchant_id']]);

    $food_con->commit();
} catch (Throwable $e) {
    $food_con->rollBack();
    appLog('[FOOD][ORDER][rate] ' . $e->getMessage(), 'ERROR');
    jsonError('Failed to save rating', 500);
}

jsonSuccess(['order_id' => $orderId, 'rating' => $rating]);