package parking

import (
	"testing"
	"time"
)

func TestRecentCameraStreamFrameMarksCameraOnline(t *testing.T) {
	deviceCode := "camera-stream-status-test"
	cameraLastFrameAt.Delete(deviceCode)
	t.Cleanup(func() { cameraLastFrameAt.Delete(deviceCode) })

	if hasRecentCameraStreamFrame(deviceCode) {
		t.Fatal("camera without video output must be offline")
	}

	markCameraStreamFrame(deviceCode)
	if !hasRecentCameraStreamFrame(deviceCode) {
		t.Fatal("camera with recent video output must be online")
	}

	cameraLastFrameAt.Store(deviceCode, time.Now().Add(-cameraStreamOnlineTTL-time.Millisecond))
	if hasRecentCameraStreamFrame(deviceCode) {
		t.Fatal("camera with expired video output must be offline")
	}
}