<?php

use App\Models\Cart;
use App\Models\PersonalAccessToken;
use App\Models\User;
use Illuminate\Support\Facades\Cookie;

if (! function_exists('getAuthUser')) {
    function getAuthUser()
    {
        $bearer = request()->bearerToken();

        if ($bearer) {
            [$personalAccessTokenId, $token] = explode('|', $bearer, 2);
            $personalAccessToken = PersonalAccessToken::find($personalAccessTokenId);

            if ($personalAccessToken && hash_equals($personalAccessToken->token, hash('sha256', $token))) {
                return User::find($personalAccessToken->tokenable_id);
            }
        }

        return null;
    }
}

if (! function_exists('getCart')) {
    function getCart($productId = null)
    {
        $user = getAuthUser();

        if ($user) {
            $cart = Cart::where('user_id', $user->id)->get();
        } else {
            $cart = Cart::where('token', Cookie::get('cart_token'))->get();
        }

        if ($productId) {
            return $cart->where('product_id', $productId)->first();
        }

        return $cart;
    }
}

if (! function_exists('ceiling')) {
    function ceiling(float|int $num, $significance = 1)
    {
        return (ceil($num / $significance)) * $significance;
    }
}