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<?php

/**
 * Copyright 2017 MICRORISC s.r.o.
 * Copyright 2017 IQRF Tech s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

declare(strict_types=1);

namespace App\ServiceModule\Presenters;

use App\Presenters\BasePresenter;
use App\ServiceModule\Model\NotSupportedInitSystemException;
use App\ServiceModule\Model\ServiceManager;

/**
 * Service control presenter.
 */
class ControlPresenter extends BasePresenter {

    /**
     * @var ServiceManager
     */
    private $serviceManager;

    /**
     * Constructor.
     * @param ServiceManager $serviceManager
     */
    public function __construct(ServiceManager $serviceManager) {
        $this->serviceManager = $serviceManager;
    }

    /**
     * Render disambiguation
     */
    public function renderDefault() {
        $this->onlyForAdmins();
    }

    /**
     * Start iqrf-daemon service
     */
    public function actionStart() {
        $this->onlyForAdmins();
        try {
            $this->serviceManager->start();
            $this->flashMessage('IQRF Daemon has been started.', 'info');
        } catch (NotSupportedInitSystemException $ex) {
            $this->flashMessage('Not supported init system is used.', 'danger');
        } finally {
            $this->redirect('Control:default');
            $this->setView('default');
        }
    }

    /**
     * Stop iqrf-daemon service
     */
    public function actionStop() {
        $this->onlyForAdmins();
        try {
            $this->serviceManager->stop();
            $this->flashMessage('IQRF Daemon has been stopped.', 'info');
        } catch (NotSupportedInitSystemException $ex) {
            $this->flashMessage('Not supported init system is used.', 'danger');
        } finally {
            $this->redirect('Control:default');
            $this->setView('default');
        }
    }

    /**
     * Restart iqrf-daemon service
     */
    public function actionRestart() {
        $this->onlyForAdmins();
        try {
            $this->serviceManager->restart();
            $this->flashMessage('IQRF Daemon has been restarted.', 'info');
        } catch (NotSupportedInitSystemException $ex) {
            $this->flashMessage('Not supported init system is used.', 'danger');
        } finally {
            $this->redirect('Control:default');
            $this->setView('default');
        }
    }

}