/*
 * Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies).
 * All rights reserved.
 * This component and the accompanying materials are made available
 * under the terms of the License "Eclipse Public License v1.0"
 * which accompanies this distribution, and is available
 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
 *
 * Initial Contributors:
 * Nokia Corporation - initial contribution.
 *
 * Contributors:
 *
 * Description:  
 *
 */

package com.nokia.maven.scm.provider.hg.command.init;

import java.io.File;

import org.apache.log4j.Logger;
import org.apache.maven.scm.CommandParameters;
import org.apache.maven.scm.ScmException;
import org.apache.maven.scm.ScmFileSet;
import org.apache.maven.scm.ScmResult;
import org.apache.maven.scm.command.AbstractCommand;
import org.apache.maven.scm.command.Command;
import org.apache.maven.scm.provider.ScmProviderRepository;
import org.apache.maven.scm.provider.hg.HgUtils;
import org.apache.maven.scm.provider.hg.command.HgCommandConstants;

import com.nokia.maven.scm.command.init.InitScmResult;
import com.nokia.maven.scm.provider.hg.repository.HgScmProviderRepository;

/**
 * 'hg init' command implementation.
 */
public class HgInitCommand extends AbstractCommand implements Command {

    private static Logger log = Logger.getLogger(HgInitCommand.class);

    @Override
    protected ScmResult executeCommand(ScmProviderRepository repository, ScmFileSet basedir,
        CommandParameters args) throws ScmException {
        return executeInitCommand(repository);
    }

    public InitScmResult executeInitCommand(ScmProviderRepository repository) throws ScmException {
        // Get the directory in which to create a new repository. Only local
        // filesystems supported.
        log.info("executeInitCommand: " + repository);
        HgScmProviderRepository hgRepo = (HgScmProviderRepository) repository;
        String uri = hgRepo.getURI();
        log.info(uri);
        File hgRepoDir = new File(uri);
        File hgRepoRootDir = hgRepoDir.getParentFile();

        if (!hgRepoRootDir.exists()) {
            boolean workingDirReady = hgRepoRootDir.mkdirs();
            if (!workingDirReady) {
                throw new ScmException("Could not initiate test branch at: " + hgRepoRootDir);
            }
        }

        // Create and run the command
        String[] initCmd = new String[] { HgCommandConstants.INIT_CMD, hgRepoDir.getName() };
        ScmResult result = HgUtils.execute(hgRepoRootDir, initCmd);
        return new InitScmResult(result.getCommandLine(), result.getProviderMessage(), result.getCommandOutput(), result.isSuccess());
    }
}
