/*
 * Copyright 2016-2019 Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags.
 *
 * 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.
 */
package org.jboss.galleon.cli.cmd.filesystem;

import java.io.File;
import java.io.IOException;
import java.nio.file.Path;
import org.aesh.command.CommandDefinition;
import org.aesh.command.option.Argument;
import org.jboss.galleon.cli.CommandExecutionException;
import org.jboss.galleon.cli.HelpDescriptions;
import org.jboss.galleon.cli.PmCommandInvocation;
import org.jboss.galleon.cli.PmSessionCommand;
import org.jboss.galleon.cli.cmd.CommandDomain;

/**
 *
 * @author Alexey Loubyansky
 */
@CommandDefinition(name = "cd", description = HelpDescriptions.CD)
public class CdCommand extends PmSessionCommand {

    @Argument(description = HelpDescriptions.CD_PATH)
    private File path;

    @Override
    protected void runCommand(PmCommandInvocation session) throws CommandExecutionException {
        if (path == null) {
            return;
        }
        Path p = path.toPath();
        if (path.getName().equals("-")) {
            Path previous = session.getPmSession().getPreviousDirectory();
            if (previous == null) {
                return;
            }
            p = previous;
        }
        try {
            session.getPmSession().setCurrentDirectory(p);
            session.setPrompt(session.getPmSession().buildPrompt());
        } catch (IOException ex) {
            throw new CommandExecutionException(ex.getMessage());
        }
    }

    @Override
    public CommandDomain getDomain() {
        return CommandDomain.OTHERS;
    }
}
