<?php

namespace App\Services;

use App\Models\ShoppingOrder;
use App\Models\UserHistory;
use App\User;
use Illuminate\Support\Str;
use Request;
use Yard;

class Util
{
    private static $postRoute = 'base.';

    public static function getToken()
    {
        return hash_hmac('sha256', Str::random(40), config('app.key'));
    }

    public static function uuidToken()
    {
        $uuid = (string) Str::uuid();
        $e_uuid = explode('-', $uuid);
        if (isset($e_uuid[0]) && $e_uuid[1]) {
            return $e_uuid[0].'-'.$e_uuid[1];
        }

        return $uuid;
    }

    public static function formatDate()
    {
        if (\App::getLocale() === 'en') {
            return 'yyyy-mm-dd';
        }

        return 'dd.mm.yyyy';
    }

    public static function formatDateDB()
    {
        if (\App::getLocale() === 'en') {
            return 'Y-m-d';
        }

        return 'd.m.Y';
    }

    public static function formatDateTimeDB()
    {
        if (\App::getLocale() === 'en') {
            return 'Y-m-d - H:i';
        }

        return 'd.m.Y - H:i';
    }

    public static function _format_number($value)
    {
        // Erlaubt Zahlen, Komma, Punkt und Minus (für Dezimalzahlen in DE und EN Format)
        return preg_replace('/[^0-9,.-]/', '', $value);
    }

    public static function _thousands_separator()
    {
        return \App::getLocale() === 'en' ? ',' : '.';
    }

    public static function _decimal_separator()
    {
        return \App::getLocale() === 'en' ? '.' : ',';
    }

    public static function maxStrLength($str, $length = 40)
    {

        if (strlen($str) > $length) {
            $str = substr($str, 0, $length);
            // $str = substr($str, 0, strrpos($str, " "));
            $str = $str.' ...';
        }

        return $str;
    }

    public static function reFormatNumber($value)
    {
        // Wenn bereits ein Float/Int, direkt zurückgeben
        if (is_numeric($value) && ! is_string($value)) {
            return (float) $value;
        }

        $value = (string) $value;

        // Entferne alle nicht-numerischen Zeichen außer Punkt, Komma und Minus
        $value = preg_replace('/[^0-9,.\-]/', '', $value);

        if ($value === '') {
            return 0.0;
        }

        // Erkenne das Zahlenformat anhand der Position des letzten Trennzeichens
        $lastComma = strrpos($value, ',');
        $lastDot = strrpos($value, '.');

        if ($lastComma !== false && ($lastDot === false || $lastComma > $lastDot)) {
            // Deutsches Format: "1.000,50" -> Punkt entfernen (Tausender), Komma zu Punkt
            $value = str_replace('.', '', $value);
            $value = str_replace(',', '.', $value);
        } else {
            // Englisches Format: "1,000.50" -> Komma entfernen (Tausender)
            $value = str_replace(',', '', $value);
        }

        return (float) $value;
    }

    public static function formatNumber($value, $dec = 2)
    {
        // Wenn der Wert bereits numerisch ist (int/float), direkt formatieren
        if (is_numeric($value) && ! is_string($value)) {
            return number_format((float) $value, $dec, self::_decimal_separator(), self::_thousands_separator());
        }

        // Bei String-Eingaben: deutsches Format (mit Komma) zu Float konvertieren
        $value = self::reFormatNumber($value);

        return number_format($value, $dec, self::_decimal_separator(), self::_thousands_separator());
    }

    public static function cleanIntegerFromString($value)
    {
        // Entferne alle nicht-numerischen Zeichen außer Minus
        $cleanStr = preg_replace('/[^0-9-]/', '', $value);

        // Konvertiere zu Integer und entferne führende Nullen
        $number = (int) $cleanStr;

        return $number;
    }

    public static function cleanNumberFormat($num = 0, $dec = 2, $fullzero = false)
    {

        if ($fullzero && $num == 0) {
            return number_format($num, $dec, self::_decimal_separator(), self::_thousands_separator());
        }

        return rtrim(rtrim(number_format($num, $dec, self::_decimal_separator(), self::_thousands_separator()), '0'), self::_decimal_separator());
    }

    public static function utf8ize($mixed)
    {
        if (is_array($mixed)) {
            foreach ($mixed as $key => $value) {
                $mixed[$key] = self::utf8ize($value);
            }
        } elseif (is_string($mixed)) {
            return mb_convert_encoding($mixed, 'UTF-8', 'UTF-8');
        }

        return $mixed;
    }

    public static function getPostRoute()
    {
        return self::$postRoute;
    }

    public static function setPostRoute($postRoute)
    {
        self::$postRoute = $postRoute;
    }

    public static function getUserShop()
    {
        $shop = session('user_shop');
        if (empty($shop) || ! is_object($shop)) {
            return null;
        }

        return $shop;
    }

    public static function getDefaultUserShop()
    {
        $user = \App\User::find(6);
        if ($user && $user->shop) {
            return $user->shop;
        }

        return false;
    }

    public static function getAuthUser()
    {
        if (\Session::has('auth_user')) {
            if ($auth_user = \Session::get('auth_user')) {
                return $auth_user;
            }
        }

        return false;
    }

    public static function getUserShopIdentifier()
    {
        if (\Session::has('user_shop_identifier')) {
            if ($user_shop_identifier = \Session::get('user_shop_identifier')) {
                return $user_shop_identifier;
            }
        }

        return false;
    }

    public static function getInstanceStatus()
    {
        $identifier = self::getUserShopIdentifier();
        if ($identifier && \Session::has('user_shop_payment') && \Session::get('user_shop_payment') === 6) {
            return OrderPaymentService::getInstanceStatus($identifier);
        }

        return false;
    }

    public static function setInstanceStatus($status, $lower = true)
    {
        $identifier = self::getUserShopIdentifier();
        if ($identifier && \Session::has('user_shop_payment') && \Session::get('user_shop_payment') === 6) {
            OrderPaymentService::updateInstanceStatus($identifier, $status, $lower);
        }
    }

    public static function setInstanceStatusByPayment($shopping_payment, $status, $lower = true)
    {
        if ($shopping_payment->identifier) {
            OrderPaymentService::updateInstanceStatus($shopping_payment->identifier, $status, $lower);
        }
    }

    public static function getShoppingInstance()
    {
        if (\Session::has('shopping_instance')) {
            return \Session::get('shopping_instance');
        }

        return false;
    }

    public static function getUserHistory()
    {
        $auth_user = self::getAuthUser();
        $user_shop_identifier = self::getUserShopIdentifier();
        if ($user_shop_identifier && $auth_user) {
            return UserHistory::whereUserId($auth_user->id)->whereIdentifier($user_shop_identifier)->get()->last();
        }

        return false;
    }

    public static function setUserHistoryValue($values = [])
    {
        if ($user_history = self::getUserHistory()) {
            foreach ($values as $key => $val) {
                $user_history->{$key} = $val;
            }
            $user_history->save();
        }
    }

    public static function getUserHistoryValue($key)
    {
        if ($user_history = self::getUserHistory()) {
            return $user_history->{$key};
        }

        return null;
    }

    public static function getUserShoppingMode()
    {
        if ($auth_user = self::getAuthUser()) {
            if ($auth_user->isTestMode()) {
                return 'test';
            }
        }

        return config('app.mode');
    }

    public static function addRoute($p = [])
    {
        $b = [];
        if (\Session::has('user_shop')) {
            if ($user_shop = \Session::get('user_shop')) {
                $b = ['subdomain' => $user_shop->slug];
            }
        }

        return array_merge($p, $b);
    }

    public static function checkUserLandIsNot($user)
    {

        if (isset($user->account->country_id)) {
            // ch schweiz is out
            if ($user->account->country_id === 6) {
                return false;
            }

            return true;
        }

        return false;
    }

    public static function getCustomerUserShopDomain()
    {
        if (\Auth::guard('customers')->check()) {
            if (\Auth::guard('customers')->user()->user_shop_domain) {
                return \Auth::guard('customers')->user()->user_shop_domain;
            }
        }

        return self::getMyMivitaShopUrl();
    }

    public static function getMyMivitaShopUrl($add_url = '')
    {
        if (\Session::has('user_shop_domain')) {
            $url = \Session::get('user_shop_domain').$add_url;
            if (! str_starts_with($url, 'http')) {
                $url = 'https://'.ltrim($url, '/');
            }

            return $url;
        }
        // alois sein shop
        $user = \App\User::find(6);
        if ($user && $user->shop) {
            return config('app.protocol').$user->shop->slug.'.'.config('app.domain').config('app.tld_care').$add_url;
        }
    }

    /**
     * Vollständige URL zum Warenkorb (User-Shop) nach „Nachbestellen“ im Portal.
     * Verhindert Weiterleitung auf Portal/CRM/Checkout, wo /user/card/show nicht existiert (404).
     */
    public static function getCustomerReorderCartUrl(?ShoppingOrder $shoppingOrder = null): string
    {
        $cartPath = '/user/card/show';
        $candidates = [];

        if ($shoppingOrder?->member?->shop) {
            $candidates[] = config('app.protocol').$shoppingOrder->member->shop->slug.'.'.config('app.domain').config('app.tld_care');
        }

        if (\Auth::guard('customers')->check()) {
            $stored = \Auth::guard('customers')->user()->user_shop_domain;
            if ($stored) {
                $candidates[] = $stored;
            }
        }

        if (\Session::has('user_shop_domain')) {
            $candidates[] = \Session::get('user_shop_domain');
        }

        $user = User::find(6);
        if ($user?->shop) {
            $candidates[] = config('app.protocol').$user->shop->slug.'.'.config('app.domain').config('app.tld_care');
        }

        $defaultSlug = config('domains.domains.shop.default_user_shop', 'aloevera');
        $candidates[] = config('app.protocol').$defaultSlug.'.'.config('app.domain').config('app.tld_care');

        foreach ($candidates as $candidate) {
            $normalized = self::normalizeShopBaseUrl($candidate);
            if ($normalized === null || self::isShopBaseUrlInvalidForUserCard($normalized)) {
                continue;
            }

            return $normalized.$cartPath;
        }

        return config('domains.protocol').config('domains.domains.shop.host').$cartPath;
    }

    /**
     * Portal, CRM und Checkout hosten keine User-Shop-Warenkorb-Route unter /user/card/show.
     */
    public static function isShopBaseUrlInvalidForUserCard(?string $baseUrl): bool
    {
        if ($baseUrl === null || $baseUrl === '') {
            return true;
        }

        $host = self::extractHostFromUrl($baseUrl);
        if ($host === null) {
            return true;
        }

        $host = strtolower($host);

        $invalidHosts = array_filter([
            config('domains.domains.portal.host'),
            config('domains.domains.crm.host'),
            config('domains.domains.checkout.host'),
        ]);

        foreach ($invalidHosts as $invalid) {
            if ($invalid !== null && $invalid !== '' && strtolower($invalid) === $host) {
                return true;
            }
        }

        return false;
    }

    private static function normalizeShopBaseUrl(?string $url): ?string
    {
        if ($url === null || trim($url) === '') {
            return null;
        }

        $u = trim($url);
        if (! str_starts_with($u, 'http')) {
            $u = 'https://'.ltrim($u, '/');
        }

        return rtrim($u, '/');
    }

    private static function extractHostFromUrl(string $url): ?string
    {
        $host = parse_url($url, PHP_URL_HOST);
        if (! empty($host)) {
            return $host;
        }

        $stripped = preg_replace('#^https?://#i', '', $url);
        $parts = explode('/', $stripped, 2);

        return $parts[0] !== '' ? $parts[0] : null;
    }

    public static function getMyMivitaPortalUrl($protocol = true)
    {
        $pro = $protocol ? config('app.protocol') : '';

        return $pro.config('app.pre_url_portal').config('app.domain').config('app.tld_care');
    }

    public static function getMyMivitaUrl($protocol = true)
    {
        $pro = $protocol ? config('app.protocol') : '';

        return $pro.config('app.pre_url_crm').config('app.domain').config('app.tld_care');
    }

    public static function getUserPaymentFor($instance = 'shopping')
    {
        if (Yard::instance($instance)->getYardExtra('user_shop_payment')) {
            return Yard::instance($instance)->getYardExtra('user_shop_payment');
        }
        if (\Session::has('user_shop_payment')) {
            return \Session::get('user_shop_payment');
        }

        return null;
    }

    public static function getUserShopBackUrl($reference = '')
    {

        if (\Session::has('user_shop')) {
            if (\Session::has('user_shop_domain')) {
                return \Session::get('user_shop_domain');
            }
            if ($user_shop = \Session::get('user_shop')) {
                return config('app.protocol').$user_shop->slug.'.'.config('app.domain').config('app.tld_care').'/back/to/shop/'.$reference;
            }
        }

        return config('app.protocol').config('app.domain').config('app.tld_care');
    }

    public static function getUserCardBackUrl($uri, $instance = 'shopping')
    {

        if (\Session::has('user_shop')) {
            if (\Session::has('user_shop_domain')) {
                if (\Session::has('back_link')) {
                    return \Session::get('back_link');
                }
                if (self::getUserPaymentFor($instance) === 3) {
                    return \Session::get('user_shop_domain').'/user/membership';
                }
                if (self::getUserPaymentFor($instance) === 2) {
                    return \Session::get('user_shop_domain').'/user/orders';
                }

                return \Session::get('user_shop_domain');
            }
            if ($user_shop = \Session::get('user_shop')) {
                return config('app.protocol').$user_shop->slug.'.'.config('app.domain').config('app.tld_care').$uri;
            }
        }

        return config('app.protocol').config('app.domain').config('app.tld_care');
    }

    public static function isMivitaShop()
    {
        if (Request::getHost() === 'checkout.'.config('app.domain').config('app.tld_care')) {
            if ($user_shop = \Session::get('user_shop')) {
                if ($user_shop->slug === 'aloevera' || $user_shop->slug === 'naturcosmetic') {
                    return true;
                }
            }
        }
        if (Request::getHost() === 'naturcosmetic.'.config('app.domain').config('app.tld_care')) {
            return true;
        }

        return \Config::get('app.url') === config('app.domain').config('app.tld_shop');
    }

    public static function isTestSystem($dev = false)
    {
        if (\Config::get('app.tld_care') === '.test' || \Config::get('app.tld_shop') === '.lshop') {
            if ($dev && config('app.debug') !== true) {
                return false;
            }

            return true;
        }

        return false;
    }

    public static function formatBytes($size, $precision = 2)
    {
        if ($size > 0) {
            $size = (int) $size;
            $base = log($size) / log(1024);
            $suffixes = [' bytes', ' KB', ' MB', ' GB', ' TB'];

            return round(pow(1024, $base - floor($base)), $precision).$suffixes[floor($base)];
        } else {
            return $size;
        }
    }

    public static function formatTextWithLineBreaks($text, $translate = false)
    {
        if ($translate) {
            $translated = ['payment.commission_shop', 'payment.commission_payline', 'payment.commission_growth_bonus'];
            foreach ($translated as $value) {
                // $text = str_replace($key, trans($value), $text);
                $text = str_replace($value, __($value), $text);
            }
        }

        return nl2br($text);
    }

    public static function sanitize($string, $force_lowercase = true, $anal = false, $substr = false)
    {
        $strip = [
            '~',
            '`',
            '!',
            '@',
            '#',
            '$',
            '%',
            '^',
            '&',
            '*',
            '(',
            ')',
            '_',
            '=',
            '+',
            '[',
            '{',
            ']',
            '}',
            '\\',
            '|',
            ';',
            ':',
            '"',
            "'",
            '&#8216;',
            '&#8217;',
            '&#8220;',
            '&#8221;',
            '&#8211;',
            '&#8212;',
            'â€”',
            'â€“',
            ',',
            '<',
            '.',
            '>',
            '/',
            '?',
        ];
        $clean = trim(str_replace($strip, '', strip_tags($string)));
        $clean = preg_replace('/\s+/', '_', $clean);
        $clean = ($anal) ? preg_replace('/[^a-zA-Z0-9]/', '', $clean) : $clean;

        if ($substr) {
            $clean = (strlen($clean) > 20) ? substr($clean, -20) : $clean;
        }

        return ($force_lowercase) ?
            (function_exists('mb_strtolower')) ?
            mb_strtolower($clean, 'UTF-8') :
            strtolower($clean) :
            $clean;
    }
}