import { normalizeInputPreferences, type InputPreferences } from "./keybinds";

// Kept independent of React, account storage and gameplay stores. The profile store
// publishes changes here so shell menus, native input and the simulation agree.
let preferences = normalizeInputPreferences(null);
let capturing = false;
const listeners = new Set<() => void>();
export function getInputPreferences(): InputPreferences { return preferences; }
export function publishInputPreferences(next: InputPreferences): void {
  if (preferences === next) return;
  preferences = next;
  for (const listener of listeners) listener();
}
export function subscribeInputPreferences(listener: () => void): () => void {
  listeners.add(listener); return () => { listeners.delete(listener); };
}
export function isCapturingInput(): boolean { return capturing; }
export function setCapturingInput(value: boolean): void { capturing = value; }
export function controllerModifierTokens(): Set<string> {
  return new Set(Object.values(preferences.controller).flatMap((key) => key?.split("&").slice(0, -1) ?? []));
}