import { afterEach, describe, expect, it, vi } from 'vitest';

import {
  isFavorite,
  readWorkspaceState,
  recordRecent,
  removeSavedView,
  saveCurrentView,
  toggleFavorite,
  WORKSPACE_EVENT,
} from '../../src/operatorWorkspace';

afterEach(() => {
  window.localStorage.clear();
  vi.restoreAllMocks();
});

describe('operator workspace preferences', () => {
  it('toggles favorites without duplicating the same path', () => {
    expect(toggleFavorite('Cache pool', '/pools/cache?range=24h')).toBe(true);
    expect(isFavorite('/pools/cache?range=24h')).toBe(true);
    expect(readWorkspaceState().favorites).toHaveLength(1);

    expect(toggleFavorite('Cache pool', '/pools/cache?range=24h')).toBe(false);
    expect(isFavorite('/pools/cache?range=24h')).toBe(false);
    expect(readWorkspaceState().favorites).toHaveLength(0);
  });

  it('persists a saved view and removes it by exact route context', () => {
    saveCurrentView('Degraded services', '/services?state=degraded&range=24h');
    expect(readWorkspaceState().views).toEqual([
      expect.objectContaining({ label: 'Degraded services', path: '/services?state=degraded&range=24h', kind: 'view' }),
    ]);

    removeSavedView('/services?state=degraded&range=24h');
    expect(readWorkspaceState().views).toHaveLength(0);
  });

  it('keeps recent routes bounded, unique and excludes the 404 surface', () => {
    recordRecent('Missing', '/404');
    for (let index = 0; index < 15; index += 1) recordRecent('Item ' + index, '/inventory/' + index);
    recordRecent('Item 14 updated', '/inventory/14');

    const recent = readWorkspaceState().recent;
    expect(recent).toHaveLength(12);
    expect(recent[0]).toMatchObject({ label: 'Item 14 updated', path: '/inventory/14', kind: 'recent' });
    expect(recent.filter((item) => item.path === '/inventory/14')).toHaveLength(1);
    expect(recent.some((item) => item.path === '/404')).toBe(false);
  });

  it('fails closed on malformed storage and emits a workspace change event on writes', () => {
    window.localStorage.setItem('pulse.operator.workspace.v1', '{bad json');
    expect(readWorkspaceState()).toEqual({ favorites: [], views: [], recent: [] });

    const listener = vi.fn();
    window.addEventListener(WORKSPACE_EVENT, listener);
    saveCurrentView('Overview', '/');
    window.removeEventListener(WORKSPACE_EVENT, listener);
    expect(listener).toHaveBeenCalledTimes(1);
  });
});