<?php

namespace Alexr\Whatsapp;

use Alexr\Settings\WhatsappBookNow;

/**
 * Resolves which widget_id to use for the {book_now} link.
 *
 * Currently returns the default_widget_id from WhatsappBookNow settings.
 * In the future, this class will support rules based on day of week, time of day, etc.
 */
class BookNowWidgetResolver
{
	/**
	 * Resolve the widget_id to use for a given restaurant.
	 *
	 * @param int $restaurantId
	 * @return int|null The widget ID, or null if no default configured
	 */
	public static function resolve(int $restaurantId): ?int
	{
		$setting = WhatsappBookNow::where('restaurant_id', $restaurantId)
		                          ->first();

		if (!$setting) {
			return null;
		}

		$widgetId = $setting->default_widget_id;

		if (empty($widgetId)) {
			return null;
		}

		return (int) $widgetId;
	}
}