use iris::prelude::*;

#[derive(Clone, Copy, WidgetView)]
struct Test {
    #[root]
    root: WeakWidget<Rect>,
    cur: WeakState<bool>,
}

impl Test {
    pub fn new<State>(rsc: &mut StdRsc<State>) -> Self {
        let root = rect(PaintId::RED).add(rsc);
        let cur = rsc.create_state(root, false);
        Self { root, cur }
    }
    pub fn toggle<State>(&self, rsc: &mut StdRsc<State>) {
        let cur = &mut rsc[self.cur];
        *cur = !*cur;
        if *cur {
            rsc[self.root].set_paint(PaintId::BLUE);
        } else {
            rsc[self.root].set_paint(PaintId::RED);
        }
    }
}

pub(crate) fn build<State>(rsc: &mut StdRsc<State>, ui_state: &mut impl HasRoot<StdRsc<State>>)
where
    State: FocusHost,
{
    let test = Test::new(rsc);
    test.on(CursorSense::click(), move |_, rsc| {
        test.toggle(rsc);
    })
    .set_root(rsc, ui_state);
}