/***************************************************************************************************
 * Copyright (c) 2005 Eteration A.S. and Gorkem Ercan. 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: Gorkem Ercan - initial API and implementation
 *               
 **************************************************************************************************/
package org.eclipse.jst.server.generic.ui.internal;

import java.util.Map;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jst.server.generic.core.internal.GenericServer;
import org.eclipse.jst.server.generic.core.internal.GenericServerRuntime;
import org.eclipse.jst.server.generic.servertype.definition.ServerRuntime;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.wst.server.core.IRuntime;
import org.eclipse.wst.server.core.IServer;
import org.eclipse.wst.server.core.IServerWorkingCopy;
import org.eclipse.wst.server.core.ServerCore;
import org.eclipse.wst.server.core.TaskModel;
import org.eclipse.wst.server.ui.wizard.IWizardHandle;
/**
 * 
 *
 * @author Gorkem Ercan
 */
public class GenericServerWizardFragment extends ServerDefinitionTypeAwareWizardFragment 
{
	private GenericServerCompositeDecorator[] fDecorators;

	/**
	 * 
	 */
	public boolean isComplete() {

		ServerRuntime serverRuntime = getServerTypeDefinitionFor(getServer());
		if(serverRuntime==null)
		    return false;

		IServerWorkingCopy server = getServer();
		GenericServer dl= (GenericServer)server.loadAdapter(GenericServer.class,null);

		IStatus status = dl.validate();
		return (status != null && status.isOK());
		
	}

	public void createContent(Composite parent, IWizardHandle handle){
		IServerWorkingCopy server = getServer();
		GenericServer dl= (GenericServer)server.loadAdapter(GenericServer.class,null);
		ServerRuntime definition = getServerTypeDefinitionFor(server);
		fDecorators = new GenericServerCompositeDecorator[1];
		fDecorators[0]=new ServerTypeDefinitionServerDecorator(definition,null,getWizard(),dl);
		new GenericServerComposite(parent,fDecorators);
		
	}
	/**
     * @param server
     * @return
     */
    private ServerRuntime getServerTypeDefinitionFor(IServerWorkingCopy server) {        
        GenericServerRuntime runtime = (GenericServerRuntime)server.getRuntime().getAdapter(GenericServerRuntime.class);
        if(runtime==null){
            IRuntime wc = (IRuntime)getTaskModel().getObject(TaskModel.TASK_RUNTIME);
            runtime= (GenericServerRuntime)wc.getAdapter(GenericServerRuntime.class);
            if(runtime==null)
            	runtime= (GenericServerRuntime)wc.loadAdapter(GenericServerRuntime.class,new NullProgressMonitor());
        }        
        String id = runtime.getRuntime().getRuntimeType().getId();
        if(id==null){   
            return null;
        }
        Map runtimeProperties = runtime.getServerInstanceProperties();
		ServerRuntime definition = getServerTypeDefinition(id,runtimeProperties);
        return definition;
    }

    /**
     * @return
     */
    private IServerWorkingCopy getServer() {
        IServerWorkingCopy server = (IServerWorkingCopy)getTaskModel().getObject(TaskModel.TASK_SERVER);
        return server;
    }

    private boolean isNameInUse(String name){
       	IServer[] servers =ServerCore.getServers();   	
    	for (int i = 0; i < servers.length; i++) {
			if(!servers[i].equals(getServer().getOriginal()) && (servers[i].getName().equals(name) ))
				return true;
		}
    	return false;
    }
    
    private String createName(){
    	String name = GenericServerUIMessages.bind(GenericServerUIMessages.serverName,getServerTypeDefinitionFor(getServer()).getName());
    	int suffix=1;
    	String suffixName =name;
    	while(isNameInUse(suffixName)){
    		suffixName = name+" "+suffix;
    		suffix++;
    	}
    	return suffixName;
    }
    public void enter() {
    	getServer().setName(createName());
	    for (int i = 0; i < fDecorators.length; i++) {
			if(fDecorators[i].validate())
				return;
		}
     }
	public void exit() {
	    //validate needed to save the latest values.
		for (int i = 0; i < fDecorators.length; i++) {
			if(fDecorators[i].validate())
				return;
		}
	}	
    /* (non-Javadoc)
     * @see org.eclipse.jst.server.generic.internal.ui.ServerDefinitionTypeAwareWizardFragment#description()
     */
    public String description() {
        String sName = getServerName();
        if(sName==null || sName.length()<1)
            sName="Generic";
        return  GenericServerUIMessages.bind(GenericServerUIMessages.serverWizardDescription,sName);
    }

    private String getServerName()
    {
        if(getServer()!=null && getServer().getRuntime()!=null)
           return getServer().getRuntime().getRuntimeType().getName();
        return null;
    }
    /* (non-Javadoc)
     * @see org.eclipse.jst.server.generic.internal.ui.ServerDefinitionTypeAwareWizardFragment#title()
     */
    public String title() {
        String sName= getServerName();
        if(sName==null || sName.length()<1)
            sName="Generic";
        return  GenericServerUIMessages.bind(GenericServerUIMessages.serverWizardTitle,sName);
    }
}