/**
 * Copyright 2010 JogAmp Community. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 *    1. Redistributions of source code must retain the above copyright notice, this list of
 *       conditions and the following disclaimer.
 *
 *    2. Redistributions in binary form must reproduce the above copyright notice, this list
 *       of conditions and the following disclaimer in the documentation and/or other materials
 *       provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * The views and conclusions contained in the software and documentation are those of the
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package com.jogamp.opengl.test.junit.jogl.demos.gl2.awt;

import com.jogamp.opengl.*;

import com.jogamp.newt.event.KeyEvent;
import com.jogamp.newt.event.TraceKeyAdapter;
import com.jogamp.newt.event.TraceWindowAdapter;
import com.jogamp.newt.event.awt.AWTKeyAdapter;
import com.jogamp.newt.event.awt.AWTWindowAdapter;
import com.jogamp.opengl.util.FPSAnimator;

import com.jogamp.opengl.awt.GLJPanel;

import com.jogamp.opengl.test.junit.jogl.demos.gl2.Gears;
import com.jogamp.opengl.test.junit.util.MiscUtils;
import com.jogamp.opengl.test.junit.util.QuitAdapter;
import com.jogamp.opengl.test.junit.util.UITestCase;

import java.awt.AWTException;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.lang.reflect.InvocationTargetException;

import javax.swing.JFrame;
import javax.swing.SwingUtilities;

import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.AfterClass;
import org.junit.Test;
import org.junit.FixMethodOrder;
import org.junit.runners.MethodSorters;

@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class TestGearsGLJPanelAWT extends UITestCase {
    static GLProfile glp;
    static int width, height;
    static boolean shallUsePBuffer = false;
    static boolean shallUseBitmap = false;
    static boolean useMSAA = false;
    static int swapInterval = 0;
    static boolean useAnimator = true;
    static boolean manualTest = false;

    @BeforeClass
    public static void initClass() {
        if(GLProfile.isAvailable(GLProfile.GL2)) {
            glp = GLProfile.get(GLProfile.GL2);
            Assert.assertNotNull(glp);
            width  = 640;
            height = 480;
        } else {
            setTestSupported(false);
        }
    }

    @AfterClass
    public static void releaseClass() {
    }

    protected void runTestGL(final GLCapabilities caps)
            throws AWTException, InterruptedException, InvocationTargetException
    {
        final JFrame frame = new JFrame("Swing GLJPanel");
        Assert.assertNotNull(frame);

        final GLJPanel glJPanel = new GLJPanel(caps);
        Assert.assertNotNull(glJPanel);
        final Dimension glc_sz = new Dimension(width, height);
        glJPanel.setMinimumSize(glc_sz);
        glJPanel.setPreferredSize(glc_sz);
        glJPanel.setSize(glc_sz);
        glJPanel.addGLEventListener(new Gears(swapInterval));
        final SnapshotGLEventListener snap = new SnapshotGLEventListener();
        glJPanel.addGLEventListener(snap);

        final FPSAnimator animator = useAnimator ? new FPSAnimator(glJPanel, 60) : null;

        SwingUtilities.invokeAndWait(new Runnable() {
                public void run() {
                    frame.getContentPane().add(glJPanel, BorderLayout.CENTER);
                    frame.getContentPane().validate();
                    frame.pack();
                    frame.setVisible(true);
                } } ) ;

        if( useAnimator ) {
            animator.setUpdateFPSFrames(60, System.err);
            animator.start();
            Assert.assertEquals(true, animator.isAnimating());
        }

        final QuitAdapter quitAdapter = new QuitAdapter();
        new AWTKeyAdapter(new TraceKeyAdapter(quitAdapter), glJPanel).addTo(glJPanel);
        new AWTWindowAdapter(new TraceWindowAdapter(quitAdapter), glJPanel).addTo(frame);

        final com.jogamp.newt.event.KeyListener kl = new com.jogamp.newt.event.KeyAdapter() {
            @Override
            public void keyPressed(final KeyEvent e) {
                if( e.isAutoRepeat() ) {
                    return;
                }
                if(e.getKeyChar()=='m') {
                    final GLCapabilitiesImmutable capsPre = glJPanel.getChosenGLCapabilities();
                    final GLCapabilities capsNew = new GLCapabilities(capsPre.getGLProfile());
                    capsNew.copyFrom(capsPre);
                    final boolean msaa;
                    if( capsPre.getSampleBuffers() ) {
                        capsNew.setSampleBuffers(false);
                        capsNew.setDoubleBuffered(false);
                        msaa = false;
                    } else {
                        capsNew.setSampleBuffers(true);
                        capsNew.setNumSamples(4);
                        msaa = true;
                    }
                    System.err.println("[set MSAA "+msaa+" Caps had]: "+capsPre);
                    System.err.println("[set MSAA "+msaa+" Caps new]: "+capsNew);
                    System.err.println("XXX-A1: "+animator.toString());
                    glJPanel.setRequestedGLCapabilities(capsNew);
                    System.err.println("XXX-A2: "+animator.toString());
                    System.err.println("XXX: "+glJPanel.toString());
                } else if(e.getKeyChar()=='b') {
                    final GLCapabilitiesImmutable capsPre = glJPanel.getChosenGLCapabilities();
                    final GLCapabilities capsNew = new GLCapabilities(capsPre.getGLProfile());
                    capsNew.copyFrom(capsPre);
                    final boolean bmp;
                    if( capsPre.isBitmap() ) {
                        capsNew.setBitmap(false); // auto-choose
                        bmp = false;
                    } else {
                        capsNew.setBitmap(true);
                        capsNew.setFBO(false);
                        capsNew.setPBuffer(false);
                        bmp = true;
                    }
                    System.err.println("[set Bitmap "+bmp+" Caps had]: "+capsPre);
                    System.err.println("[set Bitmap "+bmp+" Caps new]: "+capsNew);
                    System.err.println("XXX-A1: "+animator.toString());
                    glJPanel.setRequestedGLCapabilities(capsNew);
                    System.err.println("XXX-A2: "+animator.toString());
                    System.err.println("XXX: "+glJPanel.toString());
                }
            } };
        new AWTKeyAdapter(kl, glJPanel).addTo(glJPanel);

        final long t0 = System.currentTimeMillis();
        long t1 = t0;
        boolean triggerSnap = false;
        while(!quitAdapter.shouldQuit() && t1 - t0 < duration) {
            Thread.sleep(100);
            t1 = System.currentTimeMillis();
            snap.getDisplayCount();
            if( !triggerSnap && snap.getDisplayCount() > 1 ) {
                // Snapshot only after one frame has been rendered to suite FBO MSAA!
                snap.setMakeSnapshot();
                triggerSnap = true;
            }
        }

        Assert.assertNotNull(frame);
        Assert.assertNotNull(glJPanel);
        Assert.assertNotNull(animator);

        if( useAnimator ) {
            animator.stop();
            Assert.assertEquals(false, animator.isAnimating());
        }
        SwingUtilities.invokeAndWait(new Runnable() {
                public void run() {
                    frame.setVisible(false);
                    frame.getContentPane().remove(glJPanel);
                    frame.remove(glJPanel);
                    glJPanel.destroy();
                    frame.dispose();
                } } );
    }

    @Test
    public void test01_DefaultNorm()
            throws AWTException, InterruptedException, InvocationTargetException
    {
        final GLCapabilities caps = new GLCapabilities(GLProfile.getDefault());
        if(useMSAA) {
            caps.setNumSamples(4);
            caps.setSampleBuffers(true);
        }
        if(shallUsePBuffer) {
            caps.setPBuffer(true);
        }
        if(shallUseBitmap) {
            caps.setBitmap(true);
        }
        runTestGL(caps);
    }

    @Test
    public void test02_DefaultMsaa()
            throws AWTException, InterruptedException, InvocationTargetException
    {
        if( manualTest ) {
            return;
        }
        final GLCapabilities caps = new GLCapabilities(GLProfile.getDefault());
        caps.setNumSamples(4);
        caps.setSampleBuffers(true);
        runTestGL(caps);
    }

    @Test
    public void test03_PbufferNorm()
            throws AWTException, InterruptedException, InvocationTargetException
    {
        if( manualTest ) {
            return;
        }
        final GLCapabilities caps = new GLCapabilities(GLProfile.getDefault());
        caps.setPBuffer(true);
        runTestGL(caps);
    }

    @Test
    public void test04_PbufferMsaa()
            throws AWTException, InterruptedException, InvocationTargetException
    {
        if( manualTest ) {
            return;
        }
        final GLCapabilities caps = new GLCapabilities(GLProfile.getDefault());
        caps.setNumSamples(4);
        caps.setSampleBuffers(true);
        caps.setPBuffer(true);
        runTestGL(caps);
    }

    @Test
    public void test05_BitmapNorm()
            throws AWTException, InterruptedException, InvocationTargetException
    {
        if( manualTest ) {
            return;
        }
        final GLCapabilities caps = new GLCapabilities(GLProfile.getDefault());
        caps.setBitmap(true);
        runTestGL(caps);
    }

    @Test
    public void test06_BitmapMsaa()
            throws AWTException, InterruptedException, InvocationTargetException
    {
        if( manualTest ) {
            return;
        }
        final GLCapabilities caps = new GLCapabilities(GLProfile.getDefault());
        caps.setNumSamples(4);
        caps.setSampleBuffers(true);
        caps.setBitmap(true);
        runTestGL(caps);
    }

    static long duration = 500; // ms

    public static void main(final String args[]) {
        for(int i=0; i<args.length; i++) {
            if(args[i].equals("-time")) {
                i++;
                duration = MiscUtils.atol(args[i], duration);
            } else if(args[i].equals("-vsync")) {
                i++;
                swapInterval = MiscUtils.atoi(args[i], swapInterval);
            } else if(args[i].equals("-msaa")) {
                useMSAA = true;
            } else if(args[i].equals("-noanim")) {
                useAnimator  = false;
            } else if(args[i].equals("-pbuffer")) {
                shallUsePBuffer = true;
            } else if(args[i].equals("-bitmap")) {
                shallUseBitmap = true;
            } else if(args[i].equals("-manual")) {
                manualTest = true;
            }
        }
        System.err.println("swapInterval "+swapInterval);
        System.err.println("useMSAA "+useMSAA);
        System.err.println("useAnimator "+useAnimator);
        System.err.println("shallUsePBuffer "+shallUsePBuffer);
        System.err.println("shallUseBitmap "+shallUseBitmap);
        System.err.println("manualTest "+manualTest);

        org.junit.runner.JUnitCore.main(TestGearsGLJPanelAWT.class.getName());
    }
}
