/** @vitest-environment jsdom */
import { afterEach, beforeEach, expect, it, vi } from 'vitest';

import type { AuthUser } from '../../../packages/shared/src/contracts/auth';
import {
  requestClientApi,
  setStoredAuthAccessToken,
} from '../src/services/clientApi';
import {
  beginPlatformSessionTransition,
  commitAuthenticatedPlatformSession,
  currentPlatformSessionGeneration,
  resetPlatformSessionStateForTests,
} from '../src/services/platformSession';

vi.mock('@tauri-apps/plugin-http', () => ({ fetch: vi.fn() }));
vi.mock('../src/services/errorReporting', () => ({
  captureClientError: vi.fn(),
}));

const user = { id: 'session-user' } as AuthUser;
const nativeInvoke = vi.fn(async () => null);
const catalog = { models: [{ id: 'quality', displayName: '高质量' }] };
const json = (value: unknown, status = 200) =>
  new Response(JSON.stringify(value), { status });

beforeEach(async () => {
  resetPlatformSessionStateForTests();
  window.localStorage.clear();
  nativeInvoke.mockClear();
  window.__TAURI__ = { core: { invoke: nativeInvoke } };
  setStoredAuthAccessToken('expired-token');
  await commitAuthenticatedPlatformSession(
    user,
    currentPlatformSessionGeneration(),
  );
  nativeInvoke.mockClear();
});

afterEach(() => {
  resetPlatformSessionStateForTests();
  window.localStorage.clear();
  delete window.__TAURI__;
  vi.restoreAllMocks();
});

it('并发模型请求共享续期，并在安装 Rust 会话后使用新 token 重试', async () => {
  let refreshCalls = 0;
  let modelCalls = 0;
  const fetch = vi
    .spyOn(globalThis, 'fetch')
    .mockImplementation(async (input, init) => {
      if (input === '/api/auth/refresh') {
        refreshCalls += 1;
        return json({ token: 'fresh-token' });
      }
      if (input === '/api/auth/me') return json({ user });
      modelCalls += 1;
      const token = new Headers(init?.headers).get('Authorization');
      if (token === 'Bearer expired-token') return json({}, 401);
      expect(token).toBe('Bearer fresh-token');
      expect(nativeInvoke).toHaveBeenCalledWith(
        'install_platform_account_session',
        expect.objectContaining({
          accessToken: 'fresh-token',
          userId: user.id,
        }),
      );
      return json(catalog);
    });

  const results = await Promise.all([
    requestClientApi('/api/llm/models', { method: 'GET' }, '读取失败'),
    requestClientApi('/api/llm/models', { method: 'GET' }, '读取失败'),
  ]);
  expect(results).toEqual([catalog, catalog]);
  expect(refreshCalls).toBe(1);
  expect(modelCalls).toBe(4);
  expect(fetch).toHaveBeenCalledTimes(6);
});

it.each([401])('续期失败保留原 HTTP %s，且不重发业务请求', async (status) => {
  const fetch = vi
    .spyOn(globalThis, 'fetch')
    .mockResolvedValueOnce(json({}, status))
    .mockResolvedValueOnce(json({}, 401));
  await expect(
    requestClientApi('/api/llm/models', { method: 'GET' }, '读取失败'),
  ).rejects.toMatchObject({ status });
  expect(fetch).toHaveBeenCalledTimes(2);
});

it('跳过鉴权的请求不触发续期', async () => {
  const fetch = vi.spyOn(globalThis, 'fetch').mockResolvedValue(json({}, 401));
  await expect(
    requestClientApi('/api/example', {}, '读取失败', { skipAuth: true }),
  ).rejects.toMatchObject({ status: 401 });
  expect(fetch).toHaveBeenCalledTimes(1);
});

it('403 权限拒绝不触发续期或重发写请求', async () => {
  const fetch = vi.spyOn(globalThis, 'fetch').mockResolvedValue(json({}, 403));
  await expect(
    requestClientApi(
      '/api/example',
      { method: 'POST', body: '{}' },
      '权限不足',
    ),
  ).rejects.toMatchObject({ status: 403 });
  expect(fetch).toHaveBeenCalledTimes(1);
  expect(nativeInvoke).not.toHaveBeenCalled();
});

it('续期成功后的再次未授权不循环重试', async () => {
  const fetch = vi
    .spyOn(globalThis, 'fetch')
    .mockResolvedValueOnce(json({}, 401))
    .mockResolvedValueOnce(json({ token: 'fresh-token' }))
    .mockResolvedValueOnce(json({ user }))
    .mockResolvedValueOnce(json({}, 401));
  await expect(
    requestClientApi('/api/llm/models', {}, '读取失败'),
  ).rejects.toMatchObject({ status: 401 });
  expect(fetch).toHaveBeenCalledTimes(4);
});

it('请求期间账号切换后，不替新账号续期或重发旧请求', async () => {
  let finish!: (response: Response) => void;
  const fetch = vi.spyOn(globalThis, 'fetch').mockImplementation(
    () =>
      new Promise<Response>((resolve) => {
        finish = resolve;
      }),
  );
  const pending = requestClientApi('/api/llm/models', {}, '读取失败');
  const rejection = expect(pending).rejects.toMatchObject({ status: 401 });
  const generation = beginPlatformSessionTransition();
  setStoredAuthAccessToken('other-token');
  await commitAuthenticatedPlatformSession(
    { ...user, id: 'other-user' },
    generation,
  );
  finish(json({}, 401));
  await rejection;
  expect(fetch).toHaveBeenCalledTimes(1);
});