use crate::{assets, testbed::Testbed};
use glam::Vec2;
use wgui::{
	event::EventListenerCollection,
	globals::WguiGlobals,
	layout::{Layout, LayoutParams},
	parser::{ParseDocumentParams, ParserState},
};

pub struct TestbedAny {
	pub layout: Layout,

	#[allow(dead_code)]
	state: ParserState,
}

impl TestbedAny {
	pub fn new(name: &str, listeners: &mut EventListenerCollection<(), ()>) -> anyhow::Result<Self> {
		let path = format!("gui/{name}.xml");

		let globals = WguiGlobals::new(Box::new(assets::Asset {}))?;

		let (layout, state) = wgui::parser::new_layout_from_assets(
			listeners,
			&ParseDocumentParams {
				globals,
				path: &path,
				extra: Default::default(),
			},
			&LayoutParams::default(),
		)?;
		Ok(Self { layout, state })
	}
}

impl Testbed for TestbedAny {
	fn update(&mut self, width: f32, height: f32, timestep_alpha: f32) -> anyhow::Result<()> {
		self
			.layout
			.update(Vec2::new(width, height), timestep_alpha)?;
		Ok(())
	}

	fn layout(&mut self) -> &mut Layout {
		&mut self.layout
	}
}