package org.gcube.portlets.widgets.githubconnector.server;

import java.util.ArrayList;

import javax.servlet.ServletException;

import org.gcube.portlets.widgets.githubconnector.client.rpc.GitHubConnectorService;
import org.gcube.portlets.widgets.githubconnector.server.git.GitConnectorService;
import org.gcube.portlets.widgets.githubconnector.server.util.ServiceCredentials;
import org.gcube.portlets.widgets.githubconnector.shared.exception.ServiceException;
import org.gcube.portlets.widgets.githubconnector.shared.git.GitHubCloneSession;
import org.gcube.portlets.widgets.githubconnector.shared.git.data.GitHubRepository;
import org.gcube.portlets.widgets.githubconnector.shared.git.data.credential.GitHubCredential;
import org.gcube.portlets.widgets.githubconnector.shared.session.UserInfo;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.google.gwt.user.server.rpc.RemoteServiceServlet;

/**
 * 
 * @author Giancarlo Panichi email: <a
 *         href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
 *
 */
@SuppressWarnings("serial")
public class GitHubConnectorServiceImpl extends RemoteServiceServlet implements
		GitHubConnectorService {

	private static Logger logger = LoggerFactory
			.getLogger(GitHubConnectorServiceImpl.class);

	@Override
	public void init() throws ServletException {
		super.init();
		logger.info("GitHubConnectorServiceImpl started!");

	}

	/**
	 * 
	 * {@inheritDoc}
	 * 
	 */
	@Override
	public UserInfo hello() throws ServiceException {
		try {

			ServiceCredentials serviceCredentials = SessionUtil
					.getServiceCredentials(this.getThreadLocalRequest());
			logger.debug("hello()");
			UserInfo userInfo = new UserInfo(serviceCredentials.getUserName(),
					serviceCredentials.getGroupId(),
					serviceCredentials.getGroupName(),
					serviceCredentials.getScope(),
					serviceCredentials.getEmail(),
					serviceCredentials.getFullName());
			logger.debug("UserInfo: " + userInfo);
			return userInfo;
		} catch (ServiceException e) {
			e.printStackTrace();
			throw e;
		} catch (Throwable e) {
			e.printStackTrace();
			logger.error("Hello(): " + e.getLocalizedMessage(), e);
			throw new ServiceException(e.getLocalizedMessage(), e);
		}

	}

	@Override
	public ArrayList<GitHubRepository> getRepositories(String repositoryOwner,
			GitHubCredential gitHubCredential) throws ServiceException {
		try {
			ServiceCredentials serviceCredentials = SessionUtil
					.getServiceCredentials(this.getThreadLocalRequest());
			logger.debug("getRepository(): " + gitHubCredential);
			GitConnectorService gitConnectorService = new GitConnectorService(
					serviceCredentials.getUserName(), gitHubCredential);
			return gitConnectorService.getRepositories(repositoryOwner);
		} catch (ServiceException e) {
			e.printStackTrace();
			throw e;
		} catch (Throwable e) {
			e.printStackTrace();
			logger.error("Hello(): " + e.getLocalizedMessage(), e);
			throw new ServiceException(e.getLocalizedMessage(), e);
		}
	}

	@Override
	public void cloneRepository(GitHubCloneSession gitHubCloneSession)
			throws ServiceException {
		try {
			ServiceCredentials serviceCredentials = SessionUtil
					.getServiceCredentials(this.getThreadLocalRequest());
			logger.debug("cloneRepository(): " + gitHubCloneSession);
			GitConnectorService gitConnectorService = new GitConnectorService(
					serviceCredentials.getUserName(),
					gitHubCloneSession.getGitHubCredential());
			gitConnectorService.cloneRepository(
					gitHubCloneSession.getDestinationFolderId(),
					gitHubCloneSession.getRepositoryOwner(),
					gitHubCloneSession.getRepositoryName());
			return;
		} catch (ServiceException e) {
			e.printStackTrace();
			throw e;
		} catch (Throwable e) {
			e.printStackTrace();
			logger.error("Hello(): " + e.getLocalizedMessage(), e);
			throw new ServiceException(e.getLocalizedMessage(), e);
		}
	}

}