use hurrycurry_protocol::glam::Vec2;
use std::{collections::HashMap, hash::Hash};

// TODO stub implementation. please implement
pub struct SpatialIndex<T> {
    entries: HashMap<T, Vec2>,
}

impl<T: Eq + Hash + Copy> SpatialIndex<T> {
    pub fn update_entry(&mut self, id: T, position: Vec2) {
        self.entries.insert(id, position);
    }
    pub fn remove_entry(&mut self, id: T) {
        self.entries.remove(&id);
    }
    pub fn all(&self, mut cb: impl FnMut(T, Vec2)) {
        for (&e, &pos) in &self.entries {
            cb(e, pos)
        }
    }
    pub fn query(&self, _position: Vec2, _radius: f32, cb: impl FnMut(T, Vec2)) {
        self.all(cb)
    }
}
impl<T> Default for SpatialIndex<T> {
    fn default() -> Self {
        Self {
            entries: Default::default(),
        }
    }
}