import { beforeEach, describe, test } from 'node:test';
import assert from 'node:assert';
import { KeyValueStore, KV_KEY_PREFIX } from '../src/platform/storage.js';

describe('KeyValueStore namespacing', () => {
  beforeEach(() => {
    localStorage.clear();
  });

  test('isolates values by provider name', async () => {
    const configStore = new KeyValueStore('config', 'localStorage');
    const securityStore = new KeyValueStore('security.basic', 'localStorage');

    await configStore.set('theme.mode', 'dark');
    await securityStore.set('security.basic.session', { user_id: 'u1' });

    assert.strictEqual(await configStore.get('theme.mode'), 'dark');
    assert.deepStrictEqual(await securityStore.get('security.basic.session'), { user_id: 'u1' });
    assert.strictEqual(await configStore.get('security.basic.session', null), null);

    assert.strictEqual(
      localStorage.getItem(`${KV_KEY_PREFIX}config:theme.mode`),
      JSON.stringify('dark')
    );
    assert.strictEqual(
      localStorage.getItem(`${KV_KEY_PREFIX}security.basic:security.basic.session`),
      JSON.stringify({ user_id: 'u1' })
    );
  });

  test('clear removes only keys owned by the provider', async () => {
    const configStore = new KeyValueStore('config', 'localStorage');
    const securityStore = new KeyValueStore('security.basic', 'localStorage');

    await configStore.set('theme.mode', 'dark');
    await securityStore.set('security.basic.session', { user_id: 'u1' });

    await configStore.clear();

    assert.strictEqual(await configStore.get('theme.mode', null), null);
    assert.deepStrictEqual(await securityStore.get('security.basic.session'), { user_id: 'u1' });
  });

  test('config provider reads legacy flat keys as fallback', async () => {
    localStorage.setItem('theme.mode', JSON.stringify('light'));

    const configStore = new KeyValueStore('config', 'localStorage');
    assert.strictEqual(await configStore.get('theme.mode'), 'light');
  });
});