window.GDD = window.GDD || {};

/* Simple pub/sub state store — Zustand-like for prototype */
window.GDD.createStore = function createStore(initialState) {
  let state = { ...initialState };
  const listeners = new Set();

  return {
    getState: () => ({ ...state }),
    setState: (partial) => {
      const next = typeof partial === 'function' ? partial(state) : partial;
      state = { ...state, ...next };
      listeners.forEach(fn => fn(state));
    },
    subscribe: (fn) => {
      listeners.add(fn);
      return () => listeners.delete(fn);
    }
  };
};

/* App-level store */
window.GDD.appStore = window.GDD.createStore({
  currentPage: 'overview',
  sidebarCollapsed: false,
  sidebarOpen: false, // mobile
  connected: true,
  playerName: 'Captain Riker',
  playerCredits: 125000,
});