// Package constants define constant variable
package constants

import "errors"

var (
	// ErrUUIDFromCheckT1 define error of check uuid from value failed in uuid from change type
	ErrUUIDFromCheckT1 = errors.New("in uuid from change type, value of new uuid_from is equal value of old uuid_from")
	// ErrUUIDToCheckT1 define error of check uuid to value failed in uuid from change type
	ErrUUIDToCheckT1 = errors.New("in uuid from change type, value of new uuid_to is not equal value of old uuid_to")

	// ErrUUIDFromCheckT2 define error of check uuid from value failed in uuid to change type
	ErrUUIDFromCheckT2 = errors.New("in uuid to change type, value of new uuid_from is not equal value of old uuid_from")
	// ErrUUIDToCheckT2 define error of check uuid to value failed in uuid to change type
	ErrUUIDToCheckT2 = errors.New("in uuid to change type, value of new uuid_to is equal value of old uuid_to")

	// ErrUUIDFromCheckT3 define error of check uuid from value failed in uuid add change type
	ErrUUIDFromCheckT3 = errors.New("in uuid add change type, value of old uuid_from is not empty")
	// ErrUUIDToCheckT3 define error of check uuid to value failed in uuid add change type
	ErrUUIDToCheckT3 = errors.New("in uuid add change type, value of old uuid_to is not empty")
)

var (
	// ErrInvalidAddressType define error of invalid io address type
	ErrInvalidAddressType = errors.New("invalid address type")
	// ErrUnknownDataType define error of unknown measurement data source type
	ErrUnknownDataType = errors.New("unknown data type")
	// ErrExceedsLimitType define error of channel number exceeds limit for telemetry
	ErrExceedsLimitType = errors.New("channel number exceeds limit for Telemetry")
	// ErrUnsupportedChannelPrefixType define error of unsupported channel prefix
	ErrUnsupportedChannelPrefixType = errors.New("unsupported channel prefix")
)

var (
	// ErrFormatUUID define error of format uuid string to uuid.UUID type failed
	ErrFormatUUID = errors.New("format string type  to uuid.UUID type failed")
	// ErrFormatCache define error of format cache with any type to cacheItem type failed
	ErrFormatCache = errors.New("format any teype to cache item type failed")
)

// ErrGetClientToken define error of can not get client_token from context
var ErrGetClientToken = errors.New("can not get client_token from context")

// ErrQueryComponentByUUID define error of query component from db by uuid failed
var ErrQueryComponentByUUID = errors.New("query component from db failed by uuid")

// ErrChanIsNil define error of channel is nil
var ErrChanIsNil = errors.New("this channel is nil")

// ErrConcurrentModify define error of concurrent modification detected
var ErrConcurrentModify = errors.New("existed concurrent modification risk")

// ErrUnsupportedAction define error of unsupported real time data monitor action
var ErrUnsupportedAction = errors.New("unsupported real time data monitor action")