package level

import (
	"go.opentelemetry.io/otel/attribute"
	"go.opentelemetry.io/otel/trace"
)

type SyslogLevel uint8

const (
	EMERG SyslogLevel = iota
	ALERT
	CRIT
	ERR
	WARNING
	NOTICE
	INFO
	DEBUG
)

// Level 	Keyword 	Description
// 0 	emergencies 	System is unusable
// 1 	alerts 			Immediate action is needed
// 2 	critical 		Critical conditions exist
// 3 	errors 			Error conditions exist
// 4 	warnings 		Warning conditions exist
// 5 	notification 	Normal, but significant, conditions exist
// 6 	informational 	Informational messages
// 7 	debugging 		Debugging messages

func (l SyslogLevel) String() string {
	switch l {
	case EMERG:
		return "EMERG"
	case ALERT:
		return "ALERT"
	case CRIT:
		return "CRIT"
	case ERR:
		return "ERR"
	case WARNING:
		return "WARN"
	case NOTICE:
		return "NOTICE"
	case INFO:
		return "INFO"
	case DEBUG:
		return "DEBUG"
	default:
		return "CRIT"
	}
}

func LevelFromString(level string) SyslogLevel {
	switch level {
	case "EMERG":
		return EMERG
	case "ALERT":
		return ALERT
	case "CRIT":
		return CRIT
	case "ERR":
		return ERR
	case "WARN":
		return WARNING
	case "NOTICE":
		return NOTICE
	case "INFO":
		return INFO
	case "DEBUG":
		return DEBUG
	default:
		return CRIT
	}
}

func (lvl SyslogLevel) SetAttribute(att ...attribute.KeyValue) trace.SpanStartEventOption {

	att = append(att, attribute.Int("level", int(lvl)))

	return trace.WithAttributes(
		att...,
	)
}