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

import {
  buildMobileShellUrlFromDeepLink,
  resolveMobileShellUrlFromDeepLink,
} from './deepLink';

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://www.genarrative.world/',
        options,
      ),
    );

    expect(url.origin).toBe('https://www.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://www.genarrative.world/creation/puzzle#draft',
        'https://www.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://www.genarrative.world/',
        options,
      ),
    );
    const unsafe = new URL(
      buildMobileShellUrlFromDeepLink(
        'javascript:alert(1)',
        'https://www.genarrative.world/',
        options,
      ),
    );

    expect(external.origin).toBe('https://www.genarrative.world');
    expect(external.pathname).toBe('/');
    expect(unsafe.origin).toBe('https://www.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://www.genarrative.world/',
        options,
      ),
    );

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

  test('基准 H5 URL 配置非法或外域时回退到默认启动地址', () => {
    const url = new URL(
      buildMobileShellUrlFromDeepLink(
        'genarrative://open/works/detail?work=PZ-1',
        'https://example.com/app',
        options,
      ),
    );

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

  test('基准 H5 URL 只在显式开发模式保留本机 deep link 入口', () => {
    const productionUrl = new URL(
      buildMobileShellUrlFromDeepLink(
        'http://127.0.0.1:3000/works/detail?work=PZ-1',
        'http://127.0.0.1:3000/',
        options,
      ),
    );
    const developmentUrl = new URL(
      buildMobileShellUrlFromDeepLink(
        'http://127.0.0.1:3000/works/detail?work=PZ-1',
        'http://127.0.0.1:3000/',
        options,
        {
          allowLocalDevelopment: true,
        },
      ),
    );

    expect(productionUrl.origin).toBe('https://www.genarrative.world');
    expect(productionUrl.pathname).toBe('/');
    expect(developmentUrl.origin).toBe('http://127.0.0.1:3000');
    expect(developmentUrl.pathname).toBe('/works/detail');
    expect(developmentUrl.searchParams.get('work')).toBe('PZ-1');
    expect(developmentUrl.searchParams.get('clientRuntime')).toBe('native_app');
  });

  test('返回 deep link 解析状态用于壳层记录拒绝路径', () => {
    const mapped = resolveMobileShellUrlFromDeepLink(
      'genarrative://open/works/detail?work=PZ-1',
      'https://www.genarrative.world/',
      options,
    );
    const rejected = resolveMobileShellUrlFromDeepLink(
      'https://example.com/works/detail?work=PZ-1',
      'https://www.genarrative.world/',
      options,
    );
    const empty = resolveMobileShellUrlFromDeepLink(
      null,
      'https://www.genarrative.world/',
      options,
    );

    expect(mapped.status).toBe('mapped');
    expect(new URL(mapped.url).pathname).toBe('/works/detail');
    expect(rejected.status).toBe('rejected');
    expect(new URL(rejected.url).pathname).toBe('/');
    expect(empty.status).toBe('default');
    expect(new URL(empty.url).pathname).toBe('/');
  });
});