// Code from Visualizing Data, First Edition, Copyright 2008 Ben Fry.

import java.util.ArrayList;

class Item { 
  String title;
  String type;
  String subject1;
  float dewey;
  ArrayList<Integer> Years;
  ArrayList<Integer> Ckouts;
  ArrayList<Float> AvgDurs;
  float hue;
  int saturation;
  int brightness;
  float nodeRadius;

  float xPos;
  float yPos;
  float zPos;


  Item(String title, String type, String subject1, 
		  float dewey, float avgDur, int numCkouts, 
		  int year, float hue, float nodeRadius) {
    Years = new ArrayList<Integer>();
    Ckouts = new ArrayList<Integer>();
    AvgDurs = new ArrayList<Float>();
    this.title = title.trim();
    this.type = type;
    this.subject1 = subject1;
    this.dewey = dewey;
    this.Years.add(year);
    this.Ckouts.add(numCkouts);
    this.AvgDurs.add(avgDur);
    this.hue = hue;
    this.nodeRadius = nodeRadius;
  }

	public PVector calcNodeCoords(PVector stageCorner) {
		PVector position;
		int secondDigit = calcDig(2, dewey);
		int thirdDigit = calcDig(3, dewey);
		int numYearsInTop = this.Years.size();
		
		float x = stageCorner.x;
		if(stageCorner.x > 0){
			x = stageCorner.x - 15*secondDigit;
		}else if (stageCorner.x < 0){
			x = stageCorner.x + 15*secondDigit;
		}
		
		float y = stageCorner.y;
		if(stageCorner.y > 0){
			y = stageCorner.y - 15*thirdDigit;
		}else if (stageCorner.y < 0){
			y = stageCorner.y + 15*thirdDigit;
		}
		
		float z = stageCorner.z;
		if(stageCorner.z > 0){
			z = stageCorner.z - 30 - 50*numYearsInTop;
		}else if (stageCorner.z < 0){
			z = stageCorner.z + 30 + 50*(numYearsInTop-1);			
		}

		position = new PVector(x, y, z);

		//Check within bounds
		//--------------------
		//being over conservative here.... maxLen is the shortest distance 
		//from the center to one of the edges of the penta-cube 
//		float maxLen = Global.stageBounds*PApplet.cos(36);
//		float distance = PVector.dist(position, Global.stageCenter);
//		if(distance > maxLen) {
//			float diff = distance - maxLen;
//			PVector oppPos = PVector.mult(position, -1);
//			oppPos = PVector.mult(oppPos, ((float)0.35*(diff/distance)));
//			position.add(oppPos);
//		}
		return position;
	}
	
	int calcDig(int digPos, float dew){
		int digit = 0;
		if(digPos == 2){
			if(10 <= dew && dew < 100){
				int tenMultiple = ((int)(dew/10))*10;
				digit = (int)dew - tenMultiple;
			}
			else if(100 <= dew){
				int hundMultiple = ((int)(dew/100))*100;
				digit = ((int)dew - hundMultiple)/10;			
			}
		}
		else if(digPos == 3){
			if(0 <= dew && dew < 10){
				digit = (int)dew;
			}
			else if(10 <= dew && dew < 1000){
				int tenMultiple = ((int)(dew/10))*10;
				digit = (int)(dew - tenMultiple);
			}
		}
		return digit;
	}
}