Extract shared light toggle heading badges helper

Move the dual turn_on/turn_off badge pattern into a shared
computeLightToggleHeadingBadges helper used by both area-view-strategy
and light-view-strategy.

https://claude.ai/code/session_01QYArBydHUEkFt5K2SwVZfY

src/panels/light/strategies/light-view-strategy.ts

@@ -17,7 +17,7 @@ import {
   SMALL_SCREEN_CONDITION,
 } from "../../lovelace/strategies/helpers/screen-conditions";
 import type { ToggleGroupCardConfig } from "../../lovelace/cards/types";
-import type { ButtonHeadingBadgeConfig } from "../../lovelace/heading-badges/types";
+import { computeLightToggleHeadingBadges } from "../../lovelace/strategies/helpers/light-toggle-badges";
 
 export interface LightViewStrategyConfig {
   type: "light";
@@ -51,15 +51,21 @@ const processAreasForLight = (
     }
 
     if (areaCards.length > 0) {
-      // Visibility condition: any light is on
-      const anyOnCondition = {
-        condition: "or" as const,
-        conditions: areaLights.map((entityId) => ({
-          condition: "state" as const,
-          entity: entityId,
-          state: "on",
-        })),
-      };
+      const lightToggleBadges = computeLightToggleHeadingBadges(
+        areaLights,
+        { area_id: area.area_id },
+        {
+          icon: "mdi:power",
+          turnOnText: hass.localize(
+            "ui.panel.lovelace.strategy.light.off"
+          ),
+          turnOffText: hass.localize(
+            "ui.panel.lovelace.strategy.light.on"
+          ),
+          turnOffColor: "orange",
+          extraVisibility: [SMALL_SCREEN_CONDITION],
+        }
+      );
 
       cards.push({
         heading_style: "subtitle",
@@ -71,42 +77,7 @@ const processAreasForLight = (
               navigation_path: `/home/areas-${area.area_id}`,
             }
           : undefined,
-        badges: [
-          // Toggle buttons for mobile
-          {
-            type: "button",
-            icon: "mdi:power",
-            text: hass.localize("ui.panel.lovelace.strategy.light.off"),
-            tap_action: {
-              action: "perform-action",
-              perform_action: "light.turn_on",
-              target: {
-                area_id: area.area_id,
-              },
-            },
-            visibility: [
-              SMALL_SCREEN_CONDITION,
-              {
-                condition: "not",
-                conditions: [anyOnCondition],
-              },
-            ],
-          } satisfies ButtonHeadingBadgeConfig,
-          {
-            type: "button",
-            icon: "mdi:power",
-            color: "orange",
-            text: hass.localize("ui.panel.lovelace.strategy.light.on"),
-            tap_action: {
-              action: "perform-action",
-              perform_action: "light.turn_off",
-              target: {
-                area_id: area.area_id,
-              },
-            },
-            visibility: [SMALL_SCREEN_CONDITION, anyOnCondition],
-          } satisfies ButtonHeadingBadgeConfig,
-        ] satisfies LovelaceCardConfig[],
+        badges: lightToggleBadges satisfies LovelaceCardConfig[],
       });
 
       // Toggle group card for desktop

src/panels/lovelace/strategies/areas/area-view-strategy.ts

@@ -8,7 +8,7 @@ import type { LovelaceSectionRawConfig } from "../../../../data/lovelace/config/
 import type { LovelaceViewConfig } from "../../../../data/lovelace/config/view";
 import type { HomeAssistant } from "../../../../types";
 import type { HeadingCardConfig } from "../../cards/types";
-import type { ButtonHeadingBadgeConfig } from "../../heading-badges/types";
+import { computeLightToggleHeadingBadges } from "../helpers/light-toggle-badges";
 import {
   AREA_STRATEGY_GROUP_ICONS,
   computeAreaTileCardConfig,
@@ -97,50 +97,12 @@ export class AreaViewStrategy extends ReactiveElement {
         hass
       );
 
-      const lightBadges: ButtonHeadingBadgeConfig[] = [];
-
-      if (lightControlEntities.light.length > 0) {
-        const anyOnCondition = {
-          condition: "or" as const,
-          conditions: lightControlEntities.light.map((entityId) => ({
-            condition: "state" as const,
-            entity: entityId,
-            state: "on",
-          })),
-        };
-
-        lightBadges.push(
-          {
-            type: "button",
-            icon: "mdi:lightbulb",
-            tap_action: {
-              action: "perform-action",
-              perform_action: "light.turn_on",
-              target: {
-                entity_id: lightControlEntities.light,
-              },
-            },
-            visibility: [
-              {
-                condition: "not",
-                conditions: [anyOnCondition],
-              },
-            ],
-          },
-          {
-            type: "button",
-            icon: "mdi:lightbulb",
-            tap_action: {
-              action: "perform-action",
-              perform_action: "light.turn_off",
-              target: {
-                entity_id: lightControlEntities.light,
-              },
-            },
-            visibility: [anyOnCondition],
-          }
-        );
-      }
+      const lightBadges =
+        lightControlEntities.light.length > 0
+          ? computeLightToggleHeadingBadges(lightControlEntities.light, {
+              entity_id: lightControlEntities.light,
+            })
+          : [];
 
       sections.push({
         type: "grid",

src/panels/lovelace/strategies/helpers/light-toggle-badges.ts

@@ -0,0 +1,64 @@
+import type { HassServiceTarget } from "home-assistant-js-websocket";
+import type { ButtonHeadingBadgeConfig } from "../../heading-badges/types";
+import type { Condition } from "../../common/validate-condition";
+
+/**
+ * Creates two heading badges for toggling lights: one visible when all lights
+ * are off (calls turn_on), another when any light is on (calls turn_off).
+ */
+export const computeLightToggleHeadingBadges = (
+  entityIds: string[],
+  target: HassServiceTarget,
+  options?: {
+    icon?: string;
+    turnOnText?: string;
+    turnOffText?: string;
+    turnOffColor?: string;
+    extraVisibility?: Condition[];
+  }
+): ButtonHeadingBadgeConfig[] => {
+  const icon = options?.icon ?? "mdi:lightbulb";
+
+  const anyOnCondition: Condition = {
+    condition: "or",
+    conditions: entityIds.map((entityId) => ({
+      condition: "state" as const,
+      entity: entityId,
+      state: "on",
+    })),
+  };
+
+  const extraVisibility = options?.extraVisibility ?? [];
+
+  return [
+    {
+      type: "button",
+      icon: icon,
+      ...(options?.turnOnText ? { text: options.turnOnText } : {}),
+      tap_action: {
+        action: "perform-action",
+        perform_action: "light.turn_on",
+        target: target,
+      },
+      visibility: [
+        ...extraVisibility,
+        {
+          condition: "not",
+          conditions: [anyOnCondition],
+        },
+      ],
+    },
+    {
+      type: "button",
+      icon: icon,
+      ...(options?.turnOffText ? { text: options.turnOffText } : {}),
+      ...(options?.turnOffColor ? { color: options.turnOffColor } : {}),
+      tap_action: {
+        action: "perform-action",
+        perform_action: "light.turn_off",
+        target: target,
+      },
+      visibility: [...extraVisibility, anyOnCondition],
+    },
+  ];
+};