use crate::{Event, EventCtx, EventLike, EventManager, HasEvents, HasUi, IdLike};

pub trait HasRsc: Sized + 'static {
    type Rsc: HasEvents<State = Self> + HasUi;
    fn rsc(&self) -> &Self::Rsc;
    fn rsc_mut(&mut self) -> &mut Self::Rsc;

    fn run_event<E: EventLike>(&mut self, id: impl IdLike, data: &mut <E::Event as Event>::Data<'_>)
    where
        Self: 'static,
    {
        let f = self.rsc_mut().events().get_type::<E>().run_fn(id);
        f(EventCtx { state: self, data })
    }

    fn events(&mut self) -> &mut EventManager<Self> {
        self.rsc_mut().events()
    }
}

impl<R: HasRsc> HasUi for R {
    fn ui_ref(&self) -> &crate::Ui {
        self.rsc().ui_ref()
    }

    fn ui(&mut self) -> &mut crate::Ui {
        self.rsc_mut().ui()
    }
}