<?php

use App\Repositories\Setting\SettingCachedRepository;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Str;

if (!function_exists('setting')) {
    function setting(string $key = '')
    {
        // Cách gọi setting('setting') để lấy toàn bộ group json
        $repo = app()->make(\App\Repositories\Setting\SettingCachedRepository::class);

        // Nếu có dấu chấm => lấy theo group
        if (Str::contains($key, '.')) {
            [$group, $subKey] = explode('.', $key, 2);
            $groupData = $repo->getByKey($group);

            if (is_string($groupData)) {
                $groupData = json_decode($groupData, true);
            }

            return $groupData[$subKey] ?? null;
        }

        // Ngược lại là setting đơn
        return $repo->getByKey($key);
    }
}

if (!function_exists('format_price')) {
    function format_price($price, $suffix = '₫')
    {
        if ($price === null)
            return '';
        return number_format($price, 0, ',', '.') . ' ' . $suffix;
    }
}
if (!function_exists('format_point')) {
    function format_point($point, $suffix = '𝑝')
    {
        if ($point === null)
            return '';
        return number_format($point, 0, ',', '.') . ' ' . $suffix;
    }
}


if (!function_exists('format_day')) {
    function format_day($date, $format = 'd/m/Y')
    {
        if (empty($date))
            return '';
        try {
            return \Carbon\Carbon::parse($date)->format($format);
        } catch (\Exception $e) {
            return '';
        }
    }
}

if (!function_exists('customer')) {
    function customer()
    {
        return Auth::guard('users')->user();
    }
}

if (!function_exists('generate_order_number')) {
    /**
     * Generate a unique order number with given prefix
     *
     * @param string $prefix Default prefix 'TGS'
     * @param int $length Length of random number (default 6)
     * @return string Unique order number
     */
    function generate_order_number(string $prefix = 'TGS', int $length = 6): string
    {
        do {
            $randomNumber = random_int(10 ** ($length - 1), (10 ** $length) - 1);
            $orderNum = $prefix . $randomNumber;
        } while (\App\Models\Order::where('order_num', $orderNum)->exists());

        return $orderNum;
    }
}