<?php
/**
 * FuzeWorks Forms Library
 *
 * The FuzeWorks PHP FrameWork
 *
 * Copyright (C) 2013-${YEAR} i15
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 * @author    i15
 * @copyright Copyright (c) 2013 - ${YEAR}, i15. (http://i15.nl)
 * @license   https://opensource.org/licenses/MIT MIT License
 *
 * @link  https://i15.nl
 * @since Version 1.3.0
 *
 * @version Version 1.3.0
 */

namespace FuzeWorks\Forms;

use FuzeWorks\Factory;
use FuzeWorks\iLibrary;
use FuzeWorks\Layout;
use FuzeWorks\Logger;
use FuzeWorks\ObjectStorage\ObjectStorageCache;
use FuzeWorks\ObjectStorage\ObjectStorageComponent;
use FuzeWorks\Priority;
use FuzeWorks\Security;

class Forms implements iLibrary
{
    protected string $libraryPath;

    public function __construct()
    {
        // Set path
        $this->libraryPath = dirname(__DIR__, 3);

        // Add layout component path
        /** @var Layout $layouts */
        $layouts = Factory::getInstance('layouts');
        $layouts->addComponentPath($this->libraryPath . DS . 'layouts', Priority::LOWEST);
    }

    /**
     * Retrieve a new Form object with the given $name and $label.
     *
     * @param string $name
     * @param string $label
     * @return Form
     */
    public function getForm(string $name, string $label = ""): Form
    {
        return new Form($name, $label);
    }

    /**
     * Build and retrieve a Form object, and save the result into Cache to save time on next instantiation.
     *
     * The $callable must return a Form object.
     *
     * $name and $label will be passed to the Form constructor.
     *
     * @param callable $callable
     * @param string $name
     * @param string $label
     * @return Form
     */
    public function getCachedForm(callable $callable, string $name, string $label = ""): Form
    {
        // Fetch storage component
        /** @var ObjectStorageComponent $storage */
        $storage = Factory::getInstance('storage');

        // Fetch object storage
        /** @var ObjectStorageCache $cache */
        $cache = $storage->getCache();

        // Find form in storage
        $key = "formStorage" . $name;
        if ($cache->has($key))
        {
            Logger::log("Returning cached Form '".$name."'");

            /** @var Form $form */
            $form = $cache->get($key);
            $csrf = $form->getCsrfField();
            if (!is_null($csrf))
            {
                /** @var Security $security */
                $security = Factory::getInstance("security");
                $hash = $security->get_csrf_hash();
                $csrf->setValue($hash);
            }

            return $form;
        }

        // Otherwise, create the form
        Logger::log("Generating new Form '".$name."'");
        $form = call_user_func($callable, $this->getForm($name, $label));

        // Save the form
        $cache->set($key, $form, 3600);

        return $form;
    }


    public function getClassesPrefix(): ?string
    {
        return null;
    }

    public function getSourceDirectory(): ?string
    {
        return null;
    }
}