/*******************************************************************************
 * 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.gradle.action;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.IStructuredSelection;

import com.liferay.ide.gradle.core.GradleUtil;
import com.liferay.ide.project.ui.ProjectUI;
import com.liferay.ide.ui.action.AbstractObjectAction;

/**
 * @author Lovett Li
 */
public abstract class GradleTaskAction extends AbstractObjectAction
{

    public GradleTaskAction()
    {
        super();
    }

    protected abstract String getGradleTask();

    public void run( IAction action )
    {
        if( fSelection instanceof IStructuredSelection )
        {
            Object[] elems = ( (IStructuredSelection) fSelection ).toArray();

            IFile gradleBuildFile = null;
            IProject project = null;

            Object elem = elems[0];

            if( elem instanceof IFile )
            {
                gradleBuildFile = (IFile) elem;
                project = gradleBuildFile.getProject();
            }
            else if( elem instanceof IProject )
            {
                project = (IProject) elem;
                gradleBuildFile = project.getFile( "build.gradle" );
            }

            if( gradleBuildFile.exists() )
            {
                final IProject p = project;

                final Job job = new Job( p.getName() + " - " + getGradleTask())
                {

                    @Override
                    protected IStatus run( IProgressMonitor monitor )
                    {
                        try
                        {
                            monitor.beginTask( getGradleTask(), 100 );

                            GradleUtil.runGradleTask( p, getGradleTask(), monitor );

                            monitor.worked( 80 );

                            p.refreshLocal( IResource.DEPTH_INFINITE, monitor );

                            monitor.worked( 10 );

                            updateProject( p, monitor );

                            monitor.worked( 10 );
                        }
                        catch( Exception e )
                        {
                            return ProjectUI.createErrorStatus( "Error running Gradle goal " + getGradleTask(), e );
                        }

                        return Status.OK_STATUS;
                    }
                };

                job.schedule();
            }
        }
    }

    protected void updateProject( IProject p, IProgressMonitor monitor )
    {
        try
        {
            p.refreshLocal( IResource.DEPTH_INFINITE, monitor );
        }
        catch( CoreException e )
        {
        }
    }
}