package model

import (
	"errors"
	"strings"
)

type AnimeTitleLang string

const (
	AnimeTitleLangEnglish   AnimeTitleLang = "english"
	AnimeTitleLangNative    AnimeTitleLang = "native"
	AnimeTitleLangRomaji    AnimeTitleLang = "romaji"
	AnimeTitleUserPreferred AnimeTitleLang = "user-preferred"
)

func ParseAnimeTitleLang(str string) (AnimeTitleLang, error) {
	lang := AnimeTitleLang(strings.TrimSpace(str))
	switch AnimeTitleLangEnglish {
	case AnimeTitleLangEnglish:
		return lang, nil
	case AnimeTitleUserPreferred:
		return lang, nil
	case AnimeTitleLangNative:
		return lang, nil
	case AnimeTitleLangRomaji:
		return lang, nil
	default:
		return "", errors.New("invalid anime title language")
	}
}