import 'dart:async';
import 'dart:math';

import 'package:bson/bson.dart';
import 'package:dio/dio.dart';
import 'package:fikoyt_ui/core/fiko_request.dart';
import 'package:fikoyt_ui/fikoyt_ui.dart' hide FormData, MultipartFile;
import 'package:image_picker/image_picker.dart';

class Screen1Controller extends GetxController {
  // Singleton instance
  // static Screen1Controller? _instance;

  // // Private constructor
  // Screen1Controller._internal();

  // // Factory constructor to return the same instance
  // factory Screen1Controller() {
  //   _instance ??= Screen1Controller._internal();
  //   return _instance!;
  // }

  final Rx<String?> tCachhe = FikoYTEvent<String?>('FikoYT.uyar.resim.cache.value').$value;

  final Rx<String?> cardId = FikoYTEvent<String?>('FikoYT.uyar.cardId.value').$value;
  final RxList<dynamic> cardReaderList = RxList<dynamic>.empty();
  final Rx<dynamic> cardReaderInfo = Rx<dynamic>(null);
  final Rx<dynamic> deviceSettings = Rx<dynamic>(null);
  final Rx<dynamic> deviceInfo = Rx<dynamic>(null);
  final Rx<dynamic> nfcKullanici = FikoYTEvent<dynamic>('FikoYT.uyar.nfc.kullanici').$value;

  StreamSubscription<dynamic>? listenerCardId;

  @override
  void onInit() async {
    await initCardReader();
    super.onInit();
  }

  @override
  void onClose() {
    FikoYTCoreService.socket.off("FikoYT.uyar.devices.card.update");
    FikoYTCoreService.socket.off("FikoYT.uyar.devices.device.updated");
    listenerCardId?.cancel();
    super.onClose();
  }

  Future<void> cacheDegistir() async {
    FikoYTEvent<String?>('FikoYT.uyar.resim.cache.value').$value.value = Random().nextInt(10000).toString();
    tCachhe.refresh();
  }

  Future<void> initCardReader() async {
    listenerCardId = cardId.listen(
      (val) {
        if (val != "" && val != null) {
          FikoYTCoreService.ioEmit("FikoYT.uyar.nfc.kullanici", {"nfc": val}, ack: (data) async {
            nfcKullanici.value = data;

            if (data != null) {
              FikoYTCoreService.navigatorKey.currentContext?.vRouter.to("/screen-1/person-dash");
            } else {
              FikoYTCoreService.navigatorKey.currentContext?.vRouter.to("/screen-1/unknown-dash");
            }
          });
        } else {
          FikoYTCoreService.navigatorKey.currentContext?.vRouter.to("/screen-1/intro");
          nfcKullanici.value = null;
        }
        nfcKullanici.refresh();
      },
    );

    FikoYTCoreService.ioEmit("FikoYT.uyar.devices.list", "FikoYT Kart Okuyucu", ack: (data) async {
      cardReaderList.value = data ?? [];
    });
    /** */
    FikoYTCoreService.ioEmit("FikoYT.uyar.devices.info", await FikoYTCoreService.getDeviceID(), ack: (data) async {
      deviceSettings.value = data?["info"]?["settings"];
      deviceInfo.value = data;

      if (deviceSettings.value != null) {
        FikoYTCoreService.ioEmit("FikoYT.uyar.devices.info", deviceSettings.value?["cardReaderUuid"], ack: (data) async {
          cardId.value = data?["data"]?["cardId"];
          cardReaderInfo.value = data;
        });
      }
    });
    /** */
    FikoYTCoreService.socket.on(
      "FikoYT.uyar.devices.card.update",
      (data) async {
        cardId.value = data["cardUuid"];
        // print(data);
      },
    );
    /** */
    FikoYTCoreService.socket.on(
      "FikoYT.uyar.devices.device.updated",
      (data) async {
        if (data?["_id"] == cardReaderInfo.value?["_id"]) {
          cardId.value = data?["data"]?["cardId"];
          cardReaderInfo.value = data;
        }
      },
    );
  }

  Future<void> profilResmiDegistir() async {
    final ImagePicker picker = ImagePicker();
// Pick an image.
    var image = await picker.pickImage(source: ImageSource.gallery);
    // print(toJson());
    var formData = FormData();

    if (image != null) {
      var resimId = ObjectId().oid;
      formData.files.add(MapEntry(resimId, MultipartFile.fromFileSync(image.path, filename: resimId)));
    }
    formData.fields.add(MapEntry("req_body", "{}"));
    istek_yap<dynamic>(command: "FikoYT.sistem.kullanici.${FikoYTEvent('FikoYT.uyar.nfc.kullanici').value?["_id"]}.profilResmi.degistir", parameters: formData).listen((sonuc) async {
      // print("${sonuc.type} ${sonuc.requestProgress?.percent} ${sonuc.requestProgress?.total}");
      if (sonuc.type == FikoYTRequestType.RESPONDED) {
        // await Future.delayed(Duration(seconds: 1));
        await cacheDegistir();
      }
    }).onError((hata) async {});
  }
}