import DefaultTheme from 'vitepress/theme';
import { useRouter, inBrowser } from 'vitepress';
import { onMounted } from 'vue';
import HomeLayout from './HomeLayout.vue';
import DownloadHero from './DownloadHero.vue';
import './custom.css';

export default {
  extends: DefaultTheme,
  Layout: HomeLayout,
  enhanceApp({ app }) {
    app.component('DownloadHero', DownloadHero);
  },
  setup() {
    const router = useRouter();

    onMounted(() => {
      if (!inBrowser) return;
      const path = window.location.pathname;
      if (path !== '/') return;
      const lang = navigator.language || navigator.languages?.[0] || '';
      if (/^zh/i.test(lang)) {
        router.go('/zh/');
      }
    });
  },
};