using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using System.Web.Mvc;

using BeWoPlanerMobil.Models;
using BeWoPlanerMobil.Service;

using BS.Shared;
using BS.Shared.Core;
using BS.Shared.DataContracts;
using BS.Shared.DataContracts.Compact;
using BS.Shared.Extensions;

using Newtonsoft.Json;

using DevExpress.XtraScheduler;
using DevExpress.XtraScheduler.Compatibility;

namespace BeWoPlanerMobil.Controllers
{
    public class MainController : AbstractBaseController
    {
        private MainModel _Model;
        public MainModel Model
        {
            get
            {
                if (!MobileSessionFacade.IsUserLoggedIn())
                {
                    RedirectToActionPermanent("Index", "Login");
                    return null;
                }

                if (((MainModel) Session[MainModelSessionKey])?.Employee == null)
                {
                    _Model = new MainModel { Employee = MobileSessionFacade.LoggedInEmployee };
                    Session[MainModelSessionKey] = _Model;
                }
                else
                {
                    _Model = (MainModel)Session[MainModelSessionKey];
                }

                return _Model;
            }
        }

        private const string MainModelSessionKey = "MainModel";
        
        private Dictionary<long, ValueListEntryDC> _ParentGoals;

        private static readonly List<ValueListEntryType> _Zieltypen = new List<ValueListEntryType> { ValueListEntryType.SupportConceptGoalCategoryType, ValueListEntryType.SupportConceptIndividualGoalCategoryType };
        private static readonly List<ValueListEntryType> _Massnahmentypen = new List<ValueListEntryType> { ValueListEntryType.SupportConceptGoalType, ValueListEntryType.SupportConceptIndividualGoalType };

        [Authorize]
        public ActionResult Main()
        {
            try
            {
                ViewData["ValidationError"] = string.Empty;

                if (!MobileSessionFacade.IsUserLoggedIn())
                {
	                return RedirectToActionPermanent("Index", "Login");
                }

                var unter = GetSettingValue("ShowSignature");
                Model.ShowSignature = unter == "1";
                var test = Model.SaveSignature;

                Model.SelectedGoals = null;

                Model.ShowDistanceField = "1" == GetSettingValue("ShowDistanceFields");

                Model.Dokutypes = ValueListService.GetAllValueListEntrysByType(ValueListEntryType.DocumentType);
                if (Model.Dokutypes != null)
                {
                    Model.Dokutypes = Model.Dokutypes.OrderBy(s => s.ValueListEntryOid).ToArray();
                }

                if(MainModel.AllEmployees == null)
                {
                    MainModel.AllEmployees = EmployeeService.GetAllActiveEmployeesCompact();
                }

                var myRelatedCustomers = Model.Employee == null ? new List<CustomerEmployeeRelationDC>() : Model.Employee.RelatedCustomers;

                if (MobileSessionFacade.CheckForUserRight(UserRightType.CustomerView_View))
                {
                    Model.Customers = CustomerService.GetAllActiveCustomers().OrderBy(k => k.LastName).ToList();
                }
                else if(MobileSessionFacade.CheckForUserRight(UserRightType.Customer_ViewMyCustomers))
                {
                    Model.Customers = CustomerService.GetActiveCustomersById(myRelatedCustomers.Select(c => c.Customer.CustomerOid).ToList()).OrderBy(k => k.LastName).ToList();
                }
                else
                {
                    Model.Customers = new List<CustomerDC>();
                }

                if(MobileSessionFacade.CheckForUserRight(UserRightType.ServiceRecord_AllowCreationForOtherEmployees))
                {
                    Model.Employees = EmployeeService.GetAllActiveEmployeesCompact();
                }
                else if(MobileSessionFacade.CheckForUserRight(UserRightType.ServiceRecord_AllowCreationForOtherTeamMember) && Model.Employee != null && Model.Employee.EmployeeOid != null)
                {
                    Model.Employees = EmployeeService.GetAllTeamMember(MobileSessionFacade.LoggedInCompactEmployee);
                }
                else
                {
                    Model.Employees = new List<CompactEmployeeDC> { MobileSessionFacade.LoggedInCompactEmployee };
                }

                if(Model.ShowOnlyOwnSupportConcepts == false && MobileSessionFacade.CheckForUserRight(UserRightType.SupportConcept_ViewAllSupportConcepts))
                {
                    Model.SupportConcepts = CustomerService.GetAllActiveSupportConcepts();
                }
                else
                {
                    Model.SupportConcepts = CustomerService.GetAllActiveSupportConceptsByCustomers(Model.Customers.Select(c => c.CustomerOid != null ? c.CustomerOid.Value : 0));
                }

				if (Model.ServiceCategories == null)
				{
					Model.ServiceCategories = new List<ServiceCategoryModel>();
				}

                if (Model.CostBearer2SupportConceptOid != null)
                {
                    LoadRecordsToModel();
                }
            }
            catch (Exception e)
            {
                log.Error(e.Message, e);
            }

            return View(Model);
        }

        [HttpPost]
        [Authorize]
        public ActionResult SetShowOnlyOwnSupportConcepts(FormCollection collection)
        {
            Model.ShowOnlyOwnSupportConcepts = "true,false" == collection["ShowOnlyOwnSupportConcepts"];

            return RedirectToActionPermanent("Main");
        }

        [HttpPost]
        public new ActionResult Logout()
        {    
            return base.Logout();
        }

        [Authorize]
        public string LoadGoals(long pCostbearer2SupportConceptOid)
        {
            if (Model == null)
            {
                return "SessionTimeout";
            }

            var sc = Model.SupportConcepts.FirstOrDefault(f => f.CostBearerRelations.Any(cbr => cbr.CostBearer2SupportConceptOid.HasValue && cbr.CostBearer2SupportConceptOid.Value.Equals(pCostbearer2SupportConceptOid)));

            if (sc == null)
            {
                return string.Empty;
            }

            Model.SelectedSupportConcept = sc;

            var selectedGoals = sc.Goals;
            var missingParents = selectedGoals.Where(w => w.ParentOid != null && false == selectedGoals.Any(a => a.ValueListEntryOid.Equals(w.ParentOid))).Select(s => s.ParentOid).ToList();

            _ParentGoals = new Dictionary<long, ValueListEntryDC>();
            foreach (var oid in missingParents)
            {
                LoadMissingParents(oid.Value);
            }

            return SerializeObject(BuildGoalTree(selectedGoals.Union(_ParentGoals.Values).ToList()));
        }

        private static List<GoalTreeItem> BuildGoalTree(List<ValueListEntryDC> goals)
        {
            var ziele = goals.Where(w => _Zieltypen.Contains(w.Type)).OrderBy(s => s.TypeDescription).ToList();
            var massnahmen = goals.Where(w => _Massnahmentypen.Contains(w.Type)).OrderBy(s => s.TypeDescription).ToList();
            var goalTree = new List<GoalTreeItem>();
            var goalTreeDic = new Dictionary<long, GoalTreeItem>();

            
            foreach(var ziel in ziele)
            {
                var treeItem = new GoalTreeItem {Children = new List<GoalTreeItem>(), Header = ziel.TypeDescription, ParentOid = ziel.ParentOid, ValueListEntryOid = ziel.ValueListEntryOid};

				goalTreeDic.Add(ziel.ValueListEntryOid.Value, treeItem);

                if(ziel.ParentOid == null)
                {
                    goalTree.Add(treeItem);
                }
            }

            foreach(var zielMitEltern in goalTreeDic.Values.Where(w => w.ParentOid != null))
            {
                goalTreeDic[zielMitEltern.ParentOid.Value].Children.Add(zielMitEltern);
            }

            foreach(var ziel in massnahmen)
            {
                var kind = new GoalTreeItem {Children = new List<GoalTreeItem>(), Header = ziel.TypeDescription, IsLeaf = true, ValueListEntryOid = ziel.ValueListEntryOid};

                if(ziel.ParentOid != null && goalTreeDic.ContainsKey(ziel.ParentOid.Value))
                {
                    kind.ParentOid = goalTreeDic[ziel.ParentOid.Value].ParentOid;
                    goalTreeDic[ziel.ParentOid.Value].Children.Add(kind);
                }
            }

			foreach(var item in goalTreeDic.Values)
			{
				if(item.Children.Count == 0 && item.ParentOid.HasValue)
				{
				    item.IsLeaf = true;
				}
			}

            return goalTree;
        }

        private void LoadMissingParents(long pParentOid)
        {
            while(true)
            {
                var parentDC = ValueListService.GetValueListEntryByOid(pParentOid);

                if(!_ParentGoals.ContainsKey(parentDC.ValueListEntryOid.Value))
                {
                    _ParentGoals.Add(parentDC.ValueListEntryOid.Value, parentDC);

                    if(parentDC.ParentOid != null)
                    {
                        pParentOid = parentDC.ParentOid.Value;
                        continue;
                    }
                }

                break;
            }
        }

        public string LoadBWPSettings()
        {
            var m = OperationsService.GetMandator();
            var time = GetSettingValue(m.Settings, "TimeUntilUILock");
	        
            return SerializeObject(time);
        }

        public string CheckEndDate() {

            var m = OperationsService.GetMandator();
            var endtime = GetSettingValue(m.Settings, "IsEndDateVisible");

            return SerializeObject(endtime);
        }

        public string CheckOnlyYearMonth()
        {

            var m = OperationsService.GetMandator();
            var yearMonth = GetSettingValue(m.Settings, "IsOnlyYearMonthVisible");

            return SerializeObject(yearMonth);
        }

        public string CheckIsZeiterfassDateNormal()
        {

            var m = OperationsService.GetMandator();
            var normal = GetSettingValue(m.Settings, "IsZeiterfassDateNormal");

            return SerializeObject(normal);
        }

        public string CheckIsZeiterfassungInStdMin()
        {

            var m = OperationsService.GetMandator();
            var zeiterInStdMin = GetSettingValue(m.Settings, "IsZeiterfassungInStdMin");

            return SerializeObject(zeiterInStdMin);
        }

        public string CheckDokuReiter()
        {
            return SerializeObject(Model.Dokutypes);
        }

        private string GetSettingValue(string key)
        {
            var man = OperationsService.GetMandator();
            return GetSettingValue(man.Settings, key);
        }

        private static string GetSettingValue(string settings, string key)
        {
            if (!string.IsNullOrEmpty(settings))
            {
                if (settings.IndexOf(";") == -1 && settings.IndexOf("=") == -1)
                {
                    return settings;
                }

                var keyValuePairs = settings.Split(';');

                return (from pair in keyValuePairs select pair.Split('=') into keyValuePair where keyValuePair.Length == 2 where keyValuePair[0] == key select keyValuePair[1]).FirstOrDefault();
            }

            return null;
        }

        [Authorize]
        public string LoadAppointments(string newtoday)
        {
            try
            {
                if (Model == null)
                {
                    return "SessionTimeout";
                }

                var date = DateTime.ParseExact(newtoday, "dd.MM.yyyy", null);

                var appointments = KalenderService.LoadFilteredAppointments(true, Model.Employee.EmployeeOid.Value, date.Date, date.Date.AddDays(1), new List<long>(), new List<long>(), new List<long>(), false, false, false, false, true).OrderBy(x => x.StartDate.Value.Hour).ToList();

                var holySweetFlyingFuck = appointments.Where(w => w.StartDate.HasValue && w.EndDate.HasValue && ((date.InBetween(w.StartDate.Value, w.EndDate.Value, false) || date.CompareShortDates(w.StartDate.Value)) && w.RecurrenceInfo == null || w.RecurrenceInfo != null && w.Type == 3 && (date.InBetween(w.StartDate.Value, w.EndDate.Value, false) || date.CompareShortDates(w.StartDate.Value)))).ToList();

                foreach(var appointment in appointments)
                {
                    // TODO: Exceptions herausfiltern!

                    // TODO: Ein Serientermin wird nicht richtig angezeigt
                    if(appointment.RecurrenceInfo != null && appointment.Type == 1)
                    {
                        var recurrenceInfo = new RecurrenceInfo();
                        recurrenceInfo.FromXml(appointment.RecurrenceInfo);
                        var occurrenceCalculator = OccurrenceCalculator.CreateInstance(recurrenceInfo);

                        var pattern = StaticAppointmentFactory.CreateAppointment(AppointmentType.Pattern);
                        pattern.RecurrenceInfo.FromXml(appointment.RecurrenceInfo);
                        pattern.Start = pattern.RecurrenceInfo.Start;
                        pattern.End = pattern.RecurrenceInfo.End;

                        var occurrences = occurrenceCalculator.CalcOccurrences(new TimeInterval(date, date.AddHours(23).AddMinutes(59).AddSeconds(59).AddMilliseconds(999)), pattern);

                        if(occurrences.Count > 0)
                        {
                            foreach(var termin in occurrences)
                            {
                                if(!date.InBetween(termin.Start, termin.End, false))
                                {
                                    continue;
                                }

                                var duration = (appointment.EndDate.Value - appointment.StartDate.Value).TotalMinutes;

                                holySweetFlyingFuck.Add(new SchedulerAppointmentDC
                                {
                                    AllDay                   = appointment.AllDay,
                                    CustomerList             = appointment.CustomerList,
                                    Description              = appointment.Description,
                                    EmployeeList             = appointment.EmployeeList,
                                    EndDate                  = termin.Start.AddMinutes(duration),
                                    FormerBookingSequenceOid = appointment.FormerBookingSequenceOid,
                                    IsPrivate                = appointment.IsPrivate,
                                    LabelId                  = appointment.LabelId,
                                    Location                 = appointment.Location,
                                    Originator               = appointment.Originator,
                                    RecurrenceInfo           = termin.RecurrenceInfo.ToXml(),
                                    ReminderInfo             = appointment.ReminderInfo,
                                    ResourceList             = appointment.ResourceList,
                                    StartDate                = termin.Start,
                                    Subject                  = appointment.Subject,
                                    Type                     = appointment.Type
                                });
                            }
                        }
                    }
                }

                return SerializeObject(holySweetFlyingFuck);
            }
            catch (Exception e)
            {
				log.Error(e.Message, e);
                return SerializeObject("Fehler 510");
            }
        }

        [Authorize]
        public string LoadStatistics(long oid)
        {
            try
            {
                if (Model == null)
                {
                    return "SessionTimeout";
                }

                var parents = OperationsService.CreateSupportConceptStatistics(oid,DateTime.Now); 

                return SerializeObject(parents);
            }
            catch (Exception e)
            {
				log.Error(e.Message, e);
                return SerializeObject("Fehler 560");
            }
        }

        [Authorize]
        public void UpdateAppointment(long oid, string betreff, string notice, string startZeit, string endZeit, string day, string endDate)
        {
            try
            {
                if (Model == null)
                {
                    SerializeObject("SessionTimeout");
                }

                var date = DateTime.Parse(day);
                var end = DateTime.Parse(endDate);
                var zeit = ConvertRecordTimesWithEndDate(startZeit, endZeit, date, end, 0);

                var b1 = KalenderService.GetSchedulerAppointmentByid(oid);

                b1.EndDate     = zeit[1];
                b1.StartDate   = zeit[0];
                b1.Subject     = betreff;
                b1.Description = notice;

                KalenderService.UpdateSchedulerAppointments(new List<SchedulerAppointmentDC>{b1});
            }
            catch (Exception e)
            {
				log.Error(e.Message, e);
                SerializeObject("Fehler 550: Internal Server Error");
            }
        }

        [Authorize]
        public void InsertAppointment(string day, string startZeit, string endZeit, string betreff, string notice, string endDate)
        {
            try
            {
                if (Model == null)
                {
                    SerializeObject("SessionTimeout");
                }

                var date = DateTime.Parse(day);
                var end = DateTime.Parse(endDate);
                var zeit = ConvertRecordTimesWithEndDate(startZeit, endZeit, date, end, 0);
                var a1 = new List<SchedulerAppointmentDC> {
                    new SchedulerAppointmentDC
                    {
                        EmployeeList = new List<Employee2SchedulerAppointmentDC>(), 
                        CustomerList = new List<CompactCustomerDC>(), 
                        ResourceList = new List<ResourceDC>(), 
                        EndDate      = zeit[1],
                        StartDate    = zeit[0],
                        Subject      = betreff,
                        Description  = notice,
                        Originator   = MobileSessionFacade.LoggedInCompactEmployee
                    }
                };

                KalenderService.InsertSchedulerAppointments(a1);
            }
            catch (Exception e)
            {
				log.Error(e.Message, e);
                SerializeObject("Fehler 520");
            }
        }

        [Authorize]
        public string LoadBeWoTasks(string newtoday)
        {
            try
            {
                if (Model == null)
                {
                    return "SessionTimeout";
                }

                var date = DateTime.ParseExact(newtoday, "dd.MM.yyyy", null);

                var tasks = AnalysisService.GetTasksForEmployeeByDate(Model.Employee.EmployeeOid.Value, date);

                return SerializeObject(tasks);
            }

            catch (Exception e)
            {
				log.Error(e.Message, e);
                return SerializeObject("Fehler 530");
            }
        }

        [Authorize]
        public void SaveUnterschrift(string breitengrad, string langengrad, string blob, string zeitstempel, long? ServiceRecord)
        {
            try
            {
                if (Model == null)
                {
                    SerializeObject("SessionTimeout");
                }

                var date = DateTime.Parse(zeitstempel);

                OperationsService.InsertSignature(new SignatureDC
                {
                    DataBild = blob,
                    Latitute = breitengrad,
                    Longitute = langengrad,
                    Zeitstempel = date,
                    ServiceRecordOid = ServiceRecord
                });
            }
            catch (Exception e)
            {
				log.Error(e.Message, e);
                SerializeObject("Fehler 540");
            }
        }

        public void SetSaveSignature(bool save)
        {
            try
            {
                if (Model == null)
                {
                    SerializeObject("SessionTimeout");
                }
                else
                {
                    Model.SaveSignature = save;
                }
            }
            catch (Exception e)
            {
				log.Error(e.Message, e);
                SerializeObject("Fehler 777: Fail Error Compilation");
            }
        }

		public string LoadServiceCategories(long pServiceCategoryOid)
	    {
	        var scm = Model?.ServiceCategories.FirstOrDefault(s => s.ServiceCategoryOid.Value == pServiceCategoryOid);

	        return SerializeObject(scm != null ? scm.ServiceDescriptions : new List<ServiceDescriptionDC>());
	    }

        [Authorize]
        public string LoadTextbausteineForServiceCategory(long pServiceCategoryOid)
        {
            if (!MobileSessionFacade.CheckForUserRight(UserRightType.TextbausteineNurEigeneAnsehen) && !MobileSessionFacade.CheckForUserRight(UserRightType.TextbausteineAlleAnsehen))
            {
                return null;
            }

            var textbausteine = OperationsService.GetAllTextModules();

            if(MobileSessionFacade.CheckForUserRight(UserRightType.TextbausteineNurEigeneAnsehen))
            {
                textbausteine = textbausteine.Where(w => w.Employee.EmployeeOid == Model.Employee.EmployeeOid).ToList();
            }

            Model.Textbausteine = textbausteine.Where(w => w.ServiceCategory != null && w.ServiceCategory.ServiceCategoryOid == pServiceCategoryOid).ToList();

            Model.Textbausteine.AddRangeIfElementsNotIn(Utils.GetParentTextModules(Model.Textbausteine));

            var displayItems = Model.Textbausteine.Select(s => new TextbausteinDisplayItem(s.TextModuleOid.Value, s.Name, s.Parent?.TextModuleOid, s.IsParent, s.Text)).ToList();

            foreach(var item in displayItems)
            {
                if(item.ParentOid != null)
                {
                    var parent = displayItems.FirstOrDefault(f => f.Oid == item.ParentOid);
                    parent?.Children.AddIfNotIn(item);
                }
            }

            displayItems = displayItems.Where(w => w.ParentOid == null).ToList();

            return SerializeObject(displayItems);
        }

        public string LoadCompleteTextbausteinByOid(long pTextbausteinOid)
        {
            var abc = Model.Textbausteine.FirstOrDefault(f => f.TextModuleOid.Value == pTextbausteinOid);

            return abc.Text;
        }

        // Ajax-Aufruf zum anzeigen, ob beim Speichern ein Fehler aufgetreten ist.
        public void ErrorZeiterfassungAnzeigen(int errorwert)
	    {
		    try
		    {
			    if (Model == null)
			    {
				    SerializeObject("SessionTimeout");
			    }
			    else
			    {
				    Model.ErrorWert = errorwert;
			    }
		    }
		    catch (Exception e)
		    {
				log.Error(e.Message, e);
			    SerializeObject("Fehler 777: Fail Error Compilation");
		    }
	    }

	    [HttpPost]
        [Authorize]
        public ActionResult CreateServiceRecord(FormCollection collection)
        {
            try
            {
                if (Model == null)
                {
                    return RedirectToActionPermanent("Index", "Login");
                }

                string doku1;

                if (Model.Dokutypes != null && Model.Dokutypes.Length > 1)
                {
                    doku1 = collection["Dokumentation"];
                }
                else
                {
                    doku1 = collection["Dokumentation6"];
                }
                
                log.Info($"CreateServiceRecord: datum:{collection["Datum"]}; start:{collection["Start"]}; ende:{collection["Ende"]}; dauer:{collection["Dauer"]}; doku:{doku1}; aktion:{collection["versteckt"]}");
                
                if (string.IsNullOrEmpty(collection["Datum"]))
                {
                    return View("Main", Model);
                }

                var distanz = collection["Distanz"];
                int? distanceInMeters = null;

                if(!string.IsNullOrEmpty(distanz))
                {
                    if(int.TryParse(distanz, out var parsedDistance))
                    {
                        distanceInMeters = parsedDistance;
                    }
                }

                var submitBtnVal = collection["versteckt"];
                var selectedCostbearerSCRelOid = Model.CostBearer2SupportConceptOid < 1 ? null : Model.CostBearer2SupportConceptOid;
                var datum = Convert.ToDateTime(collection["Datum"]);

                var enddatum = datum;

                var start = collection["Start"];
                var ende = collection["Ende"];
                var dauer = 0;

                if (datum > enddatum) {
                    enddatum = datum;
                }

                if (!string.IsNullOrEmpty(collection["Dauer"]))
                {
                    int.TryParse(collection["Dauer"], out dauer);
                }
                
                var doku2 = collection["Dokumentation2"];
                var doku3 = collection["Dokumentation3"];
                var doku4 = collection["Dokumentation4"];
                var doku5 = collection["Dokumentation5"];

                var zeitenFeld = new DateTime[2];

                if (start == string.Empty && ende == string.Empty)
                {
                    zeitenFeld[0] = new DateTime(datum.Year, datum.Month, datum.Day, 0, 0, 1);

                    if(enddatum == datum)
                    {
                        zeitenFeld[1] = new DateTime(datum.Year, datum.Month, datum.Day, 0, 0, 1).AddMinutes(dauer);
                    }
                    else
                    {
                        zeitenFeld[1] = new DateTime(enddatum.Year, enddatum.Month, enddatum.Day, 0, 0, 1).AddMinutes(dauer);
                    }
                }
                else
                {
                    zeitenFeld = enddatum == datum ? ConvertRecordTimes(start, ende, datum, dauer) : ConvertRecordTimesWithEndDate(start, ende, datum, enddatum, dauer);
                }

                if (dauer == 0 || zeitenFeld[1] != zeitenFeld[0])
                {
                    dauer = (int) (zeitenFeld[1] - zeitenFeld[0]).TotalMinutes;
                }
                
                if (submitBtnVal.Equals("Speichern"))
                {
                    var selectedRecordOid = Model.SelectedServiceRecordOid;
                    Model.NewServiceRecord = OperationsService.GetServiceRecordById(selectedRecordOid.Value);
                }

                if (Model.NewServiceRecord == null)
                {
                    return RedirectToActionPermanent("Main");
                }

                Model.NewServiceRecord.Goals = Model.SelectedGoals;
                Model.NewServiceRecord.Start = zeitenFeld[0];
                Model.NewServiceRecord.End = zeitenFeld[1];

                Model.NewServiceRecord.DistanceInMeter = distanceInMeters;

                if (Model.Employee.EmployeeOid != null)
                {
                    if (!submitBtnVal.Equals("Speichern"))
                    {
                        Model.NewServiceRecord.Employee = Model.SelectedEmployee ?? MobileSessionFacade.LoggedInCompactEmployee;
                    }

                    var sc = Model.SupportConcepts.FirstOrDefault(fod => fod.CostBearerRelations.Any(a => a.CostBearer2SupportConceptOid.HasValue && a.CostBearer2SupportConceptOid.Value.Equals(selectedCostbearerSCRelOid)));
	                if (sc != null)
	                {
		                if (sc.SupportConceptOid != null)
		                {
			                Model.NewServiceRecord.SupportConcept =
				                CustomerService.LoadCompactSupportConceptDC(sc.SupportConceptOid.Value, Model.Employee.EmployeeOid);
		                }

		                Model.NewServiceRecord.Customer = sc.Customer;

		                var cb2ScRel =
			                sc.CostBearerRelations.First(
				                f =>
					                f.CostBearer2SupportConceptOid.HasValue &&
					                f.CostBearer2SupportConceptOid.Equals(selectedCostbearerSCRelOid));
		                Model.NewServiceRecord.CostBearer = cb2ScRel.CostBearer;

		                var intervall = Model.NewServiceRecord.CostBearer.ActualMinuteIntervall;

		                if (intervall > 0)
		                {
			                Model.NewServiceRecord.RoundedDuration = dauer%intervall != 0 ? dauer + (intervall - dauer%intervall) : dauer;
		                }
		                else
		                {
			                Model.NewServiceRecord.RoundedDuration = dauer;
		                }

		                Model.NewServiceRecord.CostBearer2SupportConceptOid = selectedCostbearerSCRelOid;
	                }
	                else
	                {
						Model.NewServiceRecord.RoundedDuration = dauer;
	                }
                }

                Model.NewServiceRecord.Notice = doku1;

                Model.NewServiceRecord.Notice2 = doku2;
                Model.NewServiceRecord.Notice3 = doku3;
                Model.NewServiceRecord.Notice4 = doku4;
                Model.NewServiceRecord.Notice5 = doku5;

                var serviceDescOid = 0L;

                if (Model.SelectedServiceDescriptionOid.HasValue)
                {
                    serviceDescOid = Model.SelectedServiceDescriptionOid.Value;
                }
                else if (!string.IsNullOrEmpty(collection["Leistungen"]))
                {
                    serviceDescOid = Convert.ToInt64(collection["Leistungen"]);
                }

                if (serviceDescOid > 0)
                {
                    Model.NewServiceRecord.ServiceDescription = OperationsService.GetServiceDescription(serviceDescOid);
                }

                if (Model.NewServiceRecord.RoundedDuration == 0)
                {
                    Model.NewServiceRecord.RoundedDuration = dauer;
                }
                
                Model.NewServiceRecord.IP = Request.UserHostAddress;
                Model.NewServiceRecord.InsertedOn = DateTime.Now;
                Model.NewServiceRecord.InsUser = $"{MobileSessionFacade.LoggedInEmployee.FirstName} {MobileSessionFacade.LoggedInEmployee.LastName}";
                Model.NewServiceRecord.IsCreatedInMobileClient = true;

                if (submitBtnVal.Equals("Anlegen"))
                {
                    var oidList = OperationsService.InsertNewServiceRecords(new List<ServiceRecordDC> { Model.NewServiceRecord });

                    Model.ServiceRecordOid = oidList[0];
                }
                else
                {
                    OperationsService.UpdateServiceRecords(new List<ServiceRecordDC> { Model.NewServiceRecord });
                }

                Model.NewServiceRecord = new ServiceRecordDC();

                if (selectedCostbearerSCRelOid.HasValue)
                {
                    Model.ServiceRecords = OperationsService.FindServiceRecordsForLastDays(selectedCostbearerSCRelOid, Model.Zeitraum, Model.Employee.EmployeeOid).ToList();
                }
            }
            catch (Exception e)
            {
                log.Error(e.Message, e);
            }

            Model.SaveSignature = Model.ShowSignature;

            return RedirectToActionPermanent("Main");
        }

        public ActionResult SaveZeiterfassungAfterCrash(string Datum, string StartD, string EndeD, string Dauer, string Doku, string Leistungen, string Doku2, string Doku3, string Doku4, string Doku5, string EndDatum)
        {

            try
            {
                if (Model == null)
                {
                    return RedirectToActionPermanent("Index", "Login");
                }

                log.Info($"saveZeiterfassungAfterCrash: datum:{Datum};start:{StartD};ende:{EndeD};dauer:{Dauer};doku:{Doku};doku2:{Doku2};doku3:{Doku3};doku4:{Doku4};doku5:{Doku5};EndDatum:{EndDatum}");

                if (string.IsNullOrEmpty(Datum))
                {
                    return View("Main", Model);
                }

                var selectedCostbearerSCRelOid = Model.CostBearer2SupportConceptOid < 1 ? null : Model.CostBearer2SupportConceptOid;
                var datum = Convert.ToDateTime(Datum);
                var start = StartD;
                var ende = EndeD;
                var dauer = 0;

                var enddatum = EndDatum != "" ? Convert.ToDateTime(EndDatum) : datum;

                if (datum > enddatum)
                {
                    enddatum = datum;
                }

                if (!string.IsNullOrEmpty(Dauer))
                {
                    int.TryParse(Dauer, out dauer);
                }

                var doku = Doku;
                var doku2 = Doku2;
                var doku3 = Doku3;
                var doku4 = Doku4;
                var doku5 = Doku5;

                var zeitenFeld = new DateTime[2];

                if (start == string.Empty && ende == string.Empty)
                {
                    zeitenFeld[0] = new DateTime(datum.Year, datum.Month, datum.Day, 0, 0, 1);

                    if (enddatum == datum)
                    {
                        zeitenFeld[1] = new DateTime(datum.Year, datum.Month, datum.Day, 0, 0, 1).AddMinutes(dauer);
                    }
                    else
                    {
                        zeitenFeld[1] = new DateTime(enddatum.Year, enddatum.Month, enddatum.Day, 0, 0, 1).AddMinutes(dauer);
                    }
                }
                else
                {
                    zeitenFeld = enddatum == datum ? ConvertRecordTimes(start, ende, datum, dauer) : ConvertRecordTimesWithEndDate(start, ende, datum, enddatum, dauer);
                }

                if (dauer == 0 || zeitenFeld[1] != zeitenFeld[0])
                {
                    dauer = (int)(zeitenFeld[1] - zeitenFeld[0]).TotalMinutes;
                }
              
                if (Model.NewServiceRecord == null)
                {
                    return RedirectToActionPermanent("Main");
                }

                Model.NewServiceRecord.Goals = Model.SelectedGoals;
                Model.NewServiceRecord.Start = zeitenFeld[0];
                Model.NewServiceRecord.End = zeitenFeld[1];

                if (Model.Employee.EmployeeOid != null)
                {
                    Model.NewServiceRecord.Employee = Model.SelectedEmployee ?? MobileSessionFacade.LoggedInCompactEmployee;
                    
                    var sc = Model.SupportConcepts.FirstOrDefault(fod => fod.CostBearerRelations.Any(a => a.CostBearer2SupportConceptOid.HasValue &&
                                                                                                          a.CostBearer2SupportConceptOid.Value.Equals(selectedCostbearerSCRelOid)));
                    if (sc != null)
                    {
                        if (sc.SupportConceptOid != null)
                        {
                            Model.NewServiceRecord.SupportConcept = CustomerService.LoadCompactSupportConceptDC(sc.SupportConceptOid.Value, Model.Employee.EmployeeOid);
                        }

                        Model.NewServiceRecord.Customer = sc.Customer;
                        var cb2ScRel = sc.CostBearerRelations.First(f => f.CostBearer2SupportConceptOid.HasValue && f.CostBearer2SupportConceptOid.Equals(selectedCostbearerSCRelOid));
                        Model.NewServiceRecord.CostBearer = cb2ScRel.CostBearer;
                        var intervall = Model.NewServiceRecord.CostBearer.ActualMinuteIntervall;

                        if (intervall > 0)
                        {
                            Model.NewServiceRecord.RoundedDuration = dauer % intervall != 0 ? dauer + (intervall - dauer % intervall) : dauer;
                        }
                        else
                        {
                            Model.NewServiceRecord.RoundedDuration = dauer;
                        }

                        Model.NewServiceRecord.CostBearer2SupportConceptOid = selectedCostbearerSCRelOid;
                    }
                    else
                    {
                        Model.NewServiceRecord.RoundedDuration = dauer;
                    }
                }

                Model.NewServiceRecord.Notice = doku;

                if (doku2 != "")
                {
                    Model.NewServiceRecord.Notice2 = doku2;
                }
                if (doku3 != "")
                {
                    Model.NewServiceRecord.Notice3 = doku3;
                }
                if (doku4 != "")
                {
                    Model.NewServiceRecord.Notice4 = doku4;
                }
                if (doku5 != "")
                {
                    Model.NewServiceRecord.Notice5 = doku5;
                }

                var serviceDescOid = 0L;

                if (Model.SelectedServiceDescriptionOid.HasValue)
                {
                    serviceDescOid = Model.SelectedServiceDescriptionOid.Value;
                }
                else if (!string.IsNullOrEmpty(Leistungen))
                {
                    serviceDescOid = Convert.ToInt64(Leistungen);
                }

                if (serviceDescOid > 0)
                {
                    Model.NewServiceRecord.ServiceDescription = OperationsService.GetServiceDescription(serviceDescOid);
                }

                Model.NewServiceRecord.IP = Request.UserHostAddress;
                Model.NewServiceRecord.InsertedOn = DateTime.Now;
                Model.NewServiceRecord.InsUser = $"{MobileSessionFacade.LoggedInEmployee.FirstName} {MobileSessionFacade.LoggedInEmployee.LastName}";
                Model.NewServiceRecord.IsCreatedInMobileClient = true;

                OperationsService.InsertNewServiceRecords(new List<ServiceRecordDC> { Model.NewServiceRecord });

                Model.NewServiceRecord = new ServiceRecordDC();

                if (selectedCostbearerSCRelOid.HasValue)
                {
                    Model.ServiceRecords = OperationsService.FindServiceRecordsForLastDays(selectedCostbearerSCRelOid, Model.Zeitraum, Model.Employee.EmployeeOid).ToList();
                }

            }
            catch (Exception e)
            {
				log.Error(e.Message, e);
                Model.ErrorWert = 2;
                //log.Error(e.Message, e);
            }

            return RedirectToActionPermanent("Main");
        }

        [HttpPost]
        [Authorize]
        public ActionResult SelectSupportConcept(FormCollection formCollection)
        {
            if (Model == null)
            {
                return RedirectToActionPermanent("Index", "Login");
            }

		    long? cb2scOid = Convert.ToInt64(formCollection["CostBearer2SupportConceptOid"]);

		    Model.CostBearer2SupportConceptOid = cb2scOid;
		    Model.SelectedSupportConcept =
			    Model.SupportConcepts.FirstOrDefault(
				    f =>
					    f.CostBearerRelations.Any(
						    a => 
							    a.CostBearer2SupportConceptOid.HasValue &&
							    a.CostBearer2SupportConceptOid.Value.Equals(Model.CostBearer2SupportConceptOid)));

		    if (Model.SelectedSupportConcept != null)
		    {
			    var details =
				    OperationsService.GetSupportConceptTreeNodeDetailInfo(Model.SelectedSupportConcept.Customer.CustomerOid,
					    Model.SelectedSupportConcept.SupportConceptOid, Model.CostBearer2SupportConceptOid);
			    Model.ServiceCategories = details.ServiceAccountings.Count > 0
				    ? CreateServiceCategoryModels(details.ServiceAccountings.Select(sa => sa.ServiceDescription).ToList()) //if
				    : CreateServiceCategoryModels(OperationsService.GetAllServiceDescriptions());                          //else

                Model.ServiceCategories = Model.ServiceCategories.Where(c => !c.OhneHilfeplan.HasValue || c.OhneHilfeplan.Value == AccountingvisibilityType.Beides || c.OhneHilfeplan.Value == AccountingvisibilityType.NurKlientenbezogen).ToList();                 
		    }
		    else if (cb2scOid == -2)
		    {      
			    Model.ServiceCategories = CreateServiceCategoryModels(OperationsService.GetAllServiceDescriptions());
                Model.ServiceCategories = Model.ServiceCategories.Where(c => !c.OhneHilfeplan.HasValue || c.OhneHilfeplan.Value == AccountingvisibilityType.Beides || c.OhneHilfeplan.Value == AccountingvisibilityType.NichtKlientenbezogen).ToList();
		    }
		    else if (cb2scOid == -1)
		    {
			    Model.ServiceCategories.Clear();
		    }

			Model.Zeitraum = 7;
            LoadRecordsToModel();

			return RedirectToActionPermanent("Main");
	    }

	    private static List<ServiceCategoryModel> CreateServiceCategoryModels(IEnumerable<ServiceDescriptionDC> serviceDescriptions)
	    {
		    var catOid2ModelDict = new Dictionary<long, ServiceCategoryModel>();
		    foreach (var sd in serviceDescriptions)
		    {
			    if (!catOid2ModelDict.ContainsKey(sd.Category.ServiceCategoryOid.Value))
			    {
				    catOid2ModelDict[sd.Category.ServiceCategoryOid.Value] = new ServiceCategoryModel()
				    {
					    Name = sd.Category.Name,
						IsDefault = sd.Category.IsDefault,
					    Percentage = sd.Category.Percentage,
					    Position = sd.Category.Position,
                        OhneHilfeplan = sd.Category.OhneHilfeplan,
					    ServiceCategoryOid = sd.Category.ServiceCategoryOid,
					    ServiceDescriptions = new List<ServiceDescriptionDC>()
				    };
			    }
				catOid2ModelDict[sd.Category.ServiceCategoryOid.Value].ServiceDescriptions.Add(sd);
		    }

			var list = catOid2ModelDict.Values.ToList();

		    list.Sort((s1, s2) =>
		    {
			    if (s1.IsDefault)
			    {
			        return 1;
			    }

			    return s1.Position != s2.Position ? s1.Position.CompareTo(s2.Position) : s1.ServiceCategoryOid.Value.CompareTo(s2.ServiceCategoryOid.Value);
		    });

		    return list;
	    }
		
        [HttpPost]
        [Authorize]
        public ActionResult DeleteServiceRecord()
        {
            if (Model == null)
            {
                return RedirectToActionPermanent("Index", "Login");
            }

            if (Model.ServiceRecordOidToDelete != null && Model.ServiceRecordOidToDelete > 0 && MobileSessionFacade.LoggedInUser.UserGroups.Any(a => a.Rights.Any(f => f.RightType.Equals(UserRightType.ServiceRecordView_Delete))))
            {
                var serviceRecordDC = Model.ServiceRecords.FirstOrDefault(f => f.ServiceRecordOid != null && f.ServiceRecordOid.Value.Equals(Model.ServiceRecordOidToDelete));
                var version = serviceRecordDC?.ServiceRecordVersion;

                if (version != null)
                {
                    OperationsService.DeleteServiceRecord(Model.ServiceRecordOidToDelete.Value, version.Value);

                    Model.ServiceRecords = Model.ServiceRecords.Where(sr => sr.ServiceRecordOid != null && !sr.ServiceRecordOid.Value.Equals(serviceRecordDC.ServiceRecordOid)).ToList();
                }
            }

            return RedirectToActionPermanent("Main", Model);
        }

        public void SetRecordOidToDelete(long serviceRecordOid)
        {
            if (Model == null)
            {
                RedirectToActionPermanent("Index", "Login");
                return;
            }

            Model.ServiceRecordOidToDelete = serviceRecordOid;
        }

        public void UpdateGoals(long pGoalOid)
        {
            if (Model == null)
            {
                RedirectToActionPermanent("Index", "Login");
                return;
            }

            var sc = Model.SelectedSupportConcept;
            if (sc == null)
            {
                return;
            }

            var goal = sc.Goals.FirstOrDefault(first => first.ValueListEntryOid.HasValue && first.ValueListEntryOid.Value.Equals(pGoalOid));

            if (Model.SelectedGoals == null)
            {
                Model.SelectedGoals = new List<ValueListEntryDC> { goal };
                return;
            }

            if (Model.SelectedGoals.Contains(goal))
            {
                Model.SelectedGoals.Remove(goal);
            }
            else
            {
                Model.SelectedGoals.Add(goal);
            }
        }

        public class GoalTreeItem
        {
            public string Header { get; set; }
            public bool IsLeaf { get; set; }
            public List<GoalTreeItem> Children { get; set; }
            public long? ParentOid { get; set; }
            public long? ValueListEntryOid { get; set; }
        }

        public void SetServiceDescription(long pServiceDescriptionOid)
        {
            if (Model == null)
            {
                RedirectToActionPermanent("Index", "Login");
                return;
            }

            Model.SelectedServiceDescriptionOid = pServiceDescriptionOid;
        }

        [HttpPost]
        [Authorize]
        public ActionResult LoadServiceRecords(FormCollection formCollection)
        {
            if (Model == null)
            {
                return RedirectToActionPermanent("Index", "Login");
            }

            var zeitraum = int.Parse(formCollection["Records"]);
            if (zeitraum < 0)
            {
                zeitraum = 7;
            }

            Model.Zeitraum = zeitraum;

            LoadRecordsToModel();

            return RedirectToActionPermanent("Main");
        }

        private void LoadRecordsToModel()
        {
            if(Model.Zeitraum < 0 || Model.CostBearer2SupportConceptOid.HasValue && Model.CostBearer2SupportConceptOid.Value == -1)
            {
                Model.ServiceRecords = new List<ServiceRecordDC>();
                return;
            }

            var records = OperationsService.FindServiceRecordsForLastDays(Model.CostBearer2SupportConceptOid < 1 ? null : Model.CostBearer2SupportConceptOid, Model.Zeitraum, Model.Employee.EmployeeOid);
            var recordsOhneDuplikate = new List<ServiceRecordDC>();

            foreach(var r in records.Where(r => !recordsOhneDuplikate.Any(a => a.GroupOid.HasValue && a.GroupOid.Value.Equals(r.GroupOid))))
            {
                recordsOhneDuplikate.Add(r);
            }

            Model.ServiceRecords = recordsOhneDuplikate;
        }

        public void SetSelectedServiceRecord(long? recordOid)
        {
            if (Model == null)
            {
                RedirectToActionPermanent("Index", "Login");
                return;
            }

            Model.SelectedServiceRecordOid = recordOid;

            if (recordOid == null)
            {
                Model.SelectedGoals = new List<ValueListEntryDC>();
            }
            else
            {
                var serviceRecordDC = Model.ServiceRecords.FirstOrDefault(f => f.ServiceRecordOid.HasValue && f.ServiceRecordOid.Value.Equals(Model.SelectedServiceRecordOid));
                if (serviceRecordDC != null)
                {
                    Model.SelectedGoals = serviceRecordDC.Goals;
                }
            }
        }

        public string GetSelectedRecordInformation()
        {
            var result = string.Empty;

            if (Model.SelectedServiceRecordOid.HasValue)
            {
                result = SerializeObject(Model.ServiceRecords.First(f => f.ServiceRecordOid == Model.SelectedServiceRecordOid));
            }

            return result;
        }

        public string GetSelectedRecordInformationWithOid(long oid)
        {
            LoadRecordsToModel();

            return SerializeObject(Model.ServiceRecords.First(f => f.ServiceRecordOid == oid));
        }

        private static string SerializeObject(object obj)
        {
            return JsonConvert.SerializeObject(obj, Formatting.Indented, new JsonSerializerSettings { ContractResolver = new ShouldSerializeContractResolver(), ReferenceLoopHandling = ReferenceLoopHandling.Ignore });
        }

        private static DateTime[] ConvertRecordTimes(string start, string ende, DateTime datum, int dauer)
        {
            var result = new DateTime[2];
            var startDate = datum.Date;
            var endDate = datum.Date;


            var dateTemp = ConvertTimeStringToDateTime(start);
            startDate = startDate.AddHours(dateTemp.Hour).AddMinutes(dateTemp.Minute);

            dateTemp = ConvertTimeStringToDateTime(ende);
            endDate = endDate.AddHours(dateTemp.Hour).AddMinutes(dateTemp.Minute);
            
            if (string.IsNullOrEmpty(start) && !string.IsNullOrEmpty(ende))
            {
                startDate = endDate.AddMinutes(-1 * dauer);
            }

            if (string.IsNullOrEmpty(ende) && !string.IsNullOrEmpty(start))
            {
                endDate = startDate.AddMinutes(dauer);
            }

            if (endDate < startDate)
            {
                endDate = startDate;
            }
            
            result[0] = startDate;
            result[1] = endDate;

            return result;
        }

        private static DateTime[] ConvertRecordTimesWithEndDate(string start, string ende, DateTime datum, DateTime enddatum, int dauer)
        {
            var result = new DateTime[2];
            var startDate = datum;
            var endDate = enddatum;

            var h = 0;
            var m = 0;

            if (!string.IsNullOrEmpty(start) && (start.Contains(":") || start.Contains(".") || start.Contains(",")))
            {
                var seperator = ':';

                if (start.Contains("."))
                {
                    seperator = '.';
                }
                else if (start.Contains(","))
                {
                    seperator = ',';
                }

                var hm = start.Split(seperator);

                h = Convert.ToInt32(hm[0]);
                m = Convert.ToInt32(hm[1]);
            }
            else if (!string.IsNullOrEmpty(start))
            {
                m = Convert.ToInt32(start.Substring(start.Length - 2, 2));
                h = Convert.ToInt32(start.Substring(0, start.Length - 2));
            }

            startDate = startDate.AddHours(h);
            startDate = startDate.AddMinutes(m);

            if (!string.IsNullOrEmpty(ende) && (ende.Contains(":") || ende.Contains(".") || ende.Contains(",")))
            {
                var seperator2 = ':';

                if (ende.Contains("."))
                {
                    seperator2 = '.';
                }
                else if (ende.Contains(","))
                {
                    seperator2 = ',';
                }

                var hm = ende.Split(seperator2);

                h = Convert.ToInt32(hm[0]);
                m = Convert.ToInt32(hm[1]);
            }
            else if (!string.IsNullOrEmpty(ende))
            {
                m = Convert.ToInt32(ende.Substring(ende.Length - 2, 2));
                h = Convert.ToInt32(ende.Substring(0, ende.Length - 2));
            }

            endDate = endDate.AddHours(h);
            endDate = endDate.AddMinutes(m);

            if (string.IsNullOrEmpty(start) && !string.IsNullOrEmpty(ende))
            {
                startDate = endDate.AddMinutes(-1 * dauer);
            }

            if (string.IsNullOrEmpty(ende) && !string.IsNullOrEmpty(start))
            {
                endDate = startDate.AddMinutes(dauer);
            }

            if (endDate < startDate)
            {
                endDate = startDate;
            }

            if (dauer == 0 || endDate == startDate)
            {
                dauer = (int)(endDate - startDate).TotalMinutes;
            }

            result[0] = startDate;
            result[1] = endDate;

            return result;
        }

        public string CheckRights(string von, string bis, bool inEditMode, string dateString, string startString, string endString)
        {
            if (Model == null)
            {
                return "SessionTimeout";
            }

            log.Info($"CheckRights: von:{von};bis:{bis};inEditMode:{inEditMode};dateString:{dateString};startString:{startString};endString:{endString}");

            var startHoursDt = ConvertTimeStringToDateTime(startString);
            var endHoursDt = ConvertTimeStringToDateTime(endString);

            if (!DateTime.TryParse(dateString, out var date))
            {
                date = DateTime.Now.Date;
            }

            var startDt = date.AddHours(startHoursDt.Hour).AddMinutes(startHoursDt.Minute);
            var endDt = date.AddHours(endHoursDt.Hour).AddMinutes(endHoursDt.Minute);

            if (startDt > endDt)
            {
                return "StartGreaterEnd";
            }
            var dauer = (int)(endDt - startDt).TotalMinutes;

            if (dauer == 0)
            {
                startDt = startDt.AddSeconds(1);
                endDt = endDt.AddSeconds(1);
            }

            var checkSR = new ServiceRecordDC();
            if (inEditMode)
            {
                checkSR = Model.ServiceRecords.FirstOrDefault(f => f.ServiceRecordOid.HasValue && f.ServiceRecordOid.Value.Equals(Model.SelectedServiceRecordOid));
            }

            if (checkSR == null)
            {
                checkSR = new ServiceRecordDC();
            }

            checkSR.Goals = Model.SelectedGoals;

            checkSR.Start = startDt;
            checkSR.End = endDt;

            if (Model.Employee.EmployeeOid != null)
            {
                checkSR.Employee = MobileSessionFacade.LoggedInCompactEmployee;
           
                var sc = Model.SupportConcepts.FirstOrDefault(fod => fod.CostBearerRelations.Any(a => a.CostBearer2SupportConceptOid.HasValue && a.CostBearer2SupportConceptOid.Value.Equals(Model.CostBearer2SupportConceptOid)));

                if (sc != null)
                {
                    if (sc.SupportConceptOid != null)
                    {
                        checkSR.SupportConcept = CustomerService.LoadCompactSupportConceptDC(sc.SupportConceptOid.Value, Model.Employee.EmployeeOid);
                    }

                    checkSR.Customer = sc.Customer;
                    var cb2ScRel = sc.CostBearerRelations.First(f => f.CostBearer2SupportConceptOid.HasValue && f.CostBearer2SupportConceptOid.Equals(Model.CostBearer2SupportConceptOid));
                    checkSR.CostBearer = cb2ScRel.CostBearer;
                    var intervall = checkSR.CostBearer.ActualMinuteIntervall;

                    if (intervall > 0)
                    {
                        checkSR.RoundedDuration = dauer % intervall != 0 ? dauer + (intervall - (dauer % intervall)) : dauer;
                    }

                    checkSR.CostBearer2SupportConceptOid = Model.CostBearer2SupportConceptOid;
                }
            }

            checkSR.IP = Request.UserHostAddress;
            checkSR.InsertedOn = DateTime.Now;
            checkSR.InsUser = $"{MobileSessionFacade.LoggedInEmployee.FirstName} {MobileSessionFacade.LoggedInEmployee.LastName}";

            checkSR.ServiceDescription = OperationsService.GetServiceDescription(Model.SelectedServiceDescriptionOid.Value);

            var man = OperationsService.GetMandator();
            var s = man.Settings ?? string.Empty;
            var einzeln = s.Split(';');
            var g = einzeln.ToList().FirstOrDefault(f => f.Contains("MaxDaysEditServiceRecordsAllowed"));
            var t = g != null ? int.Parse(g.Split('=')[1]) : 0;

            SupportConceptStatisticsDC stats = null;

            if (Model.CostBearer2SupportConceptOid != null && Model.CostBearer2SupportConceptOid > 0)
            {
                stats = OperationsService.CreateSupportConceptStatistics(Model.CostBearer2SupportConceptOid.Value, DateTime.Now);
            }

            var result = OperationsService.ValidateServiceRecordEntry(checkSR, stats, t, false, new List<long> { checkSR.Employee.EmployeeOid });
            var valStruct = new ValidationStruct
            {
                ValidationResults = result,
                Rights = new Dictionary<int, bool>(),
                MaxDaysEditServiceRecordsAllowed = t.ToString()
            };

            valStruct.Rights.Add(0, MobileSessionFacade.LoggedInUser.UserGroups.Any(a => a.Rights.Any(f => f.RightType.Equals(UserRightType.ServiceRecord_AllowCreateOverlappingFLS))));
            valStruct.Rights.Add(1, MobileSessionFacade.LoggedInUser.UserGroups.Any(a => a.Rights.Any(f => f.RightType.Equals(UserRightType.ServiceRecord_AllowCreateMoreFLSThanApproved))));
            valStruct.Rights.Add(2, MobileSessionFacade.LoggedInUser.UserGroups.Any(a => a.Rights.Any(f => f.RightType.Equals(UserRightType.BookServiceRecordAfterSettlementInvoice))));

            Model.NewServiceRecord = new ServiceRecordDC();

            return SerializeObject(valStruct);
        }

        public bool CheckRightsAfterCrash(string von, string bis, bool inEditMode, string dateString, string startString, string endString, long costbearerOId, string leistung)
        {
            if (Model == null)
            {
                return false;
            }

			log.Info($"CheckRightsAfterCrash: von:{von};bis:{bis};inEditMode:{inEditMode};dateString:{dateString};startString:{startString};endString:{endString}");

            var date = DateTime.Now.Date;

            var startHoursDt = ConvertTimeStringToDateTime(startString);
            var endHoursDt = ConvertTimeStringToDateTime(endString);

            if (!DateTime.TryParse(dateString, out date))
            {
                date = DateTime.Now.Date;
            }

            var startDt = date.AddHours(startHoursDt.Hour).AddMinutes(startHoursDt.Minute);
            var endDt = date.AddHours(endHoursDt.Hour).AddMinutes(endHoursDt.Minute);

            if (startDt > endDt)
            {
                Model.ErrorWert = 5;
                return false;
            }

            var dauer = (int)(endDt - startDt).TotalMinutes;

            if (dauer == 0)
            {
                startDt = startDt.AddSeconds(1);
                endDt = endDt.AddSeconds(1);
            }

            var checkSR = new ServiceRecordDC
            {
                Goals = Model.SelectedGoals,
                Start = startDt,
                End = endDt
            };

            if (Model.Employee.EmployeeOid != null)
            {
                checkSR.Employee = MobileSessionFacade.LoggedInCompactEmployee;

                _Model.CostBearer2SupportConceptOid = costbearerOId;

                var sc = Model.SupportConcepts.FirstOrDefault(fod => fod.CostBearerRelations.Any(a => a.CostBearer2SupportConceptOid.HasValue && a.CostBearer2SupportConceptOid.Value.Equals(Model.CostBearer2SupportConceptOid)));

                if (sc != null)
                {
                    if (sc.SupportConceptOid != null)
                    {
                        checkSR.SupportConcept = CustomerService.LoadCompactSupportConceptDC(sc.SupportConceptOid.Value, Model.Employee.EmployeeOid);
                    }

                    checkSR.Customer = sc.Customer;
                    var cb2ScRel = sc.CostBearerRelations.First(f => f.CostBearer2SupportConceptOid.HasValue && f.CostBearer2SupportConceptOid.Equals(Model.CostBearer2SupportConceptOid));
                    checkSR.CostBearer = cb2ScRel.CostBearer;
                    var intervall = checkSR.CostBearer.ActualMinuteIntervall;

                    if (intervall > 0)
                    {
                        checkSR.RoundedDuration = dauer % intervall != 0 ? dauer + (intervall - (dauer % intervall)) : dauer;
                    }

                    checkSR.CostBearer2SupportConceptOid = Model.CostBearer2SupportConceptOid;
                }
            }

            checkSR.IP = Request.UserHostAddress;
            checkSR.InsertedOn = DateTime.Now;
            checkSR.InsUser = $"{MobileSessionFacade.LoggedInEmployee.FirstName} {MobileSessionFacade.LoggedInEmployee.LastName}";

            if (leistung != null || leistung == "")
            {
                Model.SelectedServiceDescriptionOid = Convert.ToInt64(leistung);
            }
            else
            {
                Model.SelectedServiceDescriptionOid = 6;
            }

            checkSR.ServiceDescription = OperationsService.GetServiceDescription(Model.SelectedServiceDescriptionOid.Value);

            var man = OperationsService.GetMandator();
            var s = man.Settings ?? string.Empty;
            var einzeln = s.Split(';');
            var g = einzeln.ToList().FirstOrDefault(f => f.Contains("MaxDaysEditServiceRecordsAllowed"));
            var t = g != null ? int.Parse(g.Split('=')[1]) : 0;

            SupportConceptStatisticsDC stats = null;

            if (Model.CostBearer2SupportConceptOid != null && Model.CostBearer2SupportConceptOid > 0)
            {
                stats = OperationsService.CreateSupportConceptStatistics(Model.CostBearer2SupportConceptOid.Value, DateTime.Now);
            }

            var result = OperationsService.ValidateServiceRecordEntry(checkSR, stats, t, false, new List<long> { checkSR.Employee.EmployeeOid });

            if (result.Count != 0)
            {
                if (result[0].EndDate.Day <= date.Day && result[0].EndDate.Year <= date.Year && result[0].EndDate.Month <= date.Month ||
                    result[0].EndDate.Day >= date.Day && result[0].EndDate.Year <= date.Year && result[0].EndDate.Month <= date.Month ||
                    result[0].EndDate.Day <= date.Day && result[0].EndDate.Year <= date.Year && result[0].EndDate.Month >= date.Month ||
                    result[0].EndDate.Day >= date.Day && result[0].EndDate.Year <= date.Year && result[0].EndDate.Month >= date.Month)
                {
                    Model.ErrorWert = 4;
                    return false;
                }

                Model.ErrorWert = 3;
                return false;
            }

            Model.ErrorWert = 1;
            return true;
        }

        private static DateTime ConvertTimeStringToDateTime(string timeString)
        {
            var dt = DateTime.Now.Date;

            if (string.IsNullOrEmpty(timeString))
            {
                timeString = "0000";
            }

            var numberString = Regex.Replace(timeString, "[^0-9]", "");

            if (numberString.Length < 3)
            {
                if (numberString.Length < 2)
                {
                    numberString = "0" + numberString;
                }
                while (numberString.Length < 4)
                {
                    numberString = numberString + "0";
                }
            }
            else
            {
                while (numberString.Length < 4)
                {
                    numberString = "0" + numberString;
                }
            }

            if (numberString.Length > 4)
            {
                numberString = numberString.Substring(0, 4);
            }

            var hours = Convert.ToInt32(numberString.Substring(0, 2));
            var minutes = Convert.ToInt32(numberString.Substring(2, 2));

            dt = dt.AddHours(hours);
            dt = dt.AddMinutes(minutes);

            return dt;
        }

        private struct ValidationStruct
        {
            public List<ServiceRecordValidationResultDC> ValidationResults { get; set; }
            public Dictionary<int, bool> Rights { get; set; }
            public string MaxDaysEditServiceRecordsAllowed { get; set; }
        }

        public void SetViewMode()
        {
            if (Model == null)
            {
                RedirectToActionPermanent("Index", "Login");
                return;
            }

            Model.SelectedCustomer = null;
            Model.SelectedCustomerOid = null;
        }

        public string GetSelectedSupportConceptCustomer()
        {
            return Model.SelectedSupportConcept == null ? "NoSupportConceptSelected" : SerializeObject(Model.SelectedSupportConcept.Customer.CustomerOid);
        }

        public string GetSelectedCustomer(long customerOid)
        {
            if (Model == null)
            {
                return "SessionTimeout";
            }

            Model.SelectedCustomer = Model.Customers.FirstOrDefault(f => f.CustomerOid.HasValue && f.CustomerOid.Value.Equals(customerOid));
            Model.SelectedCustomerOid = customerOid;

            return SerializeObject(GetJSONCustomer(Model.SelectedCustomer));
        }

        private static JSONCustomer GetJSONCustomer(CustomerDC pCustomer)
        {
            return new JSONCustomer(pCustomer);
        }

        public void SetServiceRecordEmployee(long employeeOid)
        {
            if (Model == null)
            {
                RedirectToActionPermanent("Index", "Login");
                return;
            }

            Model.SelectedEmployee = MainModel.AllEmployees.First(f => f.EmployeeOid.Equals(employeeOid));
        }

        public string CheckToken(string token)
        {
            if(token != null && token.Equals("abcd"))
            {
                return SerializeObject("localhost;demo");
            }

            return null;
        }
    }

    internal class JSONCustomer
    {
        public string Vorname { get; set; }
        public string Nachname { get; set; }
        public string Geburtstag { get; set; }
        public string Geschlecht { get; set; }

        public string Adresszusatz { get; set; }
        public string Strasse { get; set; }
        public string Postleitzahl { get; set; }
        public string Ort { get; set; }

        public string RechnungsadresseName { get; set; }
        public string RechnungsadresseStrasse { get; set; }
        public string RechnungsadressePostleitzahl { get; set; }
        public string RechnungsadresseOrt { get; set; }

        public string EMail { get; set; }
        public string Fax { get; set; }
        public string Telefon { get; set; }
        public string Handy { get; set; }

        public List<Umfeldsperson> Umfeldpersonen { get; set; }

        public JSONCustomer(CustomerDC init)
        {
            Vorname = init.FirstName;
            Nachname = init.LastName;
            Geburtstag = init.DateOfBirth?.ToShortDateString() ?? String.Empty;
            Geschlecht = init.Sex == Sex.Male ? "Männlich" : "Weiblich";

            Adresszusatz = init.AddressLine1;
            Strasse = init.Street;
            Postleitzahl = init.PostalCode;
            Ort = init.Town;

            RechnungsadresseName = init.InvoiceAddressLine1;
            RechnungsadresseStrasse = init.InvoiceAddressStreet;
            RechnungsadressePostleitzahl = init.InvoiceAddressPostalCode;
            RechnungsadresseOrt = init.InvoiceAddressTown;

            foreach (var iContactDC in init.ContactInformations)
            {
                switch(iContactDC.ContactType)
                {
                    case ContactType.business_Mail:
                        EMail = iContactDC.ContactValue;
                        break;
                    case ContactType.business_Fax:
                        Fax = iContactDC.ContactValue;
                        break;
                    case ContactType.business_Phone:
                        Telefon = iContactDC.ContactValue;
                        break;
                    case ContactType.business_MobilePhone:
                        Handy = iContactDC.ContactValue;
                        break;
                }
            }

            Umfeldpersonen = new List<Umfeldsperson>();

            foreach (var rel in init.EnvironmentPersons)
            {
                Umfeldpersonen.Add(new Umfeldsperson(rel));
            }
        }
    }

    internal class Umfeldsperson
    {
        public string Vorname { get; set; }
        public string Nachname { get; set; }
        public string StrNameNr { get; set; }
        public string PLZOrt { get; set; }
        public string TelNr { get; set; }
        public string Mobil { get; set; }
        public string EMail { get; set; }
        public string Fax { get; set; }
        public string Rolle { get; set; }
        public string Titel { get; set; }

        public Umfeldsperson(CustomerPersonRelationDC umfeldspersonDC)
        {
            var person = umfeldspersonDC.Person;

            Rolle = person.Function;
            Vorname = person.FirstName;
            Nachname = person.LastName;
            StrNameNr = person.Street;
            PLZOrt = $"{person.PostalCode} {person.Town}";
            TelNr = person.Communication1;
            Mobil = person.Communication2;
            EMail = person.Communication3;
            Fax = person.Communication4;
            Titel = person.Title;
        }
    }

    internal class TextbausteinDisplayItem
    {
        public string Name { get; set; }
        public long Oid { get; set; }
        public long? ParentOid { get; set; }
        public bool IsParent { get; set; }
        public string Text { get; set; }
        public List<TextbausteinDisplayItem> Children { get; set; }

        public TextbausteinDisplayItem(long pOid, string pName, long? pParentOid, bool pIsParent, string pText)
        {
            Oid = pOid;
            Name = pName;
            ParentOid = pParentOid;
            IsParent = pIsParent;
            Text = pText;

            Children = new List<TextbausteinDisplayItem>();
        }
    }
}