import { useState, useEffect } from "react";
import * as SecureStore from "expo-secure-store";

export interface Settings {
  homeView: "dashboard" | "capture";
  inputMode: "form" | "voice";
  onboardingDone: boolean;
}

const DEFAULTS: Settings = {
  homeView: "dashboard",
  inputMode: "form",
  onboardingDone: false,
};

export function useSettings() {
  const [settings, setSettings] = useState<Settings>(DEFAULTS);
  const [ready, setReady] = useState(false);

  useEffect(() => {
    (async () => {
      const [hv, im, od] = await Promise.all([
        SecureStore.getItemAsync("pref_home_view"),
        SecureStore.getItemAsync("pref_input_mode"),
        SecureStore.getItemAsync("onboarding_done"),
      ]);
      setSettings({
        homeView: (hv as Settings["homeView"]) ?? DEFAULTS.homeView,
        inputMode: (im as Settings["inputMode"]) ?? DEFAULTS.inputMode,
        onboardingDone: od === "true",
      });
      setReady(true);
    })();
  }, []);

  return { settings, ready };
}