package utils

import (
	"html"
	"regexp"
	"strings"
)

var htmlTagRe = regexp.MustCompile(`<[^>]*>`)

// StripHTML removes HTML tags and decodes HTML entities from s.
func StripHTML(s string) string {
	stripped := htmlTagRe.ReplaceAllString(s, "")
	decoded := html.UnescapeString(stripped)
	return StripCRLF(decoded)
}

func StripCRLF(s string) string {
	return strings.TrimSpace(strings.Map(func(r rune) rune {
		if r == '\r' || r == '\n' {
			return -1
		}
		return r
	}, s))
}