package kha.java;

import kha.Color;
import kha.Font;
import kha.Image;
import kha.math.FastMatrix3;
import kha.math.Matrix3;
import kha.Rotation;
import java.awt.Graphics2D;

@:classCode('
	public float tx = 0;
	public float ty = 0;

	private static int round(double value) {
		return (int)Math.round(value);
	}
')
class Painter extends kha.graphics2.Graphics {
	public var graphics: Graphics2D;

	// public var tx: Float = 0;
	// public var ty: Float = 0;
	var myColor: Color;
	var myFont: Font;

	public function new() {
		super();
	}

	// private static inline function round(value:Float):Int {
	// 	return Math.round(value);
	// }

	@:functionCode('
		graphics.setBackground(new java.awt.Color(color));
		graphics.clearRect(0, 0, 2048, 2048);
	')
	function clear2(color: Int): Void {}

	override public function clear(color: Color = null): Void {
		clear2(color != null ? color.value : Color.Black.value);
	}

	@:functionCode('
		graphics.setRenderingHint(java.awt.RenderingHints.KEY_INTERPOLATION, java.awt.RenderingHints.VALUE_INTERPOLATION_BILINEAR);
	')
	public function setRenderHint(): Void {}

	@:functionCode('
		graphics.drawImage(img.image, round(tx + x), round(ty + y), null);
	')
	override public function drawImage(img: Image, x: Float, y: Float): Void {}

	@:functionCode('
		graphics.drawImage(image.image, round(tx + dx), round(ty + dy), round(tx + dx + dw), round(ty + dy + dh), round(sx), round(sy), round(sx + sw), round(sy + sh), null);
	')
	override public function drawScaledSubImage(image: Image, sx: Float, sy: Float, sw: Float, sh: Float, dx: Float, dy: Float, dw: Float, dh: Float): Void {}

	override function get_color(): kha.Color {
		return myColor;
	}

	@:functionCode('
		graphics.setColor(new java.awt.Color(color));
	')
	function setColorInternal(color: kha.Color): Void {}

	override function set_color(color: kha.Color): kha.Color {
		setColorInternal(color);
		return myColor = color;
	}

	@:functionCode('
		java.awt.Stroke oldStroke = graphics.getStroke();
		graphics.setStroke(new java.awt.BasicStroke((float)strength));
		graphics.drawRect(round(tx + x), round(ty + y), round(width), round(height));
		graphics.setStroke(oldStroke);
	')
	function drawRect2(x: Float, y: Float, width: Float, height: Float, strength: Float): Void {}

	override public function drawRect(x: Float, y: Float, width: Float, height: Float, strength: Float = 1.0): Void {
		drawRect2(x, y, width, height, strength);
	}

	@:functionCode('
		graphics.fillRect(round(tx + x), round(ty + y), round(width), round(height));
	')
	override public function fillRect(x: Float, y: Float, width: Float, height: Float): Void {}

	@:functionCode('
		graphics.setFont(((kha.java.Font)font).font);
	')
	function setFontInternal(font: Font): Void {}

	override function get_font(): kha.Font {
		return myFont;
	}

	override function set_font(font: kha.Font): kha.Font {
		setFontInternal(font);
		return myFont = font;
	}

	@:functionCode('
		graphics.drawString(text, round(tx + x), round(ty + y));
	')
	override public function drawString(text: String, x: Float, y: Float): Void {}

	@:functionCode('
		java.awt.Stroke oldStroke = graphics.getStroke();
		graphics.setStroke(new java.awt.BasicStroke((Float)strength));
		graphics.drawLine(round(tx + x1), round(ty + y1), round(tx + x2), round(ty + y2));
		graphics.setStroke(oldStroke);
	')
	override public function drawLine(x1: Float, y1: Float, x2: Float, y2: Float, strength: Float = 1.0): Void {}

	@:functionCode('
		int[] xPoints = new int[]{round(tx + x1), round(tx + x2), round(tx + x3)};
		int[] yPoints = new int[]{round(ty + y1), round(ty + y2), round(ty + y3)};
		graphics.fillPolygon(xPoints, yPoints, 3);
	')
	override public function fillTriangle(x1: Float, y1: Float, x2: Float, y2: Float, x3: Float, y3: Float): Void {}

	@:functionCode('
		graphics.setTransform(new java.awt.geom.AffineTransform(
			((Number)transformation._00).floatValue(), ((Number)transformation._01).floatValue(), ((Number)transformation._10).floatValue(),
			((Number)transformation._11).floatValue(), ((Number)transformation._20).floatValue(), ((Number)transformation._21).floatValue()));
	')
	override function setTransformation(transformation: FastMatrix3): Void {}
}