/* MICHAEL D MCDANIEL
   MAT 259 Final Project
   
   get ready for some sloppy, ill-commented programming...
*/
   

import proxml.*;

XMLInOut inOut;

String subjects[];


PFont font;
PFont font20;
PFont font27;
PFont font35;
PFont fontBig;
int sIndex;
int sIndex2;
int sIndexM;
String subText = "";
String subText2 = "";
int[][] dataArray = new int[1001][310];
int idatei = 0;
int itimei = 1;
int classi = 2;
boolean flagLoading = false;
boolean flagParse = false;
boolean flagIndex = false;
boolean flagQ = true;
int daysi;
int[] arrayTemp = new int[310];

void setup() {
  size(1105,495);
  colorMode(HSB,10,100,100);
  inOut = new XMLInOut(this);
  subjects= loadStrings("deweySubjects.txt");
  font = loadFont("HelveticaNeue-Bold-12.vlw");
  font20 = loadFont("HelveticaNeue-Bold-20.vlw");
  font27 = loadFont("HelveticaNeue-Bold-27.vlw");
  font35 = loadFont("HelveticaNeue-Bold-35.vlw");
  fontBig = loadFont("HelveticaNeue-Bold-60.vlw");
  inOut.loadElement("/data/checkOut_Jan08.xml");
}


void xmlEvent(XMLElement element) {
  println("begin parsing");
  flagLoading = true;
  XMLElement[] days;
  XMLElement[] hours;
  XMLElement[] transactions;
  XMLElement d,h,t,v1;
  int i,j,k, numHours;
  if(element.hasChildren()) {
    days = element.getChildren();
    for(daysi=0; daysi<days.length; daysi++) {
      println("");
      print("day " + daysi );

      hours = days[daysi].getChildren();
      for(j=0; j< hours.length; j++) {
        if(j > 9 && j <20) {

          transactions = hours[j].getChildren();
          for(k=0; k<transactions.length; k++) {

            t = transactions[k];
            if(t.hasChildren()) {
              // these are check out!
              int deweyClassNumber = int(t.getChild(classi).firstChild().getText());           
              String cit = t.getChild(itimei).firstChild().getText();
              String[] cit_split = split(cit, ":");
              int checkInHou = int(cit_split[0]);
              String cid = t.getChild(idatei).firstChild().getText();
              String[] cid_split = split(cid, "-");
              int checkInDay = int(cid_split[2]);

              //if(checkInHou > 9 && checkInHou<20) 
              int transHour = ((checkInDay-1)*10)+(checkInHou%10);
              dataArray[deweyClassNumber][transHour]++;


            }
          }
        }
      }
    }
  }
  println("parsing complete");
  flagParse = true;
}

void draw() {

  smooth();

  if(!flagLoading) {
    background(0);
    textFont(font35);
    text("loading",width/2,height/2);
    textFont(font20);
    text("this may take a while",width/2,height/2+30);

  } 
  else if(flagLoading && !flagParse) {
    background(0);
    textFont(font35);
    text("parsing day " + daysi + " of 31",width/2,height/2+30);
    text("loading",width/2,height/2);


  } 
  else {
    background(0);
    //text("click",width/2,height/2);

    // title etc
    textAlign(LEFT);
    textFont(font20);
    fill(100,0,100);
    text("Dewey Items Checked Out Per Hour", 150,50);
    textFont(font);
    text("during normal operating hours - month of Janary 2008", 150,65);
    textAlign(RIGHT);
    //text("reset", width-50,50);
    //text("draw all", width-100,50);

    // draws color gradients
    for(int i=0; i<10; i++) {
      for(int j=0; j<100; j++) {
        stroke(i,j,100);
        line(j+25,i*30+100,j+25,i*30+125);
      }
      fill(0);
      textAlign(LEFT);
      textFont(font35);
      text(i+"00",24,i*30+127);
    }

    //draw scale bars
    for(int i=1; i<11; i++) {
      stroke(0,0,25);
      line(150,height-100-(50*log(i)+1),1080,height-100-(50*log(i)+1));
      line(150,height-100-(50*log(i*10)+1),1080,height-100-(50*log(i*10)+1));
      if(i<5) {
        line(150,height-100-(50*log(i*100)+1),1080,height-100-(50*log(i*100)+1));
      }
    }

    // draw day bars
    for(int i=0; i<31; i++) {
      if (i%2 == 0) {
        noStroke();
        fill(0,0,25);
        rect(150+(i*30),height-98,30,4);
      }
    }

    // draws lines + info text
    stroke(100,0,100);
    line(150,height-48,218,height-48); // date
    line(243,height-48,293,height-48); // time
    line(318,height-48,350,height-48); // number
    textFont(font);
    fill(100,0,100);
    text("date", 150, height-36);
    text("time", 243, height-36);
    text("nž", 318, height-36);

    // writes dewey subject
    fill(floor(sIndex/100),sIndex%100,100);
    textFont(font20);
    textAlign(RIGHT);
    text(subText,width-20,445);

    // fill temporary array
    for(int i=0; i<310; i++) {
      arrayTemp[i] = dataArray[sIndex][i];
    }

    // draw graph as you mouse over bars
    if ((mouseX >= 25) && (mouseX < 120) &&
      (mouseY > 100) && (mouseY < 395)
      ) {
      sIndexM = floor((mouseY-100)/30)*100+(mouseX-25)%100;
      noFill();
      stroke(floor(sIndexM/100),sIndexM%100,100);
      beginShape();
      for(int i=0; i<310; i++) {
        vertex(i*3+150,height-100-(50*log(dataArray[sIndexM][i]+1)));
      }
      endShape();

    } 

    // draws dewey graph
    //if (flagIndex) {
    smooth();
    stroke(floor(sIndex/100),sIndex%100,100);
    noFill();
    beginShape();
    for(int i=0; i<310; i++) {
      vertex(i*3+150,height-100-(50*log(dataArray[sIndex][i]+1)));
    }
    endShape();
    flagIndex = false;
    //}

    //draw second dewey graph if button pressed
    if (keyPressed) {
      stroke(floor(sIndex2/100),sIndex2%100,100);
      noFill();
      beginShape();
      for(int i=0; i<310; i++) {
        vertex(i*3+150,height-100-(50*log(dataArray[sIndex2][i]+1)));
      }
      endShape();
      fill(floor(sIndex2/100),sIndex2%100,100);
      textFont(font20);
      textAlign(RIGHT);
      text(subText2,width-20,465);
    }

    // draw vert line # display number
    if(mouseX >= 150 && mouseX < 1080 &&
      mouseY >= 100 && mouseY <= height-100) {
      //stroke(100,0,100);
      fill(100,0,100);
      //line(mouseX,100,mouseX,height-100);
      int eY = (mouseX-150)/3;
      ellipse(mouseX,height-100-(50*log(dataArray[sIndex][eY])+1),4,4);
      textFont(font20);
      textAlign(LEFT);
      fill(floor(sIndex/100),sIndex%100,100);

      // during normal hours of operation, month of january 2008
      text("JAN " + ((mouseX-150)%930/30+1),150,height-50); // date
      int timeText = (((mouseX-150)%30)/3+10);
      text(timeText + ":00",243,height-50); // time
      textAlign(RIGHT);
      text(dataArray[sIndex][eY],350,height-50); // number
    }


    getSubject();
  }
  //noLoop(); // if this is not here, numbers update, graph does not stay
}

void getSubject() {
  if ((mouseX >= 25) && (mouseX < 120) &&
    (mouseY > 100) && (mouseY < 395)
    ) {
    textFont(fontBig);
    textAlign(RIGHT);
    fill(100,0,100);
    text(floor((mouseY-100)/30)*100+(mouseX-25)%100, 125, 445);

  } 
  /*else {
   textFont(font27);
   textAlign(LEFT);
   fill(0,0,25);
   text("DEWEY",50,465);
   }*/
}

void mousePressed() {

  if ((mouseX >= 25) && (mouseX < 120) &&
    (mouseY > 100) && (mouseY < 395)
    ) {
    if(!keyPressed) {
      sIndex = floor((mouseY-100)/30)*100+(mouseX-25)%100;
      subText = subjects[sIndex];
      //flagQ = false;
    } 
    else if (keyPressed) {
      sIndex2 = floor((mouseY-100)/30)*100+(mouseX-25)%100;
      subText2 = subjects[sIndex2];
    }
    flagIndex = true;
    redraw(); // if this is not here, loading screen will not go away.
  }

}