/**
 * 
 * Doing some stuff with video.  
 */
import hypermedia.video.*;
import java.awt.Rectangle;
import de.bezier.data.sql.*;
import java.util.Collections;
import java.util.Random;
import processing.video.*;

//Movie myMovie;
SteppedMovie myMovie;

Gaggle agents;

// ---- face tracking stuff ----
PImage img;
PImage frameimg;
PFont font;

int filenum=257;
int facenum=0;
int frame=0;
int id=0;

int startframe=67423;

float moviepos=519.8;
float lasttime=0;
boolean newframe=false;

// ---- interactivity ---- //
// timing
int last=0;
boolean paused=false;

//String DETECTION_CASCADE=OpenCV.CASCADE_FRONTALFACE_DEFAULT;
String DETECTION_CASCADE=OpenCV.CASCADE_FRONTALFACE_ALT_TREE;
//String DETECTION_CASCADE=OpenCV.CASCADE_PROFILEFACE;

String inpath="/Volumes/Reservoir/Assets/Video";
String fname="abby gas station";
String outpath="/Users/rtwomey/Desktop/"+fname+"_"+DETECTION_CASCADE;


void setup() {
  //size(1280, 720, P2D);
  size(screen.width, screen.height);

  background(0);

  strokeWeight(2);
  noFill();

  // Font and text drawing setup
  font = loadFont("HelveticaNeue-48.vlw");
  textAlign(LEFT);
  //  textAlign(CENTER,CENTER);
  rectMode(CORNER);
  fill(255);
  textFont(font, 24);

  // Load and play the video in a loop
  //  myMovie = new Movie(this, "/Volumes/Reservoir/Assets/Video/twomeymovie/Untitled10.mov");
  //  myMovie.loop();
  //  myMovie.read();
  //  myMovie.jump(moviepos);
  //  myMovie.speed(0.05);

  println("opening file "+savePath(inpath+"/"+fname));
  try {
    myMovie = new SteppedMovie(this, savePath(inpath+"/"+fname));
  } finally {
    println("couldn't open");
  };
  
  myMovie.precalcFrameTimes();
  myMovie.read();
  println(myMovie.getFrameCount());
  myMovie.gotoFrameNumber(startframe);
  //  myMovie.loop();
  //  myMovie.jump(moviepos);
  //  myMovie.speed(0.05);

  // debug
  println(myMovie.width);
  println(myMovie.height);

  agents = new Gaggle(this, myMovie.width, myMovie.height );

  last=-1000;
  //initializeAvg();
}


void doFaceTracking() {
  frame++;
  myMovie.loadPixels();
  frameimg = new PImage(myMovie.width, myMovie.height, RGB);

  arraycopy(myMovie.pixels, frameimg.pixels);
  frameimg.updatePixels();

  int count = agents.checkframe(frameimg);

  if(count>0) {
    println("time: "+str(myMovie.time())+", "+count+" faces");
  } 
  else {
    println("  no faces in frame.");
  }
}


void movieEvent(Movie myMovie) {
  //  if(!paused) {
  //    lasttime=myMovie.time();
  //    myMovie.read();
  //    newframe=true;
  //  }
}


void draw() {
  if((!paused)) {
    // erase image and put curr video frame
    myMovie.read();
    myMovie.stepForward();
    if(myMovie.done()) {
      exit();
    } 
    else {
      background(0);
      image(myMovie, 0, 0);
      fill(64, 64, 64);
      text(myMovie.time()+" s\n"+myMovie.getCurrentFrameNumber()+"\n"+myMovie.getFrameCount()+" frames\n"+DETECTION_CASCADE, 50, myMovie.height+50);
      noFill();
      doFaceTracking();
      newframe=false;
    } 

    agents.relax();
  }
}

void saveSnapShot() {
  //myMovie.save(savePath("/Users/rtwomey/Desktop/images/"+vidName));
  save("snapshot_"+str(myMovie.time()));
}

void mousePressed() {
  int fnum=round(float(mouseX)/float(width)*myMovie.getFrameCount());
  println("jumping to frame "+fnum);
  myMovie.gotoFrameNumber(fnum);
}

void keyPressed() {
  if(key==' ')
    paused = (paused == true) ? false : true;
  if(key=='s')
    saveSnapShot();
}

public void stop() {
  agents.stop();
  super.stop();
}