pepe: add double click button rule

configs/pepe/home-assistant/zigbee2mqtt.nix

@@ -306,7 +306,35 @@ in {
         }
       ];
 
-      # todo : double click, turn on the light in this room and every where else turn it off
+      # double click, turn off the light in the room
+      room_lights_off = map ({ button, room }: {
+        alias = "turn on lights in ${room}, on ${button} click";
+        trigger = {
+          platform = "mqtt";
+          topic = "zigbee2mqtt/${button}";
+        };
+        condition = {
+          condition = "template";
+          value_template = ''{{ "double" == trigger.payload_json.click }}'';
+        };
+        action = {
+          service = "switch.turn_off";
+          entity_id = "group.${room}";
+        };
+      }) [
+        {
+          button = "button_1";
+          room = "living_room";
+        }
+        {
+          button = "button_2";
+          room = "bed_room";
+        }
+        {
+          button = "button_3";
+          room = "bed_room";
+        }
+      ];
 
       # kitchen light automation
       # ------------------------
@@ -340,7 +368,8 @@ in {
         }
       ]) [ "motion_sensor_1" ];
 
-    in lib.flatten (kitchen_lights ++ all_lights_off ++ room_lights_on);
+    in lib.flatten
+    (kitchen_lights ++ all_lights_off ++ room_lights_on ++ room_lights_off);
 
     # click = double => music an aus