package jrummikub.model;

import java.io.Serializable;

/**
 * Interface for {@link RoundState} model
 */
public interface IRoundState extends Serializable {

	/**
	 * Get the current {@link GameSettings}
	 * 
	 * @return The game settings
	 */
	public GameSettings getGameSettings();

	/**
	 * Get the current {@link Table}
	 * 
	 * @return The current Table
	 */
	public ITable getTable();

	/**
	 * Sets the current {@link Table}
	 * 
	 * @param table
	 *          The new Table
	 */
	public void setTable(ITable table);

	/**
	 * Returns the number of players
	 * 
	 * @return number of players
	 */
	public int getPlayerCount();

	/** Changes the activePlayer to the next {@link Player} in the list */
	public void nextPlayer();

	/**
	 * Returns the currently active player
	 * 
	 * @return currently active player
	 */
	public IPlayer getActivePlayer();

	/**
	 * Returns the heap of stones to draw from
	 * 
	 * @return heap of stones
	 */
	public StoneHeap getGameHeap();

	/**
	 * Returns the player that would be the active player after i turns
	 * 
	 * @param i
	 *          number of turns
	 * @return player active after i turns
	 */
	public IPlayer getNthNextPlayer(int i);

	/**
	 * Returns the nth player
	 * 
	 * @param i
	 *          player number
	 * @return nth player
	 */
	public IPlayer getNthPlayer(int i);

	/**
	 * Sets the player that will make the last turn before the round ends when the
	 * heap is empty
	 * 
	 * @return the last player
	 */
	public abstract IPlayer getLastPlayer();

	/**
	 * Gets the player that will make the last turn before the round ends when the
	 * heap is empty
	 * 
	 * @param lastPlayer
	 *          the last player
	 */
	public abstract void setLastPlayer(IPlayer lastPlayer);

	/**
	 * Makes the player with number i the active player
	 * 
	 * @param i
	 *          number of the player to make active
	 */
	public void setActivePlayerNumber(int i);

	/**
	 * Gets the number of the current turn. Numbers smaller than one indicate hand
	 * inspection turns
	 * 
	 * @return current turn number
	 */
	public abstract int getTurnNumber();

	/**
	 * Increments the turn number
	 * 
	 */
	public void nextTurn();

}