decrease sensitivity in hue2 (should fix double press, regular check over-updating and massive update storms when regular checks find a lot of incongruences), and fix rare race condition

internal/drivers/hue2/bridge.go

@@ -55,6 +55,7 @@ func (b *Bridge) Run(ctx context.Context, eventCh chan<- models.Event) error {
 
 	absences := make(map[int]time.Time)
 	lastPress := make(map[string]time.Time)
+	lastUpdate := time.Now()
 	needFull := false
 
 	for {
@@ -62,6 +63,10 @@ func (b *Bridge) Run(ctx context.Context, eventCh chan<- models.Event) error {
 		case <-ctx.Done():
 			return ctx.Err()
 		case <-lightRefreshTimer.C:
+			if time.Since(lastUpdate) < time.Second*10 {
+				continue
+			}
+
 			if needFull {
 				err := b.RefreshAll(ctx)
 				if err != nil {
@@ -79,9 +84,16 @@ func (b *Bridge) Run(ctx context.Context, eventCh chan<- models.Event) error {
 				return err
 			}
 			if updated > 0 {
+				// Force this to cool for 30 seconds unless a manual update occurs.
+				if updated > 10 {
+					lastUpdate = time.Now().Add(time.Second * 15)
+				}
+
 				log.Println(fmt.Sprintf("[Bridge %d]", b.externalID), "Updated", updated, "hue services (regular check)")
 			}
 		case <-b.needsUpdate:
+			lastUpdate = time.Now()
+
 			updated, err := b.MakeCongruent(ctx)
 			if err != nil {
 				return err
@@ -125,9 +137,11 @@ func (b *Bridge) Run(ctx context.Context, eventCh chan<- models.Event) error {
 					continue
 				}
 
+				b.mu.Lock()
 				if b.resources[patch.Owner.ID] == nil {
 					needFull = true
 				}
+				b.mu.Unlock()
 
 				device, deviceOK := b.devices[patch.Owner.ID]
 				if !deviceOK || device.ID == 0 {
@@ -141,7 +155,7 @@ func (b *Bridge) Run(ctx context.Context, eventCh chan<- models.Event) error {
 					} else if patch.Button.LastEvent == "long_release" {
 						valid = false
 					} else {
-						valid = lastPress[patch.ID].Unix() != data.CreationTime.Unix()
+						valid = data.CreationTime.Sub(lastPress[patch.ID]) >= time.Second*2
 					}
 
 					if valid {