//create variables
float  values[] = new float[152] ; //arrx
float  dates[] = new float[152] ; //arry
float  l1[] = new float[152] ; // l1 array
float  l2[] = new float[152] ;  // l2 array
String countries[] = new String[152]; // seitosa, versicolor, virginica
int xscaleFactor = 30;  // scale 
int yscaleFactor = 30;

float  colorArr[] = new float[152] ;
float  minColor = 10000.0, maxColor = -10000.0 ;
int  lim = 0 ;

String xAxis = "Sepal Width"; //set the x axis to sepal width
String yAxis = "Sepal Length"; //set the y axis to sepal length

int yData = 0;  // data on y axis
int xData = 1;  // data on x axis

//size of dots variables
int changeSize = 1;
float shapeSize;

void setup()
{
  size( 600, 600 );   // size of program 600x600px
  background( 255 );  // bg is white

 
  // read excel file and put into lines array
  String lines[] = loadStrings( "data.csv" );  

 //IAT355_Sample_Asst2.pde IAT355_Sample_Asst2.pde
  for (int i=0; i < 152  && i < lines.length ; i++ ) 
  {
    String[] numbers = split( lines[i], "," );  // split array after each comma
    for( int j = 0 ; j < numbers.length ; j++ )
    {
      //print(numbers[j] + ", " );
      if( j == 0 )
      {
        values[i] = float(numbers[j]);  // pass 1st column into values array
      }
      if( j == 1 )
      {
        dates[i] = float(numbers[j]); // pass 2nd column into dates array
      }
      if( j == 2 )
      {
        l1[i] = float(numbers[j]); // pass 3rd column into l1 array
        /*colorArr[i] = numbers[j] ;
        if( colorArr[i]  > maxColor )
          maxColor = colorArr[i] ;
        if( colorArr[i]  < minColor )
          minColor = colorArr[i] ;*/
      }
      if ( j == 3 )
      {
        l2[i] = float(numbers[j]);  // pass 4th column into l2 array
       //l1[i] = numbers[j] ;
      }
     if ( j == 4 )
       {
       countries[i] = numbers[j];  // pass 5th column into countries array
      }
         
    lim = i+1 ;
    println();
  }
  
  //println ( "Min, Max color = " + minColor + " , " + maxColor );
  }
  smooth();  // anti-aliases the pic so doesn't look pixelated

}

void draw()
{
  pushMatrix();  
  background(255); 
  translate(width/2-100, height/2+30);  //moves entire grid to a point
  for(int i = 0; i < 151; i++)
  { // send arrays to ScatterPlotPoint class 
    ScatterPlotPoint beh = new ScatterPlotPoint(dates[i], values[i], l2[i], l1[i], countries[i], xAxis, yAxis, changeSize, shapeSize);
    beh.getGraphData(0, 0, 290, 290); //grab graph data
    beh.plot(xscaleFactor, yscaleFactor);  //plot the points to scale
  }
  ScatterPlotAxis meh = new ScatterPlotAxis(0, 0, 290, 290, xAxis, yAxis); // send points to graph class

  fill(0); // black font
  //PFont font;  // load font
  //font = loadFont("Verdana-48.vlw");  // load Verdana font 
  //textFont(font, 14);                 // set font size to 14
  text ("value" + " vs. " + "date", 40, -280); // graph title according to buttons
 
  //automatic scaling
  float xMax = 10; //10 max axis marks
  float yMax = 10;
  float yInc = 28.5; //increments
  float xInc = 28.5;

  if(xAxis.equals("Sepal Width"))
  {
    xMax = 5;
    xInc = 28.5*2;  //scale sepal width on x axis by 2x
  }
  if(yAxis.equals("Sepal Width"))
  {
    yMax = 5;
    yInc = 28.5*2; //scale sepal width on y axis by 2x
  }  
  if(xAxis.equals("Petal Width"))
  {
    xMax = 3.33;
    xInc = 28.5*3; //scale petal width on x axis by 3x
  }
  if(yAxis.equals("Petal Width"))
  {
    yMax = 3.33;
    yInc = 28.5*3; //scale sepal width on y axis by 3x
  }  
  for(int i = 0; i <= yMax; i++ ){
    text(i, -30, -(i*yInc));      // make numbers for y axis 0-9
  }
  for(int i = 0; i <= xMax; i++ ){
    text(i, (i*xInc), 25);        // make numbers for x axis 1-9
  }
   
  //set titles for x and y axis
  pushMatrix(); 
  translate(-200,-170); 
  rotate(-PI/2);    //rotate y axis title by 90 degrees
  text(yAxis,-100,150);
  popMatrix();
  text(xAxis,100,50);
  
  // Legend Text
  text("Aus/USA", -100, 50);        // label Legend
  text("Brit/USA", -100, 75);        // dark colour and large
  text("Can/USA", -100, 100);   // dark colour and large
  text("Dutch/USA", -100, 125);    // dark colour and large
  text("Fren/USA", -100, 150);        // label Legend
  text("GRE/USA", -100, 175);        // dark colour and large
  text("JAP/USA", -100, 200);   // dark colour and large
  text("Swiss/USA", -100, 225);    // dark colour and large
  

  
  //text("x", 0,0);                // where 0,0 is for reference
  
  // Legend Dots
  fill(255, 82, 82);          
  ellipse(-120, 45, 20, 20);   
  
  fill(195, 18, 198);       
  ellipse(-120, 70, 20, 20);    
  
  fill(71, 25, 227);      
  ellipse(-120, 95, 20, 20);   
  
  fill(9, 207, 227);          
  ellipse(-120, 120, 20, 20);    
  
  fill(15, 170, 58);       
  ellipse(-120, 145, 20, 20);    
  
  fill(232, 221, 0);      
  ellipse(-120, 170, 20, 20);   
  
  fill(100, 27, 24);          
  ellipse(-120, 195, 20, 20);    
  
  fill(183, 70, 114);          
  ellipse(-120, 220, 20, 20);    
  

  
  
  meh.drawGraph();  // draw the graph
  popMatrix();      //clear previous matrix
}