package foundation.state;

import java.util.List;

import foundation.util.MapList;
import foundation.util.Util;

public class ObjectStateOperatorsBucket {

	private static MapList<String, String> items;
	
	static {
		items = new MapList<String, String>();
	}
	
	public static void loadOne(List<String> targets, StatePoint statePoint) {
		String toCode = statePoint.getToCode();
		toCode = toCode.toLowerCase();

		String endCode = statePoint.getEndCode();
		String fromCode = statePoint.getFromCode();
		
		for (String target: targets) {
			//1. commit
			String key = createKey(target, statePoint.getFromCode(), statePoint.getOperator());
			
			if (items.contains(key)) {
				continue;
			}
			
			items.add(key, toCode);
			
			//2. approve
			if (Util.isEmpty(endCode)) {
				continue;
			}
			
			key = createKey(target, statePoint.getToCode(), "approve");
			if (items.contains(key)) {
				continue;
			}
			
			endCode = endCode.toLowerCase();
			items.add(key, endCode);
			
			//3. gohome
			key = createKey(target, statePoint.getToCode(), "gohome");
			if (items.contains(key)) {
				continue;
			}
			
			fromCode = fromCode.toLowerCase();
			items.add(key, fromCode);
		}
	}
	
	public static String getToStates(String dataName, String fromState, String operator) {
		String key = createKey(dataName, fromState, operator);
		return items.get(key);
	}

	private static String createKey(String dataName, String fromState, String operator) {
		return dataName + "-" + fromState + "-" + operator;
	}

}