import { readFileSync } from 'node:fs';
import { join } from 'node:path';
import vm from 'node:vm';

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

const repoRoot = process.cwd();
const pageScriptPath = join(
  repoRoot,
  'miniprogram',
  'pages',
  'web-view',
  'index.js',
);

type MiniProgramPage = {
  data: Record<string, unknown>;
  setData: (patch: Record<string, unknown>) => void;
  onLoad: (query?: Record<string, string>) => Promise<void>;
};

function createWxMock() {
  return {
    getStorageSync: vi.fn(() => ''),
    getSystemInfoSync: vi.fn(() => ({ platform: 'ios' })),
    login: vi.fn(),
    navigateBack: vi.fn(),
    removeStorageSync: vi.fn(),
    request: vi.fn(),
    setStorageSync: vi.fn(),
  };
}

function loadWebViewPage(
  wxMock: ReturnType<typeof createWxMock>,
  configOverrides: Record<string, unknown> = {},
) {
  let pageConfig: Record<string, unknown> | null = null;
  const source = readFileSync(pageScriptPath, 'utf8');
  const sandbox = {
    console,
    getCurrentPages: () => [],
    module: { exports: {} },
    Page(config: Record<string, unknown>) {
      pageConfig = config;
    },
    require(requestPath: string) {
      if (requestPath === '../../config') {
        return {
          API_BASE_URL: 'https://www.genarrative.world/',
          MINI_PROGRAM_APP_ID: 'wx-test-app',
          MINI_PROGRAM_ENV: 'release',
          WEB_VIEW_ENTRY_URL: 'https://www.genarrative.world/',
          WEB_VIEW_SOURCE_QUERY: {
            clientType: 'mini_program',
            clientRuntime: 'wechat_mini_program',
          },
          ...configOverrides,
        };
      }
      throw new Error(`Unexpected require: ${requestPath}`);
    },
    wx: wxMock,
  };

  vm.runInNewContext(source, sandbox, { filename: pageScriptPath });

  if (!pageConfig) {
    throw new Error('web-view page did not call Page()');
  }

  const page = {
    ...pageConfig,
    data: { ...(pageConfig.data as Record<string, unknown>) },
    setData(patch: Record<string, unknown>) {
      Object.assign(this.data, patch);
    },
  } as MiniProgramPage;

  return page;
}

describe('mini-program web-view auth page', () => {
  beforeEach(() => {
    vi.clearAllMocks();
  });

  test('默认进入时直接打开 web-view，不触发微信登录请求', async () => {
    const wxMock = createWxMock();
    const page = loadWebViewPage(wxMock);

    await page.onLoad({});

    expect(wxMock.login).not.toHaveBeenCalled();
    expect(wxMock.request).not.toHaveBeenCalled();
    expect(page.data.loading).toBe(false);
    expect(page.data.phoneBindingRequired).toBe(false);
    expect(page.data.webViewUrl).toBe(
      'https://www.genarrative.world/?clientType=mini_program&clientRuntime=wechat_mini_program',
    );
  });

  test('默认匿名进入 web-view 不依赖 API_BASE_URL 配置', async () => {
    const wxMock = createWxMock();
    const page = loadWebViewPage(wxMock, {
      API_BASE_URL: '',
    });

    await page.onLoad({});

    expect(wxMock.login).not.toHaveBeenCalled();
    expect(wxMock.request).not.toHaveBeenCalled();
    expect(page.data.errorMessage).toBe('');
    expect(page.data.webViewUrl).toBe(
      'https://www.genarrative.world/?clientType=mini_program&clientRuntime=wechat_mini_program',
    );
  });

  test('H5 请求登录时才启动微信小程序登录并进入手机号授权态', async () => {
    const wxMock = createWxMock();
    wxMock.login.mockImplementation(({ success }) => {
      success({ code: 'wx-login-code' });
    });
    wxMock.request.mockImplementation(({ success }) => {
      success({
        statusCode: 200,
        data: {
          token: 'jwt-pending-wechat',
          bindingStatus: 'pending_bind_phone',
        },
      });
    });
    const page = loadWebViewPage(wxMock);

    await page.onLoad({ authAction: 'login', returnTo: 'previous' });

    expect(wxMock.login).toHaveBeenCalledTimes(1);
    expect(wxMock.request).toHaveBeenCalledWith(
      expect.objectContaining({
        url: 'https://www.genarrative.world/api/auth/wechat/miniprogram-login',
        method: 'POST',
        data: { code: 'wx-login-code' },
      }),
    );
    expect(page.data.webViewUrl).toBe('');
    expect(page.data.loading).toBe(false);
    expect(page.data.phoneBindingRequired).toBe(true);
  });
});