/** @vitest-environment jsdom */
import type { ReactNode } from 'react';
import { useCallback } from 'react';
import { vi } from 'vitest';

import { WindowChrome } from '../src/components/WindowChrome';
import {
  useWindowChrome,
  type WindowChromeActiveProjectRuns,
  WindowChromeContext,
} from '../src/components/windowChromeContext';
import { WorkspaceLauncherShell } from '../src/features/app-shell/WorkspaceLauncher';
import {
  act,
  expect,
  it,
  React,
  render,
  testAuthUser,
} from './appSurface/harness';

const homeProjectOverride = vi.hoisted(() => ({
  openProject: null as
    | null
    | ((path: string, mode: 'open' | 'create') => Promise<void>),
}));

vi.mock('../src/features/app-shell/useHomeProjectCreation', async () => {
  const actual = await vi.importActual<
    typeof import('../src/features/app-shell/useHomeProjectCreation')
  >('../src/features/app-shell/useHomeProjectCreation');
  return {
    ...actual,
    useHomeProjectCreation(
      ...args: Parameters<typeof actual.useHomeProjectCreation>
    ) {
      const result = actual.useHomeProjectCreation(...args);
      return homeProjectOverride.openProject
        ? { ...result, openProject: homeProjectOverride.openProject }
        : result;
    },
  };
});

it('真实窗口与工作台状态同步收敛，回调读取最新处理器且卸载才清理', async () => {
  const publications: WindowChromeActiveProjectRuns[] = [];
  let cleanups = 0;
  // 仍经过真实 WindowChrome 的 setState/Context；上限只防止回归时测试无限循环。
  function BoundedWindowBridge({ children }: { children: ReactNode }) {
    const chrome = useWindowChrome();
    const { setActiveProjectRuns } = chrome;
    const publish = useCallback(
      (next: WindowChromeActiveProjectRuns | null) => {
        if (next) publications.push(next);
        else cleanups += 1;
        if (publications.length < 12) setActiveProjectRuns(next);
      },
      [setActiveProjectRuns],
    );
    return (
      <WindowChromeContext.Provider
        value={{ ...chrome, setActiveProjectRuns: publish }}
      >
        {children}
      </WindowChromeContext.Provider>
    );
  }
  const chat = () => null;
  const view = (displayName = '测试用户') => (
    <WindowChrome>
      <BoundedWindowBridge>
        <WorkspaceLauncherShell
          currentUser={{ ...testAuthUser, displayName }}
          onLogout={() => undefined}
          initialView="projects"
          ProjectChat={chat}
        />
      </BoundedWindowBridge>
    </WindowChrome>
  );
  delete window.__TAURI__;
  const rendered = render(view());
  try {
    await act(async () => {
      await Promise.resolve();
    });
    // 无原生 invoke 时空快照引用不变，只发布一次。
    expect(publications).toHaveLength(1);
    expect(cleanups).toBe(0);
    expect(new Set(publications.map((item) => item.onOpenProject)).size).toBe(
      1,
    );
    const openProject = publications[0]!.onOpenProject!;
    const latestOpen = vi.fn(async () => undefined);
    homeProjectOverride.openProject = latestOpen;
    rendered.rerender(view('更改显示名'));
    // 非依赖变化的重渲染不能让窗口面板重新发布。
    expect(publications).toHaveLength(1);
    act(() => openProject('/tmp/window-latest-project'));
    expect(latestOpen).toHaveBeenCalledWith(
      '/tmp/window-latest-project',
      'open',
    );
    // 回调执行只换 ref 里的实现，发布次数与清理次数都不能变。
    expect(publications).toHaveLength(1);
    expect(cleanups).toBe(0);
    rendered.unmount();
    expect(cleanups).toBe(1);
  } finally {
    homeProjectOverride.openProject = null;
    rendered.unmount();
  }
});