unloading_confirmation_dialog.dart

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import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
 
import '../../../../../core/ui/theme/color_palette.dart';
import '../../domain/entities/warehouse_responsible_entity.dart';
import '../bloc/unloading_bloc.dart';
import '../bloc/unloading_event.dart';
import '../bloc/unloading_state.dart';
 
void showUnloadingConfirmationDialog({
  required BuildContext context,
  required Function(String user, double firstWeight) onConfirm,
  required String userId,
}) {
  String? selectedUser;
  final TextEditingController firstWeightController = TextEditingController();
  
  // Trigger the event to load warehouse responsible list
  context.read<UnloadingBloc>().add(GetWarehouseResponsibleListEvent(userId: int.parse(userId)));
  
  showDialog(
    context: context,
    builder: (BuildContext context) {
      return BlocBuilder<UnloadingBloc, UnloadingState>(
        builder: (context, state) {
          if (state is GetWarehouseResponsibleLoading) {
            return Dialog(
              shape: RoundedRectangleBorder(
                borderRadius: BorderRadius.circular(16.sp),
              ),
              child: Container(
                padding: EdgeInsets.all(20.sp),
                child: Column(
                  mainAxisSize: MainAxisSize.min,
                  children: [
                    CircularProgressIndicator(),
                    SizedBox(height: 16.sp),
                    Text('Loading warehouse responsible list...')
                  ],
                ),
              ),
            );
          } else if (state is GetWarehouseResponsibleLoaded) {
            final List<WarehouseResponsibleEntity> responsibleList = state.warehouseResponsibleList;
            
            return StatefulBuilder(
              builder: (context, setState) {
                bool isFormValid() {
                  return selectedUser != null && 
                         firstWeightController.text.isNotEmpty &&
                         double.tryParse(firstWeightController.text) != null;
                }
                
                return Dialog(
                  shape: RoundedRectangleBorder(
                    borderRadius: BorderRadius.circular(14.sp),
                  ),
                  elevation: 0,
                  backgroundColor: Colors.transparent,
                  child: SingleChildScrollView(
                    child: Container(
                      padding: EdgeInsets.all(20.sp),
                      decoration: BoxDecoration(
                        color: Colors.white,
                        borderRadius: BorderRadius.circular(16.sp),
                        boxShadow: [
                          BoxShadow(
                            color: Colors.black.withValues(alpha: 0.1),
                            blurRadius: 10,
                            offset: const Offset(0, 5),
                          ),
                        ],
                      ),
                      child: Column(
                        mainAxisSize: MainAxisSize.min,
                        children: [
                          Container(
                            padding: EdgeInsets.all(12.sp),
                            decoration: BoxDecoration(
                              color: ColorPalette.darkGreen.withValues(alpha: 0.1),
                              shape: BoxShape.circle,
                            ),
                            child: Icon(
                              Icons.check_circle_outline,
                              color: ColorPalette.darkGreen,
                              size: 40.sp,
                            ),
                          ),
                          SizedBox(height: 16.sp),
                          Text(
                            'unloading.confirmation_dialog.title'.tr(),
                            style: TextStyle(
                              fontSize: 20.sp,
                              fontWeight: FontWeight.bold,
                              color: Colors.black87,
                            ),
                          ),
                          SizedBox(height: 8.sp),
                          Text(
                            'unloading.confirmation_dialog.instruction'.tr(),
                            textAlign: TextAlign.center,
                            style: TextStyle(
                              fontSize: 14.sp,
                              color: Colors.grey[600],
                            ),
                          ),
                          SizedBox(height: 24.sp),
                          Container(
                            padding: EdgeInsets.symmetric(horizontal: 12.sp),
                            decoration: BoxDecoration(
                              borderRadius: BorderRadius.circular(8.sp),
                              border: Border.all(color: Colors.grey[300]!),
                            ),
                            child: DropdownButtonHideUnderline(
                              child: DropdownButton<String>(
                                isExpanded: true,
                                hint: Text(
                                  'unloading.confirmation_dialog.select_responsible'.tr(),
                                  style: TextStyle(
                                    fontSize: 16.sp,
                                    color: Colors.grey[600],
                                  ),
                                ),
                                value: selectedUser,
                                icon: Icon(Icons.arrow_drop_down, color: ColorPalette.darkGreen),
                                elevation: 16,
                                style: TextStyle(
                                  fontSize: 16.sp,
                                  color: Colors.black87,
                                ),
                                onChanged: (String? newValue) {
                                  setState(() {
                                    selectedUser = newValue;
                                  });
                                },
                                items: responsibleList.map<DropdownMenuItem<String>>((WarehouseResponsibleEntity responsible) {
                                  return DropdownMenuItem<String>(
                                    value: responsible.id?.toString(),
                                    child: Text(responsible.warehouseResponsible ?? "--"),
                                  );
                                }).toList(),
                              ),
                            ),
                          ),
                          SizedBox(height: 16.sp),
                          Container(
                            padding: EdgeInsets.symmetric(horizontal: 12.sp),
                            decoration: BoxDecoration(
                              borderRadius: BorderRadius.circular(8.sp),
                              border: Border.all(color: ColorPalette.grey.withValues(alpha: 0.5)),
                            ),
                            child: TextField(
                              controller: firstWeightController,
                              keyboardType: TextInputType.number,
                              onChanged: (_) => setState(() {}), // Refresh state to update button
                              decoration: InputDecoration(
                                border: InputBorder.none,
                                hintText: 'unloading.confirmation_dialog.enter_weight'.tr(),
                                hintStyle: TextStyle(
                                  fontSize: 16.sp,
                                  color: Colors.grey[600],
                                ),
                                labelText: 'unloading.confirmation_dialog.first_weight'.tr(),
                                labelStyle: TextStyle(
                                  fontSize: 16.sp,
                                  color: Colors.grey[600],
                                ),
                                suffixText: 'kg',
                                suffixStyle: TextStyle(
                                  fontSize: 16.sp,
                                  color: Colors.grey[600],
                                ),
                              ),
                            ),
                          ),
                          
                          SizedBox(height: 24.sp),
                          Row(
                            children: [
                              Expanded(
                                child: TextButton(
                                  onPressed: () {
                                    Navigator.of(context).pop();
                                  },
                                  style: TextButton.styleFrom(
                                    padding: EdgeInsets.symmetric(vertical: 12.sp),
                                    shape: RoundedRectangleBorder(
                                      borderRadius: BorderRadius.circular(8.sp),
                                      side: BorderSide(color: ColorPalette.red),
                                    ),
                                  ),
                                  child: Text(
                                    'unloading.cancel'.tr(),
                                    style: TextStyle(
                                      fontSize: 16.sp,
                                      color: ColorPalette.red,
                                    ),
                                  ),
                                ),
                              ),
                              SizedBox(width: 12.sp),
                              Expanded(
                                child: TextButton(
                                  onPressed: isFormValid()
                                      ? () {
                                          Navigator.of(context).pop();
                                          onConfirm(
                                            selectedUser!, 
                                            double.parse(firstWeightController.text)
                                          );
                                        }
                                      : null,
                                  style: TextButton.styleFrom(
                                    padding: EdgeInsets.symmetric(vertical: 12.sp),
                                    backgroundColor: isFormValid() ? ColorPalette.darkGreen.withValues(alpha: 0.1) : null,
                                    shape: RoundedRectangleBorder(
                                      borderRadius: BorderRadius.circular(8.sp),
                                      side: BorderSide(
                                        color: isFormValid() ? ColorPalette.darkGreen : ColorPalette.grey,
                                      ),
                                    ),
                                  ),
                                  child: Text(
                                    'common.confirm'.tr(),
                                    style: TextStyle(
                                      fontSize: 16.sp,
                                      fontWeight: FontWeight.w500,
                                      color: isFormValid() ? ColorPalette.darkGreen : ColorPalette.grey,
                                    ),
                                  ),
                                ),
                              ),
                            ],
                          ),
                        ],
                      ),
                    ),
                  ),
                );
              },
            );
          } else if (state is GetWarehouseResponsibleError) {
            return Dialog(
              shape: RoundedRectangleBorder(
                borderRadius: BorderRadius.circular(16.sp),
              ),
              child: Container(
                padding: EdgeInsets.all(20.sp),
                child: Column(
                  mainAxisSize: MainAxisSize.min,
                  children: [
                    Icon(Icons.error_outline, color: Colors.red, size: 48.sp),
                    SizedBox(height: 16.sp),
                    Text('Error: ${state.message}'),
                    SizedBox(height: 16.sp),
                    TextButton(
                      onPressed: () {
                        Navigator.of(context).pop();
                      },
                      child: Text('Close'),
                    )
                  ],
                ),
              ),
            );
          } else {
            return Dialog(
              shape: RoundedRectangleBorder(
                borderRadius: BorderRadius.circular(16.sp),
              ),
              child: Container(
                padding: EdgeInsets.all(20.sp),
                child: Column(
                  mainAxisSize: MainAxisSize.min,
                  children: [
                    CircularProgressIndicator(),
                    SizedBox(height: 16.sp),
                    Text('Loading...')
                  ],
                ),
              ),
            );
          }
        },
      );
    },
  );
}