/* 
 * This file is part of the Echo Web Application Framework (hereinafter "Echo").
 * Copyright (C) 2002-2009 NextApp, Inc.
 *
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 */

package nextapp.echo2.testapp.interactive;

import nextapp.echo2.app.Button;
import nextapp.echo2.app.TaskQueueHandle;

/**
 * Note to developers who might use this class as an example:
 * Don't.  This is a *very unusual* use of asynchronous tasks.
 * See the documentation for examples of how asynchronous tasks
 * might normally be used.
 */
public class GhostTask {
    
    private InteractiveApp app;
    private int clicksPerIteration = 1;
    private boolean indefiniteAllowed;
    private int iteration = 0;
    private String[] script;
    private int scriptIndex = 0;
    private String[] startupScript;
    
    private TaskQueueHandle taskQueue;
    
    private int totalIterations = -1;
    private int runTime = -1;
    private long stopTime = -1;

    private Runnable task = new Runnable() {
    
        /**
         * @see java.lang.Runnable#run()
         */
        public void run() {
            for (int i = 0; i < clicksPerIteration; ++i) {
                if (script == null) {
                    RandomClick.clickRandomButton();
                } else {
                    Button button = (Button) app.getDefaultWindow().getComponent(script[scriptIndex]);
                    button.doAction();
                    ++scriptIndex;
                    if (scriptIndex >= script.length) {
                        scriptIndex = 0;
                    }
                }
            }
            if (stopTime != -1 && System.currentTimeMillis() > stopTime) {
                app.setGhostIterationWindowTitle(-1);
                // Test complete.
                app.stopGhostTest();
            } else if (totalIterations != -1 && iteration >= totalIterations) {
                app.setGhostIterationWindowTitle(-1);
                // Test complete.
                app.stopGhostTest();
            } else if (indefiniteAllowed) {
                ++iteration;
                app.setGhostIterationWindowTitle(iteration);
                app.enqueueTask(taskQueue, this);
            }
        }
    };
    
    /**
     * Creates a new <code>GhostTask</code>.
     * 
     * @param app the application to test
     * @param taskQueue the <code>TaskQueueHandle</code> to which tasks will be 
     *        added
     */
    public GhostTask() {
        super();
        indefiniteAllowed = !InteractiveApp.LIVE_DEMO_SERVER;
    }
    
    public int getClicksPerIteration() {
        return clicksPerIteration;
    }
    
    public int getRunTime() {
        return runTime;
    }

    public String[] getScript() {
        return script;
    }

    public String[] getStartupScript() {
        return startupScript;
    }

    public int getTotalIterations() {
        return totalIterations;
    }

    public void setClicksPerIteration(int clicksPerIteration) {
        this.clicksPerIteration = clicksPerIteration;
    }

    public void setScript(String[] script) {
        this.script = script;
    }

    public void setRunTime(int runTime) {
        this.runTime = runTime;
        this.totalIterations = -1;
    }

    public void setStartupScript(String[] startupScript) {
        this.startupScript = startupScript;
    }

    public void setTotalIterations(int totalIterations) {
        this.totalIterations = totalIterations;
        this.runTime = -1;
    }

    void startTask(InteractiveApp app, TaskQueueHandle taskQueue) {
        this.app = app;
        this.taskQueue = taskQueue;
        if (runTime != -1) {
            stopTime = System.currentTimeMillis() + runTime;
        }
        app.enqueueTask(taskQueue, task);
    }
}