package lab.games;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

/**
 * The controller of the GUI.
 */
public class Controller implements ActionListener
{
    private Model model;
    private View view;
    private boolean finished; // once the game has finished, button presses have no impact any more

    /** 
     * Initializes this controller.
     */
    public Controller() 
    {
	this.setFinished(false);
    }

    /**
     * Updates the model and the view for each event.  An
     * event corresponds to the player selecting a column
     * to drop a coin.  If the player selects a column that
     * is filled, the message "You cannot drop a coin in this 
     * column" is printed.  Otherwise, the model and view 
     * are updated to reflect the dropping of the coin.
     * If at this point the player has won, the message
     * "You have won" is printed.  Otherwise, the computer
     * selects a column to drop a coin.  Next, the model and 
     * view are updated to reflect the dropping of the coin.
     * If at this point the computer has won, the message
     * "You have lost" is printed.  If all slots are filled,
     * the message "It is a tie" is printed.
     */
    public void actionPerformed(ActionEvent event)
    {
	// implement this method
    }

    /**
     * Returns the model.
     * 
     * @return the model.
     */
    private Model getModel()
    {
	return this.model;
    }

    /**
     * Returns the view.
     * 
     * @return the view.
     */
    private View getView()
    {
	return this.view;
    }

    /**
     * Tests whether the game is finished.
     * 
     * @return true if the game is finished, false otherwise.
     */
    private boolean isFinished() 
    {
	return this.finished;
    }

    /**
     * Sets the model to the given model.
     * 
     * @param model the model.
     * @pre. model != null
     */
    public void setModel(Model model)
    {
	this.model = model;
    }

    /**
     * Sets the view to the given view.
     * 
     * @param view the view.
     * @pre. view != null
     */
    public void setView(View view)
    {
	this.view = view;
    }

    /**
     * Sets whether the game is finished.
     * 
     * @param finished whether the game is finished.
     */
    private void setFinished(boolean finished) 
    {
	this.finished = finished;
    }
}