myhomie_app/lib/Screens/Main/Devices/devices.dart

import 'package:flutter/material.dart';
import 'package:mycore_api/api.dart';
import 'package:myhomie_app/Components/loading_common.dart';
import 'package:myhomie_app/Models/homieContext.dart';
import 'package:myhomie_app/Screens/Main/Devices/deviceDetailPage.dart';
import 'package:myhomie_app/app_context.dart';
import 'package:myhomie_app/constants.dart';
import 'package:provider/provider.dart';

class DevicesScreen extends StatefulWidget {
  DevicesScreen({Key? key}) : super(key: key);

  @override
  _DevicesScreenState createState() => _DevicesScreenState();
}

class _DevicesScreenState extends State<DevicesScreen> {
  bool isLoading = true;
  //List<Message> messages;

  @override
  void initState() {
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    Size size = MediaQuery.of(context).size;
    final appContext = Provider.of<AppContext>(context);
    HomieAppContext homieAppContext = appContext.getContext();

    return FutureBuilder(
        future: homieAppContext.clientAPI.deviceApi!.deviceGetAll(homieAppContext.homeId!),
        builder: (context, AsyncSnapshot<List<DeviceSummaryDTO>?> snapshot) {
          if (snapshot.connectionState == ConnectionState.done) {
            print("connectionState done");
            print(snapshot);
            if(snapshot.data != null) {
              return interfaceElements(snapshot.data!);
            } else {
              return Text("No data - or error");
            }
          } else if (snapshot.connectionState == ConnectionState.none) {
            print('ConnectionState.none');
            return Text("No data");
          } else {
            return Container(height: size.height * 0.2, child: LoadingCommon());
          }
        }
    );

    /*if(appContext.getContext().feed != null) {
      return interfaceElements();
    } else {
      return FutureBuilder(
          future: Message.getMessages(this.messages, appContext, false, true),
          builder: (context, AsyncSnapshot<List<Message>> snapshot) {
            if (snapshot.connectionState == ConnectionState.done) {
              return interfaceElements();
            } else if (snapshot.connectionState == ConnectionState.none) {
              print('ConnectionState.none');
              return Text("No data");
            } else {
              return Container(height: size.height * 0.2, child: Loading());
            }
          }
      );
    }*/
  }

  interfaceElements(List<DeviceSummaryDTO> devices) {
    Size size = MediaQuery.of(context).size;
    final appContext = Provider.of<AppContext>(context);
    HomieAppContext homieAppContext = appContext.getContext();

    return SingleChildScrollView(
      child: RefreshIndicator(
        color: Theme.of(context).primaryColor,
        displacement: 20,
        onRefresh: () async {
          print("onRefresh");
          await homieAppContext.clientAPI.deviceApi!.deviceGetAll(homieAppContext.homeId!);
        },
        child: Container(
          height: size.height * 0.85,
          child: GridView.builder(
              shrinkWrap: true,
              gridDelegate: new SliverGridDelegateWithFixedCrossAxisCount(crossAxisCount: 3, childAspectRatio: 1),
              itemCount: devices.length,
              itemBuilder: (BuildContext context, int index) {
                return InkWell(
                  onTap: () {
                    debugPrint(devices[index].toString());
                    Navigator.push(
                      context,
                      MaterialPageRoute(
                          builder: (context) => DeviceDetailPage(
                              deviceSummaryDTO: devices[index]
                          )
                      ),
                    );
                    /*setState(() {
                          //selectedSection = menuDTO.sections[index];
                          print("Hero to room detail");
                        });*/
                  },
                  child: Container(
                    decoration: boxDecorationDevice(devices[index], false),
                    padding: const EdgeInsets.all(5),
                    margin: EdgeInsets.symmetric(vertical: 8, horizontal: 8),
                    child: Stack(
                      children: [
                        Center(
                          child: Text(
                            devices[index].name!,
                            style: new TextStyle(fontSize: kDescriptionDetailSize, color: kBackgroundSecondGrey),
                            textAlign: TextAlign.center,
                          ),
                        ),

                        if(devices[index].type != null)
                          Positioned(
                              top: 5,
                              child: Row(
                                children: [
                                  Icon(
                                    getDeviceIcon(devices[index].type!),
                                    size: 20,
                                    //color: devices[index].status! ? kMainColor : kBackgroundSecondGrey,
                                  ),
                                ],
                              )
                          ),
                      ],
                    ),
                  ),
                );
              }
          ),
        ),
      ),
    );
  }
}

getDeviceIcon(DeviceType type) {
  switch(type) {
    case DeviceType.sensor:
      return Icons.sensors;
    case DeviceType.actuator:
      return Icons.devices;
    case DeviceType.camera:
      return Icons.camera_alt_outlined;
    case DeviceType.switch_:
      return Icons.toggle_off_outlined;
    case DeviceType.light:
      return Icons.light;
    case DeviceType.sound:
      return Icons.volume_up;
    case DeviceType.plug:
      return Icons.outlet_outlined;
    case DeviceType.multiplug:
      return Icons.settings_input_component_outlined;
    case DeviceType.thermostat:
      return Icons.thermostat;
    case DeviceType.valve:
      return Icons.thermostat_auto;
    case DeviceType.door:
      return Icons.door_back_door_outlined;
    case DeviceType.environment:
      return Icons.sensors_sharp;
    case DeviceType.motion:
      return Icons.directions_run;
    case DeviceType.gateway:
      return Icons.dns_outlined;
    case DeviceType.unknown:
      return Icons.question_mark;
  }
}

boxDecorationDevice(DeviceSummaryDTO deviceSummaryDTO, bool isSelected) {
  return BoxDecoration(
    color: kBackgroundLight,
    shape: BoxShape.rectangle,
    borderRadius: BorderRadius.circular(20.0),
    /*image: roomMainDetailDTO.imageSource != null ? new DecorationImage(
      fit: BoxFit.contain,
      colorFilter: !isSelected? new ColorFilter.mode(Colors.black.withOpacity(0.5), BlendMode.dstATop) : null,
      image: new NetworkImage(
        section.imageSource,
      ),
    ): null,*/
    boxShadow: [
      BoxShadow(
        color: kBackgroundSecondGrey,
        spreadRadius: 0.5,
        blurRadius: 6,
        offset: Offset(0, 1.5), // changes position of shadow
      ),
    ],
  );
}