import { DataStore, StoreState } from "./data-store.mjs";
import { AnyRouteContext, RouteContext } from "./context.mjs";
import { ReadableAtom } from "nanostores";

//#region src/stores.d.ts
type PluginStores = Readonly<Record<string, DataStore<any>>>;
declare const REF_VALUE: unique symbol;
/** Published store handle; apps see `$name`, other plugins resolve via {@link StoreRegistry}. */
type StoreRef<Value> = {
  readonly name: string;
  readonly [REF_VALUE]?: Value;
};
declare function storeRef<Value>(name: string): StoreRef<Value>;
type StoreRegistry = {
  get<Value>(ref: StoreRef<Value>): DataStore<Value> | undefined;
};
type EffectTrigger = "data" | "write";
type StoreEffect = {
  readonly ref: StoreRef<unknown>;
  readonly run: (state: never, ctx: AnyRouteContext) => void;
  readonly when: EffectTrigger;
};
/** Defaults to `when: "data"` so pending/error flips do not re-run the effect. */
declare function effect<Value>(ref: StoreRef<Value>, run: (state: StoreState<Value>, ctx: RouteContext) => void, options?: {
  when?: EffectTrigger;
}): StoreEffect;
declare function currentData<Value>(ctx: AnyRouteContext, ref: StoreRef<Value>): Value | undefined;
//#endregion
export { EffectTrigger, PluginStores, StoreEffect, StoreRef, StoreRegistry, currentData, effect, storeRef };