package com.framsticks.core;

import com.framsticks.params.annotations.FramsClassAnnotation;
import com.framsticks.params.annotations.ParamAnnotation;
import com.framsticks.util.lang.Strings;

/**
 * @author Piotr Sniegowski
 */
@FramsClassAnnotation
public class ListChange {

	public Action getAction() {
		return action;
	}

	public Integer getPosition() {
		return position;
	}

	public String getIdentifier() {
		return identifier;
	}

	public static enum Action {
		Add,
		Remove,
		Modify
		// Add(0),
		// Remove(1),
		// Modify(2);

		// public final int value;

		// /**
		//  * @param value
		//  */
		// Action(int value) {
		// 	this.value = value;
		// }

	}

	public Action action = Action.Add;
	@ParamAnnotation(id = "pos")
	public Integer position;
	@ParamAnnotation(id = "id")
	public String identifier;

	@ParamAnnotation
	public Integer getType() { return action.ordinal(); }
	@ParamAnnotation
	public void setType(Integer type) { action = Action.values()[type]; }

	public String getBestIdentifier() {
		if (Strings.notEmpty(identifier)) {
			return identifier;
		}
		return position.toString();
	}

	@Override
	public String toString() {
		return action + " " + identifier + " " + position;
	}
}