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<?php

/**
 * MvcCore
 *
 * This source file is subject to the BSD 3 License
 * For the full copyright and license information, please view
 * the LICENSE.md file that are distributed with this source code.
 *
 * @copyright   Copyright (c) 2016 Tom Flidr (https://github.com/mvccore)
 * @license     https://mvccore.github.io/docs/mvccore/5.0.0/LICENCE.md
 */

namespace MvcCore\Ext\Routers\MediaAndLocalization;

trait UrlByRouteSections {

    /**
     * Complete semi-finished result URL as two section strings and system 
     * params array. First section as base section with scheme, domain and base 
     * path, second section as application requested path and query string and 
     * third section as system params like `media_version` and/or `localization`.
     * Those params could be inserted between first two sections as system 
     * params in result URL by media and localization router behaviour and 
     * default values.
     * Example:
     *  Input (`\MvcCore\Route::$reverse`):
     *      `"/products-list/<name>/<color>"`
     *  Input ($params):
     *      `array(
     *          "name"          => "cool-product-name",
     *          "color"         => "red",
     *          "variant"       => ["L", "XL"],
     *          "media_version" => "mobile",
     *          "localization"  => "en-US",
     *      );`
     *  Output:
     *      `[
     *          "/application/base/bath", 
     *          "/products-list/cool-product-name/blue?variant[]=L&amp;variant[]=XL", 
     *          ["media_version" => "m", "localization" => "en-US"]
     *      ]`
     * @param \MvcCore\Route &$route
     * @param array $params
     * @param string $urlParamRouteName
     * @return array `string $urlBaseSection, string $urlPathWithQuerySection, array $systemParams`
     */
    protected function urlByRouteSections (\MvcCore\IRoute $route, array & $params = [], $urlParamRouteName = NULL) {
        /** @var $this \MvcCore\Ext\Routers\MediaAndLocalization */
        $defaultParams = array_merge([], $this->GetDefaultParams() ?: []);
        if ($urlParamRouteName == 'self') 
            $params = array_merge($this->requestedParams ?: [], $params);
        $routeMethod = $route->GetMethod();
        

        $multipleMediaVersionConfigured = count($this->allowedMediaVersionsAndUrlValues) > 1;
        $mediaVersionUrlParam = $mediaSiteUrlValue = NULL;
        if ($multipleMediaVersionConfigured) 
            list($mediaVersionUrlParam, $mediaSiteUrlValue) = $this->urlByRouteSectionsMedia(
                $route, $params, $defaultParams, $routeMethod
            );
        
        $multipleLocalizationsConfigured = count($this->allowedLocalizations) > 1;
        $localizationParamName = $localizationStr = NULL;
        if ($multipleLocalizationsConfigured) 
            list($localizationParamName, $localizationStr) = $this->urlByRouteSectionsLocalization(
                $route, $params, $routeMethod
            );


        // complete by given route base url address part and part with path and query string
        list($urlBaseSection, $urlPathWithQuerySection) = $route->Url(
            $this->request, $params, $defaultParams, $this->getQueryStringParamsSepatator(), TRUE
        );
        

        $systemParams = [];
        if ($multipleMediaVersionConfigured && $mediaSiteUrlValue !== NULL)
            $systemParams[$mediaVersionUrlParam] = $mediaSiteUrlValue;
        if ($multipleLocalizationsConfigured && $localizationStr !== NULL)
            $systemParams[$localizationParamName] = $localizationStr;
        

        return [
            $urlBaseSection, 
            $urlPathWithQuerySection, 
            $systemParams
        ];
    }
}