<?php
/*
 * Copyright 2007-2017 Charles du Jeu - Abstrium SAS <team (at) pyd.io>
 * This file is part of Pydio.
 *
 * Pydio is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Pydio is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with Pydio.  If not, see <http://www.gnu.org/licenses/>.
 *
 * The latest code can be found at <https://pydio.com>.
 */

namespace Pydio\Conf\Core;

use Pydio\Core\Model\Context;
use Pydio\Core\PluginFramework\CoreInstanceProvider;
use Pydio\Core\PluginFramework\Plugin;
use Pydio\Core\PluginFramework\PluginsService;
use Pydio\Core\Services\ConfService;
use Pydio\Core\Utils\FileHelper;

defined('AJXP_EXEC') or die('Access not allowed');
/**
 * @package AjaXplorer_Plugins
 * @subpackage Core
 */
class CoreConfLoader extends Plugin implements CoreInstanceProvider
{
    /**
     * @var AbstractConfDriver
     */
    protected static $confImpl;

    /**
     * @param PluginsService|null $pluginsService
     * @return AbstractConfDriver
     */
    public function getImplementation($pluginsService = null)
    {
        if (!isSet(self::$confImpl) || (isset($this->pluginConf["UNIQUE_INSTANCE_CONFIG"]["instance_name"]) && self::$confImpl->getId() != $this->pluginConf["UNIQUE_INSTANCE_CONFIG"]["instance_name"])) {
            if (isset($this->pluginConf["UNIQUE_INSTANCE_CONFIG"])) {
                if($pluginsService === null){
                    $pluginsService = PluginsService::getInstance(Context::emptyContext());
                }
                self::$confImpl = ConfService::instanciatePluginFromGlobalParams($this->pluginConf["UNIQUE_INSTANCE_CONFIG"], "Pydio\\Conf\\Core\\AbstractConfDriver", $pluginsService);
            }
        }
        return self::$confImpl;

    }

    /**
     * @return string filepath
     */
    public static function _getBootstrapFilePath() {
        return Plugin::getWorkDirForPluginId("boot.conf").DIRECTORY_SEPARATOR."bootstrap.json";
    }

    /**
     * @return array jsonData
     */
    public static function getBootstrapConf() {
       return FileHelper::loadSerialFile(self::_getBootstrapFilePath(), false, "json");
    }

    /**
     * @load json array into options
     */
    public static function loadBootstrapConfForPlugin($pluginId, &$options) {
        $jsonData = self::getBootstrapConf();

        if (is_array($jsonData) && isset($jsonData[$pluginId])) {
            $options = array_merge($options, $jsonData[$pluginId]);
        }
    }

    /**
     * @param $jsonData
     * @throws \Exception
     */
    public static function saveBootstrapConf($jsonData) {
        $jsonPath = self::_getBootstrapFilePath();
        if (file_exists($jsonPath)) {
            copy($jsonPath, $jsonPath.".bak");
        }
        FileHelper::saveSerialFile($jsonPath, $jsonData, true, false, "json", true);
    }

}