totoro: add HA config

ops/nixos/totoro/home-assistant.nix

@@ -35,6 +35,89 @@ in {
       cast = {};
       plex = {};
       default_config = {};
+
+      google_assistant = {
+        project_id = "malden-homeassistant";
+        service_account = secrets.homeAssistant.googleServiceAccount;
+        report_state = true;
+        exposed_domains = [
+          "light"
+        ];
+      };
+
+      scene = let
+        bedroomOverhead = x: ({
+          color_mode = "color_temp";
+          brightness = 255;
+          color_temp = 316;
+        } // x);
+        bedroomRing = x: ({
+          color_mode = "color_temp";
+          brightness = 69;
+          color_temp = 142;
+        } // x);
+        entityDefs = ring: overhead: let o = bedroomOverhead { state = overhead; }; in {
+          "light.bedside_lamp" = bedroomRing { state = ring; };
+          "light.overhead_left_1" = o;
+          "light.overhead_left_2" = o;
+          "light.overhead_left_3" = o;
+          "light.overhead_left_4" = o;
+          "light.overhead_right_1" = o;
+          "light.overhead_right_2" = o;
+          "light.overhead_right_3" = o;
+          "light.overhead_right_4" = o;
+        };
+      in [{
+        name = "Bedroom Reset";
+        entities = entityDefs "off" "on";
+      } {
+        name = "Bedroom Off";
+        entities = entityDefs "off" "off";
+      }];
+
+      automation = let
+        base = extra: alias: webhook_id: ({
+          inherit alias;
+          trigger = [{
+            inherit webhook_id;
+            platform = "webhook";
+          }];
+        } // extra);
+        toggleEntity = entity_id: base {
+          action = [{
+            service = "homeassistant.toggle";
+            target.entity_id = entity_id;
+          }];
+        };
+        playPauseEntity = entity_id: base {
+          action = [{
+            service = "media_player.media_play_pause";
+            target.entity_id = entity_id;
+          }];
+        };
+        scene = scene_entity_id: base {
+          action = [{
+            service = "scene.turn_on";
+            target.entity_id = scene_entity_id;
+            data.transition = 1.0;
+          }];
+        };
+      in [
+        (toggleEntity "light.bedroom_lights" "Desk LHS Switch press - toggle room" "flic_desk_lhs")
+        (scene "scene.bedroom_reset" "Desk LHS Switch hold - reset room" "flic_desk_lhs_hold")
+
+        (toggleEntity "light.bedside_lamp" "Desk RHS Switch press - toggle bedside" "flic_desk_rhs")
+
+        (toggleEntity "light.bedroom_lights" "Bed LHS Switch press - toggle room" "flic_bed_lhs")
+        (scene "scene.bedroom_reset" "Bed LHS Switch dblpress - reset room" "flic_bed_lhs_dbl")
+        (scene "scene.bedroom_off" "Bed LHS Switch dblpress - reset room" "flic_bed_lhs_hold")
+
+        (playPauseEntity "media_player.nebula" "Bed RHS Switch press - play/pause nebula" "flic_bed_rhs")
+
+        (toggleEntity "light.bedroom_lights" "Bedroom Door Switch press - toggle room" "flic_bedroom_door")
+        (scene "scene.bedroom_off" "Bedroom Door Switch dblpress - room off" "flic_bedroom_door_dbl")
+        (scene "scene.bedroom_off" "Bedroom Door Switch hold - room off" "flic_bedroom_door_hold")
+      ];
     };
     lovelaceConfig = {
       title = "117 Malden Road";