/*******************************************************************************
 * Copyright (c) Oct 2, 2012 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.sdklib.application;

import java.net.MalformedURLException;
import java.text.MessageFormat;
import java.util.Map;

import org.zend.sdklib.SdkException;
import org.zend.sdklib.internal.application.ZendConnection;
import org.zend.sdklib.mapping.IMappingLoader;
import org.zend.sdklib.target.ITargetLoader;
import org.zend.webapi.core.WebApiClient;
import org.zend.webapi.core.WebApiException;
import org.zend.webapi.core.connection.data.DebugMode;
import org.zend.webapi.core.progress.BasicStatus;
import org.zend.webapi.core.progress.StatusCode;

/**
 * Utility class which provides methods to start and stop debug mode.
 * 
 * @author Wojciech Galanciak, 2012
 */
public class ZendDebugMode extends ZendConnection {

	public enum State {
		STARTING,

		STOPPING,

		STARTED,

		STOPPED,

		ERROR
	}

	private String targetId;
	private String[] filters;
	private Map<String, String> options;

	public ZendDebugMode(String targetId) {
		super();
		this.targetId = targetId;
	}

	public ZendDebugMode(String targetId, IMappingLoader mappingLoader) {
		super(mappingLoader);
		this.targetId = targetId;
	}

	public ZendDebugMode(String targetId, ITargetLoader loader) {
		super(loader);
		this.targetId = targetId;
	}

	public ZendDebugMode(String targetId, ITargetLoader loader,
			IMappingLoader mappingLoader) {
		super(loader, mappingLoader);
		this.targetId = targetId;
	}

	public void setFilters(String[] filters) {
		this.filters = filters;
	}

	public void setOptions(Map<String, String> options) {
		this.options = options;
	}

	/**
	 * Start debug mode on particular Zend Server.
	 * 
	 * @return
	 * @throws WebApiException
	 */
	public State start() throws SdkException {
		try {
			WebApiClient client = getClient(targetId);
			if (isStarted()) {
				return State.STARTED;
			} else {
				DebugMode result = client
						.studioStartDebugMode(filters, options);
				if (result.getResult() == 1) {
					return State.STARTING;
				} else {
					return State.ERROR;
				}
			}
		} catch (MalformedURLException e) {
			String message = MessageFormat.format(
					"Error during starting debug mode for '{0}'", targetId);
			notifier.statusChanged(new BasicStatus(StatusCode.ERROR,
					"Starting Debug Mode", message, e));
			log.error(e);
		} catch (WebApiException e) {
			throw new SdkException(e);
		}
		return State.ERROR;
	}

	/**
	 * Stop debug mode on particular Zend Server.
	 * 
	 * @return
	 * @throws WebApiException
	 */
	public State stop() throws SdkException {
		try {
			WebApiClient client = getClient(targetId);
			if (!isStarted()) {
				return State.STOPPED;
			} else {
				DebugMode result = client.studioStopDebugMode();
				if (result.getResult() == 0) {
					return State.STOPPING;
				} else {
					return State.ERROR;
				}
			}
		} catch (MalformedURLException e) {
			String message = MessageFormat.format(
					"Error during stopping debug mode for '{0}'", targetId);
			notifier.statusChanged(new BasicStatus(StatusCode.ERROR,
					"Stopping Debug Mode", message, e));
			log.error(e);
		} catch (WebApiException e) {
			new SdkException(e);
		}
		return State.ERROR;
	}

	public boolean isStarted() throws SdkException {
		try {
			WebApiClient client = getClient(targetId);
			DebugMode isStarted = client.studioIsDebugModeEnabled();
			if (isStarted.getResult() == 0) {
				return false;
			} else {
				return true;
			}
		} catch (MalformedURLException e) {
			String message = MessageFormat.format(
					"Error during checking debug mode state for '{0}'",
					targetId);
			notifier.statusChanged(new BasicStatus(StatusCode.ERROR,
					"Checking Debug Mode State", message, e));
			log.error(e);
		} catch (WebApiException e) {
			new SdkException(e);
		}
		return false;
	}

}