package resolver

import (
	"context"

	"git.zb-server.de/Sebi/ssh-netbox-wrapper/internal/netbox"
)

// PrimaryIPStrategy returns the primary IP configured in NetBox.
// Prefers IPv4, falls back to IPv6.
type PrimaryIPStrategy struct{}

func (s *PrimaryIPStrategy) Name() string { return "primary_ip" }

func (s *PrimaryIPStrategy) Resolve(_ context.Context, entry *netbox.HostEntry, _ *netbox.Client) (string, error) {
	if entry.PrimaryIP4 != "" {
		return entry.PrimaryIP4, nil
	}
	if entry.PrimaryIP6 != "" {
		return entry.PrimaryIP6, nil
	}
	return "", ErrNoIP
}