/*******************************************************************************
 * 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
 * 
 * Contributors:
 *     Melanie Bats <melanie.bats@obeo.fr> - Initial contribution
 *******************************************************************************/
package org.buildroot.cdt.toolchain;

import java.util.HashMap;
import java.util.Map;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.ILog;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;

/**
 * The activator class controls the plug-in life cycle
 */
public class BuildrootActivator extends AbstractUIPlugin {

	// The plug-in ID
	public static final String PLUGIN_ID = "org.buildroot.cdt.toolchain"; //$NON-NLS-1$

	// The shared instance
	private static BuildrootActivator plugin;

	/**
	 * The log of the plug-in.
	 */
	private static ILog logger;

	private static Map<String, BuildrootDebuggerConfig> debuggerConfigurations = new HashMap<String, BuildrootDebuggerConfig>();

	/**
	 * The constructor
	 */
	public BuildrootActivator() {
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext
	 * )
	 */
	public void start(BundleContext context) throws Exception {
		super.start(context);
		plugin = this;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext
	 * )
	 */
	public void stop(BundleContext context) throws Exception {
		plugin = null;
		debuggerConfigurations.clear();
		super.stop(context);
	}

	/**
	 * Returns the shared instance
	 * 
	 * @return the shared instance
	 */
	public static BuildrootActivator getDefault() {
		return plugin;
	}

	public static ILog getLogger() {
		return logger;
	}

	/**
	 * Logs an error in the error log.
	 * 
	 * @param message
	 *            the message to log (optional)
	 * @param e
	 *            the exception (optional)
	 */
	public void error(String message, final Throwable e) {
		String error = message;
		if (message == null && e != null) {
			error = e.getMessage();
		}
		if (e instanceof CoreException) {
			this.getLog().log(((CoreException) e).getStatus());
		} else {
			final IStatus status = new Status(IStatus.ERROR, this.getBundle()
					.getSymbolicName(), error, e);
			this.getLog().log(status);
		}
	}

	/**
	 * Logs a warning in the error log.
	 * 
	 * @param message
	 *            the message to log (optional)
	 * @param e
	 *            the exception (optional)
	 */
	public void warning(String message, final Exception e) {
		String warning = message;
		if (message == null && e != null) {
			warning = e.getMessage();
		}
		if (e instanceof CoreException) {
			this.getLog().log(((CoreException) e).getStatus());
		} else {
			final IStatus status = new Status(IStatus.WARNING, this.getBundle()
					.getSymbolicName(), warning, e);
			this.getLog().log(status);
		}
	}

	public static String getGdbInitPath(String name) {
		return debuggerConfigurations.get(name).getGdbInitPath();
	}

	public static String getDebugName(String name) {
		return debuggerConfigurations.get(name).getDebugName();
	}

	public static void registerDebuggerConfiguration(String architecture,
			String prefix, String path) {
		debuggerConfigurations.put(
				BuildrootUtils.getToolName(architecture, path, null),
				new BuildrootDebuggerConfig(prefix, path));
	}

}