<?php
/**
 * sysPass
 *
 * @author nuxsmin
 * @link https://syspass.org
 * @copyright 2012-2018, Rubén Domínguez nuxsmin@$syspass.org
 *
 * This file is part of sysPass.
 *
 * sysPass is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * sysPass 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 *  along with sysPass.  If not, see <http://www.gnu.org/licenses/>.
 */

namespace SP\Core;

use SP\Core\Messages\TaskMessage;

/**
 * Class TaskFactory
 *
 * @package SP\Core
 */
class TaskFactory
{
    /**
     * @var Task[]
     */
    private static $tasks = [];

    /**
     * Crear una tarea para la actualización de estado de la actualización
     *
     * @param string $name
     * @param string $id
     * @return Task
     */
    public static function create($name, $id)
    {
        return self::add((new Task($name, $id))->register());
    }

    /**
     * @param Task $task
     * @return Task
     */
    private static function add(Task $task)
    {
        if (isset(self::$tasks[$task->getTaskId()])) {
            throw new \RuntimeException('Task already registered');
        }

        self::$tasks[$task->getTaskId()] = $task;

        return $task;
    }

    /**
     * Finalizar la tarea
     *
     * @param $id
     */
    public static function end($id)
    {
        self::get($id)->end(false);

        self::delete($id);
    }

    /**
     * @param $id
     * @return Task
     */
    private static function get($id)
    {
        if (isset(self::$tasks[$id])) {
            return self::$tasks[$id];
        } else {
            throw new \RuntimeException('Task not registered');
        }
    }

    /**
     * @param $id
     */
    private static function delete($id)
    {
        if (!isset(self::$tasks[$id])) {
            throw new \RuntimeException('Task not registered');
        }

        unset(self::$tasks[$id]);
    }

    /**
     * @param string $taskId
     * @param string $task
     * @return TaskMessage
     */
    public static function createMessage($taskId, $task)
    {
        return new TaskMessage($taskId, $task);
    }

    /**
     * Enviar un mensaje de actualización a la tarea
     *
     * @param string      $id
     * @param TaskMessage $taskMessage
     */
    public static function update($id, TaskMessage $taskMessage)
    {
        self::get($id)->writeJsonStatusAndFlush($taskMessage);
    }
}