diff --git a/configs/pepe/home-assistant.nix b/configs/pepe/home-assistant.nix
index c25bb10..961c8da 100644
--- a/configs/pepe/home-assistant.nix
+++ b/configs/pepe/home-assistant.nix
@@ -52,7 +52,9 @@ in {
 
     automation = let
 
-      # todo : at night only turn trigger essential groups
+      allRooms =
+        [ "living_room" "floor_room" "bath_room" "bed_room" "kitchen_room" ];
+
       roomPresents = {
         # group of the room that should be turned on
         roomGroup,
@@ -117,6 +119,74 @@ in {
             ];
           }
         ];
+
+      situationSwitch = { fromRoomGroup, toRoomGroup, presentsGroup
+        , fromSituation, toSituation,
+        # brightness for dimable lights
+        brightness ? 255 }: [
+          {
+            alias =
+              "${fromSituation} -> ${toSituation} for ${fromRoomGroup} -> ${toRoomGroup} on";
+            trigger = {
+              platform = "state";
+              entity_id = "input_select.situation";
+              from = fromSituation;
+              to = toSituation;
+            };
+            condition = {
+              condition = "state";
+              entity_id = "group.${presentsGroup}";
+              state = "on";
+            };
+            action = [
+              {
+                service = "switch.turn_off";
+                data.entity_id = "group.${fromRoomGroup}";
+              }
+              {
+                service = "light.turn_off";
+                data.entity_id = "group.${fromRoomGroup}";
+              }
+              {
+                service = "switch.turn_on";
+                data.entity_id = "group.${toRoomGroup}";
+              }
+              {
+                service = "light.turn_on";
+                data = {
+                  entity_id = "group.${toRoomGroup}";
+                  brightness = brightness;
+                };
+              }
+            ];
+          }
+          {
+            alias =
+              "${fromSituation} -> ${toSituation} for ${fromRoomGroup} -> ${toRoomGroup} off";
+            trigger = {
+              platform = "state";
+              entity_id = "input_select.situation";
+              from = fromSituation;
+              to = toSituation;
+            };
+            condition = {
+              condition = "state";
+              entity_id = "group.${presentsGroup}";
+              state = "off";
+            };
+            action = [
+              {
+                service = "switch.turn_off";
+                data.entity_id = "group.${fromRoomGroup}";
+              }
+              {
+                service = "light.turn_off";
+                data.entity_id = "group.${fromRoomGroup}";
+              }
+            ];
+          }
+        ];
+
     in lib.flatten (map roomPresents (lib.flatten (map (name: [
       {
         roomGroup = "${name}_lights";
@@ -130,8 +200,7 @@ in {
         situation = "essential";
         brightness = 30;
       }
-    ]) [ "living_room" "floor_room" "bath_room" "bed_room" "kitchen_room" ])))
-    ++ [
+    ]) allRooms))) ++ [
 
       # control situation with buttons
       {
@@ -166,7 +235,23 @@ in {
           };
         };
       }
-    ];
+    ] ++ (lib.flatten (map situationSwitch (lib.flatten (map (name: [
+      {
+        presentsGroup = "${name}_present";
+        fromSituation = "dark";
+        toSituation = "essential";
+        fromRoomGroup = "${name}_lights";
+        toRoomGroup = "${name}_essential";
+        brightness = 30;
+      }
+      {
+        presentsGroup = "${name}_present";
+        fromSituation = "essential";
+        toSituation = "dark";
+        fromRoomGroup = "${name}_essential";
+        toRoomGroup = "${name}_lights";
+      }
+    ]) allRooms))));
 
     group = let
       create_room = { name, description }: {