package geo

import (
	"net"
	"testing"
)

func TestNewGeoLookup_NilPath(t *testing.T) {
	gl, err := NewGeoLookup("")
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if gl == nil {
		t.Fatal("expected non-nil GeoLookup")
	}
	if gl.IsEnabled() {
		t.Error("expected IsEnabled() = false for empty path")
	}
}

func TestGeoLookup_LookupWithNoDb(t *testing.T) {
	gl, _ := NewGeoLookup("")
	result := gl.Lookup(net.ParseIP("8.8.8.8"))
	if result != nil {
		t.Errorf("expected nil result when no db, got %+v", result)
	}
}

func TestGeoLookup_LookupNilIP(t *testing.T) {
	gl, _ := NewGeoLookup("")
	result := gl.Lookup(nil)
	if result != nil {
		t.Errorf("expected nil result for nil IP, got %+v", result)
	}
}

func TestNewGeoLookup_InvalidPath(t *testing.T) {
	_, err := NewGeoLookup("/nonexistent/path/GeoLite2-City.mmdb")
	if err == nil {
		t.Error("expected error for nonexistent db file, got nil")
	}
}

func TestGeoPoint_Fields(t *testing.T) {
	gp := GeoPoint{
		IP:        "1.2.3.4",
		Lat:       37.751,
		Lon:       -97.822,
		Country:   "United States",
		CountryCode: "US",
		Count:     42,
	}
	if gp.IP != "1.2.3.4" {
		t.Errorf("IP = %q", gp.IP)
	}
	if gp.Count != 42 {
		t.Errorf("Count = %d", gp.Count)
	}
}