<?php


namespace KommaApp\Shop\menus;


class LanguageMenu extends Menu
{
    /*
     * @var Array
     * languageIds
     */
    protected $languageIds = [];

    /**
     * @return string $listItems
     */
    public function getUnsortedList()
    {
        // Define shop languages
        $shopLanguages = \Shop::shopRepository()->getShopsWithLanguageById(\Shop::getId());
        foreach ($shopLanguages as $language) {
            $this->languageIds[] = $language->language_id;
        }

        // Check routable Type and get menu items
        switch (\Shop::getRouteData()->routable_type) {
            case "Komma\\Kms\\Pages\\Models\\PageTranslation":
                $currentId = \Shop::getRouteData()->routable->page_id;
                $this->menuItems = $this->menuRepository->getMenuItemsFromPageById($currentId);
                break;
            case "Komma\\Kms\\Categories\\Models\\CategoryTranslation":
                $currentId = \Shop::getRouteData()->routable->category_id;
                $this->menuItems = $this->menuRepository->getMenuItemsFromCategoryById($currentId);
                break;
            case "Komma\\Kms\\Products\\Models\\ShopProductTranslation":
                $currentId = \Shop::getRouteData()->routable->products_shop_id;
                $this->menuItems = $this->menuRepository->getMenuItemsFromProductById($currentId);
                break;
        }

        // Generate output
        $listItems = array('first_item' => '', 'other_items' => '');


        if (!empty($this->menuItems)) {
            $this->menuItems = $this->stripDoubleRoutes($this->menuItems, 'language_id');

            foreach ($this->languageIds as $languageId) {
                if (isset($this->menuItems[$languageId])) {
                    $item = $this->menuItems[$languageId];
                    $this->router->currentRouteName() == '/' . $item->route ? $key = 'first_item' : $key = 'other_items';

                    $listItems[$key] .= '<li>';
                    $listItems[$key] .= '<a href="/' . $item->route . '?' . $this->createQueryString() . '">';
                    $listItems[$key] .= '<span class="flag" style="background-image: url(\'/images/structure/flags/' . $item->iso_2 . '.svg\')"></span>';
                    $listItems[$key] .= '</a>';
                    $listItems[$key] .= '</li>';
                }
            }
        }

        //Add the german flag for the non germany shops, with redirect to the home page
        if (\Shop::getShop()->id == 1) {
            $route = (\Config::get('komma/tops.https') == true ? 'https://' : 'http://');
            $route .= (\Config::get('komma/tops.www') == true ? 'www.' : '');
            $route .= 'topskwlfilter.de';
            $route .= '?ref='.\Request::getHttpHost();

            $listItems['other_items'] .= '<li>';
            $listItems['other_items'] .= '<a href="' . $route .' ">';
            $listItems['other_items'] .= '<span class="flag" style="background-image: url(\'/images/structure/flags/de.svg\')"></span>';
            $listItems['other_items'] .= '</a>';
            $listItems['other_items'] .= '</li>';
        }


        return $listItems['first_item'] . $listItems['other_items'];
    }


    public function createQueryString()
    {
        //Get the Get items
        $input = \Input::all();
        $input['switch'] = 'language';
        return http_build_query($input);
    }

    /**
     * @param array  $items
     * @param string $keyType
     * @return array
     */
    protected function stripDoubleRoutes(array $items, $keyType = 'id')
    {
        $menuItems = [];
        $checkForRoutes = [];

        foreach ($items as $item) {
            $addItem = true;
            // If this item already exists with a different route
            if (isset($checkForRoutes[$item->{$keyType}])) {
                $addItem = false;
                $existingRoute = $checkForRoutes[$item->{$keyType}];

                // Always make sure the shortest route is added to the array
                if (strlen($item->route) > strlen($existingRoute)) {
                    $addItem = true;
                }
            }

            // Do we need to add / update this item to the array?
            if ($addItem) {
                $menuItems[$item->{$keyType}] = $item;

                // Also update the array $checkForRoutes
                $checkForRoutes[$item->{$keyType}] = $item->route;
            }
        }

        return $menuItems;
    }
}