package main

import "time"

// Lease represents a single line from dnsmasq's lease file.
// Format: <timestamp> <mac> <ip> <hostname> <client-id>
type Lease struct {
	Expiry    time.Time
	MAC       string
	IP        string
	Hostname  string
	ClientID  string
}

// PinRequest is the JSON body for pin/unpin API calls.
type PinRequest struct {
	MAC      string `json:"mac"`
	IP       string `json:"ip"`
	Hostname string `json:"hostname"`
}

// PinStatus indicates whether a lease is permanent (pinned).
type PinStatus string

const (
	PinStatusActive    PinStatus = "active"
	PinStatusPermanent PinStatus = "permanent"
)

// LeaseEntry is the combined view sent to the frontend.
type LeaseEntry struct {
	Hostname  string    `json:"hostname"`
	IP        string    `json:"ip"`
	MAC       string    `json:"mac"`
	Expiry    time.Time `json:"expiry"`
	Status    PinStatus `json:"status"`
}

// LeasesResponse is the JSON response for GET /ui/api/leases.
type LeasesResponse struct {
	Leases    []LeaseEntry `json:"leases"`
	PinnedCount int        `json:"pinned_count"`
	ActiveCount int        `json:"active_count"`
}

// PinResponse is the JSON response after a pin/unpin action.
type PinResponse struct {
	Success bool   `json:"success"`
	Message string `json:"message"`
}

// ErrorResponse is a generic error JSON response.
type ErrorResponse struct {
	Error string `json:"error"`
}