package models

import "time"

// DHCPSettings ist die node-lokale Singleton-Configuration des Kea-DHCPv4-
// Servers (ob diese Node DHCP betreibt + globale Defaults).
type DHCPSettings struct {
	ID           int       `gorm:"column:id;primaryKey"   json:"id"`
	Enabled      bool      `gorm:"column:enabled"         json:"enabled"`
	DefaultLease int       `gorm:"column:default_lease"   json:"default_lease"`
	MaxLease     int       `gorm:"column:max_lease"       json:"max_lease"`
	DomainName   string    `gorm:"column:domain_name"     json:"domain_name"`
	DNSServers   string    `gorm:"column:dns_servers"     json:"dns_servers"`
	CreatedAt    time.Time `gorm:"column:created_at"      json:"created_at"`
	UpdatedAt    time.Time `gorm:"column:updated_at"      json:"updated_at"`
}

func (DHCPSettings) TableName() string { return "dhcp_settings" }

// DHCPSubnet ist ein vom DHCP-Server bedientes Subnetz (an ein Interface
// per NAME gebunden — cluster-sicher, da interface_id node-lokal wäre).
type DHCPSubnet struct {
	ID            int64     `gorm:"column:id;primaryKey"      json:"id"`
	Name          string    `gorm:"column:name"               json:"name"`
	InterfaceName string    `gorm:"column:interface_name"     json:"interface_name"`
	SubnetCIDR    string    `gorm:"column:subnet_cidr"        json:"subnet_cidr"`
	PoolStart     string    `gorm:"column:pool_start"         json:"pool_start"`
	PoolEnd       string    `gorm:"column:pool_end"           json:"pool_end"`
	Gateway       string    `gorm:"column:gateway"            json:"gateway"`
	DNSServers    string    `gorm:"column:dns_servers"        json:"dns_servers"`
	LeaseTime     *int      `gorm:"column:lease_time"         json:"lease_time,omitempty"`
	Active        bool      `gorm:"column:active"             json:"active"`
	Description   string    `gorm:"column:description"        json:"description"`
	CreatedAt     time.Time `gorm:"column:created_at"         json:"created_at"`
	UpdatedAt     time.Time `gorm:"column:updated_at"         json:"updated_at"`
}

func (DHCPSubnet) TableName() string { return "dhcp_subnets" }

// DHCPReservation ist eine statische MAC→IP-Zuordnung innerhalb eines Subnets.
type DHCPReservation struct {
	ID         int64     `gorm:"column:id;primaryKey"   json:"id"`
	SubnetID   int64     `gorm:"column:subnet_id"       json:"subnet_id"`
	Name       string    `gorm:"column:name"            json:"name"`
	MACAddress string    `gorm:"column:mac_address"     json:"mac_address"`
	IPAddress  string    `gorm:"column:ip_address"      json:"ip_address"`
	Hostname   string    `gorm:"column:hostname"        json:"hostname"`
	Active     bool      `gorm:"column:active"          json:"active"`
	CreatedAt  time.Time `gorm:"column:created_at"      json:"created_at"`
	UpdatedAt  time.Time `gorm:"column:updated_at"      json:"updated_at"`
}

func (DHCPReservation) TableName() string { return "dhcp_reservations" }