import processing.serial.*;

import processing.sound.*;



//import sound files
SoundFile music;
SoundFile audio2;

// set the number of images you want to load;
int totalNumberOfImages = 10;

String imageFileName;

// array for storing images
PImage[] myImage = new PImage[totalNumberOfImages];

int currentImage = 0;
int nextImage = 1;
float myAlpha = 0;
float fadeChangeRate = .01;

Serial myPort;    // The serial port
String inString;  // Input string from serial port
int lf = 10;      // ASCII linefeed
float smoothVal = 0; // Stores the interploated (smoothed) value
float rawVal = 0; // Stores the current sensor value

PFont myFont;

void setup() {
  size(2560, 800);
  fullScreen(P2D, SPAN);
  frameRate(60);
  //fullScreen();
  myFont = createFont("AmericanTypewriter.ttc", 150);
  textFont(myFont);
  //music
  music = new SoundFile(this, "audio_1.mp3");
  audio2 = new SoundFile(this, "audio_2.mp3");
  music.loop();


  // List all the available serial ports:
  printArray(Serial.list());
  // Open the port you are using at the rate you want:
  // (Serial.list()[3] likely needs changing to the correct port from the list)
  myPort = new Serial(this, Serial.list()[2], 9600);
  //store incoming data in the buffer until there's a line break and then trigger serialEvent
  myPort.bufferUntil(lf);
  // using fullScreen() rather than size - press escape to exit fullscreen


  // load image files into array
  for (int i=0; i<totalNumberOfImages; i++) {
    imageFileName = "0"+ i+".jpg";
    myImage[i] = loadImage(imageFileName);
  }

  // This is not strictly necessary but might prove useful...
  // This line changes the usual range of RGBA values from 0-255, to 0-1
  // (This means black would be 0.0 and white would be 1.0)
  colorMode(RGB, 1);
}

void draw() {
  background(0);

  // background(0);
  // tint(1,1-myAlpha);

  text("received: " + inString, 10, 50);

  //the incoming arduino code is structured like this:
  //[triggerPin]:[value] –– e.g. 10:153
  //this means it will be relatively easy to differentiate values from multiple sensors if necessary

  //split the string apart, using the colon symbol as a separator
  String[] list = split(inString, ':');

  //assign newVal with the second part of the split string i.e. the sensor value
  rawVal = float(list[1]);
  //use smoothVal and lerp() to store the interpolated (smoothed) value
  //the higher the last value in lerp(), the quicker it moves towards the target value
  smoothVal =lerp(smoothVal, rawVal, 0.05);
  //display both rawVal and smoothVal values


  noTint();
  image(myImage[currentImage], 0, 0, 1280, 800);
  tint(1, myAlpha);
  image(myImage[nextImage], 0, 0, 1280, 800);
  myAlpha += fadeChangeRate;

  // once "nextImage" has faded in completely, update the images and reset myAlpha
  // (using %(modulo) as a simple way of keeping the
  // numbers cycling and not exceeding the image total)

  if (myAlpha >= 1) {
    myAlpha = 0;
    currentImage = (currentImage+1)%totalNumberOfImages;
    nextImage = (nextImage+1)%totalNumberOfImages;
  }
  fill(1);
  //stroke(1);
  noSmooth();
  textAlign(CENTER);
  textSize(150);

  //text(rawVal, 1920, 300);
  //text(smoothVal, 1920, 150);
  println(rawVal, smoothVal);


  if (smoothVal < 10 && !audio2.isPlaying()) {
    audio2.play();
  } else if (smoothVal < 50 && !music.isPlaying()) {
    // music.loop();
  }
  // if (audio2.isPlaying()) {
  if (smoothVal < 20) {
    text("Self Objectification is the product of my being", 1920, 300);
  } else if (smoothVal < 50) {
    text("I am Woman", 1920, 300);
  }
  else if (smoothVal < 100) {
    text("What are you?", 1920, 300);
  }
}

void serialEvent(Serial p) {
  inString = p.readString();
}