/* @vitest-environment jsdom */

import { act, fireEvent, render, screen, waitFor } from '@testing-library/react';
import userEvent from '@testing-library/user-event';
import { afterEach, describe, expect, test, vi } from 'vitest';

import App from './App';
import { AuthUiContext } from './components/auth/AuthUiContext';
import type { PlatformEntryFlowShellProps } from './components/platform-entry';
import {
  APP_HISTORY_STATE_KEY,
  resolveInitialSelectionStageFromPath,
} from './routing/appPageRoutes';
import {
  canUseNativeHostCapability,
  resetHostRuntimeCacheForTest,
} from './services/host-bridge/hostBridge';
import { resetNativeAppHostBridgeForTest } from './services/host-bridge/nativeAppHostBridge';

const appTitleMock = vi.hoisted(() => ({
  syncAppTitle: vi.fn(),
}));

function mockMatchMedia(matches: boolean) {
  Object.defineProperty(window, 'matchMedia', {
    configurable: true,
    writable: true,
    value: vi.fn().mockImplementation((query: string) => ({
      matches,
      media: query,
      onchange: null,
      addEventListener: vi.fn(),
      removeEventListener: vi.fn(),
      addListener: vi.fn(),
      removeListener: vi.fn(),
      dispatchEvent: vi.fn(),
    })),
  });
}

vi.mock('./services/appTitle', async (importOriginal) => {
  const actual = await importOriginal<typeof import('./services/appTitle')>();
  return {
    ...actual,
    syncAppTitle: appTitleMock.syncAppTitle,
  };
});

vi.mock('./components/platform-entry/PlatformEntryFlowShell', () => ({
  PlatformEntryFlowShell: ({
    handleCustomWorldSelect,
    setSelectionStage,
    selectionStage,
  }: PlatformEntryFlowShellProps) => (
    <div>
      <div data-testid="selection-stage">{selectionStage}</div>
      <div data-testid="share-capability">
        {canUseNativeHostCapability('share.open') ? 'enabled' : 'disabled'}
      </div>
      <button
        type="button"
        onClick={() => setSelectionStage('puzzle-agent-workspace')}
      >
        打开拼图创作
      </button>
      <button
        type="button"
        onClick={() =>
          handleCustomWorldSelect(
            {
              id: 'profile-1',
              name: '潮雾列岛',
            } as Parameters<
              PlatformEntryFlowShellProps['handleCustomWorldSelect']
            >[0],
          )
        }
      >
        进入 RPG
      </button>
      <button
        type="button"
        onClick={() =>
          setSelectionStage('image-editor', {
            path: '/editor/canvas?projectid=project-from-test',
          })
        }
      >
        打开最近项目
      </button>
    </div>
  ),
}));

vi.mock('./RpgRuntimeApp', () => ({
  RpgRuntimeApp: ({ onExitRuntime }: { onExitRuntime: () => void }) => (
    <button type="button" onClick={onExitRuntime}>
      退出 RPG
    </button>
  ),
}));

function renderApp() {
  return render(
    <AuthUiContext.Provider
      value={{
        canAccessProtectedData: false,
        isHydratingSettings: false,
        isPersistingSettings: false,
        logout: vi.fn(async () => undefined),
        musicVolume: 0.6,
        openAccountModal: vi.fn(),
        openLoginModal: vi.fn(),
        openSettingsModal: vi.fn(),
        platformTheme: 'light',
        requireAuth: vi.fn(),
        setCurrentUser: vi.fn(),
        setMusicVolume: vi.fn(),
        setPlatformTheme: vi.fn(),
        settingsError: null,
        user: null,
      }}
    >
      <App />
    </AuthUiContext.Provider>,
  );
}

afterEach(() => {
  appTitleMock.syncAppTitle.mockReset();
  window.history.replaceState(null, '', '/');
  delete window.__TAURI__;
  delete window.ReactNativeWebView;
  resetHostRuntimeCacheForTest();
  resetNativeAppHostBridgeForTest();
  vi.restoreAllMocks();
});

describe('resolveInitialSelectionStageFromPath', () => {
  test('桌面端根路径进入创作主页', () => {
    expect(resolveInitialSelectionStageFromPath('/', true)).toBe(
      'creation-home',
    );
  });

  test('移动端根路径仍进入平台首页', () => {
    expect(resolveInitialSelectionStageFromPath('/', false)).toBe('platform');
  });

  test('显式创作路由保持原目标阶段', () => {
    expect(resolveInitialSelectionStageFromPath('/creation/puzzle', true)).toBe(
      'puzzle-agent-workspace',
    );
    expect(resolveInitialSelectionStageFromPath('/creation', true)).toBe(
      'creation-home',
    );
  });
});

describe('App title sync', () => {
  test('主站阶段变化会同步浏览器与宿主标题', () => {
    renderApp();

    expect(appTitleMock.syncAppTitle).toHaveBeenLastCalledWith(
      '陶泥儿 Genarrative｜游戏美术AI创作工具与美术Agent工作台',
    );

    act(() => {
      fireEvent.click(screen.getByRole('button', { name: '打开拼图创作' }));
    });

    expect(appTitleMock.syncAppTitle).toHaveBeenLastCalledWith(
      '拼图创作 - 陶泥儿',
    );
  });

  test('RPG runtime 进入和退出时同步窗口标题', async () => {
    renderApp();

    await act(async () => {
      fireEvent.click(screen.getByRole('button', { name: '进入 RPG' }));
    });

    expect(appTitleMock.syncAppTitle).toHaveBeenLastCalledWith(
      'RPG 运行中 - 陶泥儿',
    );

    await act(async () => {
      fireEvent.click(screen.getByRole('button', { name: '退出 RPG' }));
    });

    expect(appTitleMock.syncAppTitle).toHaveBeenLastCalledWith(
      '陶泥儿 Genarrative｜游戏美术AI创作工具与美术Agent工作台',
    );
  });

  test('启动时回读宿主 runtime 后刷新壳能力 UI', async () => {
    window.history.replaceState(
      null,
      '',
      '/?clientRuntime=native_app&hostShell=tauri_desktop',
    );
    window.__TAURI__ = {
      core: {
        invoke: vi.fn(async (_command, args) => {
          const request = (args as { request: { id: string } }).request;
          return {
            bridge: 'GenarrativeHostBridge',
            version: 1,
            id: request.id,
            ok: true,
            result: {
              shell: 'tauri_desktop',
              platform: 'linux',
              hostVersion: '0.1.0',
              bridgeVersion: 1,
              capabilities: ['host.getRuntime', 'share.open'],
            },
          };
        }),
      },
    };

    renderApp();

    expect(screen.getByTestId('share-capability').textContent).toBe(
      'disabled',
    );
    await screen.findByText('enabled');
    expect(screen.getByTestId('share-capability').textContent).toBe(
      'enabled',
    );
  });

  test('原生壳直达二级页面时补齐 H5 返回锚点', async () => {
    window.history.replaceState(
      null,
      '',
      '/creation/puzzle?clientRuntime=native_app&hostShell=tauri_desktop&hostCapabilities=host.events,navigation.canGoBack',
    );
    window.__TAURI__ = {
      core: {
        invoke: vi.fn(async (_command, args) => {
          const request = (args as { request: { id: string } }).request;
          return {
            bridge: 'GenarrativeHostBridge',
            version: 1,
            id: request.id,
            ok: true,
            result: {
              shell: 'tauri_desktop',
              platform: 'linux',
              hostVersion: '0.1.0',
              bridgeVersion: 1,
              capabilities: ['host.events', 'navigation.canGoBack'],
            },
          };
        }),
      },
    };

    renderApp();

    expect(screen.getByTestId('selection-stage').textContent).toBe(
      'puzzle-agent-workspace',
    );
    expect(window.location.pathname).toBe('/creation/puzzle');
    expect(window.location.search).toBe(
      '?clientRuntime=native_app&hostShell=tauri_desktop&hostCapabilities=host.events,navigation.canGoBack',
    );
    await waitFor(() => {
      expect(canUseNativeHostCapability('navigation.canGoBack')).toBe(true);
    });

    await act(async () => {
      window.history.back();
    });

    await waitFor(() => {
      expect(window.location.pathname).toBe('/');
    });
    expect(window.location.search).toBe(
      '?clientRuntime=native_app&hostShell=tauri_desktop&hostCapabilities=host.events%2Cnavigation.canGoBack',
    );
    expect(screen.getByTestId('selection-stage').textContent).toBe('platform');
  });
});

describe('App navigation history', () => {
  test('桌面端首页 URL 渲染为创作主页阶段', () => {
    mockMatchMedia(true);
    window.history.replaceState(null, '', '/');

    renderApp();

    expect(screen.getByTestId('selection-stage').textContent).toBe(
      'creation-home',
    );
  });

  test('缺少 projectid 的项目画布直达会替换回创作页', () => {
    window.history.replaceState(null, '', '/editor/canvas');
    const replaceStateSpy = vi.spyOn(window.history, 'replaceState');

    renderApp();

    expect(screen.getByTestId('selection-stage').textContent).toBe(
      'creation-home',
    );
    expect(window.location.pathname).toBe('/creation');
    expect(window.location.search).toBe('');
    expect(replaceStateSpy).toHaveBeenCalledWith(
      { [APP_HISTORY_STATE_KEY]: true },
      '',
      '/creation',
    );

    replaceStateSpy.mockRestore();
  });

  test('带 projectid 的项目画布直达保持编辑器阶段', () => {
    mockMatchMedia(false);
    window.history.replaceState(
      null,
      '',
      '/editor/canvas?projectid=project-from-url',
    );

    renderApp();

    expect(screen.getByTestId('selection-stage').textContent).toBe(
      'image-editor',
    );
    expect(window.location.pathname).toBe('/editor/canvas');
    expect(window.location.search).toBe('?projectid=project-from-url');
  });

  test('历史回到缺少 projectid 的项目画布时会替换回创作页', async () => {
    mockMatchMedia(false);
    window.history.replaceState(null, '', '/creation');

    renderApp();

    window.history.pushState(null, '', '/editor/canvas');
    await act(async () => {
      window.dispatchEvent(new PopStateEvent('popstate'));
    });

    expect(screen.getByTestId('selection-stage').textContent).toBe(
      'creation-home',
    );
    expect(window.location.pathname).toBe('/creation');
    expect(window.location.search).toBe('');
  });

  test('项目画布导航只写入一次带 projectid 的历史记录', async () => {
    mockMatchMedia(true);
    window.history.replaceState(null, '', '/creation');
    const pushStateSpy = vi.spyOn(window.history, 'pushState');
    const user = userEvent.setup();

    renderApp();

    await user.click(screen.getByRole('button', { name: '打开最近项目' }));

    await waitFor(() => {
      expect(window.location.pathname).toBe('/editor/canvas');
      expect(window.location.search).toBe('?projectid=project-from-test');
    });
    expect(pushStateSpy).toHaveBeenCalledTimes(1);
    expect(pushStateSpy).toHaveBeenCalledWith(
      { [APP_HISTORY_STATE_KEY]: true },
      '',
      '/editor/canvas?projectid=project-from-test',
    );

    window.history.back();
    await waitFor(() => {
      expect(window.location.pathname).toBe('/creation');
      expect(window.location.search).toBe('');
    });

    pushStateSpy.mockRestore();
  });
});