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 shellScriptPath = join(
  repoRoot,
  'miniprogram',
  'shell',
  'webView.js',
);
const webViewHostBridgePath = join(
  repoRoot,
  'miniprogram',
  'host-bridge',
  'webView.js',
);

type MiniProgramPage = {
  data: Record<string, unknown>;
  setData: (patch: Record<string, unknown>) => void;
  onLoad: (query?: Record<string, string>) => Promise<void>;
  onShareAppMessage: () => Record<string, unknown>;
  onShareTimeline: () => Record<string, unknown>;
  onShow: () => void;
  consumePayResult: () => void;
  handleGetPhoneNumber: (event: {
    detail?: Record<string, unknown>;
  }) => Promise<void>;
};

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

function loadWebViewPage(
  wxMock: ReturnType<typeof createWxMock>,
  configOverrides: Record<string, unknown> = {},
) {
  (globalThis as unknown as { wx: ReturnType<typeof createWxMock> }).wx =
    wxMock;
  const webViewBridge = loadCommonJsModule(webViewHostBridgePath, {});
  const shellModule = loadCommonJsModule(shellScriptPath, {
    '../config': {
      API_BASE_URL: 'https://www.genarrative.world/',
      DEV_API_BASE_URL: 'https://dev.genarrative.world/',
      DEV_WEB_VIEW_ENTRY_URL: 'https://dev.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,
    },
    '../host-bridge/webView': webViewBridge,
  }) as {
    createWechatWebViewPage: () => Record<string, unknown>;
  };
  const pageConfig = shellModule.createWechatWebViewPage();

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

  return page;
}

function loadCommonJsModule(
  filePath: string,
  requireMap: Record<string, unknown>,
) {
  const source = readFileSync(filePath, 'utf8');
  const module = { exports: {} as Record<string, unknown> };
  const sandbox = {
    console,
    getCurrentPages: () => [],
    module,
    exports: module.exports,
    setTimeout(callback: () => void) {
      callback();
      return 1;
    },
    require(requestPath: string) {
      if (Object.prototype.hasOwnProperty.call(requireMap, requestPath)) {
        return requireMap[requestPath];
      }
      throw new Error(`Unexpected require: ${requestPath}`);
    },
    wx: globalThis.wx,
  };

  vm.runInNewContext(source, sandbox, { filename: filePath });
  return module.exports;
}

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

  test('默认进入时不预登录，直接打开未登录 web-view', async () => {
    const wxMock = createWxMock();
    wxMock.login.mockImplementation(({ success }) => {
      success({ code: 'wx-login-code' });
    });
    wxMock.request.mockImplementation(({ success }) => {
      success({
        statusCode: 200,
        data: {
          token: 'jwt-active-wechat',
          bindingStatus: 'active',
        },
      });
    });
    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',
    );
    expect(wxMock.showShareMenu).toHaveBeenCalledWith({
      withShareTicket: true,
      menus: ['shareAppMessage', 'shareTimeline'],
    });
  });

  test('默认进入时即便微信新身份待绑手机号，也不弹出绑定手机号页', 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({});

    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('web-view 页面分享好友和朋友圈都回到小程序 web-view 入口', () => {
    const wxMock = createWxMock();
    const page = loadWebViewPage(wxMock);

    expect(page.onShareAppMessage()).toEqual({
      title: '陶泥儿',
      path: '/pages/web-view/index',
    });
    expect(page.onShareTimeline()).toEqual({
      title: '陶泥儿',
      query: '',
    });
  });

  test('默认匿名进入 web-view 仍不依赖 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('体验版自动切到 dev 子域名并透传 trial 环境', async () => {
    const wxMock = createWxMock();
    wxMock.getAccountInfoSync.mockReturnValue({
      miniProgram: { envVersion: 'trial' },
    });
    const page = loadWebViewPage(wxMock);

    await page.onLoad({});

    expect(page.data.webViewUrl).toBe(
      'https://dev.genarrative.world/?clientType=mini_program&clientRuntime=wechat_mini_program&miniProgramEnv=trial',
    );
  });

  test('开发版自动切到 dev 子域名并把 develop 规整为 dev', async () => {
    const wxMock = createWxMock();
    wxMock.getAccountInfoSync.mockReturnValue({
      miniProgram: { envVersion: 'develop' },
    });
    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.request).toHaveBeenCalledWith(
      expect.objectContaining({
        url: 'https://dev.genarrative.world/api/auth/wechat/miniprogram-login',
        header: expect.objectContaining({
          'x-mini-program-env': 'dev',
        }),
      }),
    );
  });

  test('onShow 二次检查支付结果并写回 web-view hash', () => {
    const wxMock = createWxMock();
    wxMock.getStorageSync.mockImplementation((key) =>
      key === 'genarrative:wechat-pay-result'
        ? 'request-1:success:order-1'
        : '',
    );
    const page = loadWebViewPage(wxMock);
    page.data.webViewUrl =
      'https://www.genarrative.world/?clientType=mini_program#tab=profile';

    page.onShow();

    expect(wxMock.removeStorageSync).toHaveBeenCalledWith(
      'genarrative:wechat-pay-result',
    );
    expect(page.data.webViewUrl).toBe(
      'https://www.genarrative.world/?clientType=mini_program#tab=profile&wx_pay_result=request-1%3Asuccess%3Aorder-1',
    );
  });

  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',
          user: {
            displayName: '陶泥玩家',
            publicUserCode: 'SY-12345678',
          },
        },
      });
    });
    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);
  });

  test('微信登录失败不向页面透出原生错误', async () => {
    const wxMock = createWxMock();
    const loginError = { errMsg: 'login:fail private native detail' };
    wxMock.login.mockImplementation(({ fail }) => {
      fail(loginError);
    });
    const page = loadWebViewPage(wxMock);

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

    expect(page.data.errorMessage).toBe('微信登录失败，请稍后重试。');
    expect(console.error).toHaveBeenCalledWith('[web-view] wx.login failed');
    expect(console.error).toHaveBeenCalledWith('[web-view] auth flow failed');
    expect(console.error.mock.calls.flat()).not.toContain(loginError);
    expect(page.data.phoneBindingRequired).toBe(false);
  });

  test('绑定手机号失败不向页面透出后端错误体', async () => {
    const wxMock = createWxMock();
    const page = loadWebViewPage(wxMock);
    page.data.authResult = {
      token: 'jwt-pending-wechat',
      bindingStatus: 'pending_bind_phone',
    };
    wxMock.request.mockImplementation(({ success }) => {
      success({
        statusCode: 500,
        data: {
          error: {
            message: 'private backend detail',
          },
        },
      });
    });

    await page.handleGetPhoneNumber({
      detail: {
        code: 'wechat-phone-code',
      },
    });

    expect(page.data.errorMessage).toBe('绑定手机号失败，请稍后重试。');
    expect(console.error).toHaveBeenCalledWith(
      '[web-view] mini program bind phone failed',
    );
    expect(console.error).toHaveBeenCalledWith('[web-view] bind phone failed');
    expect(console.error.mock.calls.flat()).not.toContain('private backend detail');
  });

  test('拒绝手机号授权不向页面透出微信原生错误', async () => {
    const wxMock = createWxMock();
    const page = loadWebViewPage(wxMock);
    page.data.authResult = {
      token: 'jwt-pending-wechat',
      bindingStatus: 'pending_bind_phone',
    };
    const authDeclined = {
      errMsg: 'getPhoneNumber:fail private native detail',
    };

    await page.handleGetPhoneNumber({
      detail: authDeclined,
    });

    expect(page.data.errorMessage).toBe('需要授权手机号后才能完成绑定。');
    expect(page.data.errorMessage).not.toContain('private native detail');
    expect(console.error).toHaveBeenCalledWith(
      '[web-view] bind phone auth declined',
    );
    expect(console.error.mock.calls.flat()).not.toContain(authDeclined);
  });
});