/**
 * Copyright 2013 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
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * 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
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 *
 * 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.perf;

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.lang.reflect.InvocationTargetException;

import javax.media.opengl.GLAnimatorControl;
import javax.media.opengl.GLAutoDrawable;
import javax.media.opengl.GLCapabilities;
import javax.media.opengl.GLCapabilitiesImmutable;
import javax.media.opengl.GLEventListener;
import javax.media.opengl.GLProfile;
import javax.media.opengl.awt.GLCanvas;
import javax.media.opengl.awt.GLJPanel;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.SwingUtilities;

import org.junit.Assume;
import org.junit.BeforeClass;
import org.junit.FixMethodOrder;
import org.junit.Test;
import org.junit.runners.MethodSorters;

import com.jogamp.common.os.Platform;
import com.jogamp.opengl.test.junit.jogl.demos.es2.GearsES2;
import com.jogamp.opengl.test.junit.util.MiscUtils;
import com.jogamp.opengl.test.junit.util.UITestCase;
import com.jogamp.opengl.util.Animator;

/**
 * Multiple GLJPanels in a JFrame
 */
@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class TestPerf001GLJPanelInit02AWT extends UITestCase {
    final long INIT_TIMEOUT = 10L*1000L; // 10s

    @BeforeClass
    public static void initClass() {
        GLProfile.initSingleton();
    }

    public void test(final GLCapabilitiesImmutable caps, final boolean useGears, final boolean skipGLOrientationVerticalFlip, final int width,
                     final int height, final int frameCount, final boolean initMT, final boolean useGLJPanel,
                     final boolean useSwingDoubleBuffer, final boolean useGLCanvas, final boolean useAnim, final boolean overlap) {
        final GLAnimatorControl animator;
        if( useAnim ) {
            animator = new Animator();
            animator.start();
        } else {
            animator = null;
        }
        final int eWidth, eHeight;
        {
            final int cols = (int)Math.round(Math.sqrt(frameCount));
            final int rows = frameCount / cols;
            eWidth = width/cols-32;
            eHeight = height/rows-32;
        }
        System.err.println("Frame size: "+width+"x"+height+" -> "+frameCount+" x "+eWidth+"x"+eHeight+", overlap "+overlap);
        System.err.println("SkipGLOrientationVerticalFlip "+skipGLOrientationVerticalFlip+", useGears "+useGears+", initMT "+initMT+", useAnim "+useAnim);
        final JFrame[] frame = new JFrame[frameCount];
        final long[] t = new long[10];
        if( wait ) {
            UITestCase.waitForKey("Pre-Init");
        }
        System.err.println("INIT START");
        initCount = 0;
        try {
            javax.swing.SwingUtilities.invokeAndWait(new Runnable() {
                public void run() {
                    t[0] = Platform.currentTimeMillis();
                    int x = 32, y = 32;
                    for(int i=0; i<frameCount; i++) {
                        frame[i] = new JFrame("frame_"+i+"/"+frameCount);
                        frame[i].setLocation(x, y);
                        if(!overlap) {
                            x+=eWidth+32;
                            if(x>=width) {
                                x=32;
                                y+=eHeight+32;
                            }
                        }
                        final JPanel panel = new JPanel();
                        panel.setLayout(new BorderLayout());
                        panel.setDoubleBuffered(useSwingDoubleBuffer);
                        // panel.setBounds(0, 0, width, height);
                        final Dimension eSize = new Dimension(eWidth, eHeight);
                        final GLAutoDrawable glad = useGLJPanel ? createGLJPanel(initMT, useSwingDoubleBuffer, caps, useGears, skipGLOrientationVerticalFlip, animator, eSize) : ( useGLCanvas ? createGLCanvas(caps, useGears, animator, eSize) : null );
                        if( null != glad ) {
                            glad.addGLEventListener(new GLEventListener() {
                                @Override
                                public void init(GLAutoDrawable drawable) {
                                    initCount++;
                                }
                                @Override
                                public void dispose(GLAutoDrawable drawable) {}
                                @Override
                                public void display(GLAutoDrawable drawable) {}
                                @Override
                                public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {}
                            });
                            panel.add((Component)glad);
                        } else {
                            @SuppressWarnings("serial")
                            final JTextArea c = new JTextArea("area "+i) {
                                boolean initialized = false, added = false;
                                int reshapeWidth=0, reshapeHeight=0;
                                @Override
                                public void addNotify() {
                                    added = true;
                                    super.addNotify();
                                }
                                @SuppressWarnings("deprecation")
                                @Override
                                public void reshape(int x, int y, int width, int height) {
                                    super.reshape(x, y, width, height);
                                    reshapeWidth = width; reshapeHeight = height;
                                }
                                @Override
                                protected void paintComponent(final Graphics g) {
                                    super.paintComponent(g);
                                    if( !initialized && added && reshapeWidth > 0 && reshapeHeight > 0 && isDisplayable() ) {
                                        initialized = true;
                                        initCount++;
                                    }
                                }
                            };
                            c.setEditable(false);
                            c.setSize(eSize);
                            c.setPreferredSize(eSize);
                            panel.add(c);
                        }
                        frame[i].getContentPane().add(panel);

                        // frame.validate();
                        frame[i].pack();
                    }
                    t[1] = Platform.currentTimeMillis();
                    for(int i=0; i<frameCount; i++) {
                        frame[i].setVisible(true);
                    }
                    t[2] = Platform.currentTimeMillis();
                } } );
        } catch( Throwable throwable ) {
            throwable.printStackTrace();
            Assume.assumeNoException( throwable );
        }
        final long t0 = System.currentTimeMillis();
        long t1 = t0;
        while( frameCount > initCount && INIT_TIMEOUT > t1 - t0 ) {
            try {
                Thread.sleep(100);
                System.err.println("Sleep initialized: "+initCount+"/"+frameCount);
            } catch (InterruptedException e1) {
                e1.printStackTrace();
            }
            t1 = System.currentTimeMillis();
        }
        t[3] = Platform.currentTimeMillis();
        final double panelCountF = initCount;
        System.err.printf("P: %d %s%s:%n\tctor\t%6d/t %6.2f/1%n\tvisible\t%6d/t %6.2f/1%n\tsum-i\t%6d/t %6.2f/1%n",
                initCount,
                useGLJPanel?"GLJPanel":(useGLCanvas?"GLCanvas":"No_GL"), initMT?" (mt)":" (01)",
                t[1]-t[0], (t[1]-t[0])/panelCountF,
                t[3]-t[1], (t[3]-t[1])/panelCountF,
                t[3]-t[0], (t[3]-t[0])/panelCountF);

        System.err.println("INIT END: "+initCount+"/"+frameCount);
        if( wait ) {
            UITestCase.waitForKey("Post-Init");
        }
        try {
            Thread.sleep(duration);
        } catch (InterruptedException e1) {
            e1.printStackTrace();
        }
        t[4] = Platform.currentTimeMillis();
        try {
            SwingUtilities.invokeAndWait(new Runnable() {
                    public void run() {
                        for(int i=0; i<frameCount; i++) {
                            frame[i].dispose();
                        }
                    } } );
        } catch (Exception e1) {
            e1.printStackTrace();
        }

        final long ti_net = (t[4]-t[0])-duration;
        System.err.printf("T: duration %d %d%n\ttotal-d\t%6d/t %6.2f/1%n\ttotal-i\t%6d/t %6.2f/1%n",
                duration, t[4]-t[3],
                t[4]-t[0], (t[4]-t[0])/panelCountF,
                ti_net, ti_net/panelCountF);
        System.err.println("Total: "+(t[4]-t[0]));
    }

    private GLAutoDrawable createGLCanvas(GLCapabilitiesImmutable caps, boolean useGears, GLAnimatorControl anim, Dimension size) {
        GLCanvas canvas = new GLCanvas(caps);
        canvas.setSize(size);
        canvas.setPreferredSize(size);
        if( useGears ) {
            final GearsES2 g = new GearsES2(0);
            g.setVerbose(false);
            canvas.addGLEventListener(g);
        }
        if( null != anim ) {
            anim.add(canvas);
        }
        return canvas;
    }
    private GLAutoDrawable createGLJPanel(boolean initMT, boolean useSwingDoubleBuffer, GLCapabilitiesImmutable caps, boolean useGears, boolean skipGLOrientationVerticalFlip, GLAnimatorControl anim, Dimension size) {
        GLJPanel canvas = new GLJPanel(caps);
        canvas.setSize(size);
        canvas.setPreferredSize(size);
        canvas.setDoubleBuffered(useSwingDoubleBuffer);
        if( skipGLOrientationVerticalFlip ) { // don't fiddle w/ default ..
            canvas.setSkipGLOrientationVerticalFlip(skipGLOrientationVerticalFlip);
        }
        if( useGears ) {
            final GearsES2 g = new GearsES2(0);
            g.setVerbose(false);
            g.setFlipVerticalInGLOrientation(skipGLOrientationVerticalFlip);
            canvas.addGLEventListener(g);
        }
        if( null != anim ) {
            anim.add(canvas);
        }
        if( initMT ) {
            canvas.initializeBackend(true /* offthread */);
        }
        return canvas;
    }

    static GLCapabilitiesImmutable caps = null;

    //
    // NOP
    //

    @Test
    public void test00NopNoGLDefGrid() throws InterruptedException, InvocationTargetException {
        test(new GLCapabilities(null), false /*useGears*/, false /*skipGLOrientationVerticalFlip*/, width , height, frameCount, false /* initMT */,
             false /* useGLJPanel */, false /*useSwingDoubleBuffer*/, false /* useGLCanvas */, false /*useAnim*/, false /* overlap */);
    }

    @Test
    public void test01NopGLCanvasDefGrid() throws InterruptedException, InvocationTargetException {
        test(new GLCapabilities(null), false /*useGears*/, false /*skipGLOrientationVerticalFlip*/, width , height, frameCount, false /* initMT */,
             false /* useGLJPanel */, false /*useSwingDoubleBuffer*/, true /* useGLCanvas */, false /*useAnim*/, false /* overlap */);
    }

    @Test
    public void test02NopGLJPanelDefGridSingleAutoFlip() throws InterruptedException, InvocationTargetException {
        test(new GLCapabilities(null), false /*useGears*/, false /*skipGLOrientationVerticalFlip*/, width , height, frameCount, false /* initMT */,
             true /* useGLJPanel */, false /*useSwingDoubleBuffer*/, false /* useGLCanvas */, false /*useAnim*/, false /* overlap */);
    }

    @Test
    public void test03NopGLJPanelDefGridSingleManualFlip() throws InterruptedException, InvocationTargetException {
        test(new GLCapabilities(null), false /*useGears*/, true /*skipGLOrientationVerticalFlip*/, width , height, frameCount, false /* initMT */,
             true /* useGLJPanel */, false /*useSwingDoubleBuffer*/, false /* useGLCanvas */, false /*useAnim*/, false /* overlap */);
    }

    @Test
    public void test04NopGLJPanelDefGridMTManualFlip() throws InterruptedException, InvocationTargetException {
        test(new GLCapabilities(null), false /*useGears*/, true /*skipGLOrientationVerticalFlip*/, width , height, frameCount, true  /* initMT */,
             true /* useGLJPanel */, false /*useSwingDoubleBuffer*/, false /* useGLCanvas */, false /*useAnim*/, false /* overlap */);
    }

    //
    // Gears
    //

    @Test
    public void test10GearsNoGLDefGrid() throws InterruptedException, InvocationTargetException {
        test(new GLCapabilities(null), true /*useGears*/, false /*skipGLOrientationVerticalFlip*/, width , height, frameCount, false /* initMT */,
             false /* useGLJPanel */, false /*useSwingDoubleBuffer*/, false /* useGLCanvas */, false /*useAnim*/, false /* overlap */);
    }

    @Test
    public void test11GearsGLCanvasDefGrid() throws InterruptedException, InvocationTargetException {
        test(new GLCapabilities(null), true /*useGears*/, false /*skipGLOrientationVerticalFlip*/, width , height, frameCount, false /* initMT */,
             false /* useGLJPanel */, false /*useSwingDoubleBuffer*/, true /* useGLCanvas */, false /*useAnim*/, false /* overlap */);
    }

    @Test
    public void test12GearsGLJPanelDefGridSingleAutoFlip() throws InterruptedException, InvocationTargetException {
        test(new GLCapabilities(null), true /*useGears*/, false /*skipGLOrientationVerticalFlip*/, width , height, frameCount, false /* initMT */,
             true /* useGLJPanel */, false /*useSwingDoubleBuffer*/, false /* useGLCanvas */, false /*useAnim*/, false /* overlap */);
    }

    @Test
    public void test13GearsGLJPanelDefGridSingleManualFlip() throws InterruptedException, InvocationTargetException {
        test(new GLCapabilities(null), true /*useGears*/, true /*skipGLOrientationVerticalFlip*/, width , height, frameCount, false /* initMT */,
             true /* useGLJPanel */, false /*useSwingDoubleBuffer*/, false /* useGLCanvas */, false /*useAnim*/, false /* overlap */);
    }

    @Test
    public void test14GearsGLJPanelDefGridMTManualFlip() throws InterruptedException, InvocationTargetException {
        test(new GLCapabilities(null), true /*useGears*/, true /*skipGLOrientationVerticalFlip*/, width , height, frameCount, true  /* initMT */,
             true /* useGLJPanel */, false /*useSwingDoubleBuffer*/, false /* useGLCanvas */, false /*useAnim*/, false /* overlap */);
    }


    //
    // Overlap + NOP
    //


    @Test
    public void test20NopNoGLDefOverlap() throws InterruptedException, InvocationTargetException {
        test(null, false /*useGears*/, false /*skipGLOrientationVerticalFlip*/, width , height, frameCount, false /* initMT */,
             false /* useGLJPanel */, false /*useSwingDoubleBuffer*/, false /* useGLCanvas */, false /*useAnim*/, true /* overlap */);
    }

    @Test
    public void test21NopGLCanvasDefOverlap() throws InterruptedException, InvocationTargetException {
        test(new GLCapabilities(null), false /*useGears*/, false /*skipGLOrientationVerticalFlip*/, width , height, frameCount, false /* initMT */,
             false /* useGLJPanel */, false /*useSwingDoubleBuffer*/, true /* useGLCanvas */, false /*useAnim*/, true /* overlap */);
    }

    @Test
    public void test22NopGLJPanelDefOverlapSingle() throws InterruptedException, InvocationTargetException {
        test(new GLCapabilities(null), false /*useGears*/, false /*skipGLOrientationVerticalFlip*/, width , height, frameCount, false /* initMT */,
             true /* useGLJPanel */, false /*useSwingDoubleBuffer*/, false /* useGLCanvas */, false /*useAnim*/, true /* overlap */);
    }

    @Test
    public void test23NopGLJPanelDefOverlapMT() throws InterruptedException, InvocationTargetException {
        test(new GLCapabilities(null), false /*useGears*/, false /*skipGLOrientationVerticalFlip*/, width , height, frameCount, true  /* initMT */,
             true /* useGLJPanel */, false /*useSwingDoubleBuffer*/, false /* useGLCanvas */, false /*useAnim*/, true /* overlap */);
    }

    // @Test
    public void testXXNopGLJPanelDefOverlapSingle() throws InterruptedException, InvocationTargetException {
        test(new GLCapabilities(null), false /*useGears*/, false /*skipGLOrientationVerticalFlip*/, width , height, frameCount, false /* initMT */,
             true /* useGLJPanel */, false /*useSwingDoubleBuffer*/, false /* useGLCanvas */, false /*useAnim*/, true /* overlap */);
    }

    // @Test
    public void testXXNopGLJPanelBitmapGridSingle() throws InterruptedException, InvocationTargetException {
        GLCapabilities caps = new GLCapabilities(null);
        caps.setBitmap(true);
        test(caps, false /*useGears*/, false /*skipGLOrientationVerticalFlip*/, width , height, frameCount, false /* initMT */,
             true /* useGLJPanel */, false /*useSwingDoubleBuffer*/, false /* useGLCanvas */, false /*useAnim*/, false);
    }

    static long duration = 0; // ms
    static boolean wait = false;
    static int width = 800, height = 600, frameCount = 25;

    volatile int initCount = 0;

    public static void main(String[] args) {
        boolean manual=false;
        boolean waitMain = false;
        boolean useGLJPanel = true, initMT = false, useGLCanvas = false, useSwingDoubleBuffer=false;
        boolean useGears = false, skipGLOrientationVerticalFlip=false, useAnim = false;
        boolean overlap = false;

        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("-width")) {
                width = MiscUtils.atoi(args[++i], width);
            } else if(args[i].equals("-height")) {
                height = MiscUtils.atoi(args[++i], height);
            } else if(args[i].equals("-count")) {
                frameCount = MiscUtils.atoi(args[++i], frameCount);
            } else if(args[i].equals("-initMT")) {
                initMT = true;
                manual = true;
            } else if(args[i].equals("-glcanvas")) {
                useGLJPanel = false;
                useGLCanvas = true;
                manual = true;
            } else if(args[i].equals("-swingDoubleBuffer")) {
                useSwingDoubleBuffer = true;
            } else if(args[i].equals("-glnone")) {
                useGLJPanel = false;
                useGLCanvas = false;
                manual = true;
            } else if(args[i].equals("-gears")) {
                useGears = true;
            } else if(args[i].equals("-anim")) {
                useAnim = true;
            } else if(args[i].equals("-userVertFlip")) {
                skipGLOrientationVerticalFlip = true;
            } else if(args[i].equals("-overlap")) {
                overlap = true;
            } else if(args[i].equals("-wait")) {
                wait = true;
                manual = true;
            } else if(args[i].equals("-waitMain")) {
                waitMain = true;
                manual = true;
            } else if(args[i].equals("-manual")) {
                manual = true;
            }
        }
        if( waitMain ) {
            UITestCase.waitForKey("Main-Start");
        }
        if( manual ) {
            GLProfile.initSingleton();
            TestPerf001GLJPanelInit02AWT demo = new TestPerf001GLJPanelInit02AWT();
            demo.test(null, useGears, skipGLOrientationVerticalFlip, width, height, frameCount,
                      initMT, useGLJPanel, useSwingDoubleBuffer, useGLCanvas, useAnim, overlap);
        } else {
            org.junit.runner.JUnitCore.main(TestPerf001GLJPanelInit02AWT.class.getName());
        }
    }

}
