// @vitest-environment node

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

const mocks = vi.hoisted(() => ({
  appendMessage: vi.fn(),
  setActiveRun: vi.fn(),
  clearActiveRun: vi.fn(),
  extractBrowserOpenIntent: vi.fn(),
  openUrlInBrowser: vi.fn(),
  appendTranscriptLine: vi.fn(),
  logger: {
    error: vi.fn(),
  },
}));

vi.mock('../electron/gateway/session-store', () => ({
  sessionStore: {
    appendMessage: mocks.appendMessage,
    setActiveRun: mocks.setActiveRun,
    clearActiveRun: mocks.clearActiveRun,
  },
}));

vi.mock('@electron/service/browser-open-service', () => ({
  extractBrowserOpenIntent: mocks.extractBrowserOpenIntent,
  openUrlInBrowser: mocks.openUrlInBrowser,
}));

vi.mock('@electron/utils/token-usage-writer', () => ({
  appendTranscriptLine: mocks.appendTranscriptLine,
}));

vi.mock('@electron/service/logger', () => ({
  default: mocks.logger,
}));

function flushAsyncTasks(): Promise<void> {
  return new Promise((resolve) => {
    setTimeout(resolve, 0);
  });
}

describe('gateway browser shortcut', () => {
  beforeEach(() => {
    vi.resetModules();
    vi.clearAllMocks();
    mocks.extractBrowserOpenIntent.mockImplementation((text: string) => (
      text === '打开 http://www.baidu.com'
        ? { url: 'http://www.baidu.com/' }
        : null
    ));
  });

  it('starts a browser-open run and emits a final assistant message on success', async () => {
    mocks.openUrlInBrowser.mockResolvedValue({
      url: 'http://www.baidu.com/',
      pageUrl: 'http://www.baidu.com/',
      title: '百度一下，你就知道',
    });

    const { maybeHandleBrowserOpenMessage } = await import('../electron/gateway/browser-shortcut');
    const broadcast = vi.fn();

    const handled = maybeHandleBrowserOpenMessage(
      'agent:test:main',
      'run-1',
      { role: 'user', content: '打开 http://www.baidu.com' },
      broadcast,
    );

    expect(handled).toBe(true);
    expect(mocks.setActiveRun).toHaveBeenCalledWith(
      'agent:test:main',
      'run-1',
      expect.any(AbortController),
    );

    await flushAsyncTasks();

    expect(mocks.openUrlInBrowser).toHaveBeenCalledWith(
      'http://www.baidu.com/',
      expect.objectContaining({ signal: expect.any(AbortSignal) }),
    );
    expect(mocks.appendMessage).toHaveBeenCalledWith(
      'agent:test:main',
      expect.objectContaining({
        role: 'assistant',
        content: '已为你打开 http://www.baidu.com/（百度一下，你就知道）',
      }),
    );
    expect(broadcast).toHaveBeenCalledWith(expect.objectContaining({
      type: 'chat:final',
      sessionKey: 'agent:test:main',
      runId: 'run-1',
    }));
  });

  it('emits a failure assistant message when browser open fails', async () => {
    mocks.openUrlInBrowser.mockRejectedValue(new Error('No browser context available'));

    const { maybeHandleBrowserOpenMessage } = await import('../electron/gateway/browser-shortcut');
    const broadcast = vi.fn();

    const handled = maybeHandleBrowserOpenMessage(
      'agent:test:main',
      'run-2',
      { role: 'user', content: '打开 http://www.baidu.com' },
      broadcast,
    );

    expect(handled).toBe(true);

    await flushAsyncTasks();

    expect(mocks.appendMessage).toHaveBeenCalledWith(
      'agent:test:main',
      expect.objectContaining({
        role: 'assistant',
        content: '打开失败：No browser context available',
      }),
    );
    expect(broadcast).toHaveBeenCalledWith(expect.objectContaining({
      type: 'chat:final',
      runId: 'run-2',
    }));
  });

  it('returns false when the user message is not an explicit browser-open command', async () => {
    mocks.extractBrowserOpenIntent.mockReturnValue(null);

    const { maybeHandleBrowserOpenMessage } = await import('../electron/gateway/browser-shortcut');

    expect(
      maybeHandleBrowserOpenMessage(
        'agent:test:main',
        'run-3',
        { role: 'user', content: '帮我总结一下百度首页' },
        vi.fn(),
      ),
    ).toBe(false);
    expect(mocks.openUrlInBrowser).not.toHaveBeenCalled();
  });
});