Converted all the devices models to extends from DeviceModel for the purpose of unifying.

Initialized Lights feature.

lib/features/devices/bloc/devices_cubit.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:syncrow_app/features/devices/model/ac_model.dart';
+import 'package:syncrow_app/features/devices/model/light_model.dart';
 import 'package:syncrow_app/features/devices/view/widgets/curtains/curtain_view.dart';
 import 'package:syncrow_app/features/devices/view/widgets/gateway/gateway_view.dart';
 import 'package:syncrow_app/features/devices/view/widgets/screens/screens_view.dart';
@@ -28,7 +29,7 @@ class DevicesCubit extends Cubit<DevicesState> {
 
   static DevicesCubit get(context) => BlocProvider.of(context);
 
-  static var categories = <DevicesCategoryModel>[
+  static List<DevicesCategoryModel> categories = [
     DevicesCategoryModel(
       devices: [
         ACModel(
@@ -38,6 +39,10 @@ class DevicesCubit extends Cubit<DevicesState> {
           temperature: 20,
           fanSpeed: 0,
           tempMode: 0,
+          type: '',
+          location: '',
+          image: '',
+          timer: null,
         ),
         ACModel(
           name: "Master Bedroom AC",
@@ -46,6 +51,10 @@ class DevicesCubit extends Cubit<DevicesState> {
           temperature: 20,
           fanSpeed: 0,
           tempMode: 0,
+          type: '',
+          location: '',
+          image: '',
+          timer: null,
         ),
       ],
       icon: Assets.iconsAC,
@@ -54,7 +63,32 @@ class DevicesCubit extends Cubit<DevicesState> {
       page: const ACsView(),
     ),
     DevicesCategoryModel(
-      devices: [],
+      devices: [
+        LightModel(
+          name: "Living Room Light",
+          id: '0',
+          status: false,
+          color: 0,
+          brightness: 20,
+          lightingMode: 1,
+          timer: null,
+          type: '',
+          location: '',
+          image: '',
+        ),
+        LightModel(
+          name: "Master Bedroom Light",
+          id: '1',
+          status: false,
+          color: 2,
+          brightness: 40,
+          lightingMode: 1,
+          timer: null,
+          type: '',
+          location: '',
+          image: '',
+        ),
+      ],
       icon: Assets.iconsLight,
       name: 'Lights',
       type: DeviceType.Lights,
@@ -101,7 +135,7 @@ class DevicesCubit extends Cubit<DevicesState> {
 
   void areAllDevicesOff(DevicesCategoryModel category) {
     for (var device in category.devices) {
-      if (device.status) {
+      if (device.status ?? false) {
         category.devicesStatus = false;
         emit(CategorySwitchChanged());
         return;