// ignore_for_file: public_member_api_docs, sort_constructors_first
import 'package:flutter/material.dart';
import 'package:flutter_gen/gen_l10n/app_localizations.dart';
import 'package:font_awesome_flutter/font_awesome_flutter.dart';
import 'package:go_router/go_router.dart';
import 'package:intl/intl.dart';
import 'package:provider/provider.dart';

import 'package:qadirneyriz/config/config.dart';
import 'package:qadirneyriz/screens/private_meeting/dilog_privateMeetings_filters.dart';
import 'package:qadirneyriz/screens/private_meeting/state.dart';
import 'package:qadirneyriz/setting/setting.dart';
import 'package:qadirneyriz/utils/enums/status.dart';
import 'package:qadirneyriz/utils/tools/tools.dart';
import 'package:qadirneyriz/widgets/custom_appbar.dart';
import 'package:qadirneyriz/widgets/custom_button.dart';
import 'package:qadirneyriz/widgets/empty_widget.dart';
import 'package:qadirneyriz/widgets/error_widget.dart';
import 'package:qadirneyriz/widgets/icon_button.dart';
import 'package:qadirneyriz/widgets/loading_widget.dart';
import 'package:qadirneyriz/widgets/today_widget.dart';

class PrivateMeetingsScreen extends StatefulWidget {
  const PrivateMeetingsScreen({super.key});

  @override
  State<PrivateMeetingsScreen> createState() => _PrivateMeetingsScreenState();
}

class _PrivateMeetingsScreenState extends State<PrivateMeetingsScreen> {
  late ScrollController _scrollController;
  late PrivateMeetingsState privateMeetingsState;
  @override
  void initState() {
    super.initState();
    _scrollController = ScrollController();
    _scrollController.addListener(_scrollListener);
    privateMeetingsState =
        Provider.of<PrivateMeetingsState>(context, listen: false);
    Future.delayed(Duration.zero, () async {
      privateMeetingsState.clearFilters();
      await privateMeetingsState.getPrivateMeetings();
    });
    privateMeetingsState.setAllFiltersForThen();
  }
  // ذخیره فیلترهای اولیه برای مقایسه در آیند

  _scrollListener() async {
    if (_scrollController.offset >=
            _scrollController.position.maxScrollExtent &&
        !_scrollController.position.outOfRange) {
      if (!privateMeetingsState.pageEndedPrivateMeetings) {
        await privateMeetingsState.nextPagePrivateMeetings(
            toDate: privateMeetingsState.toDate,
            fromDate: privateMeetingsState.fromDate,
            location: privateMeetingsState.selectedLocationId,
            subject: privateMeetingsState.selectedSubjectId,
            meetingManager: privateMeetingsState.selectedManagersId,
            meetingStatus: privateMeetingsState.selectedStatusId);
      }
    }
  }

  @override
  Widget build(BuildContext context) {
    DateTime now = DateTime.now();
    String dateMiladi = setting.userLocalDb.getUser().language == 'fa'
        ? Tools.convertToPersianDigits(DateFormat('yyyy-MM-dd').format(now))
        : DateFormat('yyyy-MM-dd').format(now);
    String dateJalali = Tools.convertToPersianDigits(
        '${setting.timeNow.day} ${Tools.getMonthName(setting.timeNow.month)} ${setting.timeNow.year}');

    return Consumer<PrivateMeetingsState>(
      builder: (context, value, child) {
        return RefreshIndicator(
          onRefresh: () async {
            await privateMeetingsState.getPrivateMeetings();
          },
          child: CustomScrollView(
            controller: _scrollController,
            physics: AlwaysScrollableScrollPhysics(),
            slivers: <Widget>[
              const CustomAppbar(),
              SliverToBoxAdapter(
                child: TodayWidget(
                    formattedDate:
                        setting.userLocalDb.getUser().language == 'en'
                            ? dateMiladi
                            : dateJalali),
              ),
              SliverToBoxAdapter(
                child: Padding(
                  padding:
                      const EdgeInsets.symmetric(vertical: 30, horizontal: 15),
                  child: Row(
                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
                    crossAxisAlignment: CrossAxisAlignment.center,
                    children: [
                      Text(
                        style: const TextStyle(fontSize: 14),
                        AppLocalizations.of(context)!.privatemeeting,
                      ),
                      IconButtonCustom(
                        iconColor: value.hasActiveFilters()
                            ? Colors.white
                            : config.ui.secendGreen,
                        backColor: value.hasActiveFilters()
                            ? config.ui.secendGreen
                            : Colors.white,
                        icon: FontAwesomeIcons.sliders,
                        onTap: () {
                          showModalBottomSheet(
                            isScrollControlled: true,
                            useSafeArea: true,
                            context: context,
                            builder: (context) {
                              return DiologPrivateMeetingsFilters();
                            },
                          );
                        },
                      )
                    ],
                  ),
                ),
              ),
              privateMeetingsList(value),
              (value.privatePaginationMeetings == Status.ready ||
                      value.privatePaginationMeetings == Status.empty)
                  ? const SliverToBoxAdapter()
                  : const SliverToBoxAdapter(
                      child: Center(
                        child: LoadingWidget(
                          size: 10,
                        ),
                      ),
                    )
            ],
          ),
        );
      },
    );
  }

  Widget privateMeetingsList(PrivateMeetingsState state) {
    switch (state.privateStatusMeetings) {
      case Status.ready:
        return SliverList.builder(
          itemBuilder: (context, index) {
            final userRole = setting.userLocalDb.getUser().role;
            final items = state.privateMeetingsModel!.data![index];
            return PrivateMeetingWidget(
              status: items.accepted ?? 0,
              date: items.dateJalali ?? '',
              time: items.azHour ?? '',
              subject:
                  items.subject != null ? items.subject!.subject ?? '' : '',
              location:
                  items.location != null ? items.location!.address ?? '' : '',
              onAcceptButton:
                  state.statusAcceptMeeting[items.id] != Status.loading
                      ? () {
                          acceptPrivateMeeting(state, context, items.id ?? -1);
                        }
                      : null,
              onCancelButton:
                  state.statusCancelMeeting[items.id] != Status.loading
                      ? () {
                          cancelPrivateMeeting(state, context, items.id ?? -1);
                        }
                      : null,
              onSelectedMoreButton: (value) async {
                switch (value) {
                  case 'edit':
                    await context.pushNamed('privatemeetingedit',
                        pathParameters: {'id': items.id.toString()});

                    state.getPrivateMeetings();

                  case 'report':
                    await context.pushNamed(
                      'privatemeetinsammary',
                      extra: items, // `items` should be a Datum instance
                    );
                  case 'cancel':
                    cancelPrivateMeeting(state, context, items.id ?? -1);
                  case 'delete':
                    deletePrivateMeeting(state, context, items.id ?? -1);
                  default:
                }
              },
              itemBuilderMoreButton: (context) => [
                if (userRole == 0 || userRole == 2)
                  PopupMenuItem(
                    value: 'edit',
                    child: Row(
                      children: [
                        Icon(
                          Icons.edit,
                          color: Colors.green,
                          size: 17,
                        ),
                        SizedBox(width: 8),
                        Text(
                          AppLocalizations.of(context)!.editprivatemeeting,
                          style: TextStyle(fontSize: 12),
                        ),
                      ],
                    ),
                  ),
                PopupMenuItem(
                  value: 'report',
                  child: Row(
                    children: [
                      Icon(
                        Icons.receipt_long,
                        color: Colors.green,
                        size: 17,
                      ),
                      SizedBox(width: 8),
                      Text(
                        AppLocalizations.of(context)!.meetingsummary,
                        style: TextStyle(fontSize: 12),
                      ),
                    ],
                  ),
                ),
                PopupMenuItem(
                  enabled: state.statusCancelMeeting != Status.loading,
                  value: 'cancel',
                  child: Row(
                    children: [
                      Icon(
                        Icons.cancel,
                        color: Colors.green,
                        size: 17,
                      ),
                      SizedBox(width: 8),
                      Text(
                        AppLocalizations.of(context)!.cancelmeeting,
                        style: TextStyle(fontSize: 12),
                      ),
                    ],
                  ),
                ),
                if (userRole == 0 || userRole == 2)
                  PopupMenuItem(
                    value: 'delete',
                    child: Row(
                      children: [
                        Icon(
                          Icons.delete,
                          color: Colors.green,
                          size: 17,
                        ),
                        SizedBox(width: 8),
                        Text(
                          AppLocalizations.of(context)!.deleteprivatemeeting,
                          style: TextStyle(fontSize: 12),
                        ),
                      ],
                    ),
                  ),
              ],
            );
          },
          itemCount: state.privateMeetingsModel!.data!.length,
        );
      case Status.loading:
        return SliverFillRemaining(child: const LoadingWidget());
      case Status.error:
        return SliverFillRemaining(
          child: CustomErrorWidget(
            onPressed: () async {
              await state.getPrivateMeetings(refresh: true);
            },
          ),
        );
      case Status.empty:
        return SliverFillRemaining(child: EmptyStateWidget());
      default:
        return Container();
    }
  }

  void cancelPrivateMeeting(
      PrivateMeetingsState state, BuildContext context, int cardId) async {
    final status = await state.cancelMeeting(id: cardId);
    if (status == Status.ready) {
      Tools.showCustomSnackBar(
        text: AppLocalizations.of(context)!.privatemeetingcanceld,
        isError: false,
        context,
      );
      await privateMeetingsState.getPrivateMeetings();
    } else {
      Tools.showCustomSnackBar(
        text: AppLocalizations.of(context)!.error,
        isError: true,
        context,
      );
    }
  }

  void deletePrivateMeeting(
      PrivateMeetingsState state, BuildContext context, int cardId) async {
    final status = await state.deleteMeeting(id: cardId);
    if (status == Status.ready) {
      Tools.showCustomSnackBar(
        text: AppLocalizations.of(context)!.privatemeetingdeleted,
        isError: false,
        context,
      );
      await privateMeetingsState.getPrivateMeetings();
    } else {
      Tools.showCustomSnackBar(
        text: AppLocalizations.of(context)!.error,
        isError: true,
        context,
      );
    }
  }

  void acceptPrivateMeeting(
      PrivateMeetingsState state, BuildContext context, int cardId) async {
    final status = await state.acceptMeeting(id: cardId);
    if (status == Status.ready) {
      Tools.showCustomSnackBar(
        text: AppLocalizations.of(context)!.privatemeetingaccept,
        isError: false,
        context,
      );
      await privateMeetingsState.getPrivateMeetings();
    } else {
      Tools.showCustomSnackBar(
        text: AppLocalizations.of(context)!.error,
        isError: true,
        context,
      );
    }
  }
}

class PrivateMeetingWidget extends StatelessWidget {
  final String date;

  final String time;
  final String subject;
  final String location;
  final int status;
  final bool hasMoreButton;
  final void Function()? onAcceptButton;
  final void Function()? onCancelButton;
  final void Function(String)? onSelectedMoreButton;

  final List<PopupMenuEntry<String>> Function(BuildContext)?
      itemBuilderMoreButton;
  const PrivateMeetingWidget(
      {Key? key,
      required this.date,
      required this.time,
      required this.subject,
      required this.location,
      required this.status,
      this.hasMoreButton = true,
      this.onAcceptButton,
      this.onCancelButton,
      this.onSelectedMoreButton,
      this.itemBuilderMoreButton,
      th})
      : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.symmetric(horizontal: 15, vertical: 15),
      child: Container(
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.end,
          children: [
            Padding(
              padding: const EdgeInsets.symmetric(horizontal: 10),
              child: Text(
                this.date,
                style: TextStyle(fontSize: 12),
              ),
            ),
            Divider(),
            SizedBox(
              height: 5,
            ),
            Container(
              decoration: BoxDecoration(
                  boxShadow: [
                    BoxShadow(
                        color: config.ui.mainGray.withOpacity(.1),
                        spreadRadius: .1,
                        offset: const Offset(0, 2),
                        blurRadius: 6)
                  ],
                  color: const Color(0xffF4F9F6),
                  borderRadius: BorderRadius.circular(10)),
              child: Padding(
                padding:
                    const EdgeInsets.symmetric(horizontal: 15, vertical: 10),
                child: Column(
                  children: [
                    Row(
                      children: [
                        Text(this.time),
                        SizedBox(
                          width: 15,
                        ),
                        Container(
                          width: 3,
                          height: 45,
                          decoration: BoxDecoration(
                            color: Colors.green,
                          ),
                        ),
                        SizedBox(
                          width: 5,
                        ),
                        Expanded(
                          child: Column(
                            crossAxisAlignment: CrossAxisAlignment.start,
                            children: [
                              Text(
                                this.subject,
                              ),
                              SizedBox(
                                height: 5,
                              ),
                              Text(
                                this.location,
                                style: TextStyle(
                                    fontSize: 12, color: Color(0xff9AA8C7)),
                              ),
                            ],
                          ),
                        ),
                        if (hasMoreButton) _moreButton(context)
                      ],
                    ),
                    if (this.status == 0)
                      Padding(
                        padding: const EdgeInsets.only(top: 15),
                        child: Row(
                          mainAxisAlignment: MainAxisAlignment.center,
                          children: [
                            CustomButton(
                              hieght: 30,
                              text: AppLocalizations.of(context)!.accept,
                              borderRadius: 5,
                              color: Color(0xff00A848),
                              fontSize: 12,
                              onPressed: this.onAcceptButton,
                            ),
                            SizedBox(
                              width: 7,
                            ),
                            CustomButton(
                              hieght: 30,
                              text: AppLocalizations.of(context)!.cancel,
                              color: Colors.red,
                              textColor: Colors.white,
                              fontSize: 12,
                              borderRadius: 5,
                              onPressed: this.onCancelButton,
                            ),
                            SizedBox(
                              width: 90,
                            ),
                          ],
                        ),
                      ),
                    if (this.status == 1 || this.status == 2)
                      Padding(
                        padding: const EdgeInsets.only(top: 10),
                        child: Row(
                          children: [
                            SizedBox(
                              width: 60,
                            ),
                            PrivateMeetingLabel(
                              status: this.status,
                            ),
                          ],
                        ),
                      )
                  ],
                ),
              ),
            )
          ],
        ),
      ),
    );
  }

  Widget _moreButton(BuildContext context) {
    return PopupMenuButton<String>(
      color: Colors.white,
      shape: const RoundedRectangleBorder(
        borderRadius: BorderRadius.all(
          Radius.circular(10.0),
        ),
      ),
      onSelected: onSelectedMoreButton,
      itemBuilder: itemBuilderMoreButton!,
      icon: const Icon(Icons.more_horiz),
    );
  }
}

class PrivateMeetingLabel extends StatelessWidget {
  final int status;
  const PrivateMeetingLabel({
    Key? key,
    required this.status,
  }) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Container(
      width: 82,
      child: Center(
        child: Padding(
          padding: const EdgeInsets.symmetric(vertical: 5),
          child: Text(
            this.status == 1
                ? AppLocalizations.of(context)!.accepted
                : AppLocalizations.of(context)!.canceled,
            style: TextStyle(fontSize: 12, color: Colors.white),
          ),
        ),
      ),
      decoration: BoxDecoration(
          color: this.status == 1 ? Colors.green : Colors.red,
          borderRadius: BorderRadius.circular(4)),
    );
  }
}