import 'dart:io';

import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:mohem_flutter_app/api/my_team/my_team_api_client.dart';
import 'package:mohem_flutter_app/classes/colors.dart';
import 'package:mohem_flutter_app/classes/date_uitl.dart';
import 'package:mohem_flutter_app/classes/utils.dart';
import 'package:mohem_flutter_app/extensions/int_extensions.dart';
import 'package:mohem_flutter_app/extensions/string_extensions.dart';
import 'package:mohem_flutter_app/extensions/widget_extensions.dart';
import 'package:mohem_flutter_app/generated/locale_keys.g.dart';
import 'package:mohem_flutter_app/models/my_team/get_subordinates_leaves_total_vacations_list_model.dart';
import 'package:mohem_flutter_app/widgets/app_bar_widget.dart';
import 'package:mohem_flutter_app/widgets/button/default_button.dart';
import 'package:mohem_flutter_app/widgets/dynamic_forms/dynamic_textfield_widget.dart';
import 'package:mohem_flutter_app/widgets/item_detail_view_widget.dart';

class SubordinateLeave extends StatefulWidget {
  const SubordinateLeave({Key? key}) : super(key: key);

  @override
  _SubordinateLeaveState createState() => _SubordinateLeaveState();
}

class _SubordinateLeaveState extends State<SubordinateLeave> {
  List<GetSubordinatesLeavesTotalVacationsList> getSubordinatesLeavesTotalList = [];
  DateTime selectedDateFrom = DateTime.now();
  DateTime selectedDateTo = DateTime.now();
  bool showList = false;

  @override
  void initState() {
    super.initState();
  }

  void getSubordinatesLeaves() async {
    try {
      Utils.showLoading(context);
      getSubordinatesLeavesTotalList = await MyTeamApiClient().getSubordinatesLeavesList(DateUtil.convertDateToStringLocation(selectedDateFrom), DateUtil.convertDateToStringLocation(selectedDateTo));
      showList = true;
      Utils.hideLoading(context);
      setState(() {});
    } catch (ex) {
      Utils.hideLoading(context);
      Utils.handleException(ex, context, null);
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBarWidget(
        context,
        title: LocaleKeys.subordinateLeave.tr(),
      ),
      backgroundColor: MyColors.backgroundColor,
      body: Column(
        children: [
          Expanded(
            child: Column(
              children: [
                Column(
                  children: [
                    DynamicTextFieldWidget(
                      LocaleKeys.dateFrom.tr(),
                      selectedDateFrom.toString().split(" ")[0],
                      suffixIconData: Icons.calendar_today,
                      isEnable: false,
                      onTap: () async {
                        selectedDateFrom = await _selectDate(context, DateTime.now());
                        setState(() {});
                      },
                    ),
                    12.height,
                    DynamicTextFieldWidget(
                      LocaleKeys.dateTo.tr(),
                      selectedDateTo.toString().split(" ")[0],
                      suffixIconData: Icons.calendar_today,
                      isEnable: false,
                      onTap: () async {
                        selectedDateTo = await _selectDate(context, DateTime.now());
                        setState(() {});
                      },
                    )
                  ],
                ).objectContainerView(),
                if (showList)
                  getSubordinatesLeavesTotalList.isEmpty?
                  Utils.getNoDataWidget(context).paddingOnly(top: 21)
                  : ListView.separated(
                      scrollDirection: Axis.vertical,
                      physics: ScrollPhysics(),
                      padding: const EdgeInsets.all(21),
                      separatorBuilder: (BuildContext cxt, int index) => 12.height,
                      itemCount: getSubordinatesLeavesTotalList.length,
                      itemBuilder: (BuildContext context, int index) {
                        var diffDays = DateUtil.convertStringToDate(getSubordinatesLeavesTotalList[index].dATEEND!)
                            .difference(DateUtil.convertStringToDate(getSubordinatesLeavesTotalList[index].dATESTART!))
                            .inDays + 1;
                             return Row(
                                crossAxisAlignment: CrossAxisAlignment.start,
                                children: [
                                  SvgPicture.asset("assets/images/user.svg", width: 34, height: 34).paddingOnly(top: 4),
                                  9.width,
                                  Column(
                                    crossAxisAlignment: CrossAxisAlignment.start,
                                    children: [
                                      getSubordinatesLeavesTotalList[index].eMPLOYEENAME!.toText16(),
                                      ItemDetailView(LocaleKeys.from.tr(), DateUtil.getFormattedDate(DateUtil.convertStringToDate(getSubordinatesLeavesTotalList[index].dATESTART!), "MMM dd yyyy")),
                                      ItemDetailView(LocaleKeys.to.tr(), DateUtil.getFormattedDate(DateUtil.convertStringToDate(getSubordinatesLeavesTotalList[index].dATEEND!), "MMM dd yyyy")),
                                      ItemDetailView(LocaleKeys.numberDays.tr(), diffDays.toString()),
                                    ],
                                  ).expanded
                                ],
                              ).objectContainerView();
                      }).expanded
              ],
            ),
          ),
          DefaultButton(LocaleKeys.submit.tr(), () async {
            getSubordinatesLeaves();
          }).insideContainer
        ],
      ),
    );
  }

  Future<DateTime> _selectDate(BuildContext context, DateTime selectedDate) async {
    DateTime time = selectedDate;
    if (!Platform.isIOS) {
      await showCupertinoModalPopup(
        context: context,
        builder: (cxt) => Container(
          height: 250,
          color: Colors.white,
          child: CupertinoDatePicker(
            backgroundColor: Colors.white,
            mode: CupertinoDatePickerMode.date,
            onDateTimeChanged: (value) {
              if (value != null && value != selectedDate) {
                time = value;
              }
            },
            initialDateTime: selectedDate,
          ),
        ),
      );
    } else {
      DateTime? picked = await showDatePicker(context: context, initialDate: selectedDate, initialEntryMode: DatePickerEntryMode.calendarOnly, firstDate: DateTime(2015, 8), lastDate: DateTime(2101));
      if (picked != null && picked != selectedDate) {
        time = picked;
      }
    }
    return time;
  }
}