Table data;
PFont font;

//general
float center_x;
float center_y;
float centerCircleRad;
color bg = color(242,230,230);
color blue = color(13,66,81);
color grey = color(200);

//data
int total = 43289646;
int avg = 727688;
int max = 22111409;
int min = 1625;

//labels
int labelWidth = 300; //600 if arced around data circle
int labelHeight = 13;

void setup(){
 fullScreen(P3D);
 smooth(8);
 
 loadData("simpleData.csv");
  //font
  font = createFont("univers.ttf", 150); 
  textFont(font);
 
 center_x = width/2;
 center_y = height/2;
 centerCircleRad = sqrt(min);
}

void draw(){
  background(242,230,230);
  
  drawTitle();
  
  pushMatrix();{
    translate(center_x,center_y);
    scale(0.1);
    renderData(data);
  }popMatrix();
}

void loadData(String url){
 data = loadTable(url); 
}

void renderData(Table t) {
  
  int numResults = t.getRowCount();
  float increment = map((360.0/numResults),0,360,0,TWO_PI);
  
  //angle stuff
  float angle = 0;
  float x, y;
  int j = 0;
  int k = 0;
  int m = 0;
  
    for(int i = 0; i < numResults; i++){
            
      x = (centerCircleRad/2) * cos(angle);
      y = -((centerCircleRad/2) * sin(angle));
      
     TableRow row = t.getRow(i);
     
     //Country - str, name of country
     String country = row.getString(0);
     
     //Estimate - int, num of immigrants from this country in the USA
     //Range ~= 5000 - 50mil
     //float estimate = map(row.getInt(1), 1600, 23000000, 50, 500);
     float estimate = sqrt(row.getInt(1));
     
     //Error - sampling error on the estimate
     int error = row.getInt(2);
     float col = map(error, 670, 89000, 0, 100);


    //draw circle for this estimate
     stroke(140);
     noFill();
     pushMatrix();{
       translate(0,0,-1);
       //ellipse(0, 0, centerCircleRad + estimate * 2, centerCircleRad + estimate * 2);
     }popMatrix();
     
     //data lines  
     stroke(blue);
     strokeWeight(5);
     line(x, y, x + (estimate*cos(angle)), y - (estimate*sin(angle)));
     //text(row.getInt(1),  x + (estimate*cos(angle)), y - (estimate*sin(angle)));
          
     if(angle > PI*0.5 && angle <= PI*1.5){
       
       fill(blue);
       text(country, 
            -(center_x * 10) + (20 * 10),
            -(center_y * 10) + ((20 + (labelHeight * j)) * 10));
            noFill();
        stroke(grey);
          j++;
        
        //draw line under label
        line(-(center_x * 10) + (20 * 10),
             -(center_y * 10) + ((9 + (labelHeight * j)) * 10),
             -(center_x * 10) + (labelWidth * 10),
             -(center_y * 10) + ((9 + (labelHeight * j)) * 10));
             
         //draw line from data point
            line(x + (estimate*cos(angle)),
                  y - (estimate*sin(angle)),
                 x + (sqrt(max)*cos(angle)),
                 y - (sqrt(max)*sin(angle)));
       
       int curveFix = (80 * 10);
       
       //draw bezier to label
        float c1x,c1y,c2x,c2y; // bezier controlpoints
       c1x = -(center_x * 10) + (labelWidth * 10) + curveFix;
       c1y = y - (sqrt(max)*sin(angle));
       c2x = x + (sqrt(max)*cos(angle)) - curveFix;
       c2y = -(center_y * 10) + ((9 + (labelHeight * j)) * 10);
       
       //draw line to label
       bezier(x + (sqrt(max)*cos(angle)),y - (sqrt(max)*sin(angle)), //line from data point
              c1x,c1y,
              c2x,c2y,
              -(center_x * 10) + (labelWidth * 10), -(center_y * 10) + ((9 + (labelHeight * j)) * 10)); //line under label
              
     } else if(angle < PI*0.5){
       
       fill(blue);
       text(country, 
            (center_x * 10) - ((labelWidth) *10),
            (((-labelHeight * k)) * 10));
            noFill();
        stroke(grey);
          k++;
        
        //draw line under label
        line((center_x * 10) - (20 * 10),
             ((15 + (-labelHeight * k)) * 10),
             (center_x * 10) - (20 * 10) - ((labelWidth) * 10),
             ((15 + (-labelHeight * k)) * 10));
             
         //draw line from data point
         line(x + (estimate*cos(angle)),
              y - (estimate*sin(angle)),
              x + (sqrt(max)*cos(angle)),
              y - (sqrt(max)*sin(angle)));
       
       int curveFix = (100 * 10);
       
       //draw bezier to label
        float c1x,c1y,c2x,c2y; // bezier controlpoints
       c1x = (center_x * 10) - (20 * 10) - ((labelWidth) * 10) - curveFix; //line under label x
       c1y = y - (sqrt(max)*sin(angle)); // line from data point y
       c2x = x + (sqrt(max)*cos(angle)) + curveFix; // line from data point x
       c2y = ((15 + (-labelHeight * k)) * 10); //line under label y
       
       //draw line to label
       bezier(x + (sqrt(max)*cos(angle)),y - (sqrt(max)*sin(angle)), //line from data point
              c1x,c1y,
              c2x,c2y,
              (center_x * 10) - (20 * 10) - ((labelWidth) * 10), ((15 + (-labelHeight * k)) * 10)); //line under label
     } else {

       fill(blue);
       text(country, 
            (center_x * 10)- ((labelWidth) *10),
            (center_y * 10) -  (19 * 10) - (((labelHeight * m)) * 10));
        noFill();
        stroke(grey);
          m++;
        
        //draw line under label
        line((center_x * 10) - (20 * 10),
             (center_y * 10) - (3 * 10) - ((labelHeight * m) * 10),
             (center_x * 10) - (20 * 10) - ((labelWidth) * 10),
             (center_y * 10) - (3 * 10) - ((labelHeight * m) * 10));
             
         //draw line from data point
         line(x + (estimate*cos(angle)),
              y - (estimate*sin(angle)),
              x + (sqrt(max)*cos(angle)),
              y - (sqrt(max)*sin(angle)));
       
       int curveFix = (100 * 10);
       
       //draw bezier to label
        float c1x,c1y,c2x,c2y; // bezier controlpoints
       c1x = (center_x * 10) - (20 * 10) - ((labelWidth) * 10) - curveFix; //line under label x
       c1y = y - (sqrt(max)*sin(angle)); // line from data point y
       c2x = x + (sqrt(max)*cos(angle)) + curveFix; // line from data point x
       c2y = (center_y * 10) - (3 * 10) - ((labelHeight * m) * 10); //line under label y
       
       //draw line to label
       bezier(x + (sqrt(max)*cos(angle)),y - (sqrt(max)*sin(angle)), //line from data point
              c1x,c1y,
              c2x,c2y,
              (center_x * 10) - (20 * 10) - ((labelWidth) * 10), (center_y * 10) - (3 * 10) - ((labelHeight * m) * 10)); //line under label
       
       
     }
          
     angle += increment;
   }
}

void drawTitle(){
  fill(255);
 text("FOREIGN-BORN U.S.", 300, 200); 
 text("POPULATION", 300, 320);
 text("(2015)", 300, 450);
 fill(255);
}