package initialconditions;

import java.lang.*;
import java.io.*;
import main.BetterTokenizer;
import main.Cell;
import main.GeneralInput;

/**
An initial condition class that sets a middle cell to one value and then the
cells immediately surrounding that middle cell to a second value.
<br>Input Parameters:
<br>Node<br>Value<br>SurroundValue<br>XPos<br>YPos<p>
*/
public class IncrementingACSC1 extends InitialCondition	{
/** Number of times to do a particular value before moving to next value */
	int				numTimesAtValue;
/** The number of increments between start and end values */
	int				numIncr;
/** The highest value given to a cell. Cells will be spaced uniformly from initValue to endValue */
	float			endValue;
	
	float			curValue = 0;
	int				numTimes = 0;
	
	public IncrementingACSC1()	{	}
	
	public IncrementingACSC1(String n, int num_times_at_value, int num_incr, float start_value, float end_value)	{
		node = n;
		numTimesAtValue = num_times_at_value;
		initValue = start_value;
		endValue = end_value;
		numIncr = num_incr;
		curValue = initValue;
	}
	
	public void setModel(Cell [] cells)	{
		int		x, y;
		try {
			if(numTimes == numTimesAtValue) {
				numTimes = 0;
				curValue += (endValue - initValue) / (numIncr - 1);
				if(curValue > endValue + 0.00000001) {
					curValue = initValue;
				}
			}
			for(x = 0; x < Cell.arrayWidth; x++) {
				for(y = 0; y < Cell.arrayHeight; y++) {
					Cell cell = cells[y * Cell.arrayWidth + x];
					cell.setInitialValue(node, curValue);
				}
			}
		} catch(Exception e)	{ System.out.println(e.toString()); return; }
	}

	protected void loadParameter(String info, BetterTokenizer tokenizer) throws Exception	{
		if(info.equals("EndValue")) {
			GeneralInput.nextToken(tokenizer);
			endValue = (float)tokenizer.nval;

			curValue = initValue;	// Should be somewhere else, but oh well
		}
		if(info.equals("NumTimesAtValue")) {
			GeneralInput.nextToken(tokenizer);
			numTimesAtValue = (int)tokenizer.nval;
		}
		if(info.equals("NumIncr")) {
			GeneralInput.nextToken(tokenizer);
			numIncr = (int)tokenizer.nval;
		}
		else super.loadParameter(info, tokenizer);
	}

	public void toString(PrintWriter pw, String indent) {
		super.toString(pw, indent);
		pw.println(indent + "&EndValue\t" + endValue);
		pw.println(indent + "&NumTimesAtValue\t" + numTimesAtValue);
		pw.println(indent + "&NumIncr\t" + numIncr);
	}
}