import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:syncrow_web/common/widgets/search_bar.dart';
import 'package:syncrow_web/pages/space_tree/bloc/space_tree_bloc.dart';
import 'package:syncrow_web/pages/space_tree/bloc/space_tree_event.dart';
import 'package:syncrow_web/pages/space_tree/bloc/space_tree_state.dart';
import 'package:syncrow_web/pages/space_tree/view/custom_expansion.dart';
import 'package:syncrow_web/pages/spaces_management/all_spaces/model/community_model.dart';
import 'package:syncrow_web/pages/spaces_management/all_spaces/model/space_model.dart';
import 'package:syncrow_web/utils/color_manager.dart';
import 'package:syncrow_web/utils/style.dart';

class SpaceTreeView extends StatelessWidget {
  final Function onSelect;
  const SpaceTreeView({required this.onSelect, super.key});

  @override
  Widget build(BuildContext context) {
    return BlocBuilder<SpaceTreeBloc, SpaceTreeState>(builder: (context, state) {
      List<CommunityModel> list = state.isSearching ? state.filteredCommunity : state.communityList;
      return Container(
        height: MediaQuery.sizeOf(context).height,
        decoration: subSectionContainerDecoration,
        // padding: const EdgeInsets.all(16.0),
        child: state is SpaceTreeLoadingState
            ? const Center(child: CircularProgressIndicator())
            : Column(
                children: [
                  CustomSearchBar(
                    onSearchChanged: (query) {
                      context.read<SpaceTreeBloc>().add(SearchQueryEvent(query));
                    },
                  ),
                  const SizedBox(height: 16),
                  Expanded(
                    child: Padding(
                      padding: const EdgeInsets.all(8.0),
                      child: list.isEmpty
                          ? Center(
                              child: Text(
                                'No results found',
                                style: Theme.of(context).textTheme.bodySmall!.copyWith(
                                      color: ColorsManager.lightGrayColor, // Gray when not selected
                                      fontWeight: FontWeight.w400,
                                    ),
                              ),
                            )
                          : ListView(
                              shrinkWrap: true,
                              children: list
                                  .map(
                                    (community) => CustomExpansionTileSpaceTree(
                                      title: community.name,
                                      isSelected:
                                          state.selectedCommunities.contains(community.uuid),
                                      isSoldCheck:
                                          state.selectedCommunities.contains(community.uuid),
                                      onExpansionChanged: () {
                                        context
                                            .read<SpaceTreeBloc>()
                                            .add(OnCommunityExpanded(community.uuid));
                                      },
                                      isExpanded:
                                          state.expandedCommunities.contains(community.uuid),
                                      onItemSelected: () {
                                        context.read<SpaceTreeBloc>().add(
                                            OnCommunitySelected(community.uuid, community.spaces));

                                        onSelect();
                                      },
                                      children: community.spaces.map((space) {
                                        return CustomExpansionTileSpaceTree(
                                          title: space.name,
                                          isExpanded: state.expandedSpaces.contains(space.uuid),
                                          onItemSelected: () {
                                            context.read<SpaceTreeBloc>().add(OnSpaceSelected(
                                                community.uuid, space.uuid ?? '', space.children));
                                            onSelect();
                                          },
                                          onExpansionChanged: () {
                                            context.read<SpaceTreeBloc>().add(
                                                OnSpaceExpanded(community.uuid, space.uuid ?? ''));
                                          },
                                          isSelected: state.selectedSpaces.contains(space.uuid) ||
                                              state.soldCheck.contains(space.uuid),
                                          isSoldCheck: state.soldCheck.contains(space.uuid),
                                          children: _buildNestedSpaces(
                                              context, state, space, community.uuid),
                                        );
                                      }).toList(),
                                    ),
                                  )
                                  .toList(),
                            ),
                    ),
                  ),
                ],
              ),
      );
    });
  }

  List<Widget> _buildNestedSpaces(
      BuildContext context, SpaceTreeState state, SpaceModel space, String communityId) {
    return space.children.map((child) {
      return CustomExpansionTileSpaceTree(
        isSelected:
            state.selectedSpaces.contains(child.uuid) || state.soldCheck.contains(child.uuid),
        isSoldCheck: state.soldCheck.contains(child.uuid),
        title: child.name,
        isExpanded: state.expandedSpaces.contains(child.uuid),
        onItemSelected: () {
          context
              .read<SpaceTreeBloc>()
              .add(OnSpaceSelected(communityId, child.uuid ?? '', child.children));
          onSelect();
        },
        onExpansionChanged: () {
          context.read<SpaceTreeBloc>().add(OnSpaceExpanded(communityId, child.uuid ?? ''));
        },
        children: _buildNestedSpaces(context, state, child, communityId),
      );
    }).toList();
  }
}