// TODO:  Either add a returnNetwork and returnKey, or delete this
package models

// DNSUpdateAction identifies the action to be performed with the dns update data
type DNSUpdateAction int

const (
	// DNSDeleteByIP delete the dns entry
	DNSDeleteByIP = iota
	// DNSDeleteByName delete the dns entry
	DNSDeleteByName
	// DNSReplaceName replace the dns entry
	DNSReplaceName
	// DNSReplaceIP resplace the dns entry
	DNSReplaceIP
	// DNSInsert insert a new dns entry
	DNSInsert
)

func (action DNSUpdateAction) String() string {
	return [...]string{"DNSDeleteByIP", "DNSDeletByName", "DNSReplaceName", "DNSReplaceIP", "DNSInsert"}[action]
}

// DNSError.Error implementation of error interface
func (e DNSError) Error() string {
	return "error publishing dns update"
}

// DNSError error struct capable of holding multiple error messages
type DNSError struct {
	ErrorStrings []string
}

// DNSUpdate data for updating entries in /etc/hosts
type DNSUpdate struct {
	Action     DNSUpdateAction
	Name       string
	NewName    string
	Address    string
	NewAddress string
}

// DNSEntry - a DNS entry represented as struct
type DNSEntry struct {
	Address  string `json:"address" bson:"address" validate:"ip"`
	Address6 string `json:"address6" bson:"address6"`
	Name     string `json:"name" bson:"name" validate:"required,name_unique,min=1,max=192"`
	Network  string `json:"network" bson:"network" validate:"network_exists"`
}