package stock

// CapacityUnitLength 长度单位枚举
type CapacityUnitLength string

const (
	CapacityUnitLengthM  CapacityUnitLength = "M"  // 米
	CapacityUnitLengthCM CapacityUnitLength = "CM" // 厘米
	CapacityUnitLengthMM CapacityUnitLength = "MM" // 毫米
	CapacityUnitLengthKM CapacityUnitLength = "KM" // 千米
	CapacityUnitLengthFT CapacityUnitLength = "FT" // 英尺
	CapacityUnitLengthIN CapacityUnitLength = "IN" // 英寸
	CapacityUnitLengthYD CapacityUnitLength = "YD" // 码
)

// GetAllCapacityUnitLengths 获取所有长度单位
func GetAllCapacityUnitLengths() []CapacityUnitLength {
	return []CapacityUnitLength{
		CapacityUnitLengthM,
		CapacityUnitLengthCM,
		CapacityUnitLengthMM,
		CapacityUnitLengthKM,
		CapacityUnitLengthFT,
		CapacityUnitLengthIN,
		CapacityUnitLengthYD,
	}
}

type CapacityUnitLengthKeyValue struct {
	Key   CapacityUnitLength
	Value string
}

var (
	CapacityUnitLengthMKeyValue  = CapacityUnitLengthKeyValue{Key: CapacityUnitLengthM, Value: "米"}
	CapacityUnitLengthCMKeyValue = CapacityUnitLengthKeyValue{Key: CapacityUnitLengthCM, Value: "厘米"}
	CapacityUnitLengthMMKeyValue = CapacityUnitLengthKeyValue{Key: CapacityUnitLengthMM, Value: "毫米"}
	CapacityUnitLengthKMKeyValue = CapacityUnitLengthKeyValue{Key: CapacityUnitLengthKM, Value: "千米"}
	CapacityUnitLengthFTKeyValue = CapacityUnitLengthKeyValue{Key: CapacityUnitLengthFT, Value: "英尺"}
	CapacityUnitLengthINKeyValue = CapacityUnitLengthKeyValue{Key: CapacityUnitLengthIN, Value: "英寸"}
	CapacityUnitLengthYDKeyValue = CapacityUnitLengthKeyValue{Key: CapacityUnitLengthYD, Value: "码"}
)

func GetAllCapacityUnitLengthKeyValue() []CapacityUnitLengthKeyValue {
	return []CapacityUnitLengthKeyValue{
		CapacityUnitLengthMKeyValue,
		CapacityUnitLengthCMKeyValue,
		CapacityUnitLengthMMKeyValue,
		CapacityUnitLengthKMKeyValue,
		CapacityUnitLengthFTKeyValue,
		CapacityUnitLengthINKeyValue,
		CapacityUnitLengthYDKeyValue,
	}
}

var capacityUnitLengthValueMap = map[CapacityUnitLength]string{
	CapacityUnitLengthM:  CapacityUnitLengthMKeyValue.Value,
	CapacityUnitLengthCM: CapacityUnitLengthCMKeyValue.Value,
	CapacityUnitLengthMM: CapacityUnitLengthMMKeyValue.Value,
	CapacityUnitLengthKM: CapacityUnitLengthKMKeyValue.Value,
	CapacityUnitLengthFT: CapacityUnitLengthFTKeyValue.Value,
	CapacityUnitLengthIN: CapacityUnitLengthINKeyValue.Value,
	CapacityUnitLengthYD: CapacityUnitLengthYDKeyValue.Value,
}

func GetCapacityUnitLengthValueByKey(key CapacityUnitLength) (value string) {
	value, exists := capacityUnitLengthValueMap[key]
	if !exists {
		value = "未知单位"
	}
	return
}