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/**
 * MIT License
 *
 * Copyright (c) 2018-2020 atharva washimkar, Vincenzo Palazzo [email protected]
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package mdlaf.components.scrollbar;

import mdlaf.animation.MaterialUIMovement;
import mdlaf.components.button.MaterialButtonUI;
import mdlaf.utils.MaterialDrawingUtils;
import mdlaf.utils.MaterialImageFactory;
import mdlaf.utils.MaterialManagerListener;
import javax.swing.*;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.basic.BasicScrollBarUI;
import java.awt.*;

/**
 * @author https://github.com/vincenzopalazzo
 * @author https://github.com/atarw
 * @author https://github.com/downToHell
 */
public class MaterialScrollBarUI extends BasicScrollBarUI {

	public static ComponentUI createUI (JComponent c) {
		return new MaterialScrollBarUI ();
	}

	@Override
	public void paint (Graphics g, JComponent c) {
		super.paint (MaterialDrawingUtils.getAliasedGraphics (g), c);
	}

	@Override
	protected JButton createDecreaseButton (int orientation) {
		return installButton(orientation);
	}

	@Override
	protected JButton createIncreaseButton (int orientation) {
		return installButton(orientation);
	}

	@Override
	protected void paintTrack(Graphics g, JComponent c, Rectangle trackBounds) {
		super.paintTrack(g, c, trackBounds);
		g.setColor(UIManager.getColor ("ScrollBar.track"));
	}

	@Override
	protected void paintThumb(Graphics g, JComponent c, Rectangle thumbBounds) {
		super.paintThumb(g, c, thumbBounds);
		g.setColor(UIManager.getColor ("ScrollBar.thumb"));

	}

	@Override
	protected void configureScrollBarColors() {
		super.configureScrollBarColors();
		thumbDarkShadowColor = UIManager.getColor ("ScrollBar.thumbDarkShadow");
		thumbHighlightColor = UIManager.getColor ("ScrollBar.thumbHighlight");
		thumbLightShadowColor = UIManager.getColor ("ScrollBar.thumbShadow");
	}

	protected void setIconArrowButton(JButton button, int orientation) {
		if(button == null){
			throw new IllegalArgumentException("Input null");
		}
		if (orientation == SwingConstants.NORTH){
			button.setIcon(MaterialImageFactory.getInstance().getImage(MaterialImageFactory.UP_ARROW));
			return;
		}else if(orientation == SwingConstants.SOUTH){
			button.setIcon(MaterialImageFactory.getInstance().getImage(MaterialImageFactory.DOWN_ARROW));
			return;
		}else if(orientation == SwingConstants.EAST){
			button.setIcon(MaterialImageFactory.getInstance().getImage(MaterialImageFactory.RIGHT_ARROW));
			return;
		}else if(orientation == SwingConstants.WEST){
			button.setIcon(MaterialImageFactory.getInstance().getImage(MaterialImageFactory.LEFT_ARROW));
			return;
		}
		throw new IllegalArgumentException("orientation not valid");
	}

	protected void createInvisibleButton(JComponent component){
		if(component == null){
			throw new IllegalArgumentException("Argument function null");
		}
		component.setPreferredSize(new Dimension(0, 0));
		component.setMinimumSize(new Dimension(0, 0));
		component.setMaximumSize(new Dimension(0, 0));
	}

	protected JButton installButton(int orientation){
		JButton button = new JButton();
		MaterialManagerListener.removeAllMaterialMouseListener(button);
		button.setUI(new MaterialButtonUI());
		button.setOpaque (true);
		button.setFocusable(false); //This must be false because the button focus have an effect that this button mustn't be have
		button.setBackground (UIManager.getColor ("ScrollBar.arrowButtonBackground"));
		if(!UIManager.getBoolean("ScrollBar.enableArrow")){
			createInvisibleButton(button);
			return button;
		}
		setIconArrowButton(button, orientation);
		if(UIManager.getBoolean("ScrollBar[MouseHover].enable")){
			button.addMouseListener(MaterialUIMovement.getStaticMovement(button,
					UIManager.getColor("ScrollBar[MouseHover].color"),
					UIManager.getColor("ScrollBar[OnClick].color")));
		}
		button.setBorder (UIManager.getBorder("ScrollBar.arrowButtonBorder"));
		return button;
	}

}