/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

package com.epam.dlab.backendapi.service;

import com.epam.dlab.dto.SchedulerJobDTO;
import com.epam.dlab.model.scheduler.SchedulerJobData;

import java.util.List;

public interface SchedulerJobService {
    /**
     * Pulls out scheduler job data for user <code>user<code/> and his exploratory <code>exploratoryName<code/>
     *
     * @param user            user's name
     * @param project         project name
     * @param exploratoryName name of exploratory resource
     * @return dto object
     */
    SchedulerJobDTO fetchSchedulerJobForUserAndExploratory(String user, String project, String exploratoryName);

    /**
     * Pulls out scheduler job data for computational resource <code>computationalName<code/> affiliated with
     * user <code>user<code/> and his exploratory <code>exploratoryName<code/>
     *
     * @param user              user's name
     * @param project           project name
     * @param exploratoryName   name of exploratory resource
     * @param computationalName name of computational resource
     * @return dto object
     */
    SchedulerJobDTO fetchSchedulerJobForComputationalResource(String user, String project, String exploratoryName,
                                                              String computationalName);

    /**
     * Updates scheduler job data for user <code>user<code/> and his exploratory <code>exploratoryName<code/>
     *
     * @param user            user's name
     * @param project         project name
     * @param exploratoryName name of exploratory resource
     * @param dto             scheduler job data
     */
    void updateExploratorySchedulerData(String user, String project, String exploratoryName, SchedulerJobDTO dto);

    /**
     * Updates scheduler job data for computational resource <code>computationalName<code/> affiliated with
     * user <code>user<code/> and his exploratory <code>exploratoryName<code/>
     *
     * @param user              user's name
     * @param project           project name
     * @param exploratoryName   name of exploratory resource
     * @param computationalName name of computational resource
     * @param dto               scheduler job data
     */
    void updateComputationalSchedulerData(String user, String project, String exploratoryName,
                                          String computationalName, SchedulerJobDTO dto);

    void stopComputationalByScheduler();

    void stopExploratoryByScheduler();

    void startExploratoryByScheduler();

    void startComputationalByScheduler();

    void terminateExploratoryByScheduler();

	void terminateComputationalByScheduler();

	void removeScheduler(String user, String exploratoryName);

	void removeScheduler(String user, String exploratoryName, String computationalName);

	List<SchedulerJobData> getActiveSchedulers(String user, long timeOffset);
}