Feature: Add "bzyd" White Noise Night Light

SUPPORTED_DEVICES.md

@@ -20,6 +20,7 @@ Most category code is pinyin abbreviation of Chinese name.
 | Dimmer | 调光器 | tgq | Lightbulb | ✅ | [Documentation](https://developer.tuya.com/en/docs/iot/tgq?id=Kaof8ke9il4k4) |
 | Remote Control | 遥控器 | ykq | | | [Documentation](https://developer.tuya.com/en/docs/iot/ykq?id=Kaof8ljn81aov) |
 | Spotlight | 射灯 | sxd | Lightbulb | ✅ | [Documentation](https://developer.tuya.com/en/docs/iot/sxd?id=Kb7jayalltstu) |
+| White Noise Light | 白噪音灯 | bzyd | Lightbulb<br> Switch | ✅ | Documentation |
 
 
 ## Electrical Products

src/accessory/AccessoryFactory.ts

@@ -43,6 +43,7 @@ import VibrationSensorAccessory from './VibrationSensorAccessory';
 import WeatherStationAccessory from './WeatherStationAccessory';
 import DoorbellAccessory from './DoorbellAccessory';
 import PetFeederAccessory from './PetFeederAccessory';
+import WhiteNoiseLightAccessory from './WhiteNoiseLightAccessory';
 
 
 export default class AccessoryFactory {
@@ -91,6 +92,9 @@ export default class AccessoryFactory {
       case 'cjkg':
         handler = new SceneSwitchAccessory(platform, accessory);
         break;
+      case 'bzyd':
+        handler = new WhiteNoiseLightAccessory(platform, accessory);
+        break;
 
       // Large Home Appliances
       case 'kt':

src/accessory/WhiteNoiseLightAccessory.ts

@@ -0,0 +1,70 @@
+import BaseAccessory from './BaseAccessory';
+import { configureOn } from './characteristic/On';
+import { configureLight } from './characteristic/Light';
+
+const SCHEMA_CODE = {
+  LIGHT_ON: ['switch_led'],
+  LIGHT_COLOR: ['colour_data'],
+  MUSIC_ON: ['switch_music'],
+};
+
+export default class WhiteNoiseLightAccessory extends BaseAccessory {
+  requiredSchema() {
+    return [SCHEMA_CODE.LIGHT_ON, SCHEMA_CODE.MUSIC_ON];
+  }
+
+  configureServices() {
+    // Light
+    if (this.lightServiceType() === this.Service.Lightbulb) {
+      configureLight(
+        this,
+        this.lightService(),
+        this.getSchema(...SCHEMA_CODE.LIGHT_ON),
+        undefined,
+        undefined,
+        this.lightColorSchema(),
+        undefined,
+      );
+    } else if (this.lightServiceType() === this.Service.Switch) {
+      configureOn(this, undefined, this.getSchema(...SCHEMA_CODE.LIGHT_ON));
+      const unusedService = this.accessory.getService(this.Service.Lightbulb);
+      unusedService && this.accessory.removeService(unusedService);
+    }
+
+    // White Noise
+    configureOn(this, undefined, this.getSchema(...SCHEMA_CODE.MUSIC_ON));
+  }
+
+  lightColorSchema() {
+    const colorSchema = this.getSchema(...SCHEMA_CODE.LIGHT_COLOR);
+    if (!colorSchema) {
+      return;
+    }
+
+    const { h, s, v } = (colorSchema.property || {}) as never;
+    if (!h || !s || !v) {
+      // Set sensible defaults for missing properties
+      colorSchema.property = {
+        h: { min: 0, scale: 0, unit: '', max: 360, step: 1 },
+        s: { min: 0, scale: 0, unit: '', max: 1000, step: 1 },
+        v: { min: 0, scale: 0, unit: '', max: 1000, step: 1 },
+      };
+    }
+
+    return colorSchema;
+  }
+
+  lightServiceType() {
+    if (this.lightColorSchema()) {
+      return this.Service.Lightbulb;
+    }
+    return this.Service.Switch;
+  }
+
+  lightService() {
+    return (
+      this.accessory.getService(this.Service.Lightbulb) ||
+      this.accessory.addService(this.Service.Lightbulb)
+    );
+  }
+}