package org.jzy3d.plot3d.rendering.tooltips;

import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Rectangle;

import org.jzy3d.maths.Coord3d;
import org.jzy3d.maths.IntegerCoord2d;


public class CoordinateTooltipRenderer implements ITooltipRenderer{
	public CoordinateTooltipRenderer(){
		this(null);
	}
	
	public CoordinateTooltipRenderer(IntegerCoord2d screen){
		this("X", "Y", "Z", screen);
	}
	
	public CoordinateTooltipRenderer(IntegerCoord2d screen, Coord3d target){
		this("X", "Y", "Z", screen);
		this.target = target;
	}
	
	public CoordinateTooltipRenderer(String xUnit, String yUnit, String zUnit){
		this(xUnit, yUnit, zUnit, null);
	}

	public CoordinateTooltipRenderer(String xUnit, String yUnit, String zUnit, IntegerCoord2d screen){
		this(xUnit, yUnit, zUnit, xUnit!=null, yUnit!=null, zUnit!=null, screen, null);
	}
	
	public CoordinateTooltipRenderer(String xUnit, String yUnit, String zUnit, IntegerCoord2d screen, Coord3d target){
		this(xUnit, yUnit, zUnit, xUnit!=null, yUnit!=null, zUnit!=null, screen, target, false);
	}
	
	public CoordinateTooltipRenderer(String xUnit, String yUnit, String zUnit, IntegerCoord2d screen, Coord3d target, boolean newLineAfterEachDim){
		this(xUnit, yUnit, zUnit, xUnit!=null, yUnit!=null, zUnit!=null, screen, target, newLineAfterEachDim);
	}
	
	public CoordinateTooltipRenderer(String xUnit, String yUnit, String zUnit, boolean renderX, boolean renderY, boolean renderZ, IntegerCoord2d screen, Coord3d target){
		this(xUnit, yUnit, zUnit, renderX, renderY, renderZ, screen, target, false);
	}
	
	public CoordinateTooltipRenderer(String xUnit, String yUnit, String zUnit, boolean renderX, boolean renderY, boolean renderZ, IntegerCoord2d screen, Coord3d target, boolean newLineAfterEachDim){
		this.xUnit = xUnit;
		this.yUnit = yUnit;
		this.zUnit = zUnit;
		this.renderX = renderX;
		this.renderY = renderY;
		this.renderZ = renderZ;
		this.newLineAfterEachDim = newLineAfterEachDim;
		
		if( screen != null )
			screenLocation = screen;
		if( target != null )
			this.target = target;
	}
		
	@Override
	public void render(Graphics2D g2d){
		if( newLineAfterEachDim ){
			String xcontent = xUnit + " = " + target.x;
			String ycontent = yUnit + " = " + target.y;
			String zcontent = zUnit + " = " + target.z;
			int maxlength   = Math.max( Math.max(xcontent.length(), ycontent.length()), zcontent.length() );
			lastBounds = new Rectangle(screenLocation.x-10, screenLocation.y-13, 10 + maxlength * 8, 16*3);
			
			g2d.setColor(Color.WHITE);
			g2d.fillRect(lastBounds.x, lastBounds.y, lastBounds.width, lastBounds.height);
			g2d.setColor(Color.BLACK);
			g2d.drawRect(lastBounds.x, lastBounds.y, lastBounds.width, lastBounds.height);
			g2d.drawString(xcontent, screenLocation.x, screenLocation.y);
			g2d.drawString(ycontent, screenLocation.x, screenLocation.y + 16);
			g2d.drawString(zcontent, screenLocation.x, screenLocation.y + 32);
		}
		else{
			String content = format(target);
			lastBounds = new Rectangle(screenLocation.x-10, screenLocation.y-13, 10 + content.length() * 6, 16);
			
			g2d.setColor(Color.WHITE);
			g2d.fillRect(lastBounds.x, lastBounds.y, lastBounds.width, lastBounds.height);
			g2d.setColor(Color.BLACK);
			g2d.drawRect(lastBounds.x, lastBounds.y, lastBounds.width, lastBounds.height);
			g2d.drawString(content, screenLocation.x, screenLocation.y);
		}
	}
	
	@Override
	public void updateScreenPosition(IntegerCoord2d position) {
		screenLocation = position;
	}

	public void updateTargetCoordinate(Coord3d target) {
		this.target = target;
	}

	public String format(Coord3d c) {
		String out = "";
		if(renderX)
			out += xUnit + " = " + c.x + "  ";
		if(renderY)
			out += yUnit + " = " + c.y + "  ";
		if(renderZ)
			out += zUnit + " = " + c.z + "  ";
		return out;
	}
	
	protected String xUnit;
	protected String yUnit;
	protected String zUnit;
	protected boolean renderX;
	protected boolean renderY;
	protected boolean renderZ;
	
	protected Coord3d target = Coord3d.INVALID;
	protected IntegerCoord2d screenLocation = new IntegerCoord2d();
	protected Rectangle lastBounds;
	
	protected boolean newLineAfterEachDim;
}