import { act, render, screen, waitFor } from '@testing-library/react';
import { beforeEach, describe, expect, it, vi } from 'vitest';
import { MemoryRouter, Outlet } from 'react-router-dom';
import App from '@/App';
import { useAuthStore } from '@/stores/auth';
import { useProviderStore } from '@/stores/providers';
import { useSettingsStore } from '@/stores/settings';
import { useUserSyncStore } from '@/stores/user-sync';
import { codingWorkspaceStore } from '@/stores/coding-workspace';
import { useProjectConfigStore } from '@/stores/project-config';
import { createCodingProjectConfigV2 } from '@electron/coding-projects/project-config';

vi.mock('@/components/layout/MainLayout', () => ({
  MainLayout: () => (
    <div data-testid="main-layout">
      <Outlet />
    </div>
  ),
}));

vi.mock('@/pages/AiHardware', () => ({
  AiHardware: () => <div>Robot workspace</div>,
}));

vi.mock('@/pages/ImageCanvas', () => ({
  ImageCanvas: () => <div>Canvas workspace</div>,
}));

vi.mock('@/pages/Chat', () => ({
  Chat: () => <div>Programming workspace</div>,
}));

vi.mock('@/pages/ModuleSelection', () => ({
  ModuleSelection: () => <div>Module chooser</div>,
}));

vi.mock('@/pages/Login', () => ({
  Login: () => <div data-testid="login-surface">Login surface</div>,
}));

vi.mock('@/pages/Settings', () => ({
  Settings: () => <div>Global settings</div>,
}));

describe('App programming provider initialization gate', () => {
  const initProviders = vi.fn();
  const project = {
    id: 'local-project',
    name: 'Local project',
    createdAt: '2026-09-06T00:00:00.000Z',
    updatedAt: '2026-09-06T00:00:00.000Z',
    lastOpenedAt: '2026-09-06T00:00:00.000Z',
  };

  beforeEach(() => {
    vi.clearAllMocks();
    useSettingsStore.setState({
      setupComplete: true,
      init: vi.fn(),
    });
    useProviderStore.setState({ init: initProviders });
    codingWorkspaceStore.setState({
      activeProjectId: project.id,
      activeProject: project,
      load: vi.fn().mockResolvedValue(undefined),
    });
    useProjectConfigStore.setState({
      load: vi.fn().mockResolvedValue({
        status: 'valid',
        config: { ...createCodingProjectConfigV2(), initialized: false },
        knowledgeFiles: [],
      }),
    });
    useAuthStore.setState({
      initialized: true,
      accessToken: 'access-token',
      expiresAt: Date.now() + 60_000,
      user: {
        username: 'robot-tester',
        userId: '1',
        tenantId: null,
        deptId: null,
        authorities: [],
      },
      moduleAccess: {
        programming: true,
        design: true,
        robot: true,
      },
      init: vi.fn(),
    });
    useUserSyncStore.setState({ bootstrap: vi.fn().mockResolvedValue(undefined) });
  });

  async function renderAt(pathname: string) {
    render(
      <MemoryRouter initialEntries={[pathname]}>
        <App />
      </MemoryRouter>,
    );
    await waitFor(() => expect(useSettingsStore.getState().init).toHaveBeenCalled());
  }

  it.each(['/ai-hardware', '/image-canvas', '/module-select'])(
    'does not initialize programming providers at %s',
    async (pathname) => {
      await renderAt(pathname);

      expect(initProviders).not.toHaveBeenCalled();
    },
  );

  it('initializes programming providers at the explicit programming route', async () => {
    await renderAt('/chat');

    await waitFor(() => expect(initProviders).toHaveBeenCalledTimes(1));
  });

  it('opens a valid project without requiring the legacy initialized flag', async () => {
    await renderAt('/chat');

    expect(await screen.findByText('Programming workspace')).toBeInTheDocument();
    expect(screen.queryByText('项目尚未初始化')).not.toBeInTheDocument();
  });

  it('redirects the retired inspiration route to the Canvas workspace', async () => {
    await renderAt('/image-prompts/example');

    expect(await screen.findByText('Canvas workspace')).toBeInTheDocument();
    expect(screen.queryByText('Module chooser')).not.toBeInTheDocument();
    expect(initProviders).not.toHaveBeenCalled();
  });

  it('redirects an orphaned token without a user identity away from a direct workspace route', async () => {
    useAuthStore.setState({
      initialized: true,
      accessToken: 'orphaned-access-token',
      expiresAt: Date.now() + 60_000,
      user: null,
    });

    await renderAt('/chat');

    expect(await screen.findByTestId('login-surface')).toBeInTheDocument();
    expect(screen.queryByTestId('main-layout')).not.toBeInTheDocument();
    expect(initProviders).not.toHaveBeenCalled();
  });

  it('waits for the startup module policy before initializing programming providers', async () => {
    useAuthStore.setState({
      initialized: false,
      moduleAccess: {
        programming: true,
        design: true,
        robot: true,
      },
    });

    await renderAt('/chat');

    expect(initProviders).not.toHaveBeenCalled();

    act(() => {
      useAuthStore.setState({
        initialized: true,
        moduleAccess: {
          programming: false,
          design: true,
          robot: true,
        },
      });
    });

    expect(await screen.findByText('Module chooser')).toBeInTheDocument();
    expect(initProviders).not.toHaveBeenCalled();
  });

  it.each([
    ['/chat', 'programming'],
    ['/workbench/project-1', 'programming'],
    ['/chat', 'programming'],
    ['/image-canvas', 'design'],
    ['/image-prompts/example', 'design'],
    ['/ai-hardware', 'robot'],
    ['/ai-hardware/device-1', 'robot'],
  ] as const)('redirects disabled %s routes before mounting their module', async (pathname, accessKey) => {
    useAuthStore.setState({
      moduleAccess: {
        programming: true,
        design: true,
        robot: true,
        [accessKey]: false,
      },
    });

    await renderAt(pathname);

    expect(await screen.findByText('Module chooser')).toBeInTheDocument();
    expect(screen.queryByTestId('main-layout')).not.toBeInTheDocument();
    if (accessKey === 'programming') {
      expect(initProviders).not.toHaveBeenCalled();
    }
  });

  it.each(['/learning', '/learning/project/project-1'])(
    'redirects retired Learning route %s to the module chooser',
    async (pathname) => {
      await renderAt(pathname);

      expect(await screen.findByText('Module chooser')).toBeInTheDocument();
      expect(screen.queryByTestId('main-layout')).not.toBeInTheDocument();
      expect(initProviders).not.toHaveBeenCalled();
    },
  );

  it('keeps global settings available when Programming is disabled', async () => {
    useAuthStore.setState({
      moduleAccess: {
        programming: false,
        design: true,
        robot: true,
      },
    });

    await renderAt('/settings');

    expect(await screen.findByText('Global settings')).toBeInTheDocument();
    expect(screen.queryByText('Module chooser')).not.toBeInTheDocument();
    expect(screen.getByTestId('main-layout')).toBeInTheDocument();
    await waitFor(() => expect(initProviders).toHaveBeenCalledTimes(1));
  });
});