/**
 * This file is part of WiiuseJ.
 *
 *  WiiuseJ is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  WiiuseJ is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with WiiuseJ.  If not, see <http://www.gnu.org/licenses/>.
 */
package wiiusej.wiiuseapievents;

/**
 * Class which represents a buttons event.
 * @author guiguito
 */
public class ButtonsEvent extends WiimoteEvent{
	
	/* Buttons MACRO */
	private static short WIIMOTE_BUTTON_TWO = 0x0001;
	private static short WIIMOTE_BUTTON_ONE = 0x0002;
	private static short WIIMOTE_BUTTON_B = 0x0004;
	private static short WIIMOTE_BUTTON_A = 0x0008;
	private static short WIIMOTE_BUTTON_MINUS = 0x0010;
	private static short WIIMOTE_BUTTON_ZACCEL_BIT6 = 0x0020;
	private static short WIIMOTE_BUTTON_ZACCEL_BIT7 = 0x0040;
	private static short WIIMOTE_BUTTON_HOME = 0x0080;
	private static short WIIMOTE_BUTTON_LEFT = 0x0100;
	private static short WIIMOTE_BUTTON_RIGHT = 0x0200;
	private static short WIIMOTE_BUTTON_DOWN = 0x0400;
	private static short WIIMOTE_BUTTON_UP = 0x0800;
	private static short WIIMOTE_BUTTON_PLUS = 0x1000;
	private static short WIIMOTE_BUTTON_ZACCEL_BIT4 = 0x2000;
	private static short WIIMOTE_BUTTON_ZACCEL_BIT5 = 0x4000;
	private static int WIIMOTE_BUTTON_UNKNOWN = 0x8000;
	private static short WIIMOTE_BUTTON_ALL = 0x1F9F;
	
	/* Buttons */
	private short buttonsJustPressed = 0;
	private short buttonsJustReleased = 0;
	private short buttonsHeld = 0;
	
	/**
	 * Constructor of the button Event.
	 * @param id id of the wiimote concerned.
	 * @param buttonsJustPressed buttons just pressed.
	 * @param buttonsJustReleased buttons just released.
	 * @param buttonsHeld buttons just held.
	 */
	public ButtonsEvent(int id, short buttonsJustPressed,
			short buttonsJustReleased, short buttonsHeld){
		super(id);
		setAllButtons(buttonsJustPressed, buttonsJustReleased, buttonsHeld);
	}
	
	/**
	 * Set all buttons in one method.
	 * 
	 * @param buttonsJustPressed
	 * @param buttonsJustReleased
	 * @param buttonsHeld
	 */
	private void setAllButtons(short buttonsJustPressed,
			short buttonsJustReleased, short buttonsHeld) {
		this.buttonsJustPressed = buttonsJustPressed;
		this.buttonsJustReleased = buttonsJustReleased;
		this.buttonsHeld = buttonsHeld;
	}
	
	/**
	 * Get the short storing the buttons just pressed
	 * 
	 * @return the short storing the buttons just pressed
	 */
	public short getButtonsJustPressed() {
		return buttonsJustPressed;
	}

	/**
	 * Get the short storing the buttons just released
	 * 
	 * @return the short storing the buttons just released
	 */
	public short getButtonsJustReleased() {
		return buttonsJustReleased;
	}

	/**
	 * get the short storing the buttons held
	 * 
	 * @return the short storing the buttons held
	 */
	public short getButtonsHeld() {
		return buttonsHeld;
	}
	
	/** **************** BUTTONS Methods ***************** */
	/* generic button functions */

	private boolean buttonTest(short buttonBitsDefinition, short buttons) {
		return (buttons & buttonBitsDefinition) == buttonBitsDefinition;
	}

	private boolean isButtonJustPressed(short buttonBitsDefinition) {
		return buttonTest(buttonBitsDefinition, buttonsJustPressed)
				&& !isButtonHeld(buttonBitsDefinition);
	}

	private boolean isButtonJustReleased(short buttonBitsDefinition) {
		return buttonTest(buttonBitsDefinition, buttonsJustReleased);
	}

	private boolean isButtonHeld(short buttonBitsDefinition) {
		return buttonTest(buttonBitsDefinition, buttonsHeld);
	}
	
	private boolean isButtonPressed(short buttonBitsDefinition) {
		return isButtonHeld(buttonBitsDefinition)||isButtonJustPressed(buttonBitsDefinition);
	}
	/* Button ONE */

	public boolean isButtonOneJustPressed() {
		return isButtonJustPressed(WIIMOTE_BUTTON_ONE);
	}

	public boolean isButtonOneJustReleased() {
		return isButtonJustReleased(WIIMOTE_BUTTON_ONE);
	}

	public boolean isButtonOneHeld() {
		return isButtonHeld(WIIMOTE_BUTTON_ONE);
	}
	
	public boolean isButtonOnePressed() {
		return isButtonPressed(WIIMOTE_BUTTON_ONE);
	}

	/* Button TWO */

	public boolean isButtonTwoJustPressed() {
		return isButtonJustPressed(WIIMOTE_BUTTON_TWO);
	}

	public boolean isButtonTwoJustReleased() {
		return isButtonJustReleased(WIIMOTE_BUTTON_TWO);
	}

	public boolean isButtonTwoHeld() {
		return isButtonHeld(WIIMOTE_BUTTON_TWO);
	}
	
	public boolean isButtonTwoPressed() {
		return isButtonPressed(WIIMOTE_BUTTON_TWO);
	}

	/* Button A */

	public boolean isButtonAJustPressed() {
		return isButtonJustPressed(WIIMOTE_BUTTON_A);
	}

	public boolean isButtonAJustReleased() {
		return isButtonJustReleased(WIIMOTE_BUTTON_A);
	}

	public boolean isButtonAHeld() {
		return isButtonHeld(WIIMOTE_BUTTON_A);
	}
	
	public boolean isButtonAPressed() {
		return isButtonPressed(WIIMOTE_BUTTON_A);
	}

	/* Button B */

	public boolean isButtonBJustPressed() {
		return isButtonJustPressed(WIIMOTE_BUTTON_B);
	}

	public boolean isButtonBJustReleased() {
		return isButtonJustReleased(WIIMOTE_BUTTON_B);
	}

	public boolean isButtonBHeld() {
		return isButtonHeld(WIIMOTE_BUTTON_B);
	}
	
	public boolean isButtonBPressed() {
		return isButtonPressed(WIIMOTE_BUTTON_B);
	}

	/* Button LEFT */

	public boolean isButtonLeftJustPressed() {
		return isButtonJustPressed(WIIMOTE_BUTTON_LEFT);
	}

	public boolean isButtonLeftJustReleased() {
		return isButtonJustReleased(WIIMOTE_BUTTON_LEFT);
	}

	public boolean isButtonLeftHeld() {
		return isButtonHeld(WIIMOTE_BUTTON_LEFT);
	}
	
	public boolean isButtonLeftPressed() {
		return isButtonPressed(WIIMOTE_BUTTON_LEFT);
	}

	/* Button RIGHT */

	public boolean isButtonRightJustPressed() {
		return isButtonJustPressed(WIIMOTE_BUTTON_RIGHT);
	}

	public boolean isButtonRightJustReleased() {
		return isButtonJustReleased(WIIMOTE_BUTTON_RIGHT);
	}

	public boolean isButtonRightHeld() {
		return isButtonHeld(WIIMOTE_BUTTON_RIGHT);
	}
	
	public boolean isButtonRightPressed() {
		return isButtonPressed(WIIMOTE_BUTTON_RIGHT);
	}

	/* Button UP */

	public boolean isButtonUpJustPressed() {
		return isButtonJustPressed(WIIMOTE_BUTTON_UP);
	}

	public boolean isButtonUpJustReleased() {
		return isButtonJustReleased(WIIMOTE_BUTTON_UP);
	}

	public boolean isButtonUpHeld() {
		return isButtonHeld(WIIMOTE_BUTTON_UP);
	}
	
	public boolean isButtonUpPressed() {
		return isButtonPressed(WIIMOTE_BUTTON_UP);
	}

	/* Button DOWN */

	public boolean isButtonDownJustPressed() {
		return isButtonJustPressed(WIIMOTE_BUTTON_DOWN);
	}

	public boolean isButtonDownJustReleased() {
		return isButtonJustReleased(WIIMOTE_BUTTON_DOWN);
	}

	public boolean isButtonDownHeld() {
		return isButtonHeld(WIIMOTE_BUTTON_DOWN);
	}
	
	public boolean isButtonDownPressed() {
		return isButtonPressed(WIIMOTE_BUTTON_DOWN);
	}

	/* Button - */

	public boolean isButtonMinusJustPressed() {
		return isButtonJustPressed(WIIMOTE_BUTTON_MINUS);
	}

	public boolean isButtonMinusJustReleased() {
		return isButtonJustReleased(WIIMOTE_BUTTON_MINUS);
	}

	public boolean isButtonMinusHeld() {
		return isButtonHeld(WIIMOTE_BUTTON_MINUS);
	}
	
	public boolean isButtonMinusPressed() {
		return isButtonPressed(WIIMOTE_BUTTON_MINUS);
	}

	/* Button + */

	public boolean isButtonPlusJustPressed() {
		return isButtonJustPressed(WIIMOTE_BUTTON_PLUS);
	}

	public boolean isButtonPlusJustReleased() {
		return isButtonJustReleased(WIIMOTE_BUTTON_PLUS);
	}

	public boolean isButtonPlusHeld() {
		return isButtonHeld(WIIMOTE_BUTTON_PLUS);
	}
	
	public boolean isButtonPlusPressed() {
		return isButtonPressed(WIIMOTE_BUTTON_PLUS);
	}

	/* Button HOME */

	public boolean isButtonHomeJustPressed() {
		return isButtonJustPressed(WIIMOTE_BUTTON_HOME);
	}

	public boolean isButtonHomeJustReleased() {
		return isButtonJustReleased(WIIMOTE_BUTTON_HOME);
	}

	public boolean isButtonHomeHeld() {
		return isButtonHeld(WIIMOTE_BUTTON_HOME);
	}
	
	public boolean isButtonHomePressed() {
		return isButtonPressed(WIIMOTE_BUTTON_HOME);
	}
	
	@Override
	public String toString() {
		String out = "";
		/* Display buttons */
		out += "/******** Buttons ********/\n";
		out += "--- Buttons just pressed : " + buttonsJustPressed + "\n";
		out += "--- Buttons just released : " + buttonsJustReleased + "\n";
		out += "--- Buttons held : " + buttonsHeld + "\n";
		return out;
	}

}