local CameraRaycast = {
    Properties = {
    }
}

function CameraRaycast:OnActivate()
    self.mouse_xEventId = GameplayNotificationId(self.entityId, "mouse_x")
    self.mouseXConnection = GameplayNotificationBus.Connect(self, self.mouse_xEventId)
end

function CameraRaycast:OnEventBegin(value)
    if not StereoRendererRequestBus.Broadcast.IsRenderingToHMD() then

        --Set up raycast
		local rayCastConfig = RayCastConfiguration()
		local cameraTransform = TransformBus.Event.GetWorldTM(self.entityId)
		rayCastConfig.origin = cameraTransform:GetTranslation()
		rayCastConfig.maxDistance = 20
		rayCastConfig.physicalEntityTypes = 15
		rayCastConfig.maxHits = 10
		rayCastConfig.direction = cameraTransform:GetColumn(1)

        --Execute raycast
		local rayCastResult = PhysicsSystemRequestBus.Broadcast.RayCast(rayCastConfig)
		local hitCount = rayCastResult:GetHitCount()
		local hasBlockingHit = rayCastResult:HasBlockingHit()
		local hit1 = rayCastResult:GetHit(1)

        --Send notification when a hit occurs
		if hit1 then
			GameplayNotificationBus.Event.OnEventBegin(GameplayNotificationId(hit1.entityId, "objectInFocus"), hit1.entityId)
		end

        --[[ Debug raycast
            Debug.Log("camera transform = "..tostring(cameraTransform))
            Debug.Log("rayCastConfig.origin = "..tostring(rayCastConfig.origin))
            Debug.Log("rayCastConfig.direction = "..tostring(rayCastConfig.direction))
            Debug.Log("************************")
            Debug.Log("hitCount = "..tostring(hitCount))
            Debug.Log("hit.entityId = "..tostring(hit1.entityId))
        ]]--
    end
end

function CameraRaycast:OnDeactivate()
    self.mouseXConnection:Disconnect()
end

return CameraRaycast