//Christian Tirella
//Brian Sweeney
//CSU670 Project

import java.util.ArrayList;

public class TruthTable {
	
	/*				Commented out after we switched from array list to truthrow
	ArrayList <Integer> one 				= new ArrayList <Integer> (3);
	ArrayList <Integer> two					= new ArrayList <Integer> (3);
	ArrayList <Integer> four				= new ArrayList <Integer> (3);
	ArrayList <Integer> eight				= new ArrayList <Integer> (3);
	ArrayList <Integer> sixteen				= new ArrayList <Integer> (3);
	ArrayList <Integer> thirtyTwo			= new ArrayList <Integer> (3);
	ArrayList <Integer> sixtyFour			= new ArrayList <Integer> (3);
	ArrayList <Integer> oneTwentyEight		= new ArrayList <Integer> (3);
	*/
	
	//one arraylist for each row of the truth table
	TruthRow one;
	TruthRow two;
	TruthRow four;
	TruthRow eight;
	TruthRow sixteen;
	TruthRow thirtyTwo;
	TruthRow sixtyFour;
	TruthRow oneTwentyEight;
	
	//builds truth table
	public TruthTable () {
		
		/*				Commented out after we switched from array list to truthrow
		one.add(new Integer(0));			one.add(new Integer(0));			one.add(new Integer(0));
		two.add(new Integer(0));			two.add(new Integer(0));			two.add(new Integer(1));
		four.add(new Integer(0));			four.add(new Integer(1));			four.add(new Integer(0));
		eight.add(new Integer(0)); 			eight.add(new Integer(1));			eight.add(new Integer(1));
		sixteen.add(new Integer(1));		sixteen.add(new Integer(0));		sixteen.add(new Integer(0));
		thirtyTwo.add(new Integer(1));		thirtyTwo.add(new Integer(0));		thirtyTwo.add(new Integer(1));
		sixtyFour.add(new Integer(1));		sixtyFour.add(new Integer(1));		sixtyFour.add(new Integer(0));
		oneTwentyEight.add(new Integer(1));	oneTwentyEight.add(new Integer(1));	oneTwentyEight.add(new Integer(1));
		*/
		
		this.one 				= new TruthRow (0,0,0);
		this.two 				= new TruthRow (0,0,1);
		this.four				= new TruthRow (0,1,0);
		this.eight 				= new TruthRow (0,1,1);
		this.sixteen 			= new TruthRow (1,0,0);
		this.thirtyTwo 			= new TruthRow (1,0,1);
		this.sixtyFour 			= new TruthRow (1,1,0);
		this.oneTwentyEight 	= new TruthRow (1,1,1);
		
	}
	
	//returns the rows from the truth table which
	//correspond to the relation idicated by the int relationID
	public RelationTable getRelationTable(int relationID) {
		
		RelationTable relationTable = new RelationTable(new ArrayList<TruthRow>());
		
		//Validate Input
		if (relationID >= 256) {
			System.out.println("Relation ID should be [0-255].  Relation ID was "
					+ relationID
					+ ".  Relation Table will be malformed.  Check input and run again.");
		}
		
		//Uses algorithm to return rows which correspond to binary representation of relation ID
		if (relationID >= 128) {
			relationTable.add(oneTwentyEight);
			relationID = relationID - 128;
			System.out.println("Row 128 added to Relation Table.");
		}
		if (relationID >= 64) {
			relationTable.add(sixtyFour);
			relationID = relationID - 64;
			System.out.println("Row 64 added to Relation Table.");
		}
		if (relationID >= 32) {
			relationTable.add(thirtyTwo);
			relationID = relationID - 32;
			System.out.println("Row 32 added to Relation Table.");
		}
		if (relationID >= 16) {
			relationTable.add(sixteen);
			relationID = relationID - 16;
			System.out.println("Row 16 added to Relation Table.");
		}
		if (relationID >= 8) {
			relationTable.add(eight);
			relationID = relationID - 8;
			System.out.println("Row 8 added to Relation Table.");
		}
		if (relationID >= 4) {
			relationTable.add(four);
			relationID = relationID - 4;
			System.out.println("Row 4 added to Relation Table.");
		}
		if (relationID >= 2) {
			relationTable.add(two);
			relationID = relationID - 2;
			System.out.println("Row 2 added to Relation Table.");
		}
		if (relationID == 1) {
			relationTable.add(one);
			relationID = relationID - 1;
			System.out.println("Row 1 added to Relation Table.");
		}
		if (relationID == 0) {
			System.out.println("Table sucessfully built...");
		}
		if (relationID != 0) {
			System.out.println("Table unsucessfully built...");
		}
		return relationTable;
	}	
}