package govmtools

import (
	xdr "github.com/stellar/go-xdr/xdr3"
)

type InetAddressType int

const (
	IatUnknown InetAddressType = iota
	IatIpv4
	IatIpv6
	IatIpv4Z
	IatIpv6Z
	IatDns
)

type IpAddressOrigin int

const (
	IaoOther     IpAddressOrigin = 1
	IaoManual    IpAddressOrigin = 2
	IaoDhcp      IpAddressOrigin = 4
	IaoLinkLayer IpAddressOrigin = 5
	IaoRandom    IpAddressOrigin = 6
)

type IpAddressStatus int
const (
	IasPreferred = iota + 1
	IasDeprecated
	IasInvalid
	IasInaccessible
	IasUnknown
	IasTentative
	IasDuplicate
	IasOptimistic
)

type InetAddress []byte

type TypedIpAddress struct {
	IpAddressAddrType InetAddressType
	IpAddressAddr     InetAddress
}

type InetAddressPrefixLength uint

type IpAddressEntry struct {
	IpAddressAddr         TypedIpAddress
	IpAddressPrefixLength InetAddressPrefixLength
	IpAddressOrigin       []IpAddressOrigin
	IpAddressStatus       []IpAddressStatus
}

type DnsConfigInfo struct {
	HostName       []string
	DomainName     []string
	ServerList     []TypedIpAddress
	SearchSuffixes []string
}

type WinsConfigInfo struct {
	Primary   TypedIpAddress
	Secondary TypedIpAddress
}

type DhcpConfigInfo struct {
	Enabled      bool
	DhcpSettings []string
}

type GuestNicV3 struct {
	MacAddress       string
	Ips              []IpAddressEntry
	DnsConfigInfo    []DnsConfigInfo
	WinsConfigInfo   []WinsConfigInfo
	DhcpConfigInfoV4 []DhcpConfigInfo
	DhcpConfigInfoV6 []DhcpConfigInfo
}

type InetCidrRouteType int

const (
	IcrtOther InetCidrRouteType = iota + 1
	IcrtReject
	IcrtLocal
	IcrtRemote
)

type InetCidrRouteEntry struct {
	InetCidrRouteDest    TypedIpAddress
	InetCidrRoutePfxLen  InetAddressPrefixLength
	InetCidrRouteNextHop []TypedIpAddress
	InetCidrRouteIfIndex uint32
	InetCidrRouteType    InetCidrRouteType
	InetCidrRouteMetric  uint32
}

type NicInfoV3Wrapper struct {
	NicInfoV3 []NicInfoV3
}

type NicInfoV3 struct {
	Nics             []GuestNicV3
	Routes           []InetCidrRouteEntry
	DnsConfigInfo    []DnsConfigInfo
	WinsConfigInfo   []WinsConfigInfo
	DhcpConfigInfoV4 []DhcpConfigInfo
	DhcpConfigInfoV6 []DhcpConfigInfo
}

type GuestNicProtoType int

const (
	ProtoTypeV3 = 3
)

func (GuestNicProtoType) ValidEnum(i int32) bool {
	return i == ProtoTypeV3
}

type GuestNicProto struct {
	Type      GuestNicProtoType
	NicInfoV3 *NicInfoV3Wrapper
}

var _ xdr.Union = (*GuestNicProto)(nil)

func (g GuestNicProto) ArmForSwitch(i int32) (string, bool) {
	if i != 3 {
		return "", false
	}

	return "NicInfoV3", true
}

func (g GuestNicProto) SwitchFieldName() string {
	return "Type"
}