using BeWo.View.Navigation.Filter;
using BeWoPlanerMobil.Controllers;
using BeWoPlanerMobil.Util;
using BS.Shared;
using BS.Shared.DataContracts;
using BS.Shared.DataContracts.Compact;
using BS.Shared.Extensions;
using BS.Shared.Settings;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Diagnostics;
using System.Linq;
using System.Web.Mvc;

namespace BeWoPlanerMobil.Models
{
	public class MainModel : AbstractModel, ISignable
    {
        protected static readonly log4net.ILog Log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);

        public MainModel()
        {
            SessionModel = new MainSessionModel();
            SessionModel.ResetValues();

            NewServiceRecord = new ServiceRecordDC();
            ShowOnlyOwnSupportConcepts = true;
            ErrorWert = 1;
        }
        
        public MainSessionModel MainSessionModel => SessionModel as MainSessionModel;

        public bool SessionInitialized
        {
            get => MainSessionModel.SessionInitialized;
            set => MainSessionModel.SessionInitialized = value;
        }

        [Display(Name = "Nur meine Klienten anzeigen")]
        public bool ShowOnlyOwnSupportConcepts
        {
            get => MainSessionModel.ShowOnlyOwnSupportConcepts;
            set => MainSessionModel.ShowOnlyOwnSupportConcepts = value;
        }

        [Display(Name = "Nur Klienten meiner Teams anzeigen")]
        public bool ShowOnlyMyTeamsSupportConcepts
        {
            get => MainSessionModel.ShowOnlyMyTeamsSupportConcepts;
            set => MainSessionModel.ShowOnlyMyTeamsSupportConcepts = value;
        }

        public CustomerFilterEnum SelectedSupportConceptFilter
        {
            get => MainSessionModel.SelectedSupportConceptFilter;
            set => MainSessionModel.SelectedSupportConceptFilter = value;
        }

        public long? TransferringAppointmentOid
        {
            get => MainSessionModel.TransferringAppointmentOid;

            set
            {
                var callingMethodName = new StackTrace().GetFrame(1).GetMethod().Name;

                Debug.WriteLine($">>>>{callingMethodName} ändert TransferringAppointment von {MainSessionModel.TransferringAppointmentOid} zu {value}");

                MainSessionModel.TransferringAppointmentOid = value;
            }
        }
        public bool IsInTransferMode
        {
            get => MainSessionModel.IsInTransferMode;
            set => MainSessionModel.IsInTransferMode = value;
        }

        public List<SelectListItem> SupportConceptFilter
        {
            get
            {
                /*
                 * Hat man das Recht "Hilfepläne ansehen (alle)":
                 *      "Alle Hiflepläne anzeigen" und
                 *      "Nur meine Hilfepläne anzeigen".
                 *
                 * Hat man die Rechte "Hilfepläne ansehen (alle)" und "Hilepläne ansehen (von Teams betreut)":
                 *      "Alle Hiflepläne anzeigen",
                 *      "Nur Hilfepläne meiner Teams anzeigen" und
                 *      "Nur meine Hilfepläne anzeigen".
                 *
                 * Hat man das Recht "Hilepläne ansehen (von Mitarbeiter betreut):
                 *      ENTFÄLLT -> nur die eigenen Hilfepläne
                 *
                 * Hat man die Rechte "Hilfepläne ansehen (von Mitarbeiter betreut)" und "Hilfepläne ansehen (von Teams betreut)":
                 *      "Nur meine Hilfepläne anzeigen"
                 *      "Nur Hilfepläne meiner Teams anzeigen"
                 */

                var result = new List<SelectListItem>();

                var user = LoggedInUser;

                var alle = new CustomerFilterItem(CustomerFilterEnum.All);
                var nurMeine = new CustomerFilterItem(CustomerFilterEnum.MyCustomer);
                var meinesTeams = new CustomerFilterItem(CustomerFilterEnum.TeamCustomer);

                var allSupportConcepts         = alle.CustomerFilterName;
                var mySupportConceptsOnly      = nurMeine.CustomerFilterName;
                var myTeamsSupportConceptsOnly = meinesTeams.CustomerFilterName;

                const string allSupportConceptsValue         = "0";
                const string mySupportConceptsValue          = "1";
                const string myTeamsSupportConceptsOnlyValue = "2";

                if(user != null)
                {
                    if(user.CheckForAtLeastOneRight(new List<UserRightType> { UserRightType.ViewAll, UserRightType.SupportConcept_ViewAllSupportConcepts }))
                    {
                        if(user.HasRight(UserRightType.SupportConcept_ViewMyTeams))
                        {
                            result.Add(new SelectListItem { Text = allSupportConcepts,         Value = allSupportConceptsValue });
                            result.Add(new SelectListItem { Text = myTeamsSupportConceptsOnly, Value = myTeamsSupportConceptsOnlyValue });
                            result.Add(new SelectListItem { Text = mySupportConceptsOnly,      Value = mySupportConceptsValue });
                        }
                        else
                        {
                            result.Add(new SelectListItem { Text = allSupportConcepts,    Value = allSupportConceptsValue });
                            result.Add(new SelectListItem { Text = mySupportConceptsOnly, Value = mySupportConceptsValue });
                        }
                    }
                    else if(user.HasRight(UserRightType.SupportConcept_ViewMyTeams))
                    {
                        result.Add(new SelectListItem { Text = myTeamsSupportConceptsOnly,  Value = myTeamsSupportConceptsOnlyValue });
                        result.Add(new SelectListItem { Text = mySupportConceptsOnly,       Value = mySupportConceptsValue });
                    }
                }

                return result;
            }
        }

        [Display(Name = "Abgelaufene Hilfepläne anzeigen")]
        public bool ShowExpiredSupportConcepts
        {
            get => MainSessionModel.ShowExpiredSupportConcepts;
            set => MainSessionModel.ShowExpiredSupportConcepts = value;
        }
        
        [Display(Name = "Hilfeplan")]
        public long? SelectedCostBearerSupportConceptOid
        {
            get => MainSessionModel.SelectedCostBearerSupportConceptOid;
            set => MainSessionModel.SelectedCostBearerSupportConceptOid = value;
        }
        
        public long? SelectedServiceCategoryOid
        {
            get => MainSessionModel.SelectedServiceCategoryOid;
            set => MainSessionModel.SelectedServiceCategoryOid = value;
        }

        public long? SelectedServiceDescriptionOid { get => MainSessionModel.SelectedServiceDescriptionOid;
            set => MainSessionModel.SelectedServiceDescriptionOid = value;
        }

        
        public bool IsAllowedToDeleteServiceRecord(ServiceRecordDC serviceRecord)
        {
            var allowed = false;

            if(LoggedInUser.HasRight(UserRightType.ServiceRecordView_Delete))
            {
                allowed = true;
            }
            else if(LoggedInUser.HasRight(UserRightType.ServiceRecord_AllowChangeWithin24Hours))
            {
                if(serviceRecord.InsertedOn.HasValue)
                {
                    if(DateTime.Now < serviceRecord.InsertedOn.Value.AddDays(ApplicationSettings.ServiceRecordAllowChangeHours))
                    {
                        allowed = true;
                    }
                }
            }

            if(allowed && ApplicationSettings.MaxDaysEditServiceRecordsAllowed > 0)
            {
                if(!LoggedInUser.HasRight(UserRightType.ServiceRecord_AllowEditAfterMaxDaysInNextMonth))
                {
                    if(serviceRecord.Start.HasValue)
                    {
                        var dateTime = new DateTime(serviceRecord.Start.Value.Year, serviceRecord.Start.Value.Month, 1);
                        dateTime = dateTime.AddMonths(1);
                        dateTime = dateTime.AddDays(ApplicationSettings.MaxDaysEditServiceRecordsAllowed);

                        if(DateTime.Now >= dateTime)
                        {
                            allowed = false;
                        }
                    }
                }
            }

            if (allowed && ApplicationSettings.AnzTageZeiterfassErfolgt > 0)
            {
                if (!LoggedInUser.HasRight(UserRightType.ServiceRecordAllowEditAfterMindays))
                {
                    if (serviceRecord.Start != null)
                    {
                        var dt = new DateTime(serviceRecord.Start.Value.Year, serviceRecord.Start.Value.Month, serviceRecord.Start.Value.Day);
                        dt = dt.AddDays(ApplicationSettings.AnzTageZeiterfassErfolgt + 1);
                        if (DateTime.Now >= dt)
                        {
                            allowed = false;
                        }
                    }
                }
            }

            if(allowed && !LoggedInUser.HasRight(UserRightType.ServiceRecord_AllowEditForOtherEmployees))
            {
                if(LoggedInUser.Employee.EmployeeOid != serviceRecord.Employee.EmployeeOid)
                {
                    allowed = false;
                }
            }

            if(allowed && serviceRecord.GroupOid.HasValue)
            {
                if(!LoggedInUser.HasRight(UserRightType.ServiceRecord_AllowCreatingGroupBooking))
                {
                    allowed = false;
                }
            }

            return allowed;
        }

        public bool IsAllowedToCreateSignature(ServiceRecordDC serviceRecord)
        {

            if (MokSettings != null && MokSettings.AnzTageUnterschriftErfolgt > 0)
            {
                if (DateTime.Now.Date.Subtract(serviceRecord.Start.Value.Date).TotalDays > MokSettings.AnzTageUnterschriftErfolgt)
                {
                    return false;
                }
            }
            
            return true;
        }


        public long? SelectedServiceRecordOid
        {
            get => MainSessionModel.SelectedServiceRecordOid;
            set => MainSessionModel.SelectedServiceRecordOid = value;
        }

        public ServiceRecordDC SelectedServiceRecord { get; set; }

        public long? SelectedSupportConceptOid
        {
            get => MainSessionModel.SelectedSupportConceptOid;
            set => MainSessionModel.SelectedSupportConceptOid = value;
        }

        public CompactSupportConceptDC SelectedSupportConcept { get; set; }

        public MokSupportConceptListObject SelectedSupportConceptListObject { get; set; }


        public int Zeitraum { get; set; }

        public int ErrorWert { get; set; }

        public bool ShowSignature { get; set; }

        public long LastCreatedServiceRecordOid
        {
            get => MainSessionModel.LastCreatedServiceRecordOid;
            set => MainSessionModel.LastCreatedServiceRecordOid = value;
        }

        public List<long> SupportConceptOids
        {
            get => MainSessionModel.SupportConceptOids;
            set => MainSessionModel.SupportConceptOids = value;
        }

        public List<CompactSupportConceptDC> SupportConcepts { get; set; }

        public List<TextModuleDC> Textbausteine { get; set; } = new List<TextModuleDC>();

        public List<TextbausteinDisplayItem> TextModules { get; set; } = new List<TextbausteinDisplayItem>();

		private List<ServiceRecordDC> _ServiceRecords;

		public List<ServiceRecordDC> ServiceRecords
		{
			get
			{
				if(_ServiceRecords is null)
				{
				    return _ServiceRecords = new List<ServiceRecordDC>();
				}

				return _ServiceRecords.OrderByDescending(sr => sr.Start).ToList();
			}

			set => _ServiceRecords = value;
		}

        public List<long> SelectedGoalOids
        {
            get => MainSessionModel.SelectedGoalOids;
            set => MainSessionModel.SelectedGoalOids = value;
        }
        
        
        public IList<MokZiel> SelectedGoals
        {
            get => MainSessionModel.SelectedGoals;
            set => MainSessionModel.SelectedGoals = value;
        }

        private string GetRatingName(ValueListEntryDC ratedValueListEntry)
        {
            var rating = GoalRatingTypes.FirstOrDefault(f => f.RatingTypeOid.HasValue && f.RatingTypeOid.Value.Equals(ratedValueListEntry.RatingTypeOid));

            return rating?.DisplayName ?? "NULL";
        }

        public ServiceRecordDC NewServiceRecord { get; set; }

		public long? ServiceRecordOidToDelete { get; set; }


        public IList<MokSupportConceptListObject> SupportConceptListObjects
        {
            get => MainSessionModel.SupportConceptListObjects;
            set => MainSessionModel.SupportConceptListObjects = value;
        }

        public IList<MokSupportConceptListObject> SupportConceptListObjectsForGroupBooking { get; set; }


        public IEnumerable<SelectListItem> GroupOfPeopleListItems
	    {
	        get
	        {
	            return GroupsOfPeople.Select(group => new SelectListItem {Value = $"{group.GroupOfPeopleOid.Value}", Text = group.Name}).ToList();
	        }
	    }

        public List<CompactEmployeeDC> EmployeesForGroupAndMultiBooking { get; set; }

		public List<CompactEmployeeDC> AllEmployees { get; set; }

		[Display(Name = "Mitarbeiter")]
		public long? SelectedEmployeeOid
        { 
            get => MainSessionModel.SelectedEmployeeOid;
            set => MainSessionModel.SelectedEmployeeOid = value;
        }

        public CompactEmployeeDC SelectedEmployee { get; set; }

	    public List<GroupOfPeopleDC> GroupsOfPeople { get; set; } = new List<GroupOfPeopleDC>();

        public List<long> GroupBookingSelectedGroupOfPeopleOids
        {
            get => MainSessionModel.GroupBookingSelectedGroupOfPeopleOids;
            set => MainSessionModel.GroupBookingSelectedGroupOfPeopleOids = value;
        }

        public IEnumerable<SelectListItem> EmployeeListItems
		{
			get
			{
				var result = new List<SelectListItem>();
				result.AddRange(Employees.Select(item => new SelectListItem {Value = item.EmployeeOid.ToString(), Text = $"{item.LastName}, {item.FirstName}", Selected = item.Equals(LoggedInUser.Employee)}).OrderBy(s => s.Text).ToList());
				
				return result;
			}
		}

        public ValueListEntryDC[] Dokutypes { get; set; }

        public int NumberOfDokuTypes => Dokutypes?.Length ?? 0;


        //public List<long> GroupBookingSelectedSupportConceptOids { get { return MainSessionModel.GroupBookingSelectedSupportConceptOids; } set { MainSessionModel.GroupBookingSelectedSupportConceptOids = value; } }
        //public List<CompactSupportConceptDC> GroupBookingSelectedSupportConcepts { get; set; } = new List<CompactSupportConceptDC>();

	    public List<long> GroupBookingSelectedCostBearerSupportConceptOids
        {
            get => MainSessionModel.GroupBookingSelectedCostBearerSupportConceptOids;
            set => MainSessionModel.GroupBookingSelectedCostBearerSupportConceptOids = value;
        }

        public List<SupportConceptCostBearerRelDC> GroupBookingSelectedCostBearerSupportConcepts { get; set; } = new List<SupportConceptCostBearerRelDC>();

        public GroupBookingSelectionObject GroupBookingSelectionObject => new GroupBookingSelectionObject(GroupBookingSelectedCostBearerSupportConcepts, GroupBookingSelectedGroupOfPeopleOids);

        public List<long> GroupBookingSelectedEmployeeOids
        { 
            get => MainSessionModel.GroupBookingSelectedEmployeeOids;
            set => MainSessionModel.GroupBookingSelectedEmployeeOids = value;
        }

        public List<CompactEmployeeDC> GroupBookingSelectedEmployees { get; set; } = new List<CompactEmployeeDC>();

	    [Display(Name = "Gruppenbuchung")]
	    public bool IsInGroupBookingMode
	    {
            get => MainSessionModel.IsInGroupBookingMode;

            set
	        {
                MainSessionModel.IsInGroupBookingMode = value;
	            
	            if(!MainSessionModel.IsInGroupBookingMode)
	            {
	                GroupBookingSelectedCostBearerSupportConceptOids?.Clear();
                    GroupBookingSelectedCostBearerSupportConcepts.Clear();
                    GroupBookingSelectedEmployeeOids.Clear();
	                GroupBookingSelectedEmployees?.Clear();
                    GroupBookingSelectedGroupOfPeopleOids.Clear();
                    //GroupBookingSelectedSupportConcept?.Clear();
                }
            }
	    }


        public bool IsInEditingMode
        {
            get => MainSessionModel.IsInEditingMode;
            set => MainSessionModel.IsInEditingMode = value;
        }

        public List<ServiceDescriptionDC> GetServiceDesctiptions()
	    {
	        var result = new List<ServiceDescriptionDC>();

            foreach(var category2Descriptions in Categories2Descriptions)
            {
                result.AddRangeIfElementsNotIn(category2Descriptions.Value);
            }
            
	        return result;
	    }

	    public bool IsServiceRecordNoticeMandatory { get; set; } = true;

        public long? PreviouslySelectedEmployeeOid
        {
            get => MainSessionModel.PreviouslySelectedEmployeeOid;
            set => MainSessionModel.PreviouslySelectedEmployeeOid = value;
        }

        public CompactEmployeeDC PreviouslySelectedEmployee { get; set; }

        //public long? PreviouslySelectedSupportConceptOid { get { return MainSessionModel.PreviouslySelectedSupportConceptOid; } set { MainSessionModel.PreviouslySelectedSupportConceptOid = value; } }
        //public SupportConceptDC PreviouslySelectedSupportConcept { get; set; }

        
        public long? PreviouslySelectedCostbearer2SupportConceptOid
        {
            get => MainSessionModel.PreviouslySelectedCostbearer2SupportConceptOid;
            set
            {
                var stackTrace = new StackTrace();
                var callingMethodsName = stackTrace.GetFrame(1).GetMethod().Name;

                var alt = MainSessionModel.PreviouslySelectedCostbearer2SupportConceptOid;

                Log.Info($"PreviouslySelectedCostbearer2SupportConceptOid-Set von {alt} zu {value} von Methode: {callingMethodsName}");

                MainSessionModel.PreviouslySelectedCostbearer2SupportConceptOid = value;
            }
        }
        public bool IsEndDateVisible { get; set; }

        public static string GetServiceRecordTimeHeader(MokServiceRecord serviceRecord, bool isForServiceRecordsList)
        {
            if (serviceRecord?.Start is null || serviceRecord.End is null)
            {
                return string.Empty;
            }

            var start = serviceRecord.Start.Value;
            var end = serviceRecord.End.Value;
            var gruppenInfo = string.Empty;
            var signatureToken = serviceRecord.SignatureOid.HasValue && isForServiceRecordsList ? "✔" : string.Empty;

            if(serviceRecord.GroupOid.HasValue)
            {
                gruppenInfo = $"Gruppe ({serviceRecord.GroupPersonCount} Teilnehmer, {serviceRecord.GroupEmployeeCount} Betreuer) Dauer: {(end - start).TotalMinutes}  {signatureToken}";
            }

            // LJ, 30.01.2026: Wird nicht gerundet!
            return $"{GetServiceRecordTimeString(serviceRecord)} {gruppenInfo} {signatureToken}";
        }

        public static string GetServiceRecordTimeHeader(ServiceRecordDC serviceRecord, bool isForServiceRecordsList)
        {
            if (serviceRecord?.Start is null || serviceRecord.End is null)
            {
                return string.Empty;
            }

            var start = serviceRecord.Start.Value;
            var end = serviceRecord.End.Value;
            var gruppenInfo = string.Empty;
            var dauerInfo = string.Empty;
            var signatureToken = serviceRecord.SignatureOid.HasValue && isForServiceRecordsList ? "✔" : string.Empty;
            // ToDo am 02.02.2026: Die Dauer der Gruppenbuchungen wird nicht korrekt angezeigt!
            var dauer = serviceRecord.RoundedDuration; //serviceRecord.GroupOid.HasValue ? (decimal)(end - start).TotalMinutes : serviceRecord.RoundedDuration; //serviceRecord.GroupOid.HasValue ? (decimal) (end - start).TotalMinutes : MobileUtils.CalculateRoundedDuration(serviceRecord);

            if(serviceRecord.DurationInStunden.HasValue && serviceRecord.DurationInStunden == ZeiterfassungsDauer.Stunden)
            {
                dauer /= 60;
                dauerInfo = $" ({dauer:0.0#} h)";
            }
            else
            {
                dauerInfo = $" ({dauer:0.##} min.)";
            }

            if(serviceRecord.GroupOid.HasValue)
            {
                gruppenInfo = $" Gruppe ({serviceRecord.GroupPersonCount} Teilnehmer, {serviceRecord.GroupEmployeeCount} Betreuer)";
            }

            return $"{GetServiceRecordTimeString(serviceRecord)}{gruppenInfo}{dauerInfo}  {signatureToken}";
        }

        public static string GetServiceRecordTimeString(ServiceRecordDC serviceRecord)
        {
            if(serviceRecord?.Start is null || serviceRecord.End is null)
            {
                return string.Empty;
            }

            var isGroupBooking = serviceRecord.GroupOid.HasValue;

            var start = serviceRecord.Start.Value;
            var end = isGroupBooking ? serviceRecord.End.Value : serviceRecord.Start.Value.AddMinutes((double) serviceRecord.RoundedDuration); //start.AddMinutes((int) serviceRecord.RoundedDuration), AB, 12.03.2025: Änderung vom 12.11.2024 rückgängig; Endzeit bleibt bei Gruppen- und Einzelbuchungen die tatäschliche Zeit - genau wie FAK

            if(start.Second == 0)
            {
                return start.Date != end.Date ?
                    $"{start.ToShortDateString()} {start.ToShortTimeString()} - {end.ToShortDateString()} {end.ToShortTimeString()}" :
                    $"{start.ToShortDateString()} {start.ToShortTimeString()} - {end.ToShortTimeString()}";
            }

            return start.Date != end.Date ?
                $"{start.ToShortDateString()} - {end.ToShortDateString()}" :
                $"{start.ToShortDateString()}";
        }

        public static string GetServiceRecordTimeString(MokServiceRecord serviceRecord)
        {
            if(serviceRecord?.Start is null || serviceRecord.End is null)
            {
                return string.Empty;
            }

            var start = serviceRecord.Start.Value;
            var end = serviceRecord.End.Value; //start.AddMinutes((int) serviceRecord.RoundedDuration), AB, 12.03.2025: Änderung vom 12.11.2024 rückgängig; Endzeit bleibt bei Gruppen- und Einzelbuchungen die tatäschliche Zeit - genau wie FAK

            if(start.Second == 0)
            {
                return start.Date != end.Date ?
                    $"{start.ToShortDateString()} {start.ToShortTimeString()} - {end.ToShortDateString()} {end.ToShortTimeString()}" :
                    $"{start.ToShortDateString()} {start.ToShortTimeString()} - {end.ToShortTimeString()}";
            }

            return start.Date != end.Date ?
                $"{start.ToShortDateString()} - {end.ToShortDateString()}" :
                $"{start.ToShortDateString()}";
        }
        public bool HasRightToEditServiceRecord(ServiceRecordDC serviceRecord)
        {
            var allowed = false;

            if(LoggedInUser.HasRight(UserRightType.ServiceRecordView_Edit))
            {
                allowed = true;
            }
            else if(LoggedInUser.HasRight(UserRightType.ServiceRecord_AllowChangeWithin24Hours))
            {
                if(serviceRecord.InsertedOn != null)
                {
                    if(DateTime.Now < serviceRecord.InsertedOn.Value.AddDays(1))
                    {
                        allowed = true;
                    }
                }
            }

            if(allowed && ApplicationSettings.MaxDaysEditServiceRecordsAllowed > 0)
            {
                if(!LoggedInUser.HasRight(UserRightType.ServiceRecord_AllowEditAfterMaxDaysInNextMonth))
                {
                    if(serviceRecord.Start != null)
                    {
                        var date = new DateTime(serviceRecord.Start.Value.Year, serviceRecord.Start.Value.Month, 1);
                        date = date.AddMonths(1);
                        date = date.AddDays(ApplicationSettings.MaxDaysEditServiceRecordsAllowed);

                        if(DateTime.Now >= date)
                        {
                            allowed = false;
                        }
                    }
                }
            }

            if(allowed && !LoggedInUser.HasRight(UserRightType.ServiceRecord_AllowEditForOtherEmployees))
            {
                if(LoggedInUser.Employee.EmployeeOid != serviceRecord.Employee.EmployeeOid)
                {
                    allowed = false;
                }
            }

            if(allowed && serviceRecord.GroupOid.HasValue)
            {
                if(!LoggedInUser.HasRight(UserRightType.ServiceRecord_AllowCreatingGroupBooking))
                {
                    allowed = false;
                }
            }

            if(allowed && ApplicationSettings.AnzTageZeiterfassErfolgt > 0)
            {
                if(!LoggedInUser.HasRight(UserRightType.ServiceRecordAllowEditAfterMindays))
                {
                    if(serviceRecord.Start != null)
                    {
                        var date = new DateTime(serviceRecord.Start.Value.Year, serviceRecord.Start.Value.Month, serviceRecord.Start.Value.Day);
                        date = date.AddDays(ApplicationSettings.AnzTageZeiterfassErfolgt + 1);
                        if(DateTime.Now >= date)
                        {
                            allowed = false;
                        }
                    }
                }
            }

            return allowed;
        }

        public bool IsZeiterfassungInStdMin => EinheitZeiterfassung == 2;

        public int EinheitZeiterfassung { get; set; }

        public string StartDateToEditJSFormat => SelectedServiceRecord?.Start?.ToString("yyyy-MM-dd") ?? DateTime.Today.ToString("yyyy-MM-dd");

        public string EndDateToEditJSFormat => SelectedServiceRecord?.End?.ToString("yyyy-MM-dd") ?? DateTime.Today.ToString("yyyy-MM-dd");

        public string StartDateToEdit => SelectedServiceRecord?.Start?.ToShortDateString() ?? DateTime.Today.ToShortDateString();

        public string EndDateToEdit => SelectedServiceRecord?.End?.ToShortDateString() ?? DateTime.Today.ToShortDateString();

        public string StartTimeToEdit
        {
            get
            {
                var start = SelectedServiceRecord?.Start;

                if(start != null && !start.Value.GetServiceRecordNoDateTimeDate().Equals(start))
                {
                    return start.Value.ToString("HH:mm");
                }
                
                return string.Empty;
            }
        }

        public string EndTimeToEdit
        {
            get
            {
                var end = SelectedServiceRecord?.End;

                if(end != null && end.Value.Second != 1)
                {
                    return end.Value.ToString("HH:mm");
                }

                return string.Empty;
            }
        }

        public string DurationToEdit
        {
            get
            {
                if(SelectedServiceRecord != null)
                {
                    var duration = SelectedServiceRecord.GroupRoundedDuration ?? SelectedServiceRecord.RoundedDuration;

                    if(SelectedDurationUnit == "Stunden")
                    {
                        return Math.Round(duration / 60, 2, MidpointRounding.AwayFromZero).ToString();
                    }

                    return Math.Round(duration, 0, MidpointRounding.AwayFromZero).ToString();
                }

                return string.Empty;
            }
        }

        public string DistanceToEdit
        {
            get
            {
                if(SelectedServiceRecord != null && SelectedServiceRecord.DistanceInMeterDecimal.HasValue)
                {
                    var dist = SelectedServiceRecord.DistanceInMeterDecimal.Value;

                    return Math.Round(dist, 2, MidpointRounding.AwayFromZero).ToString();
                }

                return string.Empty;
            }
        }

        public string NoticeToEdit => SelectedServiceRecord?.NoticeList.FirstOrDefault() ?? string.Empty;

        public List<string> NoticeListToEdit => SelectedServiceRecord != null ? SelectedServiceRecord.NoticeList : new List<string> {string.Empty, string.Empty, string.Empty, string.Empty, string.Empty};

        public string SubmitButtonValue => IsInEditingMode || IsInGroupBookingMode ? "Speichern" : "Anlegen";

        public long SelectedServiceRecordsServiceDescriptionOid => SelectedServiceRecord?.ServiceDescription?.ServiceDescriptionOid ?? 0L;

        public ServiceRecordDC FindServiceRecord(long serviceRecordOid)
        {
            return ServiceRecords.FirstOrDefault(serviceRecord => serviceRecord.ServiceRecordOid.Equals(serviceRecordOid));
        }

        public List<RatingTypeDC> GoalRatingTypes { get; set; } = new List<RatingTypeDC>();

        public ValueListEntryDC GetGoalByOid(long goalOid)
        {
            return SelectedSupportConcept?.Goals.FirstOrDefault(goal => goal.ValueListEntryOid == goalOid);
        }

        public bool HasAnyRatingTypes { get; set; }

        public List<GoalTreeItem> GoalTree { get; set; } = new List<GoalTreeItem>();
        public List<TextbausteinDisplayItem> AllTextModules { get; set; } = new List<TextbausteinDisplayItem>();

        public bool SetStartTimeToEndTimeAfterSave { get; set; }

        public DateTime? NewStartDate
        {
            get => MainSessionModel?.NewStartDate;

            set => MainSessionModel.NewStartDate = value;
        }

        public string NewStartTime
        {
            get
            {
                var start = NewStartDate;

                if(start.HasValue && !start.Value.GetServiceRecordNoDateTimeDate().Equals(start))
                {
                    return start.Value.ToString("HH:mm");
                }

                return string.Empty;
            }
        }

        public string NewStartDateStr => NewStartDate?.ToShortDateString();

        public DateTime? NewEndDate
        {
            get => MainSessionModel?.NewEndDate;
            set => MainSessionModel.NewEndDate = value;
        }

        public string NewEndTime
        {
            get
            {
                var start = NewEndDate;

                if(start != null && !start.Value.GetServiceRecordNoDateTimeDate().Equals(start))
                {
                    return start.Value.ToString("HH:mm");
                }

                return string.Empty;
            }
        }
        public string NewEndDateStr => NewEndDate?.ToShortDateString();

        public int? NewDuration
        {
            get
            {
                if(NewStartDate.HasValue && NewEndDate.HasValue)
                {
                    return (int?) (NewEndDate.Value - NewStartDate.Value).TotalMinutes;
                }

                return null;
            }
        }

        public bool IsShowingDurationInHours { get; set; }

        public int AiVoiceMode { get { return MainSessionModel.AiVoiceMode; } set { MainSessionModel.AiVoiceMode = value; } } // 0 = direct, 1 = Link senden

        public string SelectedDurationUnit => IsShowingDurationInHours ? "Stunden" : "Minuten";

        public DateTime LastSelectedServiceRecordMonth { get; set; }
        public int LastSelectedServiceRecordTimeIntervalDays { get; set; }

        /// <summary>
        /// Zeitraum der Zeiterfassungseintragsliste (z.B. Alle, Letzte 7 Tage, etc.)
        /// </summary>
        public ServiceRecordTimeInterval ServiceRecordTimeInterval { get; set; }
        public int SelectedDayCount { get; set; }
        public NullableDateTimeSpan SelectedZeitraum { get { return MainSessionModel.SelectedZeitraum; } set { MainSessionModel.SelectedZeitraum = value; } }

        public bool IsOnlyYearMonthVisible { get; set; }

        #region Mehrfachbuchung


        [Display(Name = "Mehrfachbuchung")]
        public bool IsInMultiBookingMode { get { return MainSessionModel.IsInMultiBookingMode; } set { MainSessionModel.IsInMultiBookingMode = value; } }

        

        #endregion

        public bool IsPasswordSecurityEnabled { get; set; }

        public bool ShowMarker { get; set; }

        #region ServiceRecord-Pagination
        public int ServiceRecordCount { get; set; }

        public int CurrentPage { get => MainSessionModel.CurrentPage; set => MainSessionModel.CurrentPage = value; }

        public int MaxResults { get; set; } = 10;

        public int ServiceRecordPageCount { get; set; }

        #endregion

        public string OneTimeLink { get; set; }
        public string OneTimeLinkText { get; set; }

        public string ShareDetails { get; set; }

        public bool IsCustomerAbsence { get; set; }
        public string CustomerAbsenceInfo { get; set; }

        public Dictionary<long, List<string>> ServiceRecordOids2GoalHeader { get; set; }

        public bool FilterGroupServiceCategories { get; set; }

        public Dictionary<ServiceCategoryDC, List<ServiceDescriptionDC>> Categories2Descriptions { get; set; } = new Dictionary<ServiceCategoryDC, List<ServiceDescriptionDC>>();

        public ServiceCategoryDC SelectedServiceCategory { get; set; }

        public ServiceDescriptionDC SelectedServiceDescription { get; set; }
        public List<ValueListEntryDC> AllGoals { get; internal set; }

        public ServiceDescriptionDC GetSelectedOrFirstServiceDescription()
        {
            if(SelectedServiceDescription != null || Categories2Descriptions is null)
            {
                return SelectedServiceDescription;
            }

            var firstServiceCategory2ServiceDescriptions = Categories2Descriptions.OrderBy(c2d => c2d.Key.Position).ThenBy(c2d => c2d.Key.ServiceCategoryOid).FirstOrDefault(c2d => c2d.Value.Any());

            if(firstServiceCategory2ServiceDescriptions.Key != null && (firstServiceCategory2ServiceDescriptions.Value?.Any() ?? false))
            {
                return firstServiceCategory2ServiceDescriptions.Value.OrderBy(sd => sd.Position).ThenBy(sd => sd.ServiceDescriptionOid).First();
            }

            return SelectedServiceDescription;
        }

        public BookingMode CurrentBookingMode
        {
            get
            {
                if(IsInGroupBookingMode)
                {
                    return BookingMode.GroupBookingMode;
                }

                return IsInMultiBookingMode ? BookingMode.MultiBookingMode : BookingMode.SingleBookingMode;
            }
        }

        public string BookingModePrefix
        {
            get
            {
                var result = "sb";

                switch(CurrentBookingMode)
                {
                    case BookingMode.GroupBookingMode:
                        result = "gb";
                    break;
                    case BookingMode.MultiBookingMode:
                        result = "mb";
                    break;
                    default:
                        result = "sb";
                    break;
                }

                return result;
            }
        }

        public string GroupMembers(long groupOid)
        {
            var group = GroupsOfPeople.FirstOrDefault(f => f.GroupOfPeopleOid.Equals(groupOid));

            if(group is null)
            {
                return string.Empty;
            }

            var result = string.Empty;

            foreach(var item in group.SupportConceptList)
            {
                foreach(var costBearerRelOid in item.CostBearerRelOids)
                {
                    result += $"{costBearerRelOid},";
                }
            }

            return result.Trim(',');
        }

        public ServiceRecord2Monatsunterschrift ServiceRecord2Monatsunterschrift { get; set; }

        public string SignaturePopupTitle { get; set; }
    }

    public class CustomSelectListItem
    {
        public string Text1 { get; }
        public string Text2 { get; }
        public string Value { get; }
        public string TextColor { get; }
        public long? SupportConceptOid { get; }
        public long? CostBearer2SupportConceptOid { get; }
        public string NameAndDateOfBirthColor { get; }

        public CustomSelectListItem(string pText1, string pText2, string pValue, string pTextColor, long? supportConceptOid, long? costBearer2SupportConceptOid, string nameAndDateOfBirthColor)
        {
            Text1     = pText1;
            Text2     = pText2;
            Value     = pValue;
            TextColor = pTextColor;
            SupportConceptOid = supportConceptOid;
            CostBearer2SupportConceptOid = costBearer2SupportConceptOid;
            NameAndDateOfBirthColor = nameAndDateOfBirthColor;
        }
    }
}