use std::{cell::OnceCell, sync::OnceLock};

use giterated_abi::state::{DomainState, State, StateItem};
use giterated_core::DomainMetadata;

struct RuntimeDomainState {
    pub metadata: DomainMetadata,
}

unsafe impl Send for RuntimeDomainState {}
unsafe impl Sync for RuntimeDomainState {}

static RUNTIME_DOMAIN_STATE: OnceLock<State> = OnceLock::new();

/// Sources a [`DomainState`] state entry for the application hosting the runtime.
pub fn runtime_domain_state() -> DomainState {
    DomainState(RUNTIME_DOMAIN_STATE.get().unwrap())
}