import { beforeEach, describe, expect, it, vi } from 'vitest';
import { clearStoredApiKey, getStoredApiKey, setStoredApiKey } from './auth';

describe('API key storage', () => {
  beforeEach(() => {
    window.localStorage.clear();
  });

  it('stores and reads the API key from local storage', () => {
    setStoredApiKey('write-secret');

    expect(getStoredApiKey()).toBe('write-secret');
    expect(window.localStorage.getItem('ctv-api-key')).toBe('write-secret');
  });

  it('trims blank API keys and clears storage', () => {
    setStoredApiKey('   ');

    expect(getStoredApiKey()).toBeNull();
    expect(window.localStorage.getItem('ctv-api-key')).toBeNull();
  });

  it('clears a stored API key', () => {
    setStoredApiKey('write-secret');

    clearStoredApiKey();

    expect(getStoredApiKey()).toBeNull();
  });

  it('ignores unavailable local storage when reading the API key', () => {
    const localStorageGetter = vi
      .spyOn(window, 'localStorage', 'get')
      .mockImplementation(() => {
        throw new Error('localStorage unavailable');
      });

    expect(getStoredApiKey()).toBeNull();

    localStorageGetter.mockRestore();
  });
});