// ignore_for_file: constant_identifier_names, unused_import

import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:syncrow_app/features/app_layout/bloc/home_cubit.dart';
import 'package:syncrow_app/features/app_layout/model/space_model.dart';
import 'package:syncrow_app/features/devices/model/device_category_model.dart';
import 'package:syncrow_app/features/devices/model/device_control_model.dart';
import 'package:syncrow_app/features/devices/model/device_model.dart';
import 'package:syncrow_app/features/devices/view/widgets/ACs/acs_view.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/lights/lights_view.dart';
import 'package:syncrow_app/features/devices/view/widgets/three_gang/three_gang_switches.dart';
import 'package:syncrow_app/features/devices/view/widgets/smart_door/door_view.dart';
import 'package:syncrow_app/services/api/devices_api.dart';
import 'package:syncrow_app/services/api/network_exception.dart';
import 'package:syncrow_app/utils/resource_manager/constants.dart';

part 'devices_state.dart';

class DevicesCubit extends Cubit<DevicesState> {
  DevicesCubit() : super(DevicesInitial()) {
    if (HomeCubit.selectedSpace != null) {
      fetchGroups(HomeCubit.selectedSpace!.id!);
    }
  }
  bool _isClosed = false;

  @override
  Future<void> close() {
    _isClosed = true;
    return super.close();
  }

  static DevicesCubit get(context) => BlocProvider.of(context);

  static List<DevicesCategoryModel>? allCategories;

  selectCategory(int index) {
    for (var i = 0; i < allCategories!.length; i++) {
      if (i == index) {
        allCategories![i].isSelected = true;
      } else {
        allCategories![i].isSelected = false;
      }
    }
    emit(DevicesCategoryChanged());
  }

  unselectAllCategories() {
    for (var category in allCategories!) {
      category.isSelected = false;
    }
    emit(DevicesCategoryChanged());
  }

  Widget? get chosenCategoryView {
    if (allCategories != null) {
      for (var category in allCategories!) {
        if (category.isSelected) {
          switch (category.type) {
            case DeviceType.AC:
              return const ACsView();
            case DeviceType.LightBulb:
              return const LightsView();
            case DeviceType.DoorLock:
              return const DoorView();
            case DeviceType.Curtain:
              return const CurtainView();
            case DeviceType.ThreeGang:
              return const ThreeGangSwitchesView();
            case DeviceType.Gateway:
              return const GateWayView();
            default:
              return null;
          }
        }
      }
    }
    return null;
  }

  DevicesCategoryModel? get chosenCategory {
    for (var category in allCategories!) {
      if (category.isSelected) {
        return category;
      }
    }
    return null;
  }

  selectDevice(DeviceModel device) {
    for (var category in allCategories!) {
      if (category.devices != null) {
        for (var device in category.devices!) {
          if (device.isSelected) {
            category.isSelected = false;
            emit(DeviceSelected());
            return;
          }
        }
      }
    }
    device.isSelected = !device.isSelected;
    emit(DeviceSelected());
  }

  DeviceModel? getSelectedDevice() {
    for (var category in allCategories!) {
      if (category.devices != null) {
        for (var device in category.devices!) {
          if (device.isSelected) {
            return device;
          }
        }
      }
    }
    return null;
  }

  changeCategorySwitchValue(DevicesCategoryModel category) {
    if (category.devicesStatus != null) {
      category.devicesStatus = !category.devicesStatus!;
      if (category.devices != null) {
        for (var device in category.devices!) {
          device.isOnline = category.devicesStatus;
        }
      }
    } else {
      category.devicesStatus = true;
      if (category.devices != null) {
        for (var device in category.devices!) {
          device.isOnline = true;
        }
      }
    }
    updateDevicesStatus(category);

    emit(CategorySwitchChanged());
  }

  turnOnOffDevice(DeviceModel device) {
    device.isOnline = !device.isOnline!;
    DevicesCategoryModel category = allCategories!.firstWhere((category) {
      if (category.devices != null) {
        return category.devices!.contains(device);
      } else {
        return false;
      }
    });
    updateDevicesStatus(category);
    emit(DeviceSwitchChanged());
  }

  updateDevicesStatus(DevicesCategoryModel category) {
    if (category.devices != null) {
      if (category.devices!.isNotEmpty) {
        bool? tempStatus = category.devices![0].isOnline;
        for (var ac in category.devices!) {
          //check if there any ac have a different status than the initial ==> turn off the universal switch
          if (ac.isOnline != tempStatus) {
            category.devicesStatus = null;
            emit(DeviceSwitchChanged());
            return;
          }
          category.devicesStatus = tempStatus;
          emit(DeviceSwitchChanged());
        }
      } else {
        category.devicesStatus = null;
        emit(DeviceSwitchChanged());
      }
    }
  }

  turnAllDevicesOff(DevicesCategoryModel category) {
    if (category.devices != null) {
      if (category.devices!.isNotEmpty) {
        for (var device in category.devices!) {
          device.isOnline = false;
        }
        changeCategorySwitchValue(category);
        updateDevicesStatus(category);
        emit(CategorySwitchChanged());
      }
    }
  }

  turnAllDevicesOn(DevicesCategoryModel category) {
    if (category.devices != null) {
      if (category.devices!.isNotEmpty) {
        for (var device in category.devices!) {
          device.isOnline = true;
        }
        changeCategorySwitchValue(category);
        updateDevicesStatus(category);
        emit(CategorySwitchChanged());
      }
    }
  }

  areAllDevicesOff(DevicesCategoryModel category) {
    if (category.devices != null) {
      for (var device in category.devices!) {
        if (device.isOnline ?? false) {
          category.devicesStatus = false;
          emit(CategorySwitchChanged());
          return;
        }
      }
    }
  }

  clearCategoriesSelection(BuildContext context) {
    for (var category in allCategories!) {
      category.isSelected = false;
      if (category.devices != null) {
        for (var device in category.devices!) {
          device.isSelected = false;
        }
      }
    }
    Navigator.popUntil(context, (route) => route.isFirst);

    emit(DevicesCategoryChanged());
  }

  deviceControl(DeviceControlModel control) async {
    emit(DeviceControlLoading());
    try {
      await DevicesAPI.controlDevice(control);
      emit(DeviceControlSuccess());
    } on DioException catch (e) {
      emit(DeviceControlError(ServerFailure.fromDioError(e).errMessage));
    }
  }

  fetchGroups(int spaceId) async {
    if (_isClosed) return;

    try {
      emit(DevicesCategoriesLoading());
      allCategories = await DevicesAPI.fetchGroups(spaceId);
      emit(DevicesCategoriesSuccess());
    } on DioException catch (error) {
      emit(
        DevicesCategoriesError(ServerFailure.fromDioError(error).errMessage),
      );
    }
  }

  ///Lights
  onHorizontalDragUpdate(DeviceModel light, double dx, double screenWidth) {
    double newBrightness = (dx / (screenWidth - 15) * 100);
    if (newBrightness > 100) {
      newBrightness = 100;
    } else if (newBrightness < 0) {
      newBrightness = 0;
    }
    // setBrightness(light, newBrightness);
  }

  Map<int, LightMode> lightModes = {
    0: LightMode.Doze,
    1: LightMode.Relax,
    2: LightMode.Reading,
    3: LightMode.Energizing,
  };

// setLightingMode(DeviceModel light, LightMode mode) {
//   light.lightingMode =
//       lightModes.entries.firstWhere((element) => element.value == mode).key;
//   emit(LightModeChanged(mode));
// }
//
// toggleLight(DeviceModel light) {
//   light.isOnline != null ? light.isOnline = !light.isOnline! : light.isOnline = true;
//   emit(LightToggled(light));
// }
//
// setColor(DeviceModel light, int color) {
//   light.color = color;
//   emit(LightColorChanged(color));
// }
//
// int getBrightness(DeviceModel light) {
//   return light.brightness.toInt();
// }

// setBrightness(DeviceModel light, double value) {
//   value = (value / 5).ceil() * 5;
//   if (value != light.brightness) {
//     light.brightness = value;
//     emit(LightBrightnessChanged(value));
//   }
// }
}

enum LightMode {
  Doze,
  Relax,
  Reading,
  Energizing,
}