package types

const (
	// SubNameKeywordChineseSimple 用于区分字幕是简体中文还是繁体中文
	SubNameKeywordChineseSimple = "chs"
	SubNameKeywordTraditional   = "cht"
)

// Language 语言类型，注意，这里默认还是查找的是中文字幕，只不过下载的时候可能附带了其他的
type Language int

const (
	Unknow                     Language = iota // 未知语言
	ChineseSimple                              // 简体中文
	ChineseTraditional                         // 繁体中文
	ChineseSimpleEnglish                       // 简英双语字幕
	ChineseTraditionalEnglish                  // 繁英双语字幕
	English                                    // 英文
	Japanese                                   // 日语
	ChineseSimpleJapanese                      // 简日双语字幕
	ChineseTraditionalJapanese                 // 繁日双语字幕
	Korean                                     // 韩语
	ChineseSimpleKorean                        // 简韩双语字幕
	ChineseTraditionalKorean                   // 繁韩双语字幕
)

// 参考 https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes 标准
const (
	ChineseAbbr_639_1  = "zh"
	ChineseAbbr_639_2T = "zho"
	ChineseAbbr_639_2B = "chi"
)

const (
	Sub_Ext_Mark_Default = ".default" // 指定这个字幕是默认的
	Sub_Ext_Mark_Forced  = ".forced"  // 指定这个字幕是强制的
)

// 需要符合 emby_helper 的格式要求，在后缀名前面
const (
	Emby_default = ".default" // 指定这个字幕是默认的
	Emby_unknow  = ".unknow"  // 未知语言
	Emby_chinese = ".chinese" // 中文
	Emby_chi     = ".chi"     // 简体
	Emby_chn     = ".chn"     // 中国国家代码
	Emby_chs     = ".chs"     // 简体
	Emby_cht     = ".cht"     // 繁体
	Emby_chs_en  = ".chs_en"  // 简英双语字幕
	Emby_cht_en  = ".cht_en"  // 繁英双语字幕
	Emby_en      = ".en"      // 英文
	Emby_jp      = ".jp"      // 日语
	Emby_chs_jp  = ".chs_jp"  // 简日双语字幕
	Emby_cht_jp  = ".cht_jp"  // 繁日双语字幕
	Emby_kr      = ".kr"      // 韩语
	Emby_chs_kr  = ".chs_kr"  // 简韩双语字幕
	Emby_cht_kr  = ".cht_kr"  // 繁韩双语字幕
)

const (
	MathLangChnUnknow = "未知语言"
	MatchLangDouble   = "双语"
	MatchLangChs      = "简"
	MatchLangCht      = "繁"
	MatchLangChsEn    = "简英"
	MatchLangChtEn    = "繁英"
	MatchLangEn       = "英"
	MatchLangJp       = "日"
	MatchLangChsJp    = "简日"
	MatchLangChtJp    = "繁日"
	MatchLangKr       = "韩"
	MatchLangChsKr    = "简韩"
	MatchLangChtKr    = "繁韩"
)

func (l Language) String() string {
	switch l {
	case ChineseSimple:
		return MatchLangChs
	case ChineseTraditional:
		return MatchLangCht
	case ChineseSimpleEnglish:
		return MatchLangChsEn
	case ChineseTraditionalEnglish:
		return MatchLangChtEn
	case English:
		return MatchLangEn
	case Japanese:
		return MatchLangJp
	case ChineseSimpleJapanese:
		return MatchLangChsJp
	case ChineseTraditionalJapanese:
		return MatchLangChtJp
	case Korean:
		return MatchLangKr
	case ChineseSimpleKorean:
		return MatchLangChsKr
	case ChineseTraditionalKorean:
		return MatchLangChtKr
	default:
		return MathLangChnUnknow
	}
}