finished select period dialog design

lib/features/scene/bloc/effective_period/effect_period_bloc.dart

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+import 'package:bloc/bloc.dart';
+import 'package:syncrow_app/features/scene/bloc/effective_period/effect_period_event.dart';
+import 'package:syncrow_app/features/scene/bloc/effective_period/effect_period_state.dart';
+
+class EffectPeriodBloc extends Bloc<EffectPeriodEvent, EffectPeriodState> {
+  EffectPeriodBloc() : super(EffectPeriodState.initial()) {
+    on<SetPeriod>(_onSetPeriod);
+    on<ToggleDay>(_onToggleDay);
+    on<SetCustomTime>(_onSetCustomTime);
+  }
+
+  void _onSetPeriod(SetPeriod event, Emitter<EffectPeriodState> emit) {
+    emit(state.copyWith(selectedPeriod: event.period));
+  }
+
+  void _onToggleDay(ToggleDay event, Emitter<EffectPeriodState> emit) {
+    final days = List.of(state.selectedDays);
+    if (days.contains(event.day)) {
+      days.remove(event.day);
+    } else {
+      days.add(event.day);
+    }
+    emit(state.copyWith(selectedDays: days));
+  }
+
+  void _onSetCustomTime(SetCustomTime event, Emitter<EffectPeriodState> emit) {
+    emit(state.copyWith(
+        customStartTime: event.startTime, customEndTime: event.endTime));
+  }
+}

lib/features/scene/bloc/effective_period/effect_period_event.dart

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+import 'package:equatable/equatable.dart';
+
+abstract class EffectPeriodEvent extends Equatable {
+  const EffectPeriodEvent();
+
+  @override
+  List<Object> get props => [];
+}
+
+class SetPeriod extends EffectPeriodEvent {
+  final String period;
+
+  const SetPeriod(this.period);
+
+  @override
+  List<Object> get props => [period];
+}
+
+class ToggleDay extends EffectPeriodEvent {
+  final String day;
+
+  const ToggleDay(this.day);
+
+  @override
+  List<Object> get props => [day];
+}
+
+class SetCustomTime extends EffectPeriodEvent {
+  final String startTime;
+  final String endTime;
+
+  const SetCustomTime(this.startTime, this.endTime);
+
+  @override
+  List<Object> get props => [startTime, endTime];
+}

lib/features/scene/bloc/effective_period/effect_period_state.dart

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+import 'package:equatable/equatable.dart';
+
+class EffectPeriodState extends Equatable {
+  final String selectedPeriod;
+  final List<String> selectedDays;
+  final String? customStartTime;
+  final String? customEndTime;
+
+  const EffectPeriodState({
+    required this.selectedPeriod,
+    required this.selectedDays,
+    this.customStartTime,
+    this.customEndTime,
+  });
+
+  factory EffectPeriodState.initial() {
+    return const EffectPeriodState(
+      selectedPeriod: 'All Day',
+      selectedDays: [],
+      customStartTime: null,
+      customEndTime: null,
+    );
+  }
+
+  EffectPeriodState copyWith({
+    String? selectedPeriod,
+    List<String>? selectedDays,
+    String? customStartTime,
+    String? customEndTime,
+  }) {
+    return EffectPeriodState(
+      selectedPeriod: selectedPeriod ?? this.selectedPeriod,
+      selectedDays: selectedDays ?? this.selectedDays,
+      customStartTime: customStartTime ?? this.customStartTime,
+      customEndTime: customEndTime ?? this.customEndTime,
+    );
+  }
+
+  @override
+  List<Object?> get props =>
+      [selectedPeriod, selectedDays, customStartTime, customEndTime];
+}