syncrow-app/lib/features/scene/bloc/create_scene/create_scene_bloc.dart

import 'dart:async';
import 'package:bloc/bloc.dart';
import 'package:equatable/equatable.dart';
import 'package:syncrow_app/features/devices/model/device_control_model.dart';
import 'package:syncrow_app/features/scene/enum/create_scene_enum.dart';
import 'package:syncrow_app/features/scene/enum/operation_dialog_type.dart';
import 'package:syncrow_app/features/scene/helper/scene_operations_data_helper.dart';
import 'package:syncrow_app/features/scene/model/create_automation_model.dart';
import 'package:syncrow_app/features/scene/model/create_scene_model.dart';
import 'package:syncrow_app/features/scene/model/scene_static_function.dart';
import 'package:syncrow_app/services/api/scene_api.dart';

part 'create_scene_event.dart';
part 'create_scene_state.dart';

class CreateSceneBloc extends Bloc<CreateSceneEvent, CreateSceneState>
    with SceneOperationsDataHelper {
  CreateSceneBloc() : super(CreateSceneInitial()) {
    on<CreateSceneWithTasksEvent>(_createSceneWithTasks);
    on<AddTaskEvent>(_onAddSceneTask);
    on<SelectedValueEvent>(_selectedValue);
    on<RemoveTaskByIdEvent>(_removeTaskById);
    on<ClearTaskListEvent>(_clearTaskList);
    on<ClearTempTaskListEvent>(_clearTempTaskList);
    on<FetchSceneTasksEvent>(_fetchSceneTasks);
    on<TempHoldSceneTasksEvent>(_onTempHoldSceneTask);
    on<RemoveTempTaskByIdEvent>(_removeTempTaskById);
    on<RemoveFromSelectedValueById>(_removeFromSelectedValueById);
    on<DeleteSceneEvent>(_deleteScene);
    on<UpdateTaskEvent>(_updateTaskValue);
    on<SelectConditionEvent>(_selectConditionRule);
    on<SceneTypeEvent>(_sceneTypeEvent);
    on<EffectiveTimePeriodEvent>(_onEffectiveTimeEvent);
  }

  CreateSceneEnum sceneType = CreateSceneEnum.none;

  /// tab to run values and list
  List<SceneStaticFunction> tasksList = [];
  List<SceneStaticFunction> tempTasksList = [];
  final Map<String, dynamic> selectedValues = {};

  /// automation values and list
  List<SceneStaticFunction> automationTasksList = [];
  List<SceneStaticFunction> automationTempTasksList = [];
  final Map<String, dynamic> automationSelectedValues = {};
  final Map<String, String> automationComparatorValues = {};
  String conditionRule = 'or';
  EffectiveTime? effectiveTime;

  FutureOr<void> _onAddSceneTask(AddTaskEvent event, Emitter<CreateSceneState> emit) {
    emit(CreateSceneLoading());
    if (event.isAutomation == true) {
      final copyList = List<SceneStaticFunction>.from(automationTempTasksList);
      automationTasksList.addAll(copyList);
      automationTempTasksList.clear();
      automationSelectedValues.clear();
      automationComparatorValues.clear();
      emit(AddSceneTask(
        automationTasksList: automationTasksList,
        tasksList: tasksList,
        condition: conditionRule,
      ));
    } else {
      final copyList = List<SceneStaticFunction>.from(tempTasksList);
      tasksList.addAll(copyList);
      tempTasksList.clear();
      selectedValues.clear();
      emit(AddSceneTask(
        tasksList: tasksList,
        automationTasksList: automationTasksList,
        condition: conditionRule,
      ));
    }
  }

  FutureOr<void> _onTempHoldSceneTask(
      TempHoldSceneTasksEvent event, Emitter<CreateSceneState> emit) {
    if (event.isAutomation == true) {
      addToTempAutomationTaskList(event, emit);
    } else {
      addToTempTaskList(event, emit);
    }
  }

  void addToTempTaskList(TempHoldSceneTasksEvent event, Emitter<CreateSceneState> emit) {
    emit(CreateSceneLoading());
    bool updated = false;
    for (var element in tempTasksList) {
      if (element.code == event.deviceControlModel.code) {
        // Update the existing function with new values
        var updatedElement = element.copyWith(
          operationName: event.operation,
          deviceName: event.deviceName,
          icon: event.icon,
          code: event.deviceControlModel.code ?? '',
          deviceId: event.deviceId,
          functionValue: event.deviceControlModel.value,
          operationDialogType: event.operationType,
          operationalValues: [
            SceneOperationalValue(
              value: event.deviceControlModel.value,
              icon: '',
            ),
          ],
        );
        tempTasksList[tempTasksList.indexOf(element)] = updatedElement;
        selectedValues[updatedElement.code] = event.deviceControlModel.value;
        updated = true;
        break;
      }
    }
    if (!updated) {
      var newElement = SceneStaticFunction(
        operationName: event.operation,
        deviceName: event.deviceName,
        icon: event.icon,
        code: event.deviceControlModel.code ?? '',
        operationDialogType: event.operationType,
        deviceId: event.deviceId,
        functionValue: event.deviceControlModel.value,
        operationalValues: [
          SceneOperationalValue(
            value: event.deviceControlModel.value,
            icon: '',
          ),
        ],
      );
      tempTasksList.add(newElement);
      selectedValues[newElement.code] = event.deviceControlModel.value;
    }

    emit(AddSceneTask(
      tasksList: tasksList,
      automationTasksList: automationTasksList,
      condition: conditionRule,
    ));
  }

  void addToTempAutomationTaskList(TempHoldSceneTasksEvent event, Emitter<CreateSceneState> emit) {
    emit(CreateSceneLoading());
    bool updated = false;
    for (var element in automationTempTasksList) {
      if (element.code == event.deviceControlModel.code) {
        // Update the existing function with new values
        var updatedElement = element.copyWith(
          operationName: event.operation,
          deviceName: event.deviceName,
          icon: event.icon,
          code: event.deviceControlModel.code ?? '',
          deviceId: event.deviceId,
          functionValue: event.deviceControlModel.value,
          operationDialogType: event.operationType,
          operationalValues: [
            SceneOperationalValue(
              value: event.deviceControlModel.value,
              icon: '',
            ),
          ],
          comparator: automationComparatorValues[element.code],
        );
        automationTempTasksList[automationTempTasksList.indexOf(element)] = updatedElement;
        automationSelectedValues[updatedElement.code] = event.deviceControlModel.value;
        updated = true;
        break;
      }
    }
    if (!updated) {
      var newElement = SceneStaticFunction(
        operationName: event.operation,
        deviceName: event.deviceName,
        icon: event.icon,
        code: event.deviceControlModel.code ?? '',
        operationDialogType: event.operationType,
        deviceId: event.deviceId,
        functionValue: event.deviceControlModel.value,
        operationalValues: [
          SceneOperationalValue(
            value: event.deviceControlModel.value,
            icon: '',
          ),
        ],
        comparator: automationComparatorValues[event.deviceControlModel.code] ?? '==',
      );
      automationTempTasksList.add(newElement);
      automationSelectedValues[newElement.code] = event.deviceControlModel.value;
    }
    emit(AddSceneTask(
      tasksList: tasksList,
      automationTasksList: automationTasksList,
      condition: conditionRule,
    ));
  }

  FutureOr<void> _selectedValue(SelectedValueEvent event, Emitter<CreateSceneState> emit) {
    if (event.isAutomation == true) {
      automationSelectedValues[event.code] = event.value;
      automationComparatorValues[event.code] = event.comparator ?? '==';

      // Update the comparator value for the specific task in automationTasksList
      for (int i = 0; i < automationTasksList.length; i++) {
        if (automationTasksList[i].code == event.code) {
          automationTasksList[i] = automationTasksList[i].copyWith(
            comparator: event.comparator ?? '==',
            functionValue: event.value,
          );
          break;
        }
      }
    } else {
      selectedValues[event.code] = event.value;
    }
    emit(SelectedTaskValueState(value: event.value));
    emit(AddSceneTask(
      tasksList: List.from(tasksList),
      automationTasksList: List.from(
        automationTasksList,
      ),
      condition: conditionRule,
    ));
  }

  FutureOr<void> _removeTaskById(RemoveTaskByIdEvent event, Emitter<CreateSceneState> emit) {
    emit(CreateSceneLoading());
    if (event.isAutomation == true) {
      for (var element in automationTasksList) {
        if (element.uniqueCustomId == event.taskId) {
          automationTasksList.remove(element);
          emit(AddSceneTask(
            tasksList: tasksList,
            automationTasksList: automationTasksList,
            condition: conditionRule,
          ));
          break;
        }
      }
    } else {
      for (var element in tasksList) {
        if (element.uniqueCustomId == event.taskId) {
          tasksList.remove(element);

          emit(AddSceneTask(
            tasksList: tasksList,
            automationTasksList: automationTasksList,
            condition: conditionRule,
          ));
          break;
        }
      }
    }
  }

  FutureOr<void> _removeTempTaskById(
      RemoveTempTaskByIdEvent event, Emitter<CreateSceneState> emit) {
    emit(CreateSceneLoading());
    if (event.isAutomation == true) {
      for (var element in automationTempTasksList) {
        if (element.uniqueCustomId == event.code) {
          automationTempTasksList.remove(element);
          emit(AddSceneTask(
            tasksList: tasksList,
            automationTasksList: automationTasksList,
            condition: conditionRule,
          ));
          break;
        }
      }
    } else {
      for (var element in tempTasksList) {
        if (element.code == event.code) {
          tempTasksList.remove(element);

          emit(AddSceneTask(
            tasksList: tasksList,
            automationTasksList: automationTasksList,
            condition: conditionRule,
          ));

          break;
        }
      }
    }
  }

  FutureOr<void> _createSceneWithTasks(
      CreateSceneWithTasksEvent event, Emitter<CreateSceneState> emit) async {
    emit(CreateSceneLoading());
    try {
      dynamic response;
      if (event.createSceneModel != null) {
        response = event.updateScene
            ? await SceneApi.updateScene(event.createSceneModel!, event.sceneId)
            : await SceneApi.createScene(event.createSceneModel!);
      } else if (event.createAutomationModel != null) {
        response = event.updateScene
            ? await SceneApi.updateAutomation(event.createAutomationModel!, event.sceneId)
            : await SceneApi.createAutomation(event.createAutomationModel!);
      }

      if (response['success'] == true) {
        tasksList.clear();
        tempTasksList.clear();
        selectedValues.clear();
        automationTasksList.clear();
        automationTempTasksList.clear();
        automationSelectedValues.clear();
        automationComparatorValues.clear();
        effectiveTime = null;
        sceneType = CreateSceneEnum.none;
        conditionRule = 'or';
        emit(const CreateSceneWithTasks(success: true));
      } else {
        emit(const CreateSceneError(message: 'Something went wrong'));
      }
    } catch (e) {
      emit(const CreateSceneError(message: 'Something went wrong'));
      emit(AddSceneTask(
        tasksList: tasksList,
        automationTasksList: automationTasksList,
        condition: conditionRule,
      ));
    }
  }

  FutureOr<void> _clearTaskList(ClearTaskListEvent event, Emitter<CreateSceneState> emit) {
    emit(CreateSceneLoading());
    automationTasksList.clear();
    tasksList.clear();
    emit(AddSceneTask(
      tasksList: tasksList,
      automationTasksList: automationTasksList,
      condition: conditionRule,
    ));
  }

  FutureOr<void> _fetchSceneTasks(
      FetchSceneTasksEvent event, Emitter<CreateSceneState> emit) async {
    emit(CreateSceneLoading());

    try {
      final response = event.isAutomation
          ? await SceneApi.getAutomationDetails(event.sceneId)
          : await SceneApi.getSceneDetails(event.sceneId);
      if (response.id.isNotEmpty) {
        if (event.isAutomation) {
          automationTasksList = List<SceneStaticFunction>.from(getTaskListFunctionsFromApi(
              actions: [], isAutomation: true, conditions: response.conditions));
          tasksList = List<SceneStaticFunction>.from(
              getTaskListFunctionsFromApi(actions: response.actions, isAutomation: false));

          conditionRule = response.decisionExpr ?? conditionRule;

          emit(AddSceneTask(
            automationTasksList: automationTasksList,
            tasksList: tasksList,
            condition: conditionRule,
          ));
        } else {
          tasksList = List<SceneStaticFunction>.from(
              getTaskListFunctionsFromApi(actions: response.actions, isAutomation: false));
          emit(AddSceneTask(
            tasksList: tasksList,
            condition: conditionRule,
          ));
        }
      } else {
        emit(const CreateSceneError(message: 'Something went wrong'));
      }
    } catch (e) {
      emit(const CreateSceneError(message: 'Something went wrong'));
    }
  }

  FutureOr<void> _clearTempTaskList(ClearTempTaskListEvent event, Emitter<CreateSceneState> emit) {
    emit(CreateSceneLoading());
    if (event.isAutomation == true) {
      automationTempTasksList.clear();
      automationSelectedValues.clear();
      automationComparatorValues.clear();
      emit(AddSceneTask(
        tasksList: tasksList,
        automationTasksList: automationTasksList,
        condition: conditionRule,
      ));
    } else {
      tempTasksList.clear();
      selectedValues.clear();
      emit(AddSceneTask(
        tasksList: tasksList,
        automationTasksList: automationTasksList,
        condition: conditionRule,
      ));
    }
  }

  FutureOr<void> _removeFromSelectedValueById(
      RemoveFromSelectedValueById event, Emitter<CreateSceneState> emit) {
    emit(CreateSceneLoading());
    if (event.isAutomation == true) {
      if (automationSelectedValues.containsKey(event.code)) {
        automationSelectedValues.remove(event.code);
        automationComparatorValues.remove(event.code);
        emit(const SelectedTaskValueState(value: null));
        emit(AddSceneTask(
          tasksList: tasksList,
          automationTasksList: automationTasksList,
          condition: conditionRule,
        ));
      }
    } else {
      if (selectedValues.containsKey(event.code)) {
        selectedValues.remove(event.code);
        emit(const SelectedTaskValueState(value: null));
        emit(AddSceneTask(
          tasksList: tasksList,
          automationTasksList: automationTasksList,
          condition: conditionRule,
        ));
      }
    }
  }

  FutureOr<void> _deleteScene(DeleteSceneEvent event, Emitter<CreateSceneState> emit) async {
    emit(DeleteSceneLoading());

    try {
      final response = sceneType.name == CreateSceneEnum.deviceStatusChanges.name
          ? await SceneApi.deleteAutomation(automationId: event.sceneId, unitUuid: event.unitUuid)
          : await SceneApi.deleteScene(sceneId: event.sceneId, unitUuid: event.unitUuid);
      if (response == true) {
        emit(const DeleteSceneSuccess(true));
      } else {
        emit(const DeleteSceneError(message: 'Something went wrong'));
      }
    } catch (e) {
      emit(const DeleteSceneError(message: 'Something went wrong'));
    }
  }

  FutureOr<void> _updateTaskValue(UpdateTaskEvent event, Emitter<CreateSceneState> emit) {
    emit(CreateSceneLoading());
    if (event.isAutomation == true) {
      for (var i = 0; i < automationTasksList.length; i++) {
        if (automationTasksList[i].uniqueCustomId == event.taskId) {
          automationTasksList[i] = automationTasksList[i].copyWith(
            functionValue: event.newValue,
          );
          break;
        }
      }
    } else {
      for (var i = 0; i < tasksList.length; i++) {
        if (tasksList[i].uniqueCustomId == event.taskId) {
          tasksList[i] = tasksList[i].copyWith(
            functionValue: event.newValue,
          );
          break;
        }
      }
    }
    emit(AddSceneTask(
      tasksList: tasksList,
      automationTasksList: automationTasksList,
      condition: conditionRule,
    ));
  }

  FutureOr<void> _selectConditionRule(SelectConditionEvent event, Emitter<CreateSceneState> emit) {
    emit(CreateSceneInitial());
    if (event.condition.contains('any')) {
      conditionRule = 'or';
    } else {
      conditionRule = 'and';
    }

    emit(AddSceneTask(
      tasksList: tasksList,
      automationTasksList: automationTasksList,
      condition: conditionRule,
    ));
  }

  FutureOr<void> _sceneTypeEvent(SceneTypeEvent event, Emitter<CreateSceneState> emit) {
    emit(CreateSceneInitial());

    if (event.type == CreateSceneEnum.tabToRun) {
      sceneType = CreateSceneEnum.tabToRun;
    } else if (event.type == CreateSceneEnum.deviceStatusChanges) {
      sceneType = CreateSceneEnum.deviceStatusChanges;
    } else {
      sceneType = CreateSceneEnum.none;
    }

    emit(SceneTypeState(event.type));
  }

  FutureOr<void> _onEffectiveTimeEvent(
      EffectiveTimePeriodEvent event, Emitter<CreateSceneState> emit) {
    effectiveTime = event.period;
  }
}