import AsyncStorage from "@react-native-async-storage/async-storage";
import { create } from "zustand";
import { createJSONStorage, persist } from "zustand/middleware";

export type NotificationPrefs = {
  sms: boolean;
  email: boolean;
  push: boolean;
  orderUpdates: boolean;
  refillReminders: boolean;
  marketing: boolean;
};

type PrefsState = NotificationPrefs & {
  setPref: <K extends keyof NotificationPrefs>(key: K, value: NotificationPrefs[K]) => void;
  setMany: (patch: Partial<NotificationPrefs>) => void;
};

const defaults: NotificationPrefs = {
  sms: true,
  email: true,
  push: true,
  orderUpdates: true,
  refillReminders: true,
  marketing: false,
};

export const usePrefsStore = create<PrefsState>()(
  persist(
    (set) => ({
      ...defaults,
      setPref: (key, value) => set({ [key]: value } as Partial<PrefsState>),
      setMany: (patch) => set(patch),
    }),
    {
      name: "gishen-prefs",
      storage: createJSONStorage(() => AsyncStorage),
    }
  )
);