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package main

import (
	"fmt"
	"net/http"
	"os"

	"golang.org/x/net/html"
)

func fetchOGP(url string) (siteName string, title string, err error) {
  resp, err := http.Get(url)
  if err != nil {
    return "", "", fmt.Errorf("failed to fetch OGP URL: %w", err)
  }
  defer resp.Body.Close()

  doc, err := html.Parse(resp.Body)
  if err != nil {
    return "", "", fmt.Errorf("failed to parse HTML: %w", err)
  }

  var findOGP func(*html.Node)
  findOGP = func(n *html.Node) {
    if n.Type == html.ElementNode && n.Data == "meta" {
      var property, content string
      for _, attr := range n.Attr {
        if attr.Key == "property" {
          property = attr.Val
        } else if attr.Key == "content" {
          content = attr.Val
        }
      }
      switch property {
      case "og:site_name":
        siteName = content
      case "og:title":
        title = content
      }
    }
    for c := n.FirstChild; c != nil; c = c.NextSibling {
      findOGP(c)
    }
  }

  findOGP(doc)

  if siteName == "" && title == "" {
    return "", "",
      fmt.Errorf("OGP data none")
  }
  return siteName, title, nil
}

func main() {
  if len(os.Args) < 2 {
    fmt.Println("Usage: go run main.go https://soulminingrig.com/")
    return
  }

  url := os.Args[1]
  siteName, title, err := fetchOGP(url)
  if err != nil {
    fmt.Printf("Error: %v\n", err)
    return
  }

  fmt.Printf("Site Name: %s\n", siteName)
  fmt.Printf("aaaaa:: %s\n", siteName)
  fmt.Printf("Title: %s\n", title)
}