sunset := @use("../../../libraries/sunset_proto/src/lib.hb")
render := @use("../../../libraries/render/src/lib.hb")
intouch := @use("../../../libraries/intouch/src/lib.hb")

horizon_api := @use("../../../libraries/horizon_api/src/lib.hb");
.{new_label, render_label_to_surface, set_label_text} := horizon_api.widgets.label

stn := @use("../../../libraries/stn/src/lib.hb");
.{Vec2} := stn.math

psf := @embed("../../../assets/consolefonts/tamsyn/10x20r.psf")
img := @embed("../../../assets/wallpaper.qoi")

main := fn(): int {
	sunset.server.start()

	screen := render.init(true)
	render.clear(screen, render.black)

	font := @unwrap(render.text.font_from_psf2(@bitcast(&psf), false))

	wallpaper := render.image.from(@bitcast(&img))
	if wallpaper == null {
		// stn.panic("Wallpaper not loaded\0")
		return 1
	}

	mouse_x := 100
	mouse_y := 100

	text_label := new_label("Hi\0")

	loop {
		mouse_event := intouch.recieve_mouse_event()
		if mouse_event != null {
			change_x := @as(i16, mouse_event.x_change)
			change_x = change_x << 8
			change_x = change_x >> 8

			mouse_x += change_x
			if mouse_x < 0 {
				mouse_x = 0
			}
			if mouse_x >= screen.width - 20 {
				mouse_x = @intcast(screen.width - 21)
			}

			change_y := @as(i16, mouse_event.y_change)
			change_y = change_y << 8
			change_y = change_y >> 8

			if mouse_y < 0 {
				mouse_y = 0
			}
			if mouse_y >= screen.height - 20 {
				mouse_y = @intcast(screen.height - 21)
			}
			mouse_y -= change_y

			if mouse_event.left {
				set_label_text(text_label, "LEFT CLICK\0")
			}
			if mouse_event.middle {
				set_label_text(text_label, "MIDDLE CLICK\0")
			}
			if mouse_event.right {
				set_label_text(text_label, "RIGHT CLICK\0")
			}
		}
		{
			render.clear(screen, render.black)
			render.put_surface(screen, wallpaper, .(0, 0), false)

			render.put_rect(screen, .(0, 0), .(screen.width - 1, screen.height - 1), sunset.server.DECO_COLOUR)
		}

		if sunset.server.incoming() {
			sunset.server.collect_frames()
			sunset.server.render_clients(screen)
		}

		{
			pos := Vec2(uint).(1, screen.height - 21)
			render_label_to_surface(screen, text_label, font, pos)
			render.put_rect(screen, .(0, screen.height - 21), .(screen.width - 1, 20), sunset.server.DECO_COLOUR)
		}

		// Mouse cursor
		{
			render.put_filled_rect(screen, .(mouse_x, mouse_y), .(20, 20), sunset.server.DECO_COLOUR_DARKER)
			render.put_rect(screen, .(mouse_x, mouse_y), .(20, 20), sunset.server.DECO_COLOUR)
		}

		render.sync(screen)
	}

	return 0
}