/*******************************************************************************
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 *
 *******************************************************************************/

package com.liferay.ide.server.remote;

import com.liferay.ide.core.util.StringPool;

import java.io.InputStream;
import java.io.OutputStream;

import org.eclipse.debug.core.DebugEvent;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunch;
import org.eclipse.debug.core.model.IProcess;
import org.eclipse.debug.core.model.IStreamsProxy;
import org.eclipse.debug.internal.core.StreamsProxy;
import org.eclipse.wst.server.core.IServer;

/**
 * @author Greg Amerson
 */
@SuppressWarnings( "restriction" )
public class RemoteMonitorProcess extends Process implements IProcess
{

    protected IServerManagerConnection remoteConnection;
    protected String label;
    protected ILaunch launch;
    protected IServer server;
    protected IStreamsProxy streamsProxy;
    protected IRemoteServer remoteServer;

    public RemoteMonitorProcess( IServer server, IServerManagerConnection connection, ILaunch launch )
    {
        this.server = server;
        this.remoteServer = (IRemoteServer) server.loadAdapter( IRemoteServer.class, null );
        this.remoteConnection = connection;
        this.launch = launch;
    }

    public boolean canTerminate()
    {
        return !isTerminated();
    }

    @Override
    public void destroy()
    {
        System.out.println( "destroy" ); //$NON-NLS-1$
    }

    @Override
    public int exitValue()
    {

        return 0;
    }

    @SuppressWarnings( "rawtypes" )
    public Object getAdapter( Class adapter )
    {
        return null;
    }

    public String getAttribute( String key )
    {
        // return (/* IProcess.ATTR_PROCESS_TYPE.equals(key) || */IProcess.ATTR_PROCESS_LABEL.equals(key))
        // ? "Remote Liferay Server Monitor" : null;
        return null;
    }

    @Override
    public InputStream getErrorStream()
    {
        return new RemoteLogStream( server, remoteServer, remoteConnection, "error" ); //$NON-NLS-1$
    }

    public int getExitValue() throws DebugException
    {

        return 0;
    }

    @Override
    public InputStream getInputStream()
    {
        return new RemoteLogStream( server, remoteServer, remoteConnection, "output" ); //$NON-NLS-1$
    }

    public String getLabel()
    {
        if( this.label == null )
        {
            String host = null;
            String port = null;

            if( server != null )
            {
                host = server.getHost();
            }

            IRemoteServer wasServer = RemoteUtil.getRemoteServer( server );

            if( wasServer != null )
            {
                port = wasServer.getHTTPPort();
            }

            this.label = ( host != null ? host : StringPool.EMPTY ) + ":" + ( port != null ? port : StringPool.EMPTY ); //$NON-NLS-1$
        }

        return this.label;
    }

    public ILaunch getLaunch()
    {
        return launch;
    }

    @Override
    public OutputStream getOutputStream()
    {
        return null;
    }

    public IStreamsProxy getStreamsProxy()
    {
        if( streamsProxy == null )
        {
            streamsProxy = new StreamsProxy( this, "UTF-8" ); //$NON-NLS-1$
        }

        return streamsProxy;
    }

    public boolean isTerminated()
    {
        return remoteConnection == null; // || (!adminConnection.isAlive().isOK());
    }

    public void setAttribute( String key, String value )
    {
    }

    public void terminate() throws DebugException
    {
        remoteConnection = null;
        // this.launch.removeProcess(this);

        DebugEvent[] events = { new DebugEvent( this, DebugEvent.TERMINATE ) };

        DebugPlugin.getDefault().fireDebugEventSet( events );
    }

    @Override
    public int waitFor() throws InterruptedException
    {

        return 0;
    }

}