package kha.input;

import kha.SystemImpl;
import kha.input.Mouse;

class MouseImpl extends kha.input.Mouse {
	public function new() {
		super();
	}

	override public function lock(): Void {
		SystemImpl.lockMouse();
	}

	override public function unlock(): Void {
		SystemImpl.unlockMouse();
	}

	override public function canLock(): Bool {
		return SystemImpl.canLockMouse();
	}

	override public function isLocked(): Bool {
		return SystemImpl.isMouseLocked();
	}

	override public function notifyOnLockChange(func: Void->Void, error: Void->Void): Void {
		SystemImpl.notifyOfMouseLockChange(func, error);
	}

	override public function removeFromLockChange(func: Void->Void, error: Void->Void): Void {
		SystemImpl.removeFromMouseLockChange(func, error);
	}

	override public function hideSystemCursor(): Void {
		SystemImpl.khanvas.style.cursor = "none";
	}

	override public function showSystemCursor(): Void {
		SystemImpl.khanvas.style.cursor = "default";
	}

	override public function setSystemCursor(cursor: MouseCursor): Void {
		SystemImpl.khanvas.style.cursor = switch (cursor) {
			case Default: "default";
			case Pointer: "pointer";
			case Text: "text";
			case EastWestResize: "ew-resize";
			case NorthSouthResize: "ns-resize";
			case NorthEastResize: "ne-resize";
			case SouthEastResize: "se-resize";
			case NorthWestResize: "nw-resize";
			case SouthWestResize: "sw-resize";
			case Grab: "grab";
			case Grabbing: "grabbing";
			case NotAllowed: "not-allowed";
			case Wait: "wait";
			case Crosshair: "crosshair";
			case Custom(image):
				var canvas = js.Browser.document.createCanvasElement();
				canvas.width = image.width;
				canvas.height = image.height;
				if (Std.isOfType(image, WebGLImage)) {
					canvas.getContext2d().drawImage(cast(image, WebGLImage).image, 0, 0);
				}
				else {
					canvas.getContext2d().drawImage(cast(image, CanvasImage).image, 0, 0);
				}
				var dataURL = canvas.toDataURL("image/png");
				dataURL = StringTools.replace(dataURL, "/^data:image\\/(png|jpg);base64,/", "");

				'url(\'$dataURL\'),auto';
			default: "default";
		}
	}
}