package com.ericsson.tic.vi;

/**
 * Defines a set of data points.
 * 
 * @author	Sami Matilainen
 * @version 1.0 (2008-12-04)
 */
public class Data {
	
	/** Set nodes. Default set. */
	public static final int SET_NODES = 1;
	
	/** Set relations. */
	public static final int SET_REL = 2;
	
	///** Set regions. */
	// public final int SET_REGION = 3;
	
	/** The id of this data. */
	public int id;
	
	/** The set which this data belongs to. */
	public int set;
	
	/** How many dimension the data has besides Node/Rel x Category. */
	public int dimension;
	
	/** The type of node which this data is tied to. 
	nodeType.id = 0 is reserved for all nodes. */
	public NodeType nodeType;
	
	/** Determines which parsing strategy to use in Parser.java. */
	public int parseStrat;
	
	/** The category set this data belongs to. */
	public Category category;
	
	/** The name of this data. */
	public String name;
	
	/** The assumed max value for this data. */
	public float max;
	
	/** The assumed min value for this data. */
	public float min;
	
	/** The name used to identify this data in the indata. */
	public String parseName;
	
	/** max - min */
	private float maxMinusMin;
	
	/** A set of values. */
	public float[][][] value;
	
	/** A set of timestamps. */
	public long[][] timeStamp;
	
	/** A set of normalized values. */
	public float[][][] vn;
	
	/** A tuple of color triples which define 
	* start and end points in a gradient. */
	public float[][] colors;

	/**  
	 * Creates a set of data points.
	 *
	 * @param	id			The id of this data.
	 * @param	name		The name of this data.
	 * @param	parseName	The name used to identify this data in the indata.
	 * @param	set			The set which this data belongs to.
	 * @param	category	The category set this data belongs to.
	 * @param	parseStrat	The parsing strategy (see VI.java and Parser.java)
	 * @param	dimension	How many dimension the data has besides Node/Rel x Category.
	 * @param	nodeType	The type of node which this data is tied to.
	 *                      nodeType.id = 0 is reserved for all nodes.
	 * @param	max			The assumed max value for this data.
	 * @param	min			The assumed min value for this data.
	 * @param	colors		A tuple of color triples which define start and end
	 *						points in a gradient.
	 */
	public Data(	int id,
					String name,
					String parseName,
					int set,
					Category category,
					int parseStrat,
					int dimension,
					NodeType nodeType,
					float max,
					float min,
					float[][] colors ) {
		
		this.id = id;
		this.name = name;
		this.parseName = parseName;
		this.set = set;
		this.category = category;
		this.parseStrat = parseStrat;
		this.dimension = dimension;
		this.nodeType = nodeType;
		this.max = max;
		this.min = min;
		
		this.colors = colors;
		
		this.maxMinusMin = max - min;
		
		if (set == SET_NODES) {
			value = new float[VI.nodeArr.length][category.cats.length][dimension];
			vn = new float[VI.nodeArr.length][category.cats.length][dimension];
			timeStamp = new long[VI.nodeArr.length][category.cats.length];
			
			for (int i  = 0; i < VI.nodeArr.length; i++) {
				for (int j = 0; j < category.cats.length; j++) {
					timeStamp[i][j] = 0;
				}
			}
			
		} else if (set == SET_REL) {
			value = new float[VI.nodeRelArr.length][category.cats.length][dimension];
			vn = new float[VI.nodeRelArr.length][category.cats.length][dimension];
			timeStamp = new long[VI.nodeRelArr.length][category.cats.length];
			
			for (int i  = 0; i < VI.nodeRelArr.length; i++) {
				for (int j = 0; j < category.cats.length; j++) {
					timeStamp[i][j] = 0;
				}
			}
			
		} else {
			// default to SET_NODES
			set = SET_NODES;
			value = new float[VI.nodeArr.length][category.cats.length][dimension];
			vn = new float[VI.nodeArr.length][category.cats.length][dimension];
			timeStamp = new long[VI.nodeArr.length][category.cats.length];
			
			for (int i  = 0; i < VI.nodeArr.length; i++) {
				for (int j = 0; j < category.cats.length; j++) {
					timeStamp[i][j] = 0;
				}
			}
			
		}
		
	}
	
	/**
	 * Normalizes the value in value and writes this to vn.
	 *
	 * @param	i1	Index 1 for value (see fields)
	 * @param	i2	Index 2 for value (see fields)
	 */
	public void normalizeValue(int i1, int i2) {
		
		for (int i = 0; i < dimension; i++) {
			vn[i1][i2][i] = (value[i1][i2][i] - min)/(maxMinusMin);
		}
		
	}
	
}