package model

import (
	"errors"
	"strings"

	"git.milar.in/milarin/anilist"
)

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 lang {
	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")
	}
}

func (atl AnimeTitleLang) GetTitle(anime *anilist.Media) string {
	switch atl {
	case AnimeTitleLangEnglish:
		return anime.Title.English
	case AnimeTitleUserPreferred:
		return anime.Title.UserPreferred
	case AnimeTitleLangNative:
		return anime.Title.Native
	case AnimeTitleLangRomaji:
		return anime.Title.Romaji
	default:
		panic("invalid anime title language")
	}
}