mohemm-flutter-app/lib/ui/my_attendance/dynamic_screens/dynamic_input_screen.dart

import 'dart:io';

import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:mohem_flutter_app/api/my_attendance_api_client.dart';
import 'package:mohem_flutter_app/classes/utils.dart';
import 'package:mohem_flutter_app/config/routes.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/dyanmic_forms/get_set_values_request_model.dart';
import 'package:mohem_flutter_app/models/dyanmic_forms/validate_eit_transaction_model.dart';
import 'package:mohem_flutter_app/models/generic_response_model.dart';
import 'package:mohem_flutter_app/models/get_eit_dff_structure_list_model.dart';
import 'package:mohem_flutter_app/models/submit_eit_transaction_list_model.dart';
import 'package:mohem_flutter_app/ui/misc/request_submit_screen.dart';
import 'package:mohem_flutter_app/ui/my_attendance/dynamic_screens/dynamic_listview_screen.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';

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

  @override
  _DynamicInputScreenState createState() {
    return _DynamicInputScreenState();
  }
}

class _DynamicInputScreenState extends State<DynamicInputScreen> {
  GenericResponseModel? genericResponseModel;
  List<GetEITDFFStructureList>? getEitDffStructureList;
  DynamicListViewParams? dynamicParams;

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

  void getTransactionsStructure() async {
    try {
      Utils.showLoading(context);
      genericResponseModel = await MyAttendanceApiClient().getEitDffStructure(dynamicParams!.dynamicId);
      getEitDffStructureList = genericResponseModel?.getEITDFFStructureList ?? [];
      //getEitDffStructureList = getEitDffStructureList!.where((element) => element.dISPLAYFLAG != "N").toList();
      Utils.hideLoading(context);
      setState(() {});
    } catch (ex) {
      Utils.hideLoading(context);
      Utils.handleException(ex, context, null);
    }
  }

  void validateTransaction() async {
    try {
      Utils.showLoading(context);
      List<Map<String, dynamic>> values = getEitDffStructureList!.map((e) {
        String tempVar = e.eSERVICESDV?.pIDCOLUMNNAME ?? "";
        if (e.fORMATTYPE == "X") {
          // for date format type, date format is changed
          tempVar = e.eSERVICESDV?.pVALUECOLUMNNAME ?? "";
          if (tempVar.isNotEmpty) {
            DateTime date = DateFormat('yyyy-MM-dd').parse(tempVar);
            tempVar = DateFormat('yyyy/MM/dd HH:mm:ss').format(date);
          }
        }
        return ValidateEitTransactionModel(dATEVALUE: null, nAME: e.aPPLICATIONCOLUMNNAME, nUMBERVALUE: null, tRANSACTIONNUMBER: 1, vARCHAR2VALUE: tempVar.toString()).toJson();
      }).toList();

      values.add(ValidateEitTransactionModel(dATEVALUE: null, nAME: "PEI_ACTION", nUMBERVALUE: null, tRANSACTIONNUMBER: 1, vARCHAR2VALUE: "NEW_ROW").toJson());
      values.add(ValidateEitTransactionModel(dATEVALUE: null, nAME: "PEI_EXTRA_INFO_ID", nUMBERVALUE: -1, tRANSACTIONNUMBER: 1, vARCHAR2VALUE: null).toJson());
      values.add(ValidateEitTransactionModel(dATEVALUE: null, nAME: "PEI_OBJECT_VERSION_NUMBER", nUMBERVALUE: 0, tRANSACTIONNUMBER: 1, vARCHAR2VALUE: null).toJson());
      values.forEach((element) {
        print(element);
      });
      genericResponseModel = await MyAttendanceApiClient().validateEitTransaction(dESCFLEXCONTEXTCODE, dynamicParams!.dynamicId, values);
      SubmitEITTransactionList submitEITTransactionList = await MyAttendanceApiClient().submitEitTransaction(dESCFLEXCONTEXTCODE, dynamicParams!.dynamicId, values);
      Utils.hideLoading(context);
      Navigator.pushNamed(context, AppRoutes.requestSubmitScreen, arguments: RequestSubmitScreenParams("title", submitEITTransactionList.pTRANSACTIONID!, submitEITTransactionList.pITEMKEY!));
    } catch (ex) {
      Utils.hideLoading(context);
      Utils.handleException(ex, context, null);
    }
  }

  String dESCFLEXCONTEXTCODE = "";

  void calGetValueSetValues(GetEITDFFStructureList structureList) async {
    try {
      Utils.showLoading(context);
      String segmentId = structureList.cHILDSEGMENTSVS!;
      dESCFLEXCONTEXTCODE = structureList.dESCFLEXCONTEXTCODE!;

      List<GetEITDFFStructureList> filteredList = getEitDffStructureList?.where((element) => element.cHILDSEGMENTSVS == segmentId).toList() ?? [];
      List<Map<String, dynamic>> values = filteredList
          .map((e) => GetSetValuesRequestModel(
                  sEGMENTNAME: e.sEGMENTNAME, vALUECOLUMNNAME: e.eSERVICESDV!.pVALUECOLUMNNAME, dESCRIPTION: "", iDCOLUMNNAME: e.eSERVICESDV!.pIDCOLUMNNAME, fLEXVALUESETNAME: e.fLEXVALUESETNAME)
              .toJson())
          .toList();
      ESERVICESVS eServicesResponseModel = await MyAttendanceApiClient().getValueSetValues(segmentId, structureList.dESCFLEXCONTEXTCODE!, structureList.dESCFLEXNAME!, values);
      List<GetEITDFFStructureList> abc = genericResponseModel?.getEITDFFStructureList ?? [];
      getEitDffStructureList = abc;
      int index = getEitDffStructureList!.indexWhere((element) => element.sEGMENTNAME == structureList.cHILDSEGMENTSVS);
      getEitDffStructureList![index].eSERVICESVS!.clear();
      getEitDffStructureList![index].eSERVICESVS!.add(eServicesResponseModel);
      //   getEitDffStructureList = genericResponseModel?.getEITDFFStructureList ?? [];
      //getEitDffStructureList = getEitDffStructureList!.where((element) => element.dISPLAYFLAG != "N").toList();
      Utils.hideLoading(context);
      setState(() {});
    } catch (ex) {
      Utils.hideLoading(context);
      Utils.handleException(ex, context, null);
    }
  }

  void getDefaultValues(GetEITDFFStructureList structureList) async {
    if ((structureList.cHILDSEGMENTSDVSplited?.length ?? 0) < 1) {
      return;
    }
    try {
      Utils.showLoading(context);
      for (int i = 0; i < (structureList.cHILDSEGMENTSDVSplited?.length ?? 0); i++) {
        String segmentId = structureList.cHILDSEGMENTSDVSplited![i];
        GetEITDFFStructureList? reqObj = getEitDffStructureList!.firstWhere((element) => element.sEGMENTNAME == segmentId);
        List<PARENTSEGMENTSDVSplited> parentRequired = reqObj.pARENTSEGMENTSDVSplited ?? [];
        List<GetEITDFFStructureList> filteredList =
            getEitDffStructureList!.where((outerElement) => parentRequired.any((element) => outerElement.sEGMENTNAME == element.name && element.isRequired == "REQUIRED")).toList();
        List<Map<String, dynamic>> values = filteredList
            .map((e) => GetSetValuesRequestModel(
                    sEGMENTNAME: e.sEGMENTNAME, vALUECOLUMNNAME: e.eSERVICESDV!.pVALUECOLUMNNAME, dESCRIPTION: "", iDCOLUMNNAME: e.eSERVICESDV!.pIDCOLUMNNAME, fLEXVALUESETNAME: e.fLEXVALUESETNAME)
                .toJson())
            .toList();

        ESERVICESDV defaultValue = await MyAttendanceApiClient().getDefaultValue(segmentId, structureList.dESCFLEXCONTEXTCODE!, structureList.dESCFLEXNAME!, values);
        int index = getEitDffStructureList!.indexWhere((element) => element.sEGMENTNAME == segmentId);
        getEitDffStructureList![index].eSERVICESDV = defaultValue;
      }
      Utils.hideLoading(context);
      setState(() {});
    } catch (ex) {
      Utils.hideLoading(context);
      Utils.handleException(ex, context, null);
    }
  }

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

  @override
  Widget build(BuildContext context) {
    if (dynamicParams == null) {
      dynamicParams = ModalRoute.of(context)!.settings.arguments as DynamicListViewParams;
      getTransactionsStructure();
    }
    return Scaffold(
      backgroundColor: Colors.white,
      appBar: AppBarWidget(
        context,
        title: dynamicParams!.title,
      ),
      body: Column(
        children: [
          (getEitDffStructureList == null
                  ? const SizedBox()
                  : (getEitDffStructureList!.isEmpty
                      ? LocaleKeys.noDataAvailable.tr().toText16().center
                      : ListView.separated(
                          physics: const BouncingScrollPhysics(),
                          padding: const EdgeInsets.all(21),
                          itemBuilder: (cxt, int parentIndex) => parseDynamicFormatType(getEitDffStructureList![parentIndex], parentIndex),
                          separatorBuilder: (cxt, index) => 0.height,
                          itemCount: getEitDffStructureList!.length)))
              .expanded,
          // 12.height,
          DefaultButton(
            LocaleKeys.next.tr(),
            (getEitDffStructureList ?? []).isEmpty
                ? null
                : () {
                    validateTransaction();

                    //Navigator.of(context).pushNamed(LOGIN_TYPE)
                  },
          ).insideContainer,
        ],
      ),
    );
  }

  Widget parseDynamicFormatType(GetEITDFFStructureList model, int index) {
    if (model.dISPLAYFLAG != "N") {
    } else {
      return const SizedBox();
    }

    if (model.fORMATTYPE == "C") {
      if (model.eSERVICESVS?.isNotEmpty ?? false) {
        return PopupMenuButton(
            child: DynamicTextFieldWidget(
              (model.sEGMENTPROMPT ?? "") + (model.rEQUIREDFLAG == "Y" ? "*" : ""),
              model.eSERVICESDV?.pVALUECOLUMNNAME ?? "",
              isEnable: false,
              isPopup: true,
            ).paddingOnly(bottom: 12),
            itemBuilder: (_) => <PopupMenuItem<int>>[
                  for (int i = 0; i < model.eSERVICESVS!.length; i++) PopupMenuItem<int>(child: Text(model.eSERVICESVS![i].vALUECOLUMNNAME!), value: i),
                ],
            onSelected: (int popipIndex) {
              ESERVICESDV eservicesdv = ESERVICESDV(
                  pIDCOLUMNNAME: model.eSERVICESVS![popipIndex].iDCOLUMNNAME,
                  pRETURNMSG: "null",
                  pRETURNSTATUS: getEitDffStructureList![popipIndex].dEFAULTVALUE,
                  pVALUECOLUMNNAME: model.eSERVICESVS![popipIndex].vALUECOLUMNNAME);
              getEitDffStructureList![index].eSERVICESDV = eservicesdv;
              setState(() {});
              if (model.cHILDSEGMENTSDVSplited?.isNotEmpty ?? false) {
                getDefaultValues(model);
              }
            });
      }

      return DynamicTextFieldWidget(
        (model.sEGMENTPROMPT ?? "") + (model.rEQUIREDFLAG == "Y" ? "*" : ""),
        model.eSERVICESDV?.pIDCOLUMNNAME ?? "",
        isReadOnly: model.rEADONLY == "Y",
        onChange: (text) {
          model.fieldAnswer = text;
        },
      ).paddingOnly(bottom: 12);
    } else if (model.fORMATTYPE == "X") {
      return DynamicTextFieldWidget(
        (model.sEGMENTPROMPT ?? "") + (model.rEQUIREDFLAG == "Y" ? "*" : ""),
        model.eSERVICESDV?.pIDCOLUMNNAME ?? (getEitDffStructureList![index].fieldAnswer ?? ""),
        suffixIconData: Icons.calendar_today,
        isEnable: false,
        onTap: () async {
          if ((getEitDffStructureList![index].eSERVICESDV?.pVALUECOLUMNNAME != null)) {
            selectedDate = DateTime.parse(getEitDffStructureList![index].eSERVICESDV!.pVALUECOLUMNNAME!);
          }
          DateTime date = await _selectDate(context);
          DateTime date1 = DateTime(date.year, date.month, date.day);
          getEitDffStructureList![index].fieldAnswer = date.toString();
          ESERVICESDV eservicesdv = ESERVICESDV(
              pIDCOLUMNNAME: DateFormat('yyyy-MM-dd').format(date1),
              pRETURNMSG: "null",
              pRETURNSTATUS: getEitDffStructureList![index].dEFAULTVALUE,
              pVALUECOLUMNNAME: DateFormat('yyyy-MM-ddThh:mm:ss.s').format(date));
          getEitDffStructureList![index].eSERVICESDV = eservicesdv;
          setState(() {});
          if (model.cHILDSEGMENTSDVSplited?.isNotEmpty ?? false) {
            calGetValueSetValues(model);
          }
        },
      ).paddingOnly(bottom: 12);
    } else if (model.fORMATTYPE == "I") {
      return DynamicTextFieldWidget(
        (model.sEGMENTPROMPT ?? "") + (model.rEQUIREDFLAG == "Y" ? "*" : ""),
        model.eSERVICESDV?.pIDCOLUMNNAME ?? (getEitDffStructureList![index].fieldAnswer ?? ""),
        suffixIconData: Icons.access_time_filled_rounded,
        isEnable: false,
        onTap: () async {
          if ((getEitDffStructureList![index].eSERVICESDV?.pVALUECOLUMNNAME != null)) {
            var timeString = getEitDffStructureList![index].eSERVICESDV!.pVALUECOLUMNNAME!.split(":");
            selectedDate = DateTime(0, 0, 0, int.parse(timeString[0]), int.parse(timeString[1]));

            //DateTime.parse(getEitDffStructureList![index].eSERVICESDV!.pVALUECOLUMNNAME!);
          }
          TimeOfDay _time = await _selectTime(context);
          DateTime tempTime = DateTime(0, 1, 1, _time.hour, _time.minute);
          String time = DateFormat('HH:mm').format(tempTime).trim();

          // DateTime date1 = DateTime(date.year, date.month, date.day);
          //  getEitDffStructureList![index].fieldAnswer = date.toString();
          ESERVICESDV eservicesdv = ESERVICESDV(pIDCOLUMNNAME: time, pRETURNMSG: "null", pRETURNSTATUS: getEitDffStructureList![index].dEFAULTVALUE, pVALUECOLUMNNAME: time);
          getEitDffStructureList![index].eSERVICESDV = eservicesdv;
          setState(() {});
          if (model.cHILDSEGMENTSDVSplited?.isNotEmpty ?? false) {
            calGetValueSetValues(model);
          }
        },
      ).paddingOnly(bottom: 12);
    }

    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      mainAxisSize: MainAxisSize.min,
      children: [],
    ).objectContainerView();
  }

  DateTime selectedDate = DateTime.now();

  Future<DateTime> _selectDate(BuildContext context) 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 {
      final 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;
  }

  Future<TimeOfDay> _selectTime(BuildContext context) async {
    TimeOfDay time = TimeOfDay(hour: selectedDate.hour, minute: selectedDate.minute);
    if (!Platform.isIOS) {
      await showCupertinoModalPopup(
        context: context,
        builder: (cxt) => Container(
          height: 250,
          color: Colors.white,
          child: CupertinoDatePicker(
            backgroundColor: Colors.white,
            mode: CupertinoDatePickerMode.time,
            use24hFormat: true,
            onDateTimeChanged: (value) {
              if (value != null && value != selectedDate) {
                time = TimeOfDay(hour: value.hour, minute: value.minute);
              }
            },
            initialDateTime: selectedDate,
          ),
        ),
      );
    } else {
      final TimeOfDay? picked = await showTimePicker(
          context: context,
          initialTime: time,
          builder: (cxt, child) {
            return MediaQuery(data: MediaQuery.of(context).copyWith(alwaysUse24HourFormat: true), child: child ?? Container());
          });

      if (picked != null && picked != time) {
        time = picked;
      }
      // final 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;
  }
}