package logic

import (
	"testing"
	"time"

	authmodule "img_infinite_canvas/internal/modules/auth"
)

func TestAccountDeviceMapperReturnsTimezoneNeutralTimestamp(t *testing.T) {
	lastSeenAt := time.Date(2026, 7, 11, 16, 51, 0, 0, time.FixedZone("CST", 8*60*60))
	devices := toAPIAccountDevices([]authmodule.Device{{ID: "session-1", LastSeenAt: lastSeenAt}})
	if len(devices) != 1 || devices[0].LastSeenAt != "2026-07-11T08:51:00Z" {
		t.Fatalf("expected RFC3339 UTC timestamp, got %#v", devices)
	}
}