use std::error::Error;

use serde::de::DeserializeOwned;
use serde::{Deserialize, Serialize};

#[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
pub struct CoreTickInput<W, A> {
    pub world: W,
    pub actions: Vec<A>,
}

#[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
pub struct CoreTickOutput<W> {
    pub world: W,
}

pub trait Core {
    type World: Serialize + DeserializeOwned;
    type Action: Serialize + DeserializeOwned;
    type Error: Error + Send + Sync + 'static;

    fn tick(
        &mut self,
        input: CoreTickInput<Self::World, Self::Action>,
    ) -> Result<CoreTickOutput<Self::World>, Self::Error>;
}