import com.hamoid.*;

VideoExport videoExport;
XML root, channel, item, description, title;
XML[] items;
String[][] sources;
PImage img;
int c, edge;
PFont font;
boolean recording = true;

void setup() {
  size(1080, 720);
  font = loadFont("Athelas-BoldItalic-48.vlw");
  textFont(font);
  edge = width/10;
  c=0;
  importSources();
  img=loadImage(sources[c][0]);
  videoExport = new VideoExport(this, "basic.mp4");
}

void draw() {
  background(20);
  noStroke();
  fill(255);
  text(sources[c][1], edge, 100);
  for (int x=edge; x<width-edge; x++) {
    int y = frameCount%height;
    int px = (int) map(x, edge, width-edge, 0, img.width);
    int py = (int) map(y, 0, height, 0, img.height);
    float br = brightness(img.get(px, py));
    // f = img.get(px, py);
    float f = map(br, 0, 255, 20, 255);
    float sz = map(br, 0, 255, 0, height/2);
    fill(f);
    rectMode(CENTER);
    rect(x, height/2, 1, sz);
  }

  if (frameCount%400==0) {
    background(20);
    for (int i=0; i<15; i++) {
      videoExport.saveFrame();
    }
    c++;
    img=loadImage(sources[c][0]);
  }

  if (recording && frameCount%2==0) videoExport.saveFrame();
}

void importSources() {
  root = loadXML("https://www.pinterest.com/xeronimo/famous-people-monochrome.rss");
  //root = loadXML("https://www.pinterest.com/xeronimo/as-far-as-the-eye-can-see.rss");
  channel = root.getChild("channel");
  items = channel.getChildren("item");
  sources = new String[items.length][2];
  for (int i=0; i<items.length; i++) {
    description = items[i].getChild("description");
    title = items[i].getChild("title");
    String d = description.getContent();
    String name = title.getContent();
    String start = "https://";
    String end = ".jpg";
    int indexStart = d.indexOf(start);
    int indexEnd = d.indexOf(end);
    String descr = d.substring(indexStart, indexEnd+4);
    sources[i][0] = descr;
    sources[i][1] = name;
  }
}

void keyPressed() {
  recording = false;
  println(recording);
}