package ie.dcu.auto;

import java.util.*;

public class EvaluationResults {
	
	private static class Item {
		final double[] values;
		
		public Item(double[] values) {
			this.values = values.clone();
		}
	};
	
	private String[] measures;
	private final List<Item> results;
	
	public EvaluationResults() {
		this.measures = new String[0];
		this.results = new ArrayList<Item>();
	}
	
	void setMeasures(String[] measures) {
		if (this.measures != measures) {
			clearResults();
			this.measures = measures.clone();
		}
	}
	
	public String[] getMeasures() {
		return measures;
	}
	
	public int getMeasureCount() {
		return measures.length;
	}
	
	public int indexOfMeasure(String measure) {
		for (int i = 0; i < measures.length; i++) {
			if (measures[i].equals(measure)) {
				return i;
			}
		}
		return -1;
	}
	
	void clearResults() {
		results.clear();
	}

	void addResults(double[] results) {
		if (results.length != measures.length) {
			throw new IllegalArgumentException();
		}
		
		this.results.add(new Item(results));
	}
	
	public double[] getResults(int idx) {
		return results.get(idx).values;
	}
	
	public int getResultCount() {
		return results.size();
	}	
}