/*******************************************************************************
 * Copyright (c) 2007 VTT Technical Research Centre of Finland and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     VTT Technical Research Centre of Finland - initial API and implementation
 *******************************************************************************/
package org.simantics.proconf.g3d.input;

import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;

public class AWTInputProvider implements KeyListener, MouseListener, MouseMotionListener , InputProvider{
    
    private boolean keyPressed[] = new boolean[1024];
    private boolean keyTemp[] = new boolean[1024];
    private boolean keyDown[] = new boolean[1024];
    private boolean keyUp[] = new boolean[1024];
    
    private int awtMouseX = 0;
    private int awtMouseY = 0;
    private boolean awtPressed = false;
    private boolean awtDragged = false;
    private boolean awtReleased = false;
    private boolean awtMouseClicked = false;
    private boolean awtMouseMoved = false;
    
    private int awtPressModifiers = 0;
    private int awtDragModifiers = 0;
    private int awtClickModifiers = 0;
    private int awtMoveModifiers = 0;
    private int awtClickButton = 0;
     
    private int mouseX = 0;
    private int mouseY = 0;
    
    private int prevMouseX = 0;
    private int prevMouseY = 0;
    
    private boolean mousePressed = false;
    private boolean mouseDragged = false;
    private boolean mouseReleased = false;
    private boolean mouseClicked = false;
    private boolean mouseMoved = false;
    
    private int pressModifiers = 0;
    private int clickModifiers = 0;
    private int dragModifiers = 0;
    private int clickButton = 0;
    private int moveModifiers = 0;
    
    public AWTInputProvider() {
        for (int i = 0; i < keyDown.length; i++) {
            keyDown[i] = false;
            keyTemp[i] = false;
            keyPressed[i] = false;  
            keyUp[i] = false;
        }
    }
    
    public boolean keyPressed(int i) {
        return keyPressed[i];
    }
    
    public boolean keyDown(int i) {
        return keyDown[i];
    }
    
    public boolean keyUp(int i) {
    	return keyUp[i];
    }
    
    public int mouseX() {
        return mouseX;
    }
    
    public int mouseY() {
        return mouseY;
    }
    
    public int prevMouseX() {
        return prevMouseX;
    }
    
    public int prevMouseY() {
        return prevMouseY;
    }
    
    public boolean mousePressed() {
        return mousePressed;
    }
    
    public boolean mouseMoved() {
        return mouseMoved;
    }
    
    public boolean mouseReleased() {
        return mouseReleased;
    }
    
    public boolean mouseClicked() {
        return mouseClicked;
    }
    
    public boolean mouseDragged() {
        return mouseDragged;
    }
    
    public int pressModifiers() {
        return pressModifiers;
    }
    
    public int clickModifiers() {
        return clickModifiers;
    }
    
    public int dragModifiers() {
        return dragModifiers;
    }
    
    public int moveModifiers() {
        return moveModifiers;
    }
    
    public int clickButton() {
        return clickButton;
    }
    
    
    public void update() {
        prevMouseX = mouseX;
        prevMouseY = mouseY;
        mouseX = awtMouseX;
        mouseY = awtMouseY;
        //System.out.println(mouseX + " " + mouseY);
        mousePressed = awtPressed;
        awtPressed = false;
        mouseReleased = awtReleased;
        awtReleased = false;
        mouseMoved = awtMouseMoved;
        awtMouseMoved = false;
        mouseDragged = awtDragged;
        awtDragged = false;
        mouseClicked = awtMouseClicked;
        awtMouseClicked = false;
        pressModifiers = awtPressModifiers;
       // awtPressModifiers = 0;
        clickModifiers = awtClickModifiers;
        //awtClickModifiers = 0;
        dragModifiers = awtDragModifiers;
       // awtDragModifiers = 0;
        moveModifiers = awtMoveModifiers;
        //awtMoveModifiers = 0;
        clickButton = awtClickButton;
        awtClickButton = 0;
        for (int i = 0; i < keyDown.length; i++) {
            if (keyDown[i] && !keyTemp[i]) {
              keyTemp[i] = true;
              keyPressed[i] = true;
            }
            else if (keyDown[i] && keyTemp[i]) {
             keyPressed[i] = false;
            }
            else if (!keyDown[i] && keyTemp[i]) {
            	keyUp[i] = true;
            	keyTemp[i] = false;
                keyPressed[i] = false;
            }
            else if (!keyDown[i]) {
              keyTemp[i] = false;
              keyPressed[i] = false;
              keyUp[i] = false;
            }
          }
    
    }
    
    /* (non-Javadoc)
     * @see java.awt.event.MouseMotionListener#mouseDragged(java.awt.event.MouseEvent)
     */
    public void mouseDragged(MouseEvent e) {
        awtMouseX = e.getX();
        awtMouseY = e.getY();
        awtDragged = true;
        awtDragModifiers = e.getModifiers() | e.getButton();
    }
 
    /* (non-Javadoc)
     * @see java.awt.event.MouseListener#mouseReleased(java.awt.event.MouseEvent)
     */
    public void mouseReleased(MouseEvent e) {
        awtReleased = true;
        //ms.set(msTmp);

    }

    /*
     * (non-Javadoc)
     * 
     * @see java.awt.event.MouseListener#mouseClicked(java.awt.event.MouseEvent)
     */
    public void mouseClicked(MouseEvent e) {

        awtMouseX = e.getX();
        awtMouseY = e.getY();
        e.getButton();
        
        awtClickModifiers  = e.getModifiersEx();
        awtClickButton = e.getButton();
        awtMouseClicked = true;

    }

    /*
     * (non-Javadoc)
     * 
     * @see java.awt.event.MouseListener#mouseEntered(java.awt.event.MouseEvent)
     */
    public void mouseEntered(MouseEvent arg0) {

    }

    /*
     * (non-Javadoc)
     * 
     * @see java.awt.event.MouseListener#mouseExited(java.awt.event.MouseEvent)
     */
    public void mouseExited(MouseEvent arg0) {

    }

    /*
     * (non-Javadoc)
     * 
     * @see java.awt.event.MouseMotionListener#mouseMoved(java.awt.event.MouseEvent)
     */
    public void mouseMoved(MouseEvent arg0) {

        awtMouseMoved = true;
        awtMouseX = arg0.getX();
        awtMouseY = arg0.getY();
        awtMoveModifiers  = arg0.getModifiersEx();

    }
    
    /* (non-Javadoc)
     * @see java.awt.event.KeyListener#keyPressed(java.awt.event.KeyEvent)
     */
    public void keyPressed(KeyEvent arg0) {
           keyDown[arg0.getKeyCode()] = true;
    }
    
    /* (non-Javadoc)
     * @see java.awt.event.KeyListener#keyReleased(java.awt.event.KeyEvent)
     */
    public void keyReleased(KeyEvent arg0) {
           keyDown[arg0.getKeyCode()] = false;
    }
    
 
    /* (non-Javadoc)
     * @see java.awt.event.KeyListener#keyTyped(java.awt.event.KeyEvent)
     */
    public void keyTyped(KeyEvent e) {

    }

    /* (non-Javadoc)
     * @see java.awt.event.MouseListener#mousePressed(java.awt.event.MouseEvent)
     */
    public void mousePressed(MouseEvent e) {
        awtMouseX = e.getX();
        awtMouseY = e.getY();
        awtPressed = true;
        awtPressModifiers = e.getModifiers() | e.getButton();
    }
    
    public void setMouseMoved(boolean b) {

    }
    
    public void setMouseX(int x) {

    }
    
    public void setMouseY(int y) {

    }
    
    public String toString() {
        String s = "";
        s += "(" + mouseX + "," + mouseY + ")\n";
        s += "Pressed " + mousePressed + "\n";
        s += "Released " + mouseReleased + "\n";
        s += "Moved " + mouseMoved + "\n";
        s += "Dragged " + mouseDragged + "\n";
        s += "Clicked " + mouseClicked + "\n";
        s += "DragModifiers " + dragModifiers + "\n";
        s += "ClickModifiers " + clickModifiers + "\n";
        s += "PressModifiers " + pressModifiers + "\n";
        return s;
    }
}