"use server";

import * as cheerio from "cheerio";

export async function extractMetaData(url: string) {
  if (!url) {
    return { error: "URL is required." };
  }

  let formattedUrl = url;
  if (!/^https?:\/\//i.test(url)) {
    formattedUrl = `https://${url}`;
  }

  try {
    const response = await fetch(formattedUrl, {
      headers: {
        "User-Agent":
          "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36",
      },
    });

    if (!response.ok) {
      return { error: `Failed to fetch URL. Status: ${response.status}` };
    }

    const html = await response.text();
    const $ = cheerio.load(html);

    const title =
      $('meta[property="og:title"]').attr("content") ||
      $("title").text() ||
      "No title found";
    const description =
      $('meta[property="og:description"]').attr("content") ||
      $('meta[name="description"]').attr("content") ||
      "No description found";
    const image = $('meta[property="og:image"]').attr("content") || null;

    return { data: { title, description, image } };
  } catch (error) {
    console.error(error);
    if (error instanceof Error && error.message.includes("Invalid URL")) {
      return {
        error: "The provided URL is not valid. Please check and try again.",
      };
    }
    return { error: "An unexpected error occurred while fetching the URL." };
  }
}