package protocol

import (
	"strconv"
	"strings"
)

// Protocols supported by this package.
const (
	ProtocolDNS        = "dns"
	ProtocolHTTP       = "http"
	ProtocolMQTT       = "mqtt"
	ProtocolMySQL      = "mysql"
	ProtocolPostgreSQL = "postgresql"
	ProtocolSSH        = "ssh"
	ProtocolSSL        = "ssl"
	ProtocolTLS        = "tls"
)

type Protocol struct {
	Name    string
	Version Version
}

type Version struct {
	Major int
	Minor int
	Patch int
	Extra string
}

func (v Version) String() string {
	p := make([]string, 0, 3)
	if v.Major >= 0 {
		p = append(p, strconv.Itoa(v.Major))
		if v.Minor >= 0 {
			p = append(p, strconv.Itoa(v.Minor))
			if v.Patch >= 0 {
				p = append(p, strconv.Itoa(v.Patch))
			}
		}
	}
	s := strings.Join(p, ".")
	if v.Extra != "" {
		return s + "-" + v.Extra
	}
	return s
}