package geniusweb.exampleparties.nataliaparty;

import java.util.HashMap;
import java.util.Map;

import geniusweb.issuevalue.Value;

public class DoubleMap {

	private Map<String, Map<Value, Double>> map;

	public DoubleMap() {
		this.map = new HashMap<>();
	}

	public void put(String issue, Value value, double x) {
		Map<Value, Double> values;
		if (map.containsKey(issue)) {
			values = map.get(issue);
		} else {
			values = new HashMap<>();
			map.put(issue, values);
		}
		values.put(value, x);
	}

	public double get(String issue, Value value) {
		Map<Value, Double> values;
		if (map.containsKey(issue)) {
			values = map.get(issue);
		} else {
			return 0;
		}
		if (values.containsKey(value)) {
			return values.get(value);
		} else {
			return 0;
		}
	}

	public void add(String issue, Value value, double x) {
		Map<Value, Double> values;
		if (map.containsKey(issue)) {
			values = map.get(issue);
		} else {
			values = new HashMap<>();
			map.put(issue, values);
		}
		if (values.containsKey(value)) {
			values.replace(value, values.get(value) + x);
		} else {
			values.put(value, x);
		}
	}
}