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

import { buildMobileShellUrlFromDeepLink } from './mobileShellDeepLink';

const options = {
  platform: 'ios' as const,
  hostVersion: '0.1.0',
  capabilities: ['host.getRuntime' as const],
};

describe('buildMobileShellUrlFromDeepLink', () => {
  test('把原生 scheme deep link 映射成同源 H5 目标页', () => {
    const url = new URL(
      buildMobileShellUrlFromDeepLink(
        'genarrative://open/works/detail?work=PZ-1',
        'https://app.genarrative.world/',
        options,
      ),
    );

    expect(url.origin).toBe('https://app.genarrative.world');
    expect(url.pathname).toBe('/works/detail');
    expect(url.searchParams.get('work')).toBe('PZ-1');
    expect(url.searchParams.get('clientRuntime')).toBe('native_app');
    expect(url.searchParams.get('hostShell')).toBe('expo_mobile');
  });

  test('把同源 universal link 映射成带宿主上下文的 H5 URL', () => {
    const url = new URL(
      buildMobileShellUrlFromDeepLink(
        'https://app.genarrative.world/creation/puzzle#draft',
        'https://app.genarrative.world/',
        options,
      ),
    );

    expect(url.pathname).toBe('/creation/puzzle');
    expect(url.hash).toBe('#draft');
    expect(url.searchParams.get('hostCapabilities')).toBe('host.getRuntime');
  });

  test('外域和危险协议回退到默认首页', () => {
    const external = new URL(
      buildMobileShellUrlFromDeepLink(
        'https://example.com/works/detail?work=PZ-1',
        'https://app.genarrative.world/',
        options,
      ),
    );
    const unsafe = new URL(
      buildMobileShellUrlFromDeepLink(
        'javascript:alert(1)',
        'https://app.genarrative.world/',
        options,
      ),
    );

    expect(external.origin).toBe('https://app.genarrative.world');
    expect(external.pathname).toBe('/');
    expect(unsafe.origin).toBe('https://app.genarrative.world');
    expect(unsafe.pathname).toBe('/');
  });

  test('协议相对外域 URL 不会被装进移动壳 WebView', () => {
    const url = new URL(
      buildMobileShellUrlFromDeepLink(
        '//example.com/works/detail?work=PZ-1',
        'https://app.genarrative.world/',
        options,
      ),
    );

    expect(url.origin).toBe('https://app.genarrative.world');
    expect(url.pathname).toBe('/');
  });
});