// Get number of results from Google Search
//Variables for first amoeba
float x1[] = new float[2000];  //x positions of amoeba circumference
float y1[] = new float[2000];  //y positions of amoeba circumference
float r1[] = new float[2000];  //radius variant variable of the amoeba

float radius1 = 50;        //Overall radius of the amoeba
float amplitude1 = 15;          //Amplitude of amoeba variation - set as function of radius
float resolution1 = 0.1;         //Resolution of wobble - set as a function of radius

int count1;

//Variable for second amoeba
float x2[] = new float[2000];  //x positions of amoeba circumference
float y2[] = new float[2000];  //y positions of amoeba circumference
float r2[] = new float[2000];  //radius variant variable of the amoeba

float radius2 = radius1;        //Overall radius of the amoeba
float amplitude2 = amplitude1;          //Amplitude of amoeba variation - set as function of radius
float resolution2 = resolution1;         //Resolution of wobble - set as a function of radius

int count2;

int screenW = 400;
int screenH = 400; 

//Text variables
PFont  f;

String resultString = "";  //results from Google
String nameString = "";    //name typed in
String name1 = "";         //fist name
String name2 = "";         //second name
int numHits1 = 0;          //humber of hits for the first name
int numHits2 = 0;          //humber of hits for the second name

boolean go = false;        //flag to do display results or not

void setup()
{
  size(screenW,screenH);
  f = loadFont("CourierNew36.vlw");
  frameRate(30);
  smooth();

  //Initialize first amoeba
  int i1 = 0;

  for (float theta = -PI; theta <= PI; theta = theta + resolution1)
  {
    r1[i1] = radius1 + sin(i1)* amplitude1;
    x1[i1] = cos(theta) * r1[i1];
    y1[i1] = sin(theta) * r1[i1];
    i1++;
  }

  count1 = i1;

  //Initialize second amoeba

  int i2 = 0;

  for (float theta = -PI; theta <= PI; theta = theta + resolution2)
  {
    r2[i2] = radius2 + sin(i2)* amplitude2;
    x2[i2] = cos(theta) * r2[i2];
    y2[i2] = sin(theta) * r2[i2];
    i2++;
  }

  count2 = i2;
}

void draw()
{
  background(100);
  noStroke();

  textFont(f,14);
  fill(255);

  //Instructions
  if (go == false)
  {
    text("Type in 2 names separated by a comma!!", 10, 30);  

    //Input box
    fill(190);
    rect(10, 60, 300, 20);
    fill(0);
    text(nameString, 14, 65, 298, 20);
  }
  else if (go == true)
  {
    //Displays
    textFont(f,20);
    fill(0,0,255);
    text("Backspace to start over", 50, 40);
    text(name1, 30, 80);
    text(name2, 230, 80);

    //println("radius1 = " + radius1 + " radius2 = " + radius2);

    //Draw Amoebas

    //Draw first amoeba
    fill(229,59,45);
    beginShape();
    for (int i = 0; i < count1; i++)
    {
      vertex(100 + x1[i]*(1+radius1/(radius1+radius2)) + random(0,10), 270 + y1[i]*(1+radius1/(radius1+radius2)) + random(0,10));
    }
    endShape(CLOSE);

    //Draw second amoeba
    fill(100,100,237);
    beginShape();
    for (int i = 0; i < count2; i++)
    {
      vertex(300 + x2[i]*(1+radius2/(radius1+radius2)) + random(0,10), 270 + y2[i]*(1+radius2/(radius1+radius2)) + random(0,10));
    }
    endShape(CLOSE);
  }

}

// User keyboard input
void keyPressed() 
{
  //Get string size
  int len = nameString.length();
  int comma = nameString.indexOf(",");

  if (key == '\n') //if return is pressed, save the string and return a message
  {      
    go = true; 
    //Extract names
    if (comma == -1) //if no comma, set it to length and ignore name2
    {
      comma = len;
      name1 = nameString.substring(0, comma);
      name2 = "George Bush";

      radius1 = doSearch(name1);
      radius2 = doSearch(name2);
    }    
    else
    {
      name1 = nameString.substring(0, comma);
      name2 = nameString.substring(comma + 2, len);    

      //Do the search
      radius1 = doSearch(name1);
      radius2 = doSearch(name2);

    }
  } 
  else if (keyCode == BACKSPACE) //backspace clears entered text or restarts
  {    
    if (go == true) //if results are being shown, reset string
    {
      nameString = "";
      go = false;
    }
    else
    {
      nameString = nameString.substring(0, len - 1);
    }
  }
  else if (keyCode == SHIFT) {
    nameString = nameString;    //correction for shift key problem
  }
  else {
    nameString = nameString + key;    //otherwise (aka normally), print the user's entry back to the screen
  }
}

int doSearch(String Name)
{
  int a;

  Name = Name.replaceAll(" ","+");

  //Get data from google search
  String[] source = loadStrings("http://itp.nyu.edu/icm/proxy/proxy.php?url=http://www.google.com/search?q=%22" + Name + "%22");
  String sourceLines = join(source, " ");

  //Strings to search between
  String startSearchText = "</b> of about <b>";
  String endSearchText = "</b> for <b>";
  int start = sourceLines.indexOf(startSearchText) +  startSearchText.length();
  int end = sourceLines.indexOf(endSearchText,start);

  if (start == -1 || end == -1){
    start = 0;
  }

  String resultTemp = sourceLines.substring(start,end);
  String resultTemp2 = resultTemp.replaceAll(",","");
  String resultTemp3 = trim(resultTemp2);

  a = int(resultTemp3);
  
  println("Name = " + Name + " a = " + a);
  return a;
}