use std::fmt::Debug;
use bevy::prelude::{Mut, Ref};
use serde::{Deserialize, Serialize};
use serde::de::DeserializeOwned;
use crate::prelude::DetectChanges;

#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct WasUpdated<T: Clone + Serialize + Debug>(T, bool);
impl<T: Clone + Serialize + DeserializeOwned + Debug> From<Ref<'_, T>> for WasUpdated<T> {
    fn from(value: Ref<T>) -> Self {
        let changed = value.is_changed();
        Self(value.into_inner().clone(), changed)
    }
}
impl<T: Clone + Serialize + DeserializeOwned + Debug> WasUpdated<T> {
    pub fn update(&self, mut data: Mut<T>) {
        if self.1 {
            *data = self.0.clone();
        }
    }
    pub fn data(&self) -> &T {
        &self.0
    }
}