import { act, cleanup, fireEvent, render, screen, waitFor } from '@testing-library/react';
import { createMemoryRouter, RouterProvider } from 'react-router-dom';
import { afterEach, beforeEach, expect, it, vi } from 'vitest';
import { ModuleSelection } from '@/pages/ModuleSelection';
import CloudAgents from '@/pages/CloudAgents';
import { EMPTY_CLOUD_CONFIGURATION, type CloudAgentDraft, type CloudRecent } from '../../shared/cloud-agents';

const api = vi.hoisted(() => ({ list: vi.fn(), create: vi.fn(), uploadAvatar: vi.fn(), get: vi.fn(), save: vi.fn(), call: vi.fn(), events: vi.fn(), recovery: vi.fn(), remember: vi.fn(), resolvePending: vi.fn() }));
const auth = vi.hoisted(() => ({
  user: { userId: 'creator', username: 'creator' },
  moduleAccess: { programming: true, design: true, robot: true, cloud_agents: true },
  isAuthenticated: () => true,
}));
vi.mock('@/lib/cloud-agents-api', () => ({ cloudAgentsApi: api }));
vi.mock('@/stores/auth', () => ({ useAuthStore: (selector: (state: typeof auth) => unknown) => selector(auth) }));
vi.mock('@/hooks/use-current-user-profile', () => ({ useCurrentUserProfile: () => ({ userProfile: undefined, profileRequired: false, profileSyncError: null }) }));
vi.mock('@/components/profile/UserProfileDialog', () => ({ UserProfileDialog: () => null }));
vi.mock('@/pages/CloudAgents/DraftEditor', () => ({
  DraftEditor: ({ initial, entryView, recent }: { initial: CloudAgentDraft; entryView?: string; recent: CloudRecent | null }) =>
    <div data-testid="entry-editor" data-entry-view={entryView ?? 'restored'} data-thread={recent?.thread_id}>{initial.name}</div>,
}));
vi.mock('@/pages/CloudAgents/CloudChat', () => ({ CloudChat: ({ slug }: { slug: string }) => <div data-testid="entry-chat">{slug}</div> }));
vi.mock('@/pages/CloudAgents/ChannelAccounts', () => ({ ChannelAccounts: () => <div>微信渠道页面</div> }));

const draft: CloudAgentDraft = {
  slug: 'ml-' + 'a'.repeat(32), name: '学习朋友', purpose: '一起探索新知识', system_prompt: '回答问题',
  draft_revision: 4, updated_at: '2026-10-12T00:00:00Z', configuration: EMPTY_CLOUD_CONFIGURATION,
  published_version: 2, enabled: true,
};
const recent: CloudRecent = { slug: draft.slug, thread_id: 'recent-thread', mode: 'published' };
const pending = { id: 'pending-message', operation: 'submit', input: { query: '上次的问题' }, created_at: '2026-10-12T00:00:00Z' };

function open(entry = '/module-select') {
  const router = createMemoryRouter([
    { path: '/module-select', element: <ModuleSelection /> },
    { path: '/cloud-agents/*', element: <CloudAgents /> },
  ], { initialEntries: [entry] });
  render(<RouterProvider router={router} />);
  return router;
}

beforeEach(() => {
  vi.resetAllMocks();
  api.list.mockResolvedValue({ agents: [draft], next_cursor: null });
  api.get.mockResolvedValue(draft);
  api.recovery.mockResolvedValue({ recent, pending: [pending] });
  api.remember.mockResolvedValue({ saved: true });
});
afterEach(cleanup);

it('opens the card list from the home Agents choice without changing the remembered workspace', async () => {
  const router = open();
  fireEvent.click(screen.getByTestId('ai-module-option-cloud_agents'));

  expect(await screen.findByRole('article', { name: draft.name })).toBeVisible();
  expect(await screen.findByRole('complementary', { name: '未确认的云端操作' })).toHaveTextContent('上次的问题');
  expect(router.state.location.pathname + router.state.location.search).toBe('/cloud-agents?view=mine');
  expect(screen.queryByTestId('entry-editor')).not.toBeInTheDocument();
  expect(api.get).not.toHaveBeenCalled();
  expect(api.remember).not.toHaveBeenCalled();
  expect(api.resolvePending).not.toHaveBeenCalled();
});

it('opens an available Agent conversation only after its card is selected', async () => {
  open();
  fireEvent.click(screen.getByTestId('ai-module-option-cloud_agents'));
  fireEvent.click(await screen.findByRole('button', { name: '和它聊聊', exact: true }));

  expect(await screen.findByTestId('entry-editor')).toHaveAttribute('data-entry-view', 'chat');
  expect(screen.getByTestId('entry-editor')).not.toHaveAttribute('data-thread');
  expect(api.call).not.toHaveBeenCalled();
});

it('does not replace an explicitly opened draft when recovery arrives late', async () => {
  let resolveRecovery!: (value: { recent: CloudRecent; pending: typeof pending[] }) => void;
  api.recovery.mockReturnValue(new Promise(resolve => { resolveRecovery = resolve; }));
  api.list.mockResolvedValue({ agents: [{ ...draft, published_version: null }], next_cursor: null });
  open();
  fireEvent.click(screen.getByTestId('ai-module-option-cloud_agents'));
  fireEvent.click(await screen.findByRole('button', { name: '继续制作', exact: true }));
  expect(screen.getByTestId('entry-editor')).toHaveAttribute('data-entry-view', 'configuration');

  await act(async () => resolveRecovery({ recent: { ...recent, slug: 'ml-' + 'b'.repeat(32) }, pending: [pending] }));
  expect(screen.getByTestId('entry-editor')).toHaveTextContent(draft.name);
  expect(screen.getByTestId('entry-editor')).toHaveAttribute('data-entry-view', 'configuration');
  expect(api.get).not.toHaveBeenCalled();
  expect(api.remember).not.toHaveBeenCalled();
});

it('preserves remembered conversation recovery for a direct workspace entry', async () => {
  open('/cloud-agents');
  expect(await screen.findByTestId('entry-editor')).toHaveAttribute('data-thread', 'recent-thread');
  expect(api.get).toHaveBeenCalledWith(draft.slug);
  expect(api.remember).not.toHaveBeenCalled();
});

it('returns from a remembered workspace to the explicit card list without erasing history', async () => {
  const router = open('/cloud-agents');
  await screen.findByTestId('entry-editor');
  api.get.mockClear();
  await act(async () => { await router.navigate('/cloud-agents?view=mine'); });

  expect(await screen.findByRole('article', { name: draft.name })).toBeVisible();
  await waitFor(() => expect(api.recovery).toHaveBeenCalledTimes(2));
  expect(screen.queryByTestId('entry-editor')).not.toBeInTheDocument();
  expect(api.get).not.toHaveBeenCalled();
  expect(api.remember).not.toHaveBeenCalled();
});

it('preserves explicit shared Agent links instead of reopening the remembered owner draft', async () => {
  const sharedSlug = 'ml-' + 'b'.repeat(32);
  api.call.mockResolvedValue({ slug: sharedSlug, name: '分享朋友', purpose: '', available: true });
  open(`/cloud-agents/shared/${sharedSlug}`);
  expect(await screen.findByTestId('entry-chat')).toHaveTextContent(sharedSlug);
  expect(api.call).toHaveBeenCalledWith('entry', { slug: sharedSlug });
  expect(api.get).not.toHaveBeenCalled();
  expect(api.remember).not.toHaveBeenCalled();
});

it('preserves explicit channel links', async () => {
  open('/cloud-agents/channels');
  expect(screen.getByText('微信渠道页面')).toBeVisible();
  expect(api.recovery).not.toHaveBeenCalled();
  expect(api.list).not.toHaveBeenCalled();
});