<?php

namespace App\Helpers;

use App\Enums\Contact\ContactFormType;
use App\Models\DynamicPage;
use Illuminate\Routing\Route;
use Uwil\LaravelCommon\Controllers\Controller;
use Mcamara\LaravelLocalization\Facades\LaravelLocalization;

class RouteHelper extends Controller
{
    /**
     * Check if a route name exists and return its URL.
     *
     * This method verifies if the specified route name is registered in Laravel.
     * If the route exists, it returns the corresponding URL using the route helper.
     * Otherwise, it returns a "#" as a fallback.
     *
     * @param string      $routeName The name of the route to check.
     * @param string|null $locale    The target locale to get the route.
     * @return string The route URL if it exists, or "#" otherwise.
     */
    public static function routeNameChecker(string $routeName, mixed $locale = null): string
    {
        if (is_null($locale)) {
            $locale = app()->getLocale();
        }
        $definitiveRouteName = sprintf("$routeName.%s", $locale);
        if (\Illuminate\Support\Facades\Route::has($definitiveRouteName)) {
            return route($definitiveRouteName);
        }
        return "#";
    }

    /**
     * Return true or false, if the passed route is actually active
     *
     * @param string $routeName
     * @param mixed  $locale
     * @return boolean
     */
    public static function isRouteActive(string $routeName, mixed $locale = null): bool
    {
        if (is_null($locale)) {
            $locale = app()->getLocale();
        }
        $definitiveRouteName = sprintf("$routeName.%s", $locale);
        return \request()->routeIs($definitiveRouteName);
    }

    /**
     * Get the localized url in the langage switcher
     *
     * @param string $localeCode LocaleCode from LaravelLocalization::getSupportedLocales()
     * @return string
     */
    public static function getLocalizedUrl(string $localeCode): string
    {
        $route  = request()->route();
        if (! $route) {
            return LaravelLocalization::getLocalizedURL($localeCode);
        }
        return self::resolve(
            self::getDynamicPageLocalizedURL($route, $localeCode),
            self::getContactShowLocalizedURL($route, $localeCode),
        ) ?? LaravelLocalization::getLocalizedURL($localeCode, null, [], false);
    }

    /**
     * Resolve the url to be returned for the localized switcher
     *
     * @param string|null ...$urls
     * @return string|null
     */
    private static function resolve(?string ...$urls): ?string
    {
        foreach ($urls as $url) {
            if ($url !== null) {
                return $url;
            }
        }
        return null;
    }

    /**
     * Return the localized url for contact page show
     *
     * @param Route $route
     * @param string $localeCode
     * @return string|false|null
     */
    private static function getContactShowLocalizedURL(Route $route, string $localeCode)
    {
        $contactPage = $route->parameter('contactPage');

        if ($contactPage) {
            $localizedUrl = LaravelLocalization::getLocalizedURL(
                $localeCode,
                null,
                [],
                false
            );
            $parsed = parse_url($localizedUrl);
            if (! isset($parsed['path'])) {
                return $localizedUrl;
            }
            $segments = explode('/', trim($parsed['path'], '/'));
            $currentSlug = end($segments);

            $enum = ContactFormType::fromSlug(
                $currentSlug,
                app()->getLocale()
            );

            if ($enum) {
                $translatedSlug = $enum->slug($localeCode);
                if ($translatedSlug) {
                    $segments[count($segments) - 1] = $translatedSlug;
                    return '/' . implode('/', $segments);
                }
            }
            return $localizedUrl;
        }
    }

    /**
     * Return the localized url for all dynamic pages
     *
     * @param \Illuminate\Routing\Route $route
     * @param string $localeCode
     * @return string|false|null
     */
    private static function getDynamicPageLocalizedURL(Route $route, string $localeCode)
    {
        /** @var DynamicPage|null $page */
        $dynamicPage = $route->parameter('dynamicPage');
        if ($dynamicPage instanceof DynamicPage) {
            $path = $dynamicPage->getLocalizedPath($localeCode);
            if ($path) {
                return LaravelLocalization::getLocalizedURL($localeCode, "/{$path}", [], false);
            }
        }
    }
}