package scraper

import (
	"errors"
	"slices"
	"strings"

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

var body = &html.Node{
	Type:     html.ElementNode,
	Data:     "body",
	DataAtom: atom.Body,
}

var ErrNotAnElementNode = errors.New("not an ElementNode")

func MatchElemAttr(s string, n2 *html.Node) (bool, error) {
	r := strings.NewReader(s)
	n, err := html.ParseFragment(r, body)
	if err != nil {
		return false, err
	}
	n1 := n[0]

	if !(n1.Type == html.ElementNode &&
		n2.Type == html.ElementNode) {
		return false, ErrNotAnElementNode
	}

	if n1.Data == n2.Data &&
		slices.Equal(n1.Attr, n2.Attr) {
		return true, nil
	}
	return false, nil
}