/*******************************************************************************
 * Copyright (c) May 18, 2011 Zend Technologies Ltd. 
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Eclipse Public License v1.0 
 * which accompanies this distribution, and is available at 
 * http://www.eclipse.org/legal/epl-v10.html  
 *******************************************************************************/
package org.zend.sdkcli.internal.commands;

import org.zend.sdkcli.internal.options.Option;
import org.zend.sdklib.SdkException;
import org.zend.sdklib.repository.IRepository;
import org.zend.sdklib.repository.site.Application;
import org.zend.sdklib.repository.site.Site;

/**
 * List all targets and their statuses
 */
public class DiscoverApplicationCommand extends RepositoryAwareCommand {

	private static final String STATUS = "s";
	private static final String QUERY = "q";

	@Option(opt = STATUS, required = false, description = "show status line for applications")
	public boolean isStatus() {
		return hasOption(STATUS);
	}

	@Option(opt = QUERY, required = false, description = "filters according to a given pattern")
	public String getQuery() {
		return getValue(QUERY);
	}

	@Override
	public boolean doExecute() {
		final IRepository[] list = getRepositoryManager().getRepositories();
		if (list.length == 0) {
			commandLine.getLog().info("No Available repositories.");
			return true;
		}

		for (IRepository r : list) {
			commandLine.getLog().info("id: " + r.getId());

			try {
				final Site site = r.getSite();
				for (Application a : site.getApplication()) {

					// skip if irrelevant
					if (getQuery() != null && !a.getName().matches(getQuery())) {
						break;
					}

					commandLine.getLog().info(
							"\t" + a.getName() + " (" + a.getVersion() + ")");
					if (isStatus()) {
						commandLine.getLog().info(
								"\t\tFull Name: " + a.getLabel());
						final Object category = a.getCategory();
						if (category != null) {
							commandLine.getLog().info(
									"\t\tCategory: " + category);
						}

						final Object provider = a.getProvider();
						if (provider != null) {
							commandLine.getLog()
									.info("\tProvider: " + provider);
						}
						commandLine.getLog().info(
								"\tUpdate Range: " + a.getUpdateRange());

					}
				}
			} catch (SdkException e) {
				getLogger().error(e);
			}
		}

		return true;
	}
}