import papaya.*;

Study aStudy;

PFont myfont, myboldfont;
PImage smallleft, smallup, smalldown, smallright;
PImage ce, hyp0, hyp1, hyp2, hyp3, test1, test2, test3;

JakeButton leftarrow, rightarrow, bg, bl, bd;

int page = 1, rel;
float testvalue, zvalue, tcomp, p;

float[] graphdata;
PGraphics pg;

void setup()
{
  size(700, 500);
  smooth();
  loadData();

  aStudy = new Study();

  graphdata = new float[101];
  for (int i = 0; i < 101; i++) {
    float x = -3.0 + 0.06*i;
    graphdata[i] = exp(-x*x/2)/sqrt(2*PI);
  }
  pg = createGraphics(500, 200, P2D);

  PImage[] imagesetgreater ={loadImage("greaterthandark.jpg"),loadImage("greaterthanlight.jpg")};
  bg = new JakeButton(60,70,imagesetgreater[1],imagesetgreater[0],imagesetgreater[0]);  
  
  PImage[] imagesetless ={loadImage("lessthandark.jpg"),loadImage("lessthanlight.jpg")};
  bl = new JakeButton(60,120,imagesetless[1],imagesetless[0],imagesetless[0]);  

  PImage[] imagesetdifferent ={loadImage("differentfromdark.jpg"),loadImage("differentfromlight.jpg")};
  bd = new JakeButton(60,170,imagesetdifferent[1],imagesetdifferent[0],imagesetdifferent[0]);  

  PImage[] lefts = {loadImage("leftblue.jpg"), loadImage("leftpurple.jpg")};
  leftarrow = new JakeButton(30,415,lefts[1],lefts[0],lefts[0]);

  PImage[] rights = {loadImage("rightblue.jpg"), loadImage("rightpurple.jpg")};
  rightarrow = new JakeButton(615,415,rights[1],rights[0],rights[0]);  
}

void draw()
{
  background(255);
  fill(0);

  generateProblem();

  switch(page) {
  case 1:
    page1();
    break;
  case 2:
    page2();
    break;
  case 3:
    page3();
    break;
  case 4:
    page4();
    break;
  case 5:
    page5();
    break;
  case 6:
    page6();
    break;
  case 7:
    page7();
    break;
  case 8:
    page8();
    break;
  }
  
  leftarrow.updateButton();
  leftarrow.drawButton();
  
  if(leftarrow.clicked)
  {
    page--;
  }
  
  rightarrow.updateButton();
  rightarrow.drawButton();
  
  if (rightarrow.clicked)
  {
    page++;
    if (page>8) 
    {
      page=1;
      aStudy = new Study();
    }
  }
  
  bg.updateButton();
  bg.drawButton();
  
  if (bg.clicked) rel=0;

  bl.updateButton();
  bl.drawButton();
  
  if (bl.clicked) rel=1;

  bd.updateButton();
  bd.drawButton();
  
  if (bd.clicked) rel=2;
}