import { BaseDirectory, appConfigDir } from '@tauri-apps/api/path';
import { removeFile } from '@tauri-apps/plugin-fs';
import { Stronghold } from '@tauri-apps/plugin-stronghold';

const dir = await appConfigDir();

export function useSecureStorage() {
  async function getClient(stronghold: Stronghold) {
    try {
      return await stronghold.loadClient('lume');
    } catch {
      return await stronghold.createClient('lume');
    }
  }

  const save = async (key: string, value: string, password: string) => {
    const stronghold = await Stronghold.load(`${dir}/lume.stronghold`, password);
    const client = await getClient(stronghold);
    const store = client.getStore();
    await store.insert(key, Array.from(new TextEncoder().encode(value)));
    return await stronghold.save();
  };

  const load = async (key: string, password: string) => {
    const stronghold = await Stronghold.load(`${dir}/lume.stronghold`, password);
    const client = await getClient(stronghold);
    const store = client.getStore();
    const value = await store.get(key);
    const decoded = new TextDecoder().decode(new Uint8Array(value));
    return decoded;
  };

  const reset = async () => {
    return await removeFile('lume.stronghold', { dir: BaseDirectory.AppConfig });
  };

  return { save, load, reset };
}