Houshan-Basa/lib/ui/widgets/components/dropdown/bots_search_dropdown.dart

import 'package:animated_custom_dropdown/custom_dropdown.dart';
import 'package:cached_network_image/cached_network_image.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:hoshan/core/gen/assets.gen.dart';

import 'package:hoshan/data/model/ai/bots_model.dart';
import 'package:hoshan/ui/screens/main/home/bloc/bots_bloc.dart';
import 'package:hoshan/ui/theme/colors.dart';
import 'package:hoshan/ui/theme/text.dart';
import 'package:hoshan/ui/widgets/sections/loading/default_placeholder.dart';

class BotSearchDropdown extends StatefulWidget {
  final Function(Bots? bot)? onSelectedBot;
  const BotSearchDropdown({super.key, this.onSelectedBot});

  @override
  State<BotSearchDropdown> createState() => _BotSearchDropdownState();
}

class _BotSearchDropdownState extends State<BotSearchDropdown> {
  late final CustomDropdownDecoration customDropdownDecoration =
      CustomDropdownDecoration(
          expandedFillColor: const Color(0xffE0ECFF),
          closedFillColor: const Color(0xffE0ECFF),
          closedSuffixIcon: Icon(
            Icons.arrow_drop_down_rounded,
            color: AppColors.primaryColor.defaultShade,
          ),
          expandedSuffixIcon: Icon(
            Icons.arrow_drop_up_rounded,
            color: AppColors.primaryColor.defaultShade,
          ),
          overlayScrollbarDecoration: Theme.of(context).scrollbarTheme);

  final List<Bots> _list = [];
  Bots? initailBot;

  Future<List<Bots>> _getFakeRequestData(String query) async {
    return await Future.delayed(const Duration(seconds: 1), () {
      return _list.where((e) {
        return e.name.toString().toLowerCase().contains(query.toLowerCase());
      }).toList();
    });
  }

  @override
  Widget build(BuildContext context) {
    return Directionality(
      textDirection: TextDirection.rtl,
      child: BlocConsumer<BotsBloc, BotsState>(
        listener: (context, state) {},
        builder: (context, state) {
          if (state is BotsSuccess) {
            _list.clear();
            _list.addAll(BotsBloc.allBots);
            // if (_list.isNotEmpty) {
            //   HomeCubit.bot.value = _list.first;
            //   initailBot = _list.first;
            // }
          }
          if (state is BotsFail) {
            return const SizedBox();
          }
          return DefaultPlaceHolder(
            enabled: state is BotsLoading,
            child: CustomDropdown<Bots>.searchRequest(
              items: _list,
              futureRequest: _getFakeRequestData,
              searchHintText: 'جستجو در بات ها',
              overlayHeight: MediaQuery.sizeOf(context).height / 3,
              canCloseOutsideBounds: false,
              excludeSelected: true,
              headerBuilder: botView,
              hintBuilder: hintView,
              listItemPadding: EdgeInsets.zero,
              listItemBuilder: listItemView,
              decoration: customDropdownDecoration,
              // initialItem: initailBot,
              onChanged: (value) {
                widget.onSelectedBot?.call(value);
              },
            ),
          );
        },
      ),
    );
  }

  Widget listItemView(BuildContext context, Bots item, bool isSelected,
      void Function() onItemSelect) {
    return Container(
        padding: const EdgeInsets.symmetric(vertical: 12, horizontal: 16),
        decoration: BoxDecoration(
            border: Border(
                // top: BorderSide(width: 1, color: Colors.black),
                bottom: BorderSide(
                    width: 1,
                    color: _list.last != item
                        ? AppColors.gray.defaultShade
                        : const Color(0xffE0ECFF)))),
        child: Center(child: botView(context, item, true)));
  }

  Widget hintView(BuildContext context, String hint, bool enabled) {
    return Row(
      children: [
        Assets.icon.outline.brain.svg(width: 18, height: 18),
        const SizedBox(
          width: 12,
        ),
        Expanded(
          child: Center(
            child: Text(
              'انتخاب نوع هوش مصنوعی',
              style: AppTextStyles.body4.copyWith(fontWeight: FontWeight.bold),
            ),
          ),
        ),
      ],
    );
  }

  Row botView(BuildContext context, Bots item, bool enabled) {
    return Row(
      children: [
        ClipOval(
          child: SizedBox(
            width: 24,
            height: 24,
            child: CachedNetworkImage(
              imageUrl: item.image!,
              fit: BoxFit.cover,
            ),
          ),
        ),
        Expanded(
          child: Padding(
            padding: const EdgeInsets.symmetric(horizontal: 16.0),
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Text(
                  item.name!,
                  style:
                      AppTextStyles.body3.copyWith(fontWeight: FontWeight.bold),
                ),
                // Text(
                //   item.description,
                //   style: AppTextStyles.body5.copyWith(
                //       color: AppColors.gray[800],
                //       overflow: TextOverflow.ellipsis),
                //   maxLines: 1,
                // )
              ],
            ),
          ),
        ),
        // if (item.lock)
        //   Container(
        //     width: 24,
        //     height: 24,
        //     decoration: BoxDecoration(
        //         shape: BoxShape.circle,
        //         color: AppColors.primaryColor.defaultShade),
        //     child: const Icon(
        //       Icons.lock,
        //       size: 12,
        //       color: Colors.white,
        //     ),
        //   )
      ],
    );
  }
}