package consts

// Resolution 视频分辨率
type Resolution string

const (
	Resolution480P  Resolution = "480p"  // 标清
	Resolution720P  Resolution = "720p"  // 高清
	Resolution1080P Resolution = "1080p" // 全高清
	Resolution2K    Resolution = "2k"    // 2K超清
	Resolution4K    Resolution = "4k"    // 4K超高清
	Resolution8K    Resolution = "8k"    // 8K超高清
)

// Text 获取分辨率文本描述
func (r Resolution) Text() string {
	switch r {
	case Resolution480P:
		return "标清 (480p)"
	case Resolution720P:
		return "高清 (720p)"
	case Resolution1080P:
		return "全高清 (1080p)"
	case Resolution2K:
		return "2K超清 (1440p)"
	case Resolution4K:
		return "4K超高清 (2160p)"
	case Resolution8K:
		return "8K超高清 (4320p)"
	default:
		return string(r)
	}
}

// ResolutionKeyValue 分辨率键值对（用于前端选项）
type ResolutionKeyValue struct {
	Key   string `json:"key"`
	Value string `json:"value"`
}

// GetResolutionOptions 获取所有分辨率选项
func GetResolutionOptions() []ResolutionKeyValue {
	return []ResolutionKeyValue{
		{Key: string(Resolution480P), Value: Resolution480P.Text()},
		{Key: string(Resolution720P), Value: Resolution720P.Text()},
		{Key: string(Resolution1080P), Value: Resolution1080P.Text()},
		{Key: string(Resolution2K), Value: Resolution2K.Text()},
		{Key: string(Resolution4K), Value: Resolution4K.Text()},
		{Key: string(Resolution8K), Value: Resolution8K.Text()},
	}
}