/**
 * Offer class
 */
package onetomany.bargainingchipsgame.interactions;

import onetomany.bargainingchipsgame.Bundle;

/**
 * An offer has two parts: (1) a bundle or null, (2) message code: `bid', `accept', `end'.
 * When the code is 'bid', the first part is checked; for the two latter codes, the first part of the offer is null.
 * 
 * 
 * @author Faria Nassiri-Mofakham
 *
 */
public class Offer 
{
	
	private Bundle bundle; //body of the offer, which is a bundle or null
	private String message; //message codes: (1) `bid' [body contains a bundle], (2) `accept' [agree with the deal (based on the rules); null body], (3) `end' [quitting the negotiation; null body] 
	
	public Offer()
	{
		setBundle(null); 
		setMessage(""); 
	}

	/**
	 * @return the proposal
	 */
	public Bundle getBundle() {
		return bundle;
	}

	/**
	 * @param proposal the proposal to set
	 */
	public void setBundle(Bundle b) {
		this.bundle = b;
	}

	/**
	 * @return the message
	 */
	public String getMessage() {
		return message;
	}

	/**
	 * @param message the message to set
	 */
	public void setMessage(String m) {
		this.message = m;
	}

	@Override
	public String toString() 
	{
		switch(message)
		{
		case "bid": 
				return message+": "+bundle.toString(); 
		case "accept": 
				return "Accept!";  								// might be completed during programming the protocol and agents //break;
		case "end": 
				return "End!";  								// might be completed during programming the protocol and agents //break;
		default: 
				System.out.println(" Undefined message!");
				return ""; 										//return null;  
		}
	}
	
}