use galactica_content::{resolve_edge_as_edge, Content};
use log::error;
use rhai::{CustomType, TypeBuilder};
use std::{cell::RefCell, rc::Rc};

use crate::ui::util::Sprite;

#[derive(Debug, Clone)]
pub struct SpriteElement {
	pub sprite: Rc<RefCell<Sprite>>,
	pub ct: Rc<Content>,
}

unsafe impl Send for SpriteElement {}
unsafe impl Sync for SpriteElement {}

impl SpriteElement {
	pub fn new(ct: Rc<Content>, sprite: Rc<RefCell<Sprite>>) -> Self {
		Self { ct, sprite }
	}

	// This MUST be &mut, or rhai won't recognize it.
	pub fn has_name(&mut self, s: String) -> bool {
		self.sprite.as_ref().borrow().name == s
	}

	pub fn take_edge(&mut self, edge_name: &str, duration: f32) {
		let sprite_handle = self.sprite.as_ref().borrow().anim.get_sprite();
		let sprite = self.ct.get_sprite(sprite_handle);

		let edge = resolve_edge_as_edge(edge_name, duration, |x| {
			sprite.get_section_handle_by_name(x)
		});
		let edge = match edge {
			Err(x) => {
				error!(
					"UI script reference invalid section `{}` in sprite `{}`, skipping",
					edge_name, sprite.name
				);
				error!("error: {:?}", x);
				return;
			}
			Ok(s) => s,
		};

		self.sprite
			.as_ref()
			.borrow_mut()
			.anim
			.jump_to(&self.ct, edge);
	}
}

impl CustomType for SpriteElement {
	fn build(mut builder: TypeBuilder<Self>) {
		builder
			.with_name("SpriteElement")
			.with_fn("has_name", Self::has_name)
			.with_fn("take_edge", Self::take_edge);
	}
}