!7

!include early #1033506 // Compact Module Include Gazelle V

module GazelleV > DynPrintLogAndEnabled {

  /*switchable int x1;

  switchable int y1;

  switchable int w = screenWidth();

  switchable int h = screenHeight();*/

  switchable double maxFPS = 10;

  switchable int previewWidth = 200;

  switchable double statsEvery = 5;

  switchable volatile bool brokenMethod;

  int lookAtScreen;

  S previewMode;

  int gridRows = 20;

  bool scaleDownPreviewImage;

  int previewPosterization = 256;

  PersistableThrowable lastProcessingError;

  transient WithTimestamp<OKOrError<BufferedImage>> lastScreen;

  transient new Average screenShotTime;

  transient new Average iiTime;

  transient Timestamp loopStarted;

  transient Sleeping screenShotCountdown;

  transient long screenShotCountdownTotalSleepTime;

  //transient ImageSurface imageSurface;

  transient IIImageSurface imageSurface;

  transient Throwable currentProcessingError;

  transient JButton popDownButton;

  transient JComponent topControls;

  transient long screenShotsTaken;

  transient double fps;

  transient Compression ongoingCompression, completedCompression;

  transient S longTermCompressionProbability;

  transient S longTermCompressionScore;

  transient JComponent topControls2;

  transient JTabbedPane tabs;

  transient ThreadPool threadPool;

  // ping source for everything we do in the background, including

  // analyzing current screen.

  // normally limited to 50% of one core.

  transient PingSource backgroundPingSource;

  transient OnOffOscillator onOffOscillator;

  Rect area() {

    ret screenBounds(min(lookAtScreen, screenCount()-1));

  }

  class Compression {

    settable BufferedImage image;

    settable BWIntegralImage ii;

    CompressionSearch_AnyType search;

    int baseLineLength; // length of trivial compression

    GridCodec1 codec;

    double compressionPercentage;

    S score() {

      var submission = search?.bestSubmission();

      Int compressedSize = or(submission.compressedSize(), baseLineLength);

      compressionPercentage = doubleRatio(compressedSize, baseLineLength)*100;

      ret formatDouble(compressionPercentage, 3) + "%";

    }

    IProbabilisticScheduler scheduler() {

      ret search?.scheduler();

    }

    S probability() {

      var scheduler = scheduler();

      if (scheduler == null) ret "-";

      var prob = scheduler.lastExecutedProbability();

      ret formatDouble(prob, 3);

    }

    event compressionDone;

    run {

      int lHex = pixelCount(image)*8;

      baseLineLength = calculateLengthOfFunctionCall imageFromHex(lHex+2);

      print(+baseLineLength);

      codec = new GridCodec1(image);

      codec.rows = gridRows;

      search = codec.forward();

      //showImage(codec.renderCellsLinearly());

      thread "Gazelle Visual" {

        repeat 60 {

          stepForNSeconds(1, search);

          //print(stepCount := search.scheduler().stepCount());

          setFields(

            longTermCompressionProbability := probability(),

            longTermCompressionScore := score());

        }

        try {

          compressionDone();

          L<IJavaExpr> cellCompressions = codec.strat.codeForElements();

          //showText("Compression", lines(map shorten_str(cellCompressions)));

          /*S code = str(codec.winnerCode());

          S name = "Screenshot " + ymdMinusHMS();

          File f = makeFileNameUnique_beforeExtension(

            javaxDataDir("Compressed Screenshots/" + name + ".javax"));

          saveTextFile(f, code);

          printFileInfo(f);          

          saveGZTextFile(f = replaceExtension(f, ".jgz"), code);

          printFileInfo(f);*/

          /*

          print("Evaling " + nChars(code));

          //LL<Int> lol = cast dm_javaEval(code);

          BufferedImage restored = cast dm_javaEval(code);

          assertImagesIdentical(restored, image);

          print("Image restored!");

          dm_showImage("Restored from " + nChars(code), restored);

          */

        } catch e { printStackTrace(e); }

      }

    }

    void drawOverlay(ImageSurface is, Graphics2D g) pcall {

      codec.drawOverlay(is, g);

    }

    int gridCols() { ret widthForHeight(ii.getWidth(), ii.getHeight(), gridRows); }

  }

  start {

    if (threadPool == null) threadPool = maxThreadPool();

    backgroundPingSource = new PingSource(threadPool, "Background");

    onOffOscillator = new OnOffOscillator(backgroundPingSource);

    ownResource(onOffOscillator);

    onOffOscillator.start();

    componentFieldsToKeep = litset("tabs");

    dm_registerAs_direct gazelleV();

    dm_watchField enabled(r { if (enabled) dm_reload(); });

    // TODO: react to event sent by OS

    dm_doEvery(1.0, r {

      if (dm_moduleIsPoppedOut()) adjustUIForPoppedOutWindow();

    });

    print("Screen bounds: " + allScreenBounds());

    // We are making some UI elements even if the module is hidden

    // because that's easier.

    tabs = jtabs(

      "Log", super.visualize(),

      "Local Data", jcenteredlabel("TODO"));

    dm_doEvery(min(statsEvery, 10.0), statsEvery, r { if (enabled) printStats(); });

    loopStarted = tsNow();

    shootAndAnalyze();

  }

  void shootAndAnalyze {

    backgroundPingSource.do(r shootAndAnalyze_impl);

  }

  void shootAndAnalyze_impl enter {

    if (!enabled) ret;

    var targetTime = tsNow().plus(1.0/maxFPS);

    long time = nanoTime();

    try {

      lastScreen = withTimestamp(okOrError(-> screenshot(area())));

      ++screenShotsTaken;

      setField(fps := doubleRatio(screenShotsTaken, elapsedSeconds(loopStarted)));

      screenShotTime.add(nanosToSeconds(nanoTime()-time));

      time = nanoTime();

      ping();

      if (lastScreen->isOK()) {

        var img = lastScreen!!;

        var ii = BWIntegralImage(img);

        //var ii = BWIntegralImage_luminosity(lastScreen!!);

        iiTime.add(nanosToSeconds(nanoTime()-time));

        if (eq(previewMode, "showLatestGrabbed"))

          imageSurface?.setImage(ii, img);

        if (ongoingCompression == null)

          startCompression(ii);

      }

      cpuTotal();

      currentProcessingError = null;

    } catch print e {

      setField(lastProcessingError := currentProcessingError = e);

      //sleepSeconds(60); // errors in processing are no good

    }

    screenShotCountdown = sleeper().doLater(targetTime, r shootAndAnalyze);

    screenShotCountdownTotalSleepTime += screenShotCountdown.remainingMS();

  }

  void startCompression(BWIntegralImage ii) {

    if (ongoingCompression == null) {

      ping();

      ongoingCompression = new Compression()

        .image(lastScreen!!)

        .ii(ii);

      ongoingCompression.onCompressionDone(-> {

        completedCompression = ongoingCompression;

        ongoingCompression = null;

        IBWIntegralImage ii2 = completedCompression.ii;

        if (scaleDownPreviewImage) {

          ii2 = ScaledIBWIntegralImage(completedCompression.gridCols(), gridRows, ii2);

          ii2 = TruncatedIBWIntegralImage(ii2);

          if (previewPosterization < 256)

            imageSurface?.setImage(posterizeIBWImage(previewPosterization, ii2));

          else

            imageSurface?.setImage(ii2);

          imageSurface.setOverlay(null);

        } else {

          imageSurface?.setImage(completedCompression.ii, completedCompression.image);

          imageSurface.setOverlay(g -> completedCompression.drawOverlay(imageSurface, g));

        }

      });

      ongoingCompression.run();

    }

  }

  void printStats() { print(stats()); }

  S stats() {

    var screen = lastScreen?!;

    ret formatColonProperties_noNulls(

      "Monitored area", area(),

      "Error", screen?.getError(),

      "Last screenshot taken", lastScreen?.timeStamp(),

      "Average time to take a screenshot", screenShotTime,

      "Average time to make integral image", iiTime,

      "Capacity left in first core", percentRatioStrOneDigit(freeInCore()),

      "Total CPU used", cpuTotal(),

    );

  }

  S cpuTotal() {

    ret setFieldAndReturn(cpuTotal := percentRatioStrOneDigit((1-freeInCore())/numberOfCores()));

  }

  double freeInCore() {

    ret ratio(toSeconds(screenShotCountdownTotalSleepTime),

      elapsedSeconds(loopStarted));

  }

  replace jSection with jCenteredSection.  

  {}

  visualize {

    imageSurface = new IIImageSurface;

    setDoubleBuffered(imageSurface, true);

    imageSurface.noAlpha = true;

    var screenSelectors = jRadioButtons(

      countIteratorAsList(screenCount(),

        i -> "Screen " + (i+1)));

    selectRadioButton(screenSelectors, lookAtScreen);

    onRadioButtonChange(screenSelectors, i -> { setField(lookAtScreen := i); });

    ret hsplit(northAndCenterWithMargin(

      topControls = hgrid(

        jSection("FPS", dm_calculatedCenteredLabel(() -> iround(fps))),

        jSection("Compression", dm_centeredFieldLabel longTermCompressionScore()),

        jSection("Probability", dm_centeredFieldLabel longTermCompressionProbability()),

        jSection("CPU (" + numberOfCores() + ")", dm_centeredFieldLabel cpuTotal())

      ),

      tabs),

      northAndCenterWithMargin(

        topControls2 = /*jflowCenter*/ jPanel(new WrapLayout, listPlus(wideningListCast Component(buttonsInGroup(screenSelectors)),

          dm_spinnerWithLabel gridRows("Rows", 1, 500),

          dm_checkBox("Scale down", "scaleDownPreviewImage"),

          dm_spinnerWithLabel previewPosterization("Posterize", 2, 256)

        )),

        jscroll_center(imageSurface)));

  }

  BufferedImage lastScreenImage() { ret getVar(getVar(lastScreen)); }

  void adjustUIForPoppedOutWindow swing {

    if (popDownButton == null) {

      Window window = cast getWindow(dm_vis());

      var popBackInButton = findButton(window, "Pop Back In");

      var parent = getParent(popBackInButton);

      print(+parent);

      removeFromParent(parent); // hide controls

      popDownButton = jPopDownButton_noText(

        "Pop Back In", r { dm_popInModule(me()) },

        jCheckBoxMenuItem("Always On Top", isAlwaysOnTop(window),

          rEnter dm_toggleAlwaysOnTop),

      );

      addControl(popDownButton);      

    }

  }

  public bool useErrorHandling() { false; }

}