apskel-pos-flutter/lib/presentation/home/dialog/payment_add_order_dialog.dart

import 'package:enaklo_pos/core/components/buttons.dart';
import 'package:enaklo_pos/core/components/custom_modal_dialog.dart';
import 'package:enaklo_pos/core/components/flushbar.dart';
import 'package:enaklo_pos/core/components/spaces.dart';
import 'package:enaklo_pos/core/constants/colors.dart';
import 'package:enaklo_pos/core/extensions/build_context_ext.dart';
import 'package:enaklo_pos/data/models/response/order_response_model.dart';
import 'package:enaklo_pos/presentation/home/bloc/order_form/order_form_bloc.dart';
import 'package:enaklo_pos/presentation/home/models/product_quantity.dart';
import 'package:enaklo_pos/presentation/sales/blocs/order_loader/order_loader_bloc.dart';
import 'package:enaklo_pos/presentation/success/pages/success_save_order_page.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';

class PaymentAddOrderDialog extends StatefulWidget {
  final List<ProductQuantity> items;
  const PaymentAddOrderDialog({super.key, required this.items});

  @override
  State<PaymentAddOrderDialog> createState() => _PaymentAddOrderDialogState();
}

class _PaymentAddOrderDialogState extends State<PaymentAddOrderDialog> {
  Order? selectOrder;

  @override
  void initState() {
    super.initState();
    context
        .read<OrderLoaderBloc>()
        .add(OrderLoaderEvent.getByStatus('pending'));
  }

  @override
  Widget build(BuildContext context) {
    return CustomModalDialog(
      title: 'Bayar Nanti',
      subtitle: 'Simpan pesanan dan bayar nanti',
      contentPadding:
          const EdgeInsets.symmetric(horizontal: 16.0, vertical: 24.0),
      minWidth: context.deviceWidth * 0.4,
      minHeight: context.deviceHeight * 0.4,
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              const Text(
                'Pilih Meja yang sudah dipesan',
                style: TextStyle(
                  color: AppColors.black,
                  fontSize: 16,
                  fontWeight: FontWeight.w600,
                ),
              ),
              const SpaceHeight(6.0),
              BlocBuilder<OrderLoaderBloc, OrderLoaderState>(
                  builder: (context, state) {
                return state.maybeWhen(
                  orElse: () =>
                      Center(child: const CircularProgressIndicator()),
                  loading: () =>
                      Center(child: const CircularProgressIndicator()),
                  loaded: (orders, totalOrder) {
                    final availableOrders = orders;

                    if (selectOrder == null && availableOrders.isNotEmpty) {
                      selectOrder = availableOrders.first;
                    }

                    if (availableOrders.isEmpty) {
                      return Container(
                        padding: const EdgeInsets.all(16),
                        decoration: BoxDecoration(
                          color: Colors.orange[50],
                          borderRadius: BorderRadius.circular(16),
                          border: Border.all(
                            color: Colors.orange,
                            width: 1,
                          ),
                        ),
                        child: const Text(
                          'Tidak ada meja yang tersedia. Silakan pilih opsi lain.',
                          style: TextStyle(color: Colors.orange),
                        ),
                      );
                    }

                    return Container(
                      padding: const EdgeInsets.symmetric(horizontal: 16),
                      decoration: BoxDecoration(
                        color: Colors.white,
                        borderRadius: BorderRadius.circular(16),
                        border: Border.all(
                          color: Theme.of(context).primaryColor,
                          width: 2,
                        ),
                      ),
                      child: DropdownButtonHideUnderline(
                        child: DropdownButton<Order>(
                          isExpanded: true,
                          value: availableOrders.firstWhere(
                            (t) => t.id == selectOrder?.id,
                            orElse: () => availableOrders.first,
                          ),
                          onChanged: (Order? newValue) {
                            setState(() {
                              selectOrder = newValue;
                            });
                          },
                          items: availableOrders
                              .map<DropdownMenuItem<Order>>(
                                (Order value) => DropdownMenuItem<Order>(
                                  value: value,
                                  child: Text(
                                    "${value.tableNumber ?? ""} - ${value.metadata?['customer_name'] ?? ""}",
                                  ),
                                ),
                              )
                              .toList(),
                        ),
                      ),
                    );
                  },
                );
              }),
            ],
          ),
          SpaceHeight(24),
          BlocListener<OrderFormBloc, OrderFormState>(
            listener: (context, state) {
              state.maybeWhen(
                orElse: () {},
                success: (data) {
                  context.pushReplacement(
                    SuccessSaveOrderPage(
                      productQuantity: widget.items,
                      orderId: selectOrder?.id ?? "",
                    ),
                  );
                },
                error: (message) => AppFlushbar.showError(context, message),
              );
            },
            child: BlocBuilder<OrderFormBloc, OrderFormState>(
              builder: (context, state) {
                return state.maybeWhen(
                  orElse: () => Button.filled(
                    onPressed: () {
                      context
                          .read<OrderFormBloc>()
                          .add(OrderFormEvent.addToOrder(
                            items: widget.items,
                            orderId: selectOrder?.id ?? "",
                          ));
                    },
                    label: "Simpan",
                  ),
                  loading: () => Center(
                    child: const CircularProgressIndicator(),
                  ),
                );
              },
            ),
          ),
        ],
      ),
    );
  }
}