package dhcp

import "time"

// DHCPClient represents a MikroTik RouterOS-style /ip dhcp-client instance.
type DHCPClient struct {
	ID                   string    `json:"id"`
	Interface            string    `json:"interface"`
	Enabled              bool      `json:"enabled"`
	AddDefaultRoute      bool      `json:"add_default_route"`
	DefaultRouteDistance int       `json:"default_route_distance"`
	UsePeerDNS           bool      `json:"use_peer_dns"`
	UsePeerNTP           bool      `json:"use_peer_ntp"`
	Comment              string    `json:"comment"`
	Status               string    `json:"status"` // "bound", "searching", "stopped", "disabled", "error"
	IPAddress            string    `json:"ip_address"`
	Gateway              string    `json:"gateway"`
	DHCPServer           string    `json:"dhcp_server"`
	DNSServers           []string  `json:"dns_servers"`
	Domain               string    `json:"domain"`
	LeaseTime            int       `json:"lease_time"`
	ExpiresIn            string    `json:"expires_in"`
	ObtainedAt           time.Time `json:"obtained_at"`
	ExpiresAt            time.Time `json:"expires_at"`
	PID                  int       `json:"pid"`
}

// CreateDHCPClientRequest specifies parameters when creating a new DHCP client on an interface.
type CreateDHCPClientRequest struct {
	Interface            string `json:"interface"`
	Enabled              bool   `json:"enabled"`
	AddDefaultRoute      bool   `json:"add_default_route"`
	DefaultRouteDistance int    `json:"default_route_distance"`
	UsePeerDNS           bool   `json:"use_peer_dns"`
	UsePeerNTP           bool   `json:"use_peer_ntp"`
	Comment              string `json:"comment"`
}

// UpdateDHCPClientRequest allows modifying an existing DHCP client's settings.
type UpdateDHCPClientRequest struct {
	Enabled              *bool   `json:"enabled,omitempty"`
	AddDefaultRoute      *bool   `json:"add_default_route,omitempty"`
	DefaultRouteDistance *int    `json:"default_route_distance,omitempty"`
	UsePeerDNS           *bool   `json:"use_peer_dns,omitempty"`
	UsePeerNTP           *bool   `json:"use_peer_ntp,omitempty"`
	Comment              *string `json:"comment,omitempty"`
}

// DHCPSummary provides quick telemetry for badges and KPI cards.
type DHCPSummary struct {
	TotalClients int `json:"total_clients"`
	BoundClients int `json:"bound_clients"`
	Searching    int `json:"searching"`
	Disabled     int `json:"disabled"`
}