import { StrictMode } from "react"
import { prerender } from "react-dom/static"

import App from "./App"
import {
  getStaticDocRoutes,
  resolveDocLocale,
  resolveDocLocation,
} from "./content/registry"
import { getDocSearchIndex } from "./content/search-index.source"
import type { DocLocale } from "./content/types"
import { createDefaultDocsPreferences } from "./lib/preferences"

export { getStaticDocRoutes, getDocSearchIndex as getStaticSearchIndex }

export async function renderStaticPage(pathname: string) {
  const locale = resolveDocLocale(pathname)
  const { prelude } = await prerender(
    <StrictMode>
      <App
        initialPreferences={createDefaultDocsPreferences(locale)}
        initialUrl={new URL(pathname, "https://docs.local").href}
      />
    </StrictMode>
  )

  return {
    html: await new Response(prelude).text(),
    locale,
    metadata: getPageMetadata(pathname, locale),
  }
}

function getPageMetadata(pathname: string, locale: DocLocale) {
  const location = resolveDocLocation(pathname)
  if (location) {
    return {
      description: location.page.description,
      title: `${location.page.title} · ${location.package.label}`,
    }
  }

  const english = locale === "en-US"
  if (/\/settings\/?$/.test(pathname)) {
    return {
      description: english
        ? "Configure the documentation theme, colors, and language."
        : "配置文档站的主题、颜色和语言。",
      title: english ? "Settings · Documentation" : "设置 · 文档",
    }
  }

  if (pathname === "/" || pathname === "/en-US") {
    return {
      description: english
        ? "Documentation for the my-shadcn-ui workspace packages."
        : "my-shadcn-ui 工作区各个 package 的使用文档。",
      title: english ? "my-shadcn-ui Documentation" : "my-shadcn-ui 文档",
    }
  }

  return {
    description: english
      ? "The requested documentation page does not exist."
      : "请求的文档页面不存在。",
    title: english ? "Page not found · Documentation" : "页面不存在 · 文档",
  }
}