/***************************************************************************************************
 * 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.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.IRuntimeType;
import org.eclipse.wst.server.core.IRuntimeWorkingCopy;
import org.eclipse.wst.server.core.ServerCore;
import org.eclipse.wst.server.core.TaskModel;
import org.eclipse.wst.server.core.internal.IInstallableRuntime;
import org.eclipse.wst.server.core.internal.ServerPlugin;
import org.eclipse.wst.server.core.model.RuntimeDelegate;
import org.eclipse.wst.server.ui.wizard.IWizardHandle;

/**
 * A serverDefinitionType aware wizard for defining runtimes.
 * 
 * @author Gorkem Ercan
 */
public class GenericServerRuntimeWizardFragment extends ServerDefinitionTypeAwareWizardFragment {
	
	private GenericServerCompositeDecorator[] fDecorators;
	
	
	/**
	 * Constructor
	 */
	public GenericServerRuntimeWizardFragment() {
		super();
	}
	/* (non-Javadoc)
	 * @see org.eclipse.wst.server.ui.wizard.IWizardFragment#isComplete()
	 */
	public boolean isComplete() {
	  	RuntimeDelegate runtime = getRuntimeDelegate();
		if (runtime == null)
			return false;
		IStatus status = runtime.validate();
		return (status != null && status.isOK());
	}
	
	public void createContent(Composite parent, IWizardHandle handle) {		
		Map properties= null;
		ServerRuntime definition=null;
        if(getRuntimeDelegate()!=null){
 			properties = getRuntimeDelegate().getServerInstanceProperties();
			definition = getServerTypeDefinition(getServerDefinitionId(),properties);
		}       
        IInstallableRuntime ir = ServerPlugin.findInstallableRuntime(getRuntimeDelegate().getRuntime().getRuntimeType().getId());
        if (ir!= null){	
        	fDecorators= new GenericServerCompositeDecorator[3]; 
        	fDecorators[0]= new JRESelectDecorator(getRuntimeDelegate());
        	fDecorators[1]= new ServerTypeDefinitionRuntimeDecorator(definition,properties,getWizard(),getRuntimeDelegate());
        	fDecorators[2]= new InstallableRuntimeDecorator(getRuntimeDelegate());
        }
        else{
        	fDecorators= new GenericServerCompositeDecorator[2]; 
        	fDecorators[0]= new JRESelectDecorator(getRuntimeDelegate());
        	fDecorators[1]= new ServerTypeDefinitionRuntimeDecorator(definition,properties,getWizard(),getRuntimeDelegate());
        }
		
		new GenericServerComposite(parent,fDecorators);
	}

	
	private String getServerDefinitionId(){
		String currentDefinition= null;
		if(getRuntimeDelegate()!=null)
			currentDefinition =  getRuntimeDelegate().getRuntime().getRuntimeType().getId();
		if(currentDefinition!= null && currentDefinition.length()>0)
		{	
			return currentDefinition;
		}
		return null;
	}
	
	
	/* (non-Javadoc)
	 * @see org.eclipse.wst.server.ui.wizard.IWizardFragment#enter()
	 */
	public void enter() {
	    if(getRuntimeDelegate()!=null)
			getRuntimeDelegate().getRuntimeWorkingCopy().setName(createName());
	    
	    for (int i = 0; i < fDecorators.length; i++) {
			if(fDecorators[i].validate())
				return;
		}
	}
	
	public void exit() {
		//validate to save latest values
	    for (int i = 0; i < fDecorators.length; i++) {
			if(fDecorators[i].validate())
				return;
		}
	}


	private String createName()
	{
	    RuntimeDelegate dl = getRuntimeDelegate();
	    IRuntimeType runtimeType = dl.getRuntime().getRuntimeType();
	    String name = GenericServerUIMessages.bind(GenericServerUIMessages.runtimeName,runtimeType.getName());
		IRuntime[] list = ServerCore.getRuntimes();
		int suffix = 1;
		String suffixName=name;
		for(int i=0;i<list.length;i++)
	    {
	        if((list[i].getName().equals(name)|| list[i].getName().equals(suffixName))&& !list[i].equals(dl.getRuntime()))
	            suffix++;
	        suffixName= name+" "+suffix;
	    }
	    
		if(suffix>1)
		    return suffixName;
	    return name;
	}
	
	private GenericServerRuntime getRuntimeDelegate(){
		IRuntimeWorkingCopy wc = (IRuntimeWorkingCopy) getTaskModel().getObject(TaskModel.TASK_RUNTIME);
		if (wc == null)
			return null;
		return (GenericServerRuntime) wc.loadAdapter(GenericServerRuntime.class, new NullProgressMonitor());
	}
    /* (non-Javadoc)
     * @see org.eclipse.jst.server.generic.internal.ui.ServerDefinitionTypeAwareWizardFragment#description()
     */
    public String description() {
        String rName = getRuntimeName();
        if(rName == null || rName.length()<1)
            rName="Generic";      
        return  GenericServerUIMessages.bind(GenericServerUIMessages.runtimeWizardDescription,rName);
    }
    /* (non-Javadoc)
     * @see org.eclipse.jst.server.generic.internal.ui.ServerDefinitionTypeAwareWizardFragment#title()
     */
    public String title() {
        String rName = getRuntimeName();
        if(rName == null || rName.length()<1)
            rName="Generic";
       return GenericServerUIMessages.bind(GenericServerUIMessages.runtimeWizardTitle,rName);
    }
    
    private String getRuntimeName()
    {
       if(getRuntimeDelegate()!=null && getRuntimeDelegate().getRuntime()!=null)
            return getRuntimeDelegate().getRuntime().getName();
        return null;
    }
    
}