import type { Store } from '@tauri-apps/plugin-store';

let storePromise: Promise<Store> | null = null;

const isTauri = () =>
  typeof window !== 'undefined' && Boolean((window as typeof window & { __TAURI__?: unknown }).__TAURI__);

async function getStore(): Promise<Store> {
  if (!storePromise) {
    const { load } = await import('@tauri-apps/plugin-store');
    storePromise = load('store.json', {
      autoSave: false,
      defaults: {},
    });
  }
  return storePromise;
}

export function useStore() {
  const setValue = async <T>(key: string, value: T) => {
    console.log('setValue',key,value);
    if (isTauri()) {
      const store = await getStore();
      await store.set(key, value);
      await store.save();
      return;
    }
    localStorage.setItem(key, JSON.stringify(value));
  };

  const getValue = async <T>(key: string) => {
    console.log('getValue',key);
    if (isTauri()) {
      const store = await getStore();
      return store.get<T>(key);
    }
    const rawValue = localStorage.getItem(key);
    if (rawValue === null) return null;
    try {
      return JSON.parse(rawValue) as T;
    } catch {
      return null;
    }
  };

  return {
    setValue,
    getValue,
  };
}