package util

import (
	"strings"
)

// RemoveNPCAttribution removes NPC attribution.
func RemoveNPCAttribution(str string) string {
	lastOpen := strings.LastIndex(str, "(")
	lastClose := strings.LastIndex(str, ")")
	ending := len(str) - 1

	if lastOpen > 0 && str[lastOpen-1] != '(' && (lastClose == -1 || lastClose == ending) {
		cutoff := lastOpen
		for cutoff > 1 && str[cutoff-1] == ' ' {
			cutoff--
		}

		return str[:cutoff]
	}

	return str
}