import java.util.*;

// function to read the parsed txt file and use it
// to extract the checkout time information

Date [] CkoutDates;
Date [] CkinDates;
int [] Category;
long [] Differences;
float plotX1, plotY1;
float plotX2, plotY2;
float labelX, labelY;
long MaxTime=0;
int [] TransCat ={0,0,0,0,0,0,0,0,0,0,0};
String[] DeweyNumbers = {"000","100","200","300","400","500","600","700","800","900","No Dewey"};
PFont font;

void setup()
{
  size(800,600);
  String lines[] = loadStrings("splxmlTIMES2010-10-29.txt");
  font = loadFont("UniversLTStd-Cn-14.vlw"); 
  CkoutDates = new Date[lines.length];
  CkinDates = new Date[lines.length];
  Category = new int[lines.length];
  Differences = new long [lines.length];
  //// going line by line
  for (int i=0; i < lines.length; i++){
     String[] ParseList = split(lines[i],',');
     int TheYear = int(ParseList[0].substring(0,4));
     int TheMonth = int(ParseList[0].substring(5,7));
     int TheDay = int(ParseList[0].substring(8,10));
     int TheHour = int(ParseList[1].substring(0,2));
     int TheMinute = int(ParseList[1].substring(3,5));
     CkoutDates[i] = new Date(TheYear,TheMonth,TheDay,TheHour,TheMinute);
     TheYear = int(ParseList[2].substring(0,4));
     TheMonth = int(ParseList[2].substring(5,7));
     TheDay = int(ParseList[2].substring(8,10));
     TheHour = int(ParseList[3].substring(0,2));
     TheMinute = int(ParseList[3].substring(3,5));
     CkinDates[i] = new Date(TheYear,TheMonth,TheDay,TheHour,TheMinute);
     Differences[i] = (CkinDates[i].getTime()-CkoutDates[i].getTime());
  //   if (CkoutDates[i].getYear()!=1970){
       if (Differences[i] >MaxTime){
          MaxTime = Differences[i];
          println(MaxTime/(1000*60*60*24)  + "  " + CkoutDates[i].getYear() + "   " +CkoutDates[i] + "  "+ CkinDates[i]);
      }
    // }
     if(ParseList[4].length()==0){
       Category[i]=10;
       
     }
     else{
      Category[i]= int(ParseList[4].substring(0,1));
     }
     
     TransCat[Category[i]]++;
     // println (CkoutDates[i] + "  " + CkinDates[i] + "  " + Category[i]);

  }

  plotX1 = 160; 
  plotX2 = width - 30;
  labelX = 20;
  plotY1 = 30;
  plotY2 = height - 40;
  labelY = height - 20;
  
}

void draw(){

  drawScatter();

}

void drawScatter(){
  float PointX;
  float PointY;
  background(255);
  stroke(120);
  fill(128,128,128,190);
  int MaxCat =0;
  // Finding the Category with more transaction
  for(int c=0; c < 11;c++){
    if (TransCat[c] > MaxCat){
       MaxCat = TransCat[c];
    }
  
  }

for (int t=0; t<Differences.length; t++){

 // if (CkoutDates[t].getYear()!=1970){
  PointX = map(Differences[t],0,MaxTime,plotX1,plotX2);
  PointY = map(Category[t],0,12,plotY1,plotY2);
  float ElliSize = map (TransCat[Category[t]],0,MaxCat,10,60);
  ellipse(PointX,PointY,ElliSize,ElliSize);
 // }

}

// Labeling
 textFont(font); 
 fill(128);
 // vertical labels
 textAlign(RIGHT,CENTER);
 for(int c=0; c < 11;c++){
  PointY = map(c,0,12,plotY1,plotY2);
  PointX = plotX1-80;
  text(DeweyNumbers[c],PointX,PointY);
  }
// Horizontal labels
 textAlign(CENTER,CENTER);
float Hside = (plotX2-plotX1);
  for(int hl =0; hl<= 10 ; hl++){
    PointY = plotY2;
    PointX = map(hl,0,10,plotX1,plotX2);
    text((hl*int(MaxTime/(1000*60*60*24))/10),PointX,PointY);

  }

}

//
//
//for (int k=0;k<24;k++){
//  String Outmess = "";
//    for (int q=0;q<10;q++){
//       Outmess+= aDay[k][q] + "  ";
//    }
//  println(Outmess);    
//}