fix selection for the devices

lib/pages/common/custom_table.dart

@@ -47,13 +47,10 @@ class _DynamicTableState extends State<DynamicTable> {
 
   void _toggleRowSelection(int index) {
     setState(() {
-      for (int i = 0; i < _selected.length; i++) {
-        _selected[i] = false;
-      }
-      _selected[index] = true;
+      _selected[index] = !_selected[index];
 
       if (widget.onRowSelected != null) {
-        widget.onRowSelected!(index, true, widget.data[index]);
+        widget.onRowSelected!(index, _selected[index], widget.data[index]);
       }
     });
   }

lib/pages/device_managment/ac/bloc/ac_bloc.dart

@@ -34,7 +34,7 @@ class AcBloc extends Bloc<AcsEvent, AcsState> {
   FutureOr<void> _onAcControl(AcControl event, Emitter<AcsState> emit) async {
     final oldValue = _getValueByCode(event.code);
 
-    _updateLocalValue(event.code, event.value);
+    _updateLocalValue(event.code, event.value, emit);
 
     emit(ACStatusLoaded(deviceStatus));
 
@@ -75,12 +75,12 @@ class AcBloc extends Bloc<AcsEvent, AcsState> {
 
   void _revertValueAndEmit(
       String deviceId, String code, dynamic oldValue, Emitter<AcsState> emit) {
-    _updateLocalValue(code, oldValue);
+    _updateLocalValue(code, oldValue, emit);
     emit(ACStatusLoaded(deviceStatus));
     emit(const AcsFailedState(error: 'Failed to control the device.'));
   }
 
-  void _updateLocalValue(String code, dynamic value) {
+  void _updateLocalValue(String code, dynamic value, Emitter<AcsState> emit) {
     switch (code) {
       case 'switch':
         if (value is bool) {

lib/pages/device_managment/ac/helper/ac_helper.dart

@@ -1,35 +0,0 @@
-// import 'package:flutter/cupertino.dart';
-// import 'package:syncrow_web/pages/device_managment/ac/control_list/ac_mode.dart';
-// import 'package:syncrow_web/pages/device_managment/ac/control_list/ac_toggle.dart';
-// import 'package:syncrow_web/pages/device_managment/ac/control_list/current_temp.dart';
-// import 'package:syncrow_web/utils/constants/assets.dart';
-
-// mixin ACHelper {
-//   Widget acHelperControlWidgets({
-//     required dynamic value,
-//     required String code,
-//     required String deviceId,
-//   }) {
-//     switch (code) {
-//       case 'switch':
-//         return AcToggle(value: value, code: code, deviceId: deviceId);
-//       case 'temp_current':
-//         return CurrentTemp(value: value, code: 'temp_set', deviceId: deviceId);
-//       case 'temp_set':
-//         return SizedBox();
-//       case 'mode':
-//         return AcMode(value: value, code: code, deviceId: deviceId);
-//       case 'level':
-//         return SizedBox();
-//       case 'child_lock':
-//         return AcToggle(
-//             value: value,
-//             code: code,
-//             deviceId: deviceId,
-//             icon: Assets.childLock,
-//             description: 'Child Lock');
-//       default:
-//         return const SizedBox();
-//     }
-//   }
-// }

lib/pages/device_managment/all_devices/bloc/device_managment_bloc.dart

@@ -13,7 +13,7 @@ class DeviceManagementBloc
   int _onlineCount = 0;
   int _offlineCount = 0;
   int _lowBatteryCount = 0;
-  AllDevicesModel? _selectedDevice;
+  List<AllDevicesModel> _selectedDevices = [];
 
   DeviceManagementBloc() : super(DeviceManagementInitial()) {
     on<FetchDevices>(_onFetchDevices);
@@ -75,7 +75,33 @@ class DeviceManagementBloc
 
   void _onSelectDevice(
       SelectDevice event, Emitter<DeviceManagementState> emit) {
-    _selectedDevice = event.selectedDevice;
+    if (_selectedDevices.contains(event.selectedDevice)) {
+      _selectedDevices.remove(event.selectedDevice);
+    } else {
+      _selectedDevices.add(event.selectedDevice);
+    }
+
+    bool isControlButtonEnabled = _selectedDevices.length == 1;
+
+    if (state is DeviceManagementLoaded) {
+      emit(DeviceManagementLoaded(
+        devices: _devices,
+        selectedIndex: _selectedIndex,
+        onlineCount: _onlineCount,
+        offlineCount: _offlineCount,
+        lowBatteryCount: _lowBatteryCount,
+        selectedDevice: isControlButtonEnabled ? _selectedDevices.first : null,
+      ));
+    } else if (state is DeviceManagementFiltered) {
+      emit(DeviceManagementFiltered(
+        filteredDevices: (state as DeviceManagementFiltered).filteredDevices,
+        selectedIndex: _selectedIndex,
+        onlineCount: _onlineCount,
+        offlineCount: _offlineCount,
+        lowBatteryCount: _lowBatteryCount,
+        selectedDevice: isControlButtonEnabled ? _selectedDevices.first : null,
+      ));
+    }
   }
 
   void _calculateDeviceCounts() {
@@ -135,5 +161,5 @@ class DeviceManagementBloc
     }
   }
 
-  AllDevicesModel? get selectedDevice => _selectedDevice;
+  List<AllDevicesModel> get selectedDevices => _selectedDevices;
 }

lib/pages/device_managment/all_devices/bloc/device_managment_state.dart

@@ -66,3 +66,12 @@ class DeviceManagementFiltered extends DeviceManagementState {
         selectedDevice
       ];
 }
+
+class DeviceSelectionUpdated extends DeviceManagementState {
+  final List<AllDevicesModel> selectedDevices;
+
+  const DeviceSelectionUpdated(this.selectedDevices);
+
+  @override
+  List<Object?> get props => [selectedDevices];
+}

lib/pages/device_managment/all_devices/widgets/device_managment_body.dart

@@ -26,6 +26,7 @@ class DeviceManagementBody extends StatelessWidget with HelperResponsiveLayout {
         int onlineCount = 0;
         int offlineCount = 0;
         int lowBatteryCount = 0;
+        bool isControlButtonEnabled = false;
 
         if (state is DeviceManagementLoaded) {
           devicesToShow = state.devices;
@@ -33,12 +34,14 @@ class DeviceManagementBody extends StatelessWidget with HelperResponsiveLayout {
           onlineCount = state.onlineCount;
           offlineCount = state.offlineCount;
           lowBatteryCount = state.lowBatteryCount;
+          isControlButtonEnabled = state.selectedDevice != null;
         } else if (state is DeviceManagementFiltered) {
           devicesToShow = state.filteredDevices;
           selectedIndex = state.selectedIndex;
           onlineCount = state.onlineCount;
           offlineCount = state.offlineCount;
           lowBatteryCount = state.lowBatteryCount;
+          isControlButtonEnabled = state.selectedDevice != null;
         }
 
         final tabs = [
@@ -77,20 +80,28 @@ class DeviceManagementBody extends StatelessWidget with HelperResponsiveLayout {
                       decoration: containerDecoration,
                       child: Center(
                         child: DefaultButton(
-                          onPressed: () {
-                            final selectedDevice = context
-                                .read<DeviceManagementBloc>()
-                                .selectedDevice;
-                            if (selectedDevice != null) {
-                              showDialog(
-                                context: context,
-                                builder: (context) =>
-                                    DeviceControlDialog(device: selectedDevice),
-                              );
-                            }
-                          },
+                          onPressed: isControlButtonEnabled
+                              ? () {
+                                  final selectedDevice = context
+                                      .read<DeviceManagementBloc>()
+                                      .selectedDevices
+                                      .first;
+                                  showDialog(
+                                    context: context,
+                                    builder: (context) => DeviceControlDialog(
+                                        device: selectedDevice),
+                                  );
+                                }
+                              : null,
                           borderRadius: 9,
-                          child: const Text('Control'),
+                          child: Text(
+                            'Control',
+                            style: TextStyle(
+                              color: isControlButtonEnabled
+                                  ? Colors.white
+                                  : Colors.grey,
+                            ),
+                          ),
                         ),
                       ),
                     ),
@@ -106,11 +117,10 @@ class DeviceManagementBody extends StatelessWidget with HelperResponsiveLayout {
                 child: DynamicTable(
                   cellDecoration: containerDecoration,
                   onRowSelected: (index, isSelected, row) {
-                    if (isSelected) {
-                      context
-                          .read<DeviceManagementBloc>()
-                          .add(SelectDevice(devicesToShow[index]));
-                    }
+                    final selectedDevice = devicesToShow[index];
+                    context
+                        .read<DeviceManagementBloc>()
+                        .add(SelectDevice(selectedDevice));
                   },
                   withCheckBox: true,
                   size: context.screenSize,