Add Scene Switch support (cjkg). (#140)

* Add Scene Switch support (`cjkg`).

* Update docs

CHANGELOG.md

@@ -8,6 +8,7 @@
 - Add Wireless Switch support (`wxkg`).
 - Add Solar Light support (`tyndj`).
 - Add Dehumidifier support (`cs`).
+- Add Scene Switch support (`wxkg`).
 
 ### Changed
 - Support Ceiling Fan icon customize and Floor Fan `lock`, `swing` feature. (#131)

README.md

@@ -24,6 +24,7 @@ Fork version of official Tuya Homebridge plugin. Brings a lot of bug fix and new
     - [Dimmer] Dual Dimmer (`tgq`)
     - [Dimmer] Dual Dimmer Switch (`tgkg`)
     - [Switch] Scene Light Socket (`qjdcz`)
+    - [Switch] Scene Switch (`cjkg`)
     - [StatelessProgrammableSwitch] Wireless Switch (`wxkg`)
     - [Fanv2] Ceiling Fan Light (`fsd`)
     - [Window] Door and Window Controller (`mc`)

SUPPORTED_DEVICES.md

@@ -29,7 +29,7 @@ Most category code is pinyin abbreviation of Chinese name.
 | Switch | 开关 | kg, tdq | Switch | ✅ |
 | Socket | 插座 | cz | Outlet | ✅ |
 | Power Strip | 排插 | pc | Outlet | ✅ |
-| Scene Switch | 场景开关 | cjkg | | |
+| Scene Switch | 场景开关 | cjkg | Switch | ✅ |
 | Card Switch | 插卡取电开关 | ckqdkg | | |
 | Curtain Switch | 窗帘开关 | clkg | Window Covering | ✅ |
 | Garage Door Opener | 车库门控制器 | ckmkzq | Garage Door Opener | ✅ |

src/accessory/AccessoryFactory.ts

@@ -8,6 +8,7 @@ import DimmerAccessory from './DimmerAccessory';
 import OutletAccessory from './OutletAccessory';
 import SwitchAccessory from './SwitchAccessory';
 import WirelessSwitchAccessory from './WirelessSwitchAccessory';
+import SceneSwitchAccessory from './SceneSwitchAccessory';
 import FanAccessory from './FanAccessory';
 import GarageDoorAccessory from './GarageDoorAccessory';
 import WindowAccessory from './WindowAccessory';
@@ -70,6 +71,9 @@ export default class AccessoryFactory {
       case 'wxkg':
         handler = new WirelessSwitchAccessory(platform, accessory);
         break;
+      case 'cjkg':
+        handler = new SceneSwitchAccessory(platform, accessory);
+        break;
       case 'fs':
       case 'fsd':
       case 'fskg':

src/accessory/SceneSwitchAccessory.ts

@@ -0,0 +1,48 @@
+import { TuyaDeviceSchema, TuyaDeviceSchemaType } from '../device/TuyaDevice';
+import BaseAccessory from './BaseAccessory';
+
+export default class SceneSwitchAccessory extends BaseAccessory {
+
+  configureServices() {
+    const schema = this.device.schema.filter((schema) => schema.code.startsWith('switch') && schema.type === TuyaDeviceSchemaType.Boolean);
+    for (const _schema of schema) {
+      const name = (schema.length === 1) ? this.device.name : _schema.code;
+      this.configureSwitch(_schema, name);
+    }
+  }
+
+  configureSwitch(schema: TuyaDeviceSchema, name: string) {
+    if (!schema) {
+      return;
+    }
+
+    const service = this.accessory.getService(schema.code)
+      || this.accessory.addService(this.Service.Switch, name, schema.code);
+
+    service.setCharacteristic(this.Characteristic.Name, name);
+    if (!service.testCharacteristic(this.Characteristic.ConfiguredName)) {
+      service.addOptionalCharacteristic(this.Characteristic.ConfiguredName); // silence warning
+      service.setCharacteristic(this.Characteristic.ConfiguredName, name);
+    }
+
+    const suffix = schema.code.replace('switch', '');
+    const modeSchema = this.getSchema('mode' + suffix);
+    service.getCharacteristic(this.Characteristic.On)
+      .onGet(() => {
+        const status = this.getStatus(schema.code)!;
+        return status.value as boolean;
+      })
+      .onSet((value) => {
+        if (modeSchema) {
+          const mode = this.getStatus(modeSchema.code)!;
+          if ((mode.value as string).startsWith('scene')) {
+            this.sendCommands([{ code: schema.code, value: false }]);
+            return;
+          }
+        }
+
+        this.sendCommands([{ code: schema.code, value: value as boolean }]);
+      });
+  }
+
+}