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/leave_balance_api_client.dart';
import 'package:mohem_flutter_app/classes/utils.dart';
import 'package:mohem_flutter_app/extensions/int_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/leave_balance/get_absence_attendance_types_list_model.dart';
import 'package:mohem_flutter_app/models/leave_balance/get_absence_dff_structure_list_model.dart';
import 'package:mohem_flutter_app/models/worklist/replacement_list_model.dart';
import 'package:mohem_flutter_app/widgets/app_bar_widget.dart';
import 'package:mohem_flutter_app/widgets/bottom_sheet.dart';
import 'package:mohem_flutter_app/widgets/bottom_sheets/search_employee_bottom_sheet.dart';
import 'package:mohem_flutter_app/widgets/button/default_button.dart';
import 'package:mohem_flutter_app/widgets/dynamic_forms/dynamic_textfield_widget.dart';

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

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

class _AddLeaveBalanceScreenState extends State<AddLeaveBalanceScreen> {
  List<GetAbsenceDffStructureList> getabsenceDffStructureList = [];
  List<GetAbsenceAttendanceTypesList> absenceList = [];

  GetAbsenceAttendanceTypesList? selectedAbsenceType;
  DateTime? startTime;
  DateTime? endTime;
  int totalDays = 0;
  String comment = "";
  ReplacementList? selectedReplacementEmployee;

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

  void getAbsenceAttendanceTypes() async {
    try {
      Utils.showLoading(context);
      absenceList = await LeaveBalanceApiClient().getAbsenceAttendanceTypes();
      Utils.hideLoading(context);
      setState(() {});
    } catch (ex) {
      Utils.hideLoading(context);
      Utils.handleException(ex, context, null);
    }
  }

  void getAbsenceDffStructure(String flexCode) async {
    try {
      Utils.showLoading(context);
      getabsenceDffStructureList.clear();
      getabsenceDffStructureList = await LeaveBalanceApiClient().getAbsenceDffStructure(flexCode, "HR_LOA_SS", -999);
      Utils.hideLoading(context);
      setState(() {});
    } catch (ex) {
      Utils.hideLoading(context);
      Utils.handleException(ex, context, null);
    }
  }

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

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.white,
      appBar: AppBarWidget(
        context,
        title: LocaleKeys.leaveBalance.tr(),
      ),
      body: Column(
        children: [
          ListView(
            padding: const EdgeInsets.all(21),
            children: [
              PopupMenuButton(
                child: DynamicTextFieldWidget(
                  LocaleKeys.absenceType.tr() + "*",
                  selectedAbsenceType == null ? LocaleKeys.selectTypeT.tr() : selectedAbsenceType!.aBSENCEATTENDANCETYPENAME!,
                  isEnable: false,
                  isPopup: true,
                ),
                itemBuilder: (_) => <PopupMenuItem<int>>[
                  for (int i = 0; i < absenceList.length; i++) PopupMenuItem<int>(value: i, child: Text(absenceList[i].aBSENCEATTENDANCETYPENAME!)),
                ],
                onSelected: (int popupIndex) {
                  if (selectedAbsenceType == absenceList[popupIndex]) {
                    return;
                  }
                  selectedAbsenceType = absenceList[popupIndex];
                  setState(() {});
                  getAbsenceDffStructure(selectedAbsenceType!.dESCFLEXCONTEXTCODE!);
                },
              ),
              12.height,
              DynamicTextFieldWidget(
                LocaleKeys.startDateT.tr() + "*",
                startTime == null ? "Select date" : startTime.toString(),
                suffixIconData: Icons.calendar_today,
                isEnable: false,
                onTap: () async {
                  var start = await _selectDate(context, startTime);
                  if (start != startTime) {
                    startTime = start;
                    setState(() {});
                  }
                },
              ),
              12.height,
              DynamicTextFieldWidget(
                LocaleKeys.endDateT.tr() + "*",
                endTime == null ? "Select date" : endTime.toString(),
                suffixIconData: Icons.calendar_today,
                isEnable: false,
                onTap: () async {
                  var end = await _selectDate(context, endTime);
                  if (end != endTime) {
                    endTime = end;
                    setState(() {});
                  }
                },
              ),
              12.height,
              DynamicTextFieldWidget(
                "Total Days",
                "Days",
                isInputTypeNum: true,
                onChange: (input) {
                  totalDays = int.parse(input);
                },
              ),
              12.height,
              DynamicTextFieldWidget(
                LocaleKeys.selectEmployee.tr(),
                selectedReplacementEmployee == null ? LocaleKeys.searchForEmployee.tr() : selectedReplacementEmployee!.employeeDisplayName ?? "",
                isEnable: false,
                onTap: () {
                  showMyBottomSheet(
                    context,
                    child: SearchEmployeeBottomSheet(
                      title: LocaleKeys.searchForEmployee.tr(),
                      apiMode: LocaleKeys.delegate.tr(),
                      onSelectEmployee: (_selectedEmployee) {
                        //   Navigator.pop(context);
                        selectedReplacementEmployee = _selectedEmployee;
                        setState(() {});
                      },
                    ),
                  );
                },
              ),
              12.height,
              DynamicTextFieldWidget(
                LocaleKeys.comments.tr(),
                LocaleKeys.writeComment.tr(),
                lines: 2,
                onChange: (input) {
                  comment = input;
                },
              ),
            ],
          ).expanded,
          DefaultButton(
            LocaleKeys.next.tr(),
            (selectedAbsenceType == null || startTime == null || endTime == null) ? null : () {},
          ).insideContainer
        ],
      ),
    );
  }

  // Widget parseDynamicFormatType(GetAbsenceDffStructureList model, int index) {
  //   if (model.dISPLAYFLAG != "N") {
  //     if (model.vALIDATIONTYPE == "N") {
  //       if (model.fORMATTYPE == "C") {
  //         return DynamicTextFieldWidget(
  //           (model.sEGMENTPROMPT ?? "") + (model.rEQUIREDFLAG == "Y" ? "*" : ""),
  //           model.eSERVICESDV?.pIDCOLUMNNAME ?? "",
  //           isReadOnly: model.rEADONLY == "Y",
  //           onChange: (text) {
  //             model.eSERVICESDV ??= ESERVICESDV();
  //             model.eSERVICESDV!.pIDCOLUMNNAME = text;
  //           },
  //         ).paddingOnly(bottom: 12);
  //       } else if (model.fORMATTYPE == "N") {
  //         return DynamicTextFieldWidget(
  //           (model.sEGMENTPROMPT ?? "") + (model.rEQUIREDFLAG == "Y" ? "*" : ""),
  //           model.eSERVICESDV?.pIDCOLUMNNAME ?? "",
  //           isReadOnly: model.rEADONLY == "Y",
  //           isInputTypeNum: true,
  //           onChange: (text) {
  //             model.eSERVICESDV ??= ESERVICESDV();
  //             model.eSERVICESDV!.pIDCOLUMNNAME = text;
  //           },
  //         ).paddingOnly(bottom: 12);
  //       } else if (model.fORMATTYPE == "X") {
  //         String displayText = model.eSERVICESDV?.pIDCOLUMNNAME ?? (getabsenceDffStructureList![index].fieldAnswer ?? "");
  //
  //         if (getabsenceDffStructureList[index].isDefaultTypeIsCDPS) {
  //           if (displayText.contains(" 00:00:00")) {
  //             displayText = displayText.replaceAll(" 00:00:00", "");
  //           }
  //           if (displayText.contains("/")) {
  //             displayText = DateFormat('yyyy-MM-dd').format(DateFormat("yyyy/MM/dd").parse(displayText));
  //           }
  //         }
  //         return DynamicTextFieldWidget(
  //           (model.sEGMENTPROMPT ?? "") + (model.rEQUIREDFLAG == "Y" ? "*" : ""),
  //           displayText,
  //           suffixIconData: Icons.calendar_today,
  //           isEnable: false,
  //           onTap: () async {
  //             if ((getabsenceDffStructureList![index].eSERVICESDV?.pVALUECOLUMNNAME != null)) {
  //               if (getabsenceDffStructureList![index].isDefaultTypeIsCDPS) {
  //                 selectedDate = DateFormat("yyyy/MM/dd").parse(getabsenceDffStructureList![index].eSERVICESDV!.pVALUECOLUMNNAME!.replaceAll('/"', '').replaceAll(" 00:00:00", ""));
  //               } else {
  //                 selectedDate = DateTime.parse(getabsenceDffStructureList![index].eSERVICESDV!.pVALUECOLUMNNAME!);
  //               }
  //             }
  //             DateTime date = await _selectDate(context);
  //             String dateString = date.toString().split(' ').first;
  //             // DateTime date1 = DateTime(date.year, date.month, date.day);
  //             // getabsenceDffStructureList![index].fieldAnswer = date.toString();
  //             ESERVICESDV eservicesdv;
  //             if (getabsenceDffStructureList![index].isDefaultTypeIsCDPS) {
  //               eservicesdv = ESERVICESDV(
  //                   pIDCOLUMNNAME: formatDate(dateString),
  //                   pRETURNMSG: "null",
  //                   pRETURNSTATUS: getabsenceDffStructureList![index].dEFAULTVALUE,
  //                   pVALUECOLUMNNAME: getabsenceDffStructureList![index].isDefaultTypeIsCDPS ? reverseFormatStandardDate(formatDate(dateString)) : DateFormat('yyyy-MM-ddThh:mm:ss.s').format(date));
  //             } else {
  //               eservicesdv = ESERVICESDV(
  //                   pIDCOLUMNNAME: dateString,
  //                   pRETURNMSG: "null",
  //                   pRETURNSTATUS: getabsenceDffStructureList![index].dEFAULTVALUE,
  //                   pVALUECOLUMNNAME: getabsenceDffStructureList![index].isDefaultTypeIsCDPS ? reverseFormatStandardDate(formatDate(dateString)) : DateFormat('yyyy-MM-ddThh:mm:ss.s').format(date));
  //             }
  //             getabsenceDffStructureList![index].eSERVICESDV = eservicesdv;
  //             setState(() {});
  //             if (model.cHILDSEGMENTSVSSplited?.isNotEmpty ?? false) {
  //               await calGetValueSetValues(model);
  //             }
  //             if (model.cHILDSEGMENTSDVSplited?.isNotEmpty ?? false) {
  //               await getDefaultValues(model);
  //             }
  //           },
  //         ).paddingOnly(bottom: 12);
  //       } else if (model.fORMATTYPE == "Y") {
  //         String displayText = model.eSERVICESDV?.pIDCOLUMNNAME ?? (getabsenceDffStructureList![index].fieldAnswer ?? "");
  //         if (getabsenceDffStructureList![index].isDefaultTypeIsCDPS) {
  //           displayText = reverseFormatDate(displayText);
  //           // if (displayText.contains(" 00:00:00")) {
  //           //   displayText = displayText.replaceAll(" 00:00:00", "");
  //           // }
  //           // if (!displayText.contains("-")) {
  //           //   displayText = DateFormat('yyyy-MM-dd').format(DateFormat("yyyy/MM/dd").parse(displayText));
  //           // }
  //         }
  //         return DynamicTextFieldWidget(
  //           (model.sEGMENTPROMPT ?? "") + (model.rEQUIREDFLAG == "Y" ? "*" : ""),
  //           displayText,
  //           suffixIconData: Icons.calendar_today,
  //           isEnable: false,
  //           onTap: () async {
  //             if ((getabsenceDffStructureList![index].eSERVICESDV?.pVALUECOLUMNNAME != null)) {
  //               if (getabsenceDffStructureList![index].isDefaultTypeIsCDPS) {
  //                 String tempDate = getabsenceDffStructureList![index].eSERVICESDV!.pVALUECOLUMNNAME!;
  //                 if (tempDate.contains("00:00:00")) {
  //                   tempDate = tempDate.replaceAll("00:00:00", '').trim();
  //                 }
  //                 if (tempDate.contains("/")) {
  //                   selectedDate = DateFormat("yyyy/MM/dd").parse(tempDate);
  //                 } else {
  //                   selectedDate = DateFormat("yyyy-MM-dd").parse(tempDate);
  //                 }
  //               } else {
  //                 selectedDate = DateTime.parse(getabsenceDffStructureList![index].eSERVICESDV!.pVALUECOLUMNNAME!);
  //               }
  //             }
  //             DateTime date = await _selectDate(context);
  //             String dateString = date.toString().split(' ').first;
  //             // getabsenceDffStructureList![index].fieldAnswer = date.toString();
  //             ESERVICESDV eservicesdv;
  //             if (getabsenceDffStructureList![index].isDefaultTypeIsCDPS) {
  //               eservicesdv = ESERVICESDV(
  //                   pIDCOLUMNNAME: formatDate(dateString),
  //                   pRETURNMSG: "null",
  //                   pRETURNSTATUS: getabsenceDffStructureList![index].dEFAULTVALUE,
  //                   pVALUECOLUMNNAME: getabsenceDffStructureList![index].isDefaultTypeIsCDPS ? reverseFormatStandardDate(formatDate(dateString)) : DateFormat('yyyy-MM-ddThh:mm:ss.s').format(date));
  //             } else {
  //               eservicesdv = ESERVICESDV(
  //                   pIDCOLUMNNAME: dateString,
  //                   pRETURNMSG: "null",
  //                   pRETURNSTATUS: getabsenceDffStructureList![index].dEFAULTVALUE,
  //                   pVALUECOLUMNNAME: getabsenceDffStructureList![index].isDefaultTypeIsCDPS ? reverseFormatStandardDate(formatDate(dateString)) : DateFormat('yyyy-MM-ddThh:mm:ss.s').format(date));
  //             }
  //
  //             getabsenceDffStructureList![index].eSERVICESDV = eservicesdv;
  //             setState(() {});
  //             if (model.cHILDSEGMENTSVSSplited?.isNotEmpty ?? false) {
  //               await calGetValueSetValues(model);
  //             }
  //             if (model.cHILDSEGMENTSDVSplited?.isNotEmpty ?? false) {
  //               await getDefaultValues(model);
  //             }
  //           },
  //         ).paddingOnly(bottom: 12);
  //       }
  //     } else {
  //       return PopupMenuButton(
  //           child: DynamicTextFieldWidget(
  //             (model.sEGMENTPROMPT ?? "") + (model.rEQUIREDFLAG == "Y" ? "*" : ""),
  //             model.eSERVICESDV?.pVALUECOLUMNNAME ?? "",
  //             isEnable: false,
  //             isPopup: true,
  //             isInputTypeNum: true,
  //             isReadOnly: model.rEADONLY == "Y",
  //           ).paddingOnly(bottom: 12),
  //           itemBuilder: (_) => <PopupMenuItem<int>>[
  //             if (model.rEADONLY != "Y")
  //               for (int i = 0; i < model.eSERVICESVS!.length; i++) PopupMenuItem<int>(child: Text(model.eSERVICESVS![i].vALUECOLUMNNAME!), value: i),
  //           ],
  //           onSelected: (int popipIndex) async {
  //             ESERVICESDV eservicesdv = ESERVICESDV(
  //                 pIDCOLUMNNAME: model.eSERVICESVS![popipIndex].iDCOLUMNNAME,
  //                 pRETURNMSG: "null",
  //                 pRETURNSTATUS: "null", //getabsenceDffStructureList![popipIndex].dEFAULTVALUE,
  //                 pVALUECOLUMNNAME: model.eSERVICESVS![popipIndex].vALUECOLUMNNAME);
  //             getabsenceDffStructureList![index].eSERVICESDV = eservicesdv;
  //             setState(() {});
  //             if (model.cHILDSEGMENTSVSSplited?.isNotEmpty ?? false) {
  //               await calGetValueSetValues(model);
  //             }
  //             if (model.cHILDSEGMENTSDVSplited?.isNotEmpty ?? false) {
  //               await getDefaultValues(model);
  //             }
  //           });
  //     }
  //   } else {
  //     return const SizedBox();
  //   }
  //   if (model.fORMATTYPE == "N") {
  //     if (model.eSERVICESVS?.isNotEmpty ?? false) {
  //       return PopupMenuButton(
  //           child: DynamicTextFieldWidget(
  //             (model.sEGMENTPROMPT ?? "") + (model.rEQUIREDFLAG == "Y" ? "*" : ""),
  //             model.eSERVICESDV?.pVALUECOLUMNNAME ?? "",
  //             isEnable: false,
  //             isPopup: true,
  //             isInputTypeNum: true,
  //             isReadOnly: model.rEADONLY == "Y",
  //           ).paddingOnly(bottom: 12),
  //           itemBuilder: (_) => <PopupMenuItem<int>>[
  //             if (model.rEADONLY != "Y")
  //               for (int i = 0; i < model.eSERVICESVS!.length; i++) PopupMenuItem<int>(value: i, child: Text(model.eSERVICESVS![i].vALUECOLUMNNAME!)),
  //           ],
  //           onSelected: (int popipIndex) async {
  //             ESERVICESDV eservicesdv =
  //             ESERVICESDV(pIDCOLUMNNAME: model.eSERVICESVS![popipIndex].iDCOLUMNNAME, pRETURNMSG: "null", pRETURNSTATUS: "null", pVALUECOLUMNNAME: model.eSERVICESVS![popipIndex].vALUECOLUMNNAME);
  //             getabsenceDffStructureList![index].eSERVICESDV = eservicesdv;
  //             setState(() {});
  //             if (model.cHILDSEGMENTSVSSplited?.isNotEmpty ?? false) {
  //               await calGetValueSetValues(model);
  //             }
  //             if (model.cHILDSEGMENTSDVSplited?.isNotEmpty ?? false) {
  //               await 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" || model.fORMATTYPE == "Y") {
  //     String displayText = model.eSERVICESDV?.pIDCOLUMNNAME ?? (getabsenceDffStructureList![index].fieldAnswer ?? "");
  //     if (getabsenceDffStructureList![index].isDefaultTypeIsCDPS) {
  //       if (displayText.contains(" 00:00:00")) {
  //         displayText = displayText.replaceAll(" 00:00:00", "");
  //       }
  //       if (!displayText.contains("-")) {
  //         displayText = DateFormat('yyyy-MM-dd').format(DateFormat("yyyy/MM/dd").parse(displayText));
  //       }
  //     }
  //     return DynamicTextFieldWidget(
  //       (model.sEGMENTPROMPT ?? "") + (model.rEQUIREDFLAG == "Y" ? "*" : ""),
  //       displayText,
  //       suffixIconData: Icons.calendar_today,
  //       isEnable: false,
  //       onTap: () async {
  //         if ((getabsenceDffStructureList![index].eSERVICESDV?.pVALUECOLUMNNAME != null)) {
  //           if (getabsenceDffStructureList![index].isDefaultTypeIsCDPS) {
  //             selectedDate = DateFormat("yyyy/MM/dd").parse(getabsenceDffStructureList![index].eSERVICESDV!.pVALUECOLUMNNAME!.replaceAll('/"', '').replaceAll(" 00:00:00", ""));
  //           } else {
  //             selectedDate = DateTime.parse(getabsenceDffStructureList![index].eSERVICESDV!.pVALUECOLUMNNAME!);
  //           }
  //         }
  //         DateTime date = await _selectDate(context);
  //         String dateString = date.toString().split(' ').first;
  //         getabsenceDffStructureList![index].fieldAnswer = date.toString();
  //         ESERVICESDV eservicesdv = ESERVICESDV(
  //             pIDCOLUMNNAME: dateString,
  //             pRETURNMSG: "null",
  //             pRETURNSTATUS: getabsenceDffStructureList![index].dEFAULTVALUE,
  //             pVALUECOLUMNNAME: getabsenceDffStructureList![index].isDefaultTypeIsCDPS ? reverseFormatStandardDate(formatDate(dateString)) : DateFormat('yyyy-MM-ddThh:mm:ss.s').format(date));
  //         getabsenceDffStructureList![index].eSERVICESDV = eservicesdv;
  //         setState(() {});
  //         if (model.cHILDSEGMENTSVSSplited?.isNotEmpty ?? false) {
  //           await calGetValueSetValues(model);
  //         }
  //         if (model.cHILDSEGMENTSDVSplited?.isNotEmpty ?? false) {
  //           await getDefaultValues(model);
  //         }
  //       },
  //     ).paddingOnly(bottom: 12);
  //   } else if (model.fORMATTYPE == "I") {
  //     return DynamicTextFieldWidget(
  //       (model.sEGMENTPROMPT ?? "") + (model.rEQUIREDFLAG == "Y" ? "*" : ""),
  //       model.eSERVICESDV?.pIDCOLUMNNAME ?? (getabsenceDffStructureList![index].fieldAnswer ?? ""),
  //       suffixIconData: Icons.access_time_filled_rounded,
  //       isEnable: false,
  //       onTap: () async {
  //         if ((getabsenceDffStructureList![index].eSERVICESDV?.pVALUECOLUMNNAME != null)) {
  //           var timeString = getabsenceDffStructureList![index].eSERVICESDV!.pVALUECOLUMNNAME!.split(":");
  //           selectedDate = DateTime(0, 0, 0, int.parse(timeString[0]), int.parse(timeString[1]));
  //
  //           //DateTime.parse(getabsenceDffStructureList![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);
  //         //  getabsenceDffStructureList![index].fieldAnswer = date.toString();
  //         ESERVICESDV eservicesdv = ESERVICESDV(pIDCOLUMNNAME: time, pRETURNMSG: "null", pRETURNSTATUS: getabsenceDffStructureList![index].dEFAULTVALUE, pVALUECOLUMNNAME: time);
  //         getabsenceDffStructureList![index].eSERVICESDV = eservicesdv;
  //         setState(() {});
  //         // if (model.cHILDSEGMENTSVSSplited?.isNotEmpty ?? false) {
  //         //   await calGetValueSetValues(model);
  //         // }
  //         // if (model.cHILDSEGMENTSDVSplited?.isNotEmpty ?? false) {
  //         //   await getDefaultValues(model);
  //         // }
  //       },
  //     ).paddingOnly(bottom: 12);
  //   }
  //
  //   return Column(
  //     crossAxisAlignment: CrossAxisAlignment.start,
  //     mainAxisSize: MainAxisSize.min,
  //     children: [],
  //   ).objectContainerView();
  // }

  Future<DateTime> _selectDate(BuildContext context, DateTime? dateInput) async {
    DateTime time = dateInput ?? DateTime.now();
    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 != dateInput) {
                time = value;
              }
            },
            initialDateTime: dateInput,
          ),
        ),
      );
    } else {
      DateTime? picked =
          await showDatePicker(context: context, initialDate: dateInput ?? DateTime.now(), initialEntryMode: DatePickerEntryMode.calendarOnly, firstDate: DateTime(2015, 8), lastDate: DateTime(2101));
      if (picked != null && picked != dateInput) {
        time = picked;
      }
    }
    time = DateTime(time.year, time.month, time.day);
    return time;
  }
}