jest.mock('@react-native-async-storage/async-storage', () => {
  const storage = new Map<string, string>();

  return {
    __esModule: true,
    default: {
      getItem: jest.fn((key: string) => Promise.resolve(storage.get(key) ?? null)),
      removeItem: jest.fn((key: string) => {
        storage.delete(key);
        return Promise.resolve();
      }),
      setItem: jest.fn((key: string, value: string) => {
        storage.set(key, value);
        return Promise.resolve();
      }),
    },
  };
});

import { createPersistOptions } from '../src/state/createPersistOptions';

type TestState = {
  hydrated: boolean;
  transientValue: string;
};

describe('createPersistOptions', () => {
  it('creates named options with JSON storage and preserves extra options', () => {
    const options = createPersistOptions<TestState, Pick<TestState, 'hydrated'>>({
      name: 'test-state',
      partialize: state => ({ hydrated: state.hydrated }),
      version: 2,
    });

    expect(options.name).toBe('test-state');
    expect(options.version).toBe(2);
    expect(options.storage).toBeDefined();
    expect(options.partialize?.({ hydrated: true, transientValue: 'skip' })).toEqual(
      {
        hydrated: true,
      },
    );
  });
});