/*
 * 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.datalab.backendapi.resources.base;

import com.epam.datalab.backendapi.core.Directories;
import com.epam.datalab.backendapi.core.FileHandlerCallback;
import com.epam.datalab.backendapi.core.commands.DockerAction;
import com.epam.datalab.backendapi.core.commands.DockerCommands;
import com.epam.datalab.backendapi.core.commands.RunDockerCommand;
import com.epam.datalab.backendapi.core.response.handlers.ExploratoryCallbackHandler;
import com.epam.datalab.backendapi.service.impl.DockerService;
import com.epam.datalab.cloud.CloudProvider;
import com.epam.datalab.dto.exploratory.ExploratoryBaseDTO;
import com.fasterxml.jackson.core.JsonProcessingException;
import lombok.extern.slf4j.Slf4j;

import java.util.Objects;

@Slf4j
public class ExploratoryService extends DockerService implements DockerCommands {

    public String action(String username, ExploratoryBaseDTO<?> dto, DockerAction action) throws JsonProcessingException {
        log.debug("{} exploratory environment", action);
        String uuid = DockerCommands.generateUUID();
        folderListenerExecutor.start(configuration.getImagesDirectory(),
                configuration.getResourceStatusPollTimeout(),
                getFileHandlerCallback(action, uuid, dto));

        log.info("TEST LOG!!!: dto: {}", dto);

        RunDockerCommand runDockerCommand = new RunDockerCommand()
                .withInteractive()
                .withName(nameContainer(dto.getEdgeUserName(), action, dto.getExploratoryName()))
                .withVolumeForRootKeys(configuration.getKeyDirectory())
                .withVolumeForResponse(configuration.getImagesDirectory())
                .withVolumeForLog(configuration.getDockerLogDirectory(), getResourceType())
                .withResource(getResourceType())
                .withRequestId(uuid)
                .withConfKeyName(configuration.getAdminKey())
                .withImage(dto.getNotebookImage())
                .withAction(action);
        log.info("TEST LOG!!!: command: {}", runDockerCommand);

        if (configuration.getCloudProvider() == CloudProvider.AZURE &&
                Objects.nonNull(configuration.getCloudConfiguration().getAzureAuthFile()) &&
                !configuration.getCloudConfiguration().getAzureAuthFile().isEmpty()) {
            runDockerCommand.withVolumeFoAzureAuthFile(configuration.getCloudConfiguration().getAzureAuthFile());
        }

        commandExecutor.executeAsync(username, uuid, commandBuilder.buildCommand(runDockerCommand, dto));
        return uuid;
    }

    public String getResourceType() {
        return Directories.NOTEBOOK_LOG_DIRECTORY;
    }

    private FileHandlerCallback getFileHandlerCallback(DockerAction action, String uuid, ExploratoryBaseDTO<?> dto) {
        return new ExploratoryCallbackHandler(selfService, action, uuid, dto.getCloudSettings().getIamUser(),
                dto.getProject(), dto.getExploratoryName());
    }

    private String nameContainer(String user, DockerAction action, String name) {
        return nameContainer(user, action.toString(), "exploratory", name);
    }
}