import papaya.*;
import guicomponents.*;

Study aStudy;

PFont myfont, myboldfont;
PImage smallleft, smallup, smalldown, smallright;
PImage hyp0, hyp1, hyp2, hyp3, zu, zl, p1, p2, p3;

GCombo cb1, cb6;
GTextField tf2, tf3;

JakeButton leftarrow, rightarrow, ans;

String[] str1 = {
  "Yes", "No"
};
String[] str6 = {
  "Reject Ho", "Cannot reject Ho"
};

int page = 1, score;
float testu, testl, pu, pl, pvalue;

boolean[] answered = {
  false, false, false, false, false, false
};
String[] answers = {
  "", "", "", "", "", ""
};

float[] graphdata;
PGraphics pg;
int gwidth=160, gheight=80;
String feedback = "";

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(gwidth, gheight, P2D);

  cb1 = new GCombo(this, str1, 3, 80, 300, 50);
  cb6 = new GCombo(this, str6, 6, 80, 300, 150);
  tf2 = new GTextField(this, "", 200, 330, 100, 20, false);
  tf3 = new GTextField(this, "", 470, 330, 100, 20, false);

  PImage[] ansset = {loadImage("answerdark.jpg"),loadImage("answerlight.jpg")};
  ans = new JakeButton(200,430,ansset[1],ansset[0],ansset[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;
  }

  fill(255, 0, 0);
  text("Score: " + score + " / 60", 450, 460);

  if (answered[5])
    text("Final", 405, 460);
    
  leftarrow.updateButton();
  leftarrow.drawButton();
  
  if (leftarrow.clicked)
  {
    feedback = "";
    tf2.setText("");
    tf3.setText("");

    page--;

    if (answered[page-1])
      feedback = "You answered this question with " + answers[page-1];
  }
  
  rightarrow.updateButton();
  rightarrow.drawButton();
  
  if (rightarrow.clicked)
  {
    feedback = "";
    tf2.setText("");
    tf3.setText("");

    if (answered[page-1]) {
      page++;
    }
    else {
      feedback = "You have to answer this question before continuing.";
    }
    if (page>6) {
      page = 1;
      aStudy = new Study();
      score = 0;
      answered = new boolean[] {
        false, false, false, false, false, false
      };
    }

    if (answered[page-1])
      feedback = "You answered this question with " + answers[page-1];
  }
 
  ans.updateButton();
  ans.drawButton();
  if (ans.clicked)
  {
    if (!answered[page-1])
      response();
    else
      feedback = "You answered this question with " + answers[page-1];
  }
  
  
}