using gehGassi.Core.Interfaces;
using gehGassi.Domain.Walks;
using Microsoft.EntityFrameworkCore;
using NetTopologySuite.Geometries;
using NetTopologySuite;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using gehGassi.Common.Extensions;
using gehGassi.Domain.Common;
using Microsoft.Data.SqlClient;
using gehGassi.Domain.Dogs;
using gehGassi.Domain.Payment;
using Azure;
using gehGassi.Dto.Messages;

namespace gehGassi.Core.Services
{
    /// <summary>
    /// Service der die Verwaltung von Walks ermöglicht
    /// </summary>
    public class WalkService : ServiceBase<Walk>, IWalkService
    {
        private readonly IServiceProvider _serviceProvider;
        private readonly IRepository<WalkWithNames> _namesRepository;
        private readonly IRepository<PublicWalkRequest> _publicWalkRequestRepository;
        private readonly IRepository<PublicWalkResponse> _publicWalkResponseRepository;

        /// <summary>
        /// Erstellt eine Instanz
        /// </summary>
        /// <param name="unitOfWork">Instanz eines IUnitOfWork</param>
        /// <param name="serviceProvider">Instanz eines IServiceProvider</param>
        public WalkService(IUnitOfWork unitOfWork, IServiceProvider serviceProvider) : base(unitOfWork)
        {
            _serviceProvider = serviceProvider;
            _namesRepository = unitOfWork.GetRepository<WalkWithNames>();
            _publicWalkRequestRepository = unitOfWork.GetRepository<PublicWalkRequest>();
            _publicWalkResponseRepository = unitOfWork.GetRepository<PublicWalkResponse>();
        }

        /// <summary>
        /// Erstellen eines Walks
        /// </summary>
        /// <returns>Walk</returns>
        public Walk Create()
        {
            var walk = new Walk()
            {
                Id = Guid.NewGuid().ToString("N"),
                Created = DateTimeOffset.UtcNow
            };
            return walk;
        }

        /// <summary>
        /// Gibt eine Liste der Walks eines Benutzers zurück. Kann Owner und Walker sein
        /// </summary>
        /// <param name="appUserId">Id des AppUsers</param>
        /// <param name="lastUpdate">Letztes Update</param>
        /// <returns>Liste der öffentlichen Anfragen</returns>
        public async Task<List<Walk>> GetForSyncAppAsync(string appUserId, DateTimeOffset? lastUpdate)
        {
            var query = Repository.Query(c => c.DogOwnerId == appUserId || c.DogWalkerId == appUserId);

            if (lastUpdate.HasValue)
                query = query.Where(c => c.UpdatedAt > lastUpdate);

            return await query.ToListAsync().ConfigureAwait(false);
        }

        /// <summary>
        /// Gibt eine gefilterte Liste von Walks zurück
        /// </summary>
        /// <param name="filter">Filterbegriff der in bestimmten Feldern gesucht wird</param>
        /// <param name="includeDeleted">Sollen gelöschte inkludiert werden?</param>
        /// <returns>Liste betroffener öffentlicher Anfragen</returns>
        public IQueryable<WalkWithNames> FilterWithNames(string filter, bool includeDeleted)
        {
            var baseQuery = _namesRepository.QueryStoredProcedure("SELECT * FROM tv_WalksWithNames()", c => c.DogOwnerName.Contains(filter) || c.DogWalkerName.Contains(filter) || c.PickupAddress_City.Contains(filter));

            if (!includeDeleted)
                baseQuery = baseQuery.Where(c => c.Deleted == false);

            return baseQuery;
        }

        /// <summary>
        /// Gibt eine Liste von Walks mit Namen aufgelöst zurück
        /// </summary>
        /// <param name="dogWalkerId">Id des Dogwalkers oder leer wenn nicht für DogWalker</param>
        /// <param name="dogOwnerId">Id des DogOwners oder leer wenn nicht für DogOwner</param>
        /// <param name="date">Datum ab dem gesucht werden soll oder NULL wenn alle</param>
        /// <param name="status">Status des Walks, NULL wenn alle</param>
        /// <param name="serviceType">Service Type, NULL wenn alle</param>
        /// <param name="paymentStatus">Zahlungsstatus, NULL wenn alle</param>
        /// <param name="dogFilter">Optinal: nach HundeID filtern</param>
        /// <param name="walkerFilter">Optional: nach Walkername filtern</param>
        /// <param name="ownerFilter">Optional: nach Ownername filtern</param>
        /// <param name="ignoreCancelled">Stornierte Ignorieren</param>
        /// <param name="forNextWalk">Sollen nur Walks für den nächsten Walk selektiert werden? Dann nur Angenommene oder Laufende</param>
        /// <param name="ignoreRequested">Sollen Walks die noch eine Anfrage sind, ohne Akzeptiert oder Agelehnt ignorniert werden?</param>
        /// <param name="ignoreDeclined">Sollen abgelehnte Walks ignoriert werden?</param>
        /// <param name="sortList">Optional: Liste der sortierung</param>
        /// <param name="lat">Optional: Breitengrad</param>
        /// <param name="lng">Optional: Längengrad</param>
        /// <param name="skip">Datensätze auslassen</param>
        /// <param name="take">Datensätze nehmen</param>
        /// <returns>Liste gefudene Walks</returns>
        public async Task<(int total, List<WalkWithNames> list)> GetWithNamesAsync(string dogWalkerId, string dogOwnerId, DateTimeOffset? date, WalkStatus? status, WalkServiceType? serviceType, PaymentStatus? paymentStatus, string dogFilter, string walkerFilter, string ownerFilter, bool ignoreCancelled, bool forNextWalk, bool ignoreRequested, bool ignoreDeclined, List<DynamicSortOrder> sortList, double lat, double lng, int skip, int take)
        {
            var geometryFactory = NtsGeometryServices.Instance.CreateGeometryFactory(srid: 4326);
            var location = geometryFactory.CreatePoint(new Coordinate(lng, lat));

            var baseQuery = _namesRepository.QueryStoredProcedure("SELECT * FROM tv_WalksWithNames()", c => c.Deleted == false);

            if(!string.IsNullOrWhiteSpace(dogWalkerId))
                baseQuery = baseQuery.Where(c => c.DogWalkerId == dogWalkerId);
            if (!string.IsNullOrWhiteSpace(dogOwnerId))
                baseQuery = baseQuery.Where(c => c.DogOwnerId == dogOwnerId);
            if(date.HasValue)
                baseQuery = baseQuery.Where(c => c.Start >= date);
            if (status.HasValue)
            {
                baseQuery = baseQuery.Where(c => c.Status == status);
            }
            else
            {
                if(ignoreCancelled)
                    baseQuery = baseQuery.Where(c => c.Status != WalkStatus.Cancelled);
                if (forNextWalk)
                {
                    baseQuery = baseQuery.Where(c => c.Status == WalkStatus.Accepted || c.Status == WalkStatus.Started);
                }
                if (ignoreRequested)
                    baseQuery = baseQuery.Where(c => c.Status != WalkStatus.Requested);
                if (ignoreDeclined)
                    baseQuery = baseQuery.Where(c => c.Status != WalkStatus.Declined);
            }
            if (serviceType.HasValue)
                baseQuery = baseQuery.Where(c => c.ServiceType == serviceType);
            if (paymentStatus.HasValue)
                baseQuery = baseQuery.Where(c => c.PaymentStatus == paymentStatus);
            if (!string.IsNullOrWhiteSpace(dogFilter))
                baseQuery = baseQuery.Where(c => c.DogsJson.Contains(dogFilter));
            if (!string.IsNullOrWhiteSpace(walkerFilter))
                baseQuery = baseQuery.Where(c => c.DogWalkerName.Contains(walkerFilter));
            if (!string.IsNullOrWhiteSpace(ownerFilter))
                baseQuery = baseQuery.Where(c => c.DogOwnerName.Contains(ownerFilter));
            
            var total = await baseQuery.CountAsync().ConfigureAwait(false);

            if (sortList.Any())
            {
                var isFirst = true;
                var orderedBaseQuery = baseQuery.SpecialOrderBy(sortList.First().Property, sortList.First().SortDirection); ;
                foreach (var sortOrder in sortList)
                {
                    if (isFirst)
                    {
                        isFirst = false;
                        continue;
                    }
                    else
                    {
                        orderedBaseQuery = orderedBaseQuery.SpecialThenBy(sortOrder.Property, sortOrder.SortDirection);
                    }
                }
                var list = await orderedBaseQuery.ThenBy(c => c.PickupLocation.Distance(location)).Skip(skip).Take(take).ToListAsync().ConfigureAwait(false);
                return (total, list);
            }
            else
            {
                var list = await baseQuery.OrderBy(c => c.Start).ThenBy(c => c.PickupLocation.Distance(location)).Skip(skip).Take(take).ToListAsync().ConfigureAwait(false);
                return (total, list);
            }
        }

        /// <summary>
        /// Gibt eine Liste von Walks mit Namen aufgelöst zurück für Walker
        /// Sonderfall hier ist, dass keine Walks mit einem PaymentStatus unter Authorized zurückgibt
        /// </summary>
        /// <param name="dogWalkerId">Id des Dogwalkers oder leer wenn nicht für DogWalker</param>
        /// <param name="dogOwnerId">Id des DogOwners oder leer wenn nicht für DogOwner</param>
        /// <param name="date">Datum ab dem gesucht werden soll oder NULL wenn alle</param>
        /// <param name="status">Status des Walks, NULL wenn alle</param>
        /// <param name="serviceType">Service Type, NULL wenn alle</param>
        /// <param name="paymentStatus">Zahlungsstatus, NULL wenn alle</param>
        /// <param name="dogFilter">Optinal: nach HundeID filtern</param>
        /// <param name="walkerFilter">Optional: nach Walkername filtern</param>
        /// <param name="ownerFilter">Optional: nach Ownername filtern</param>
        /// <param name="ignoreCancelled">Stornierte Ignorieren</param>
        /// <param name="forNextWalk">Sollen nur Walks für den nächsten Walk selektiert werden? Dann nur Angenommene oder Laufende</param>
        /// <param name="ignoreRequested">Sollen Walks die noch eine Anfrage sind, ohne Akzeptiert oder Agelehnt ignorniert werden?</param>
        /// <param name="ignoreDeclined">Sollen abgelehnte Walks ignoriert werden?</param>
        /// <param name="sortList">Optional: Liste der sortierung</param>
        /// <param name="lat">Optional: Breitengrad</param>
        /// <param name="lng">Optional: Längengrad</param>
        /// <param name="skip">Datensätze auslassen</param>
        /// <param name="take">Datensätze nehmen</param>
        /// <returns>Liste gefudene Walks</returns>
        public async Task<(int total, List<WalkWithNames> list)> GetWithNamesForWalkerAsync(string dogWalkerId, string dogOwnerId, DateTimeOffset? date, WalkStatus? status, WalkServiceType? serviceType, PaymentStatus? paymentStatus, string dogFilter, string walkerFilter, string ownerFilter, bool ignoreCancelled, bool forNextWalk, bool ignoreRequested, bool ignoreDeclined, List<DynamicSortOrder> sortList, double lat, double lng, int skip, int take)
        {
            var geometryFactory = NtsGeometryServices.Instance.CreateGeometryFactory(srid: 4326);
            var location = geometryFactory.CreatePoint(new Coordinate(lng, lat));

            var baseQuery = _namesRepository.QueryStoredProcedure("SELECT * FROM tv_WalksWithNames()", c => c.Deleted == false);

            if (!string.IsNullOrWhiteSpace(dogWalkerId))
                baseQuery = baseQuery.Where(c => c.DogWalkerId == dogWalkerId);
            if (!string.IsNullOrWhiteSpace(dogOwnerId))
                baseQuery = baseQuery.Where(c => c.DogOwnerId == dogOwnerId);
            if (date.HasValue)
                baseQuery = baseQuery.Where(c => c.Start >= date);
            if (status.HasValue)
            {
                baseQuery = baseQuery.Where(c => c.Status == status);
            }
            else
            {
                if (ignoreCancelled)
                    baseQuery = baseQuery.Where(c => c.Status != WalkStatus.Cancelled);
                if (forNextWalk)
                {
                    baseQuery = baseQuery.Where(c => c.Status == WalkStatus.Accepted || c.Status == WalkStatus.Started);
                }
                if (ignoreRequested)
                    baseQuery = baseQuery.Where(c => c.Status != WalkStatus.Requested);
                if (ignoreDeclined)
                    baseQuery = baseQuery.Where(c => c.Status != WalkStatus.Declined);
            }
            if (serviceType.HasValue)
                baseQuery = baseQuery.Where(c => c.ServiceType == serviceType);
            
            if (paymentStatus.HasValue)
                baseQuery = baseQuery.Where(c => c.PaymentStatus == paymentStatus && c.PaymentStatus >= PaymentStatus.Authorized);
            else
                baseQuery = baseQuery.Where(c => c.PaymentStatus >= PaymentStatus.Authorized || (c.PaymentStatus == PaymentStatus.None && (c.Status == WalkStatus.Requested || c.Status == WalkStatus.Declined)));

            if (!string.IsNullOrWhiteSpace(dogFilter))
                baseQuery = baseQuery.Where(c => c.DogsJson.Contains(dogFilter));
            if (!string.IsNullOrWhiteSpace(walkerFilter))
                baseQuery = baseQuery.Where(c => c.DogWalkerName.Contains(walkerFilter));
            if (!string.IsNullOrWhiteSpace(ownerFilter))
                baseQuery = baseQuery.Where(c => c.DogOwnerName.Contains(ownerFilter));

            var total = await baseQuery.CountAsync().ConfigureAwait(false);

            if (sortList.Any())
            {
                var isFirst = true;
                var orderedBaseQuery = baseQuery.SpecialOrderBy(sortList.First().Property, sortList.First().SortDirection); ;
                foreach (var sortOrder in sortList)
                {
                    if (isFirst)
                    {
                        isFirst = false;
                        continue;
                    }
                    else
                    {
                        orderedBaseQuery = orderedBaseQuery.SpecialThenBy(sortOrder.Property, sortOrder.SortDirection);
                    }
                }
                var list = await orderedBaseQuery.ThenBy(c => c.PickupLocation.Distance(location)).Skip(skip).Take(take).ToListAsync().ConfigureAwait(false);
                return (total, list);
            }
            else
            {
                var list = await baseQuery.OrderBy(c => c.Start).ThenBy(c => c.PickupLocation.Distance(location)).Skip(skip).Take(take).ToListAsync().ConfigureAwait(false);
                return (total, list);
            }
        }

        /// <summary>
        /// Gibt eine Liste von Walks mit Namen aufgelöst zurück für Hundebesitzer die anstehen, laufen, nicht abgeschlossen sind, nicht gestartet wurden oder zu bezahlen sind
        /// </summary>
        /// <param name="dogOwnerId">Id des Hundebesitzers</param>
        /// <param name="date">Datum ab dem gesucht werden soll oder NULL wenn alle</param>
        /// <param name="skip">Datensätze auslassen</param>
        /// <param name="take">Datensätze nehmen</param>
        /// <returns>Liste gefudene Walks</returns>
        public async Task<(int total, List<WalkWithNames> list)> GetNextWithNamesForOwnerAsync(string dogOwnerId, DateTimeOffset date, int skip, int take)
        {
            var total = 0;
            var list = new List<WalkWithNames>();

            //1. Aktuell laufende Walks
            var baseQuery = _namesRepository.QueryStoredProcedure("SELECT * FROM tv_WalksWithNames()", c => c.DogOwnerId == dogOwnerId && c.Deleted == false && c.Status == WalkStatus.Started);
            //baseQuery = baseQuery.Where(c => c.Start <= date && c.End >= date);
            //Anpassung, Walks auch dann anzeigen, wenn gestartet aber das Startdatum noch nicht erreicht ist
            //baseQuery = baseQuery.Where(c => c.Start <= date && c.End >= date);
            baseQuery = baseQuery.Where(c => c.End >= date);
            list.AddRange(await baseQuery.OrderBy(c => c.Start).ToListAsync().ConfigureAwait(false));

            //2. Nicht gestartete Walks
            baseQuery = _namesRepository.QueryStoredProcedure("SELECT * FROM tv_WalksWithNames()", c => c.DogOwnerId == dogOwnerId && c.Deleted == false && c.Status == WalkStatus.Accepted && c.PaymentStatus == PaymentStatus.Authorized);
            baseQuery = baseQuery.Where(c => c.Start <= date && c.End >= date);
            list.AddRange(await baseQuery.OrderBy(c => c.Start).ToListAsync().ConfigureAwait(false));

            //3. Zu bezahlende Walks
            baseQuery = _namesRepository.QueryStoredProcedure("SELECT * FROM tv_WalksWithNames()", c => c.DogOwnerId == dogOwnerId && c.Deleted == false && c.Status == WalkStatus.Accepted && c.PaymentStatus == PaymentStatus.Pending);
            list.AddRange(await baseQuery.OrderBy(c => c.Start).ToListAsync().ConfigureAwait(false));

            //4. Nicht abgeschlossene Walks
            baseQuery = _namesRepository.QueryStoredProcedure("SELECT * FROM tv_WalksWithNames()", c => c.DogOwnerId == dogOwnerId && c.Deleted == false && (c.Status == WalkStatus.Accepted || c.Status == WalkStatus.Started) && c.PaymentStatus == PaymentStatus.Authorized);
            baseQuery = baseQuery.Where(c => c.End <= date);
            list.AddRange(await baseQuery.OrderBy(c => c.Start).ToListAsync().ConfigureAwait(false));

            //5. Nicht bestätigte Walks
            baseQuery = _namesRepository.QueryStoredProcedure("SELECT * FROM tv_WalksWithNames()", c => c.DogOwnerId == dogOwnerId && c.Deleted == false && c.Status == WalkStatus.Completed && c.PaymentStatus == PaymentStatus.Authorized);
            baseQuery = baseQuery.Where(c => c.End <= date);
            list.AddRange(await baseQuery.OrderBy(c => c.Start).ToListAsync().ConfigureAwait(false));

            //6. Nächster anstehender Walk
            baseQuery = _namesRepository.QueryStoredProcedure("SELECT * FROM tv_WalksWithNames()", c => c.DogOwnerId == dogOwnerId && c.Deleted == false && c.Status == WalkStatus.Accepted && c.PaymentStatus == PaymentStatus.Authorized);
            baseQuery = baseQuery.Where(c => c.Start >= date).OrderBy(c => c.Start);
            var nextWaks = (await baseQuery.ToListAsync().ConfigureAwait(false)).Skip(0).Take(3);
            if(nextWaks.Any())
                list.AddRange(nextWaks);

            total = list.Count;
            list = list.Skip(skip).Take(take).ToList();

            return (total, list);
        }

        /// <summary>
        /// Gibt eine Liste von Walks mit Namen aufgelöst zurück für Walker die anstehen, laufen, nicht abgeschlossen sind oder nicht gestartet wurden
        /// </summary>
        /// <param name="dogWalkerId">Id des Walkers</param>
        /// <param name="date">Datum ab dem gesucht werden soll oder NULL wenn alle</param>
        /// <param name="skip">Datensätze auslassen</param>
        /// <param name="take">Datensätze nehmen</param>
        /// <returns>Liste gefudene Walks</returns>
        public async Task<(int total, List<WalkWithNames> list)> GetNextWithNamesForWalkerAsync(string dogWalkerId, DateTimeOffset date, int skip, int take)
        {
            var total = 0;
            var list = new List<WalkWithNames>();

            //1. Aktuell laufende Walks
            var baseQuery = _namesRepository.QueryStoredProcedure("SELECT * FROM tv_WalksWithNames()", c => c.DogWalkerId == dogWalkerId && c.Deleted == false && c.Status == WalkStatus.Started);
            //baseQuery = baseQuery.Where(c => c.Start <= date && c.End >= date);
            //Anpassung, Walks auch dann anzeigen, wenn gestartet aber das Startdatum noch nicht erreicht ist
            baseQuery = baseQuery.Where(c => c.End >= date);
            list.AddRange(await baseQuery.OrderBy(c => c.Start).ToListAsync().ConfigureAwait(false));

            //2. Nicht gestartete Walks
            baseQuery = _namesRepository.QueryStoredProcedure("SELECT * FROM tv_WalksWithNames()", c => c.DogWalkerId == dogWalkerId && c.Deleted == false && c.Status == WalkStatus.Accepted && c.PaymentStatus == PaymentStatus.Authorized);
            baseQuery = baseQuery.Where(c => c.Start <= date && c.End >= date);
            list.AddRange(await baseQuery.OrderBy(c => c.Start).ToListAsync().ConfigureAwait(false));

            //3. Nicht abgeschlossene Walks
            baseQuery = _namesRepository.QueryStoredProcedure("SELECT * FROM tv_WalksWithNames()", c => c.DogWalkerId == dogWalkerId && c.Deleted == false && (c.Status == WalkStatus.Accepted || c.Status == WalkStatus.Started) && c.PaymentStatus == PaymentStatus.Authorized);
            baseQuery = baseQuery.Where(c => c.End <= date);
            list.AddRange(await baseQuery.OrderBy(c => c.Start).ToListAsync().ConfigureAwait(false));

            //5. Nächster anstehender Walk
            baseQuery = _namesRepository.QueryStoredProcedure("SELECT * FROM tv_WalksWithNames()", c => c.DogWalkerId == dogWalkerId && c.Deleted == false && c.Status == WalkStatus.Accepted && c.PaymentStatus == PaymentStatus.Authorized);
            baseQuery = baseQuery.Where(c => c.Start >= date).OrderBy(c => c.Start);
            var nextWaks = (await baseQuery.ToListAsync().ConfigureAwait(false)).Skip(0).Take(3);
            if (nextWaks.Any())
                list.AddRange(nextWaks);

            total = list.Count;
            list = list.Skip(skip).Take(take).ToList();

            return (total, list);
        }

        /// <summary>
        /// Gibt einen Walk mit Namen aufgelöst zurück
        /// </summary>
        /// <param name="walkId">Id des Walks</param>
        /// <returns>Walk oder null, wenn nicht gefunden</returns>
        public async Task<WalkWithNames> GetWalkWithNamesAsync(string walkId)
        {
            var baseQuery = _namesRepository.QueryStoredProcedure("SELECT * FROM tv_WalksWithNames()", c => c.Deleted == false);
            baseQuery = baseQuery.Where(c => c.Id == walkId && c.Deleted == false);

            return await baseQuery.FirstOrDefaultAsync().ConfigureAwait(false);
        }

        /// <summary>
        /// Zurückgeben einer Liste von Walks die einen bestimmten Status haben
        /// </summary>
        /// <param name="status">Gesuchter Status</param>
        /// <returns>Liste von Walks</returns>
        public async Task<List<Walk>> GetByStatusAsync(WalkStatus status)
        {
            var walks = await Repository.FindAsync(c => c.Status == status && c.Deleted == false).ConfigureAwait(false);
            return walks.ToList();
        }

        /// <summary>
        /// Gibt einen Walk zurück der mit einer öffentlichen Anfrage verknüpft ist
        /// </summary>
        /// <param name="publicWalkRequestId">Id der öffentlichen Anfrage</param>
        /// <returns>Walk oder null, wenn nicht gefunden</returns>
        public async Task<Walk> GetWalkByPublicRequestAsync(string publicWalkRequestId)
        {
            var walk = await Repository.FirstOrDefaultAsync(c => c.PublicWalkRequestId == publicWalkRequestId && c.Deleted == false).ConfigureAwait(false);
            return walk;
        }

        /// <summary>
        /// Prüft ob ein Walk für einen Zeitraum gebucht werden kann.
        /// Sittings werden dabei ignoriert!
        /// </summary>
        /// <param name="dogWalkerId">Id des dogwalkers</param>
        /// <param name="start">Startdatum</param>
        /// <param name="end">Enddatum</param>
        /// <returns>true wenn verfügbar, false sonst</returns>
        public async Task<bool> IsWalkPossibleAsync(string dogWalkerId, DateTimeOffset start, DateTimeOffset end)
        {
            var walkFound = await Repository.FirstOrDefaultAsync(c => c.DogWalkerId == dogWalkerId && c.ServiceType == WalkServiceType.Walking && start < c.End && end > c.Start && c.Deleted == false && (c.Status == WalkStatus.Accepted || c.Status == WalkStatus.Started)).ConfigureAwait(false);
            return walkFound == null;
        }

        /// <summary>
        /// Setzt Walks die im Status "Request" sind auf Cancel.
        /// Wird verwendet wenn eine FIXE buchung gemacht wird und andere noch auf eine Antwort warten.
        /// </summary>
        /// <param name="dogWalkerId">Id des dogwalkers</param>
        /// <param name="start">Startdatum</param>
        /// <param name="end">Enddatum</param>
        /// <returns>Anzahl betroffene Walks</returns>
        public async Task<int> CancelWalkRequestsAsync(string dogWalkerId, DateTimeOffset start, DateTimeOffset end)
        {
            var walks = await Repository.FindAsync(c => c.DogWalkerId == dogWalkerId && c.ServiceType == WalkServiceType.Walking && start < c.End && end > c.Start && c.Deleted == false && c.Status == WalkStatus.Requested).ConfigureAwait(false);
            foreach (var walk in walks)
            {
                walk.Status = WalkStatus.Cancelled;
                walk.CancelledBy = CancellationSource.GehGassi;
                walk.CancelledReason = string.Empty;
                walk.UpdatedAt = DateTimeOffset.UtcNow;
            }

            return walks.Count();
        }

        /// <summary>
        /// Walks stornieren welche im Status Request sind und das Startdatum erreicht wurde
        /// </summary>
        /// <param name="date">Datum für Prüfung</param>
        /// <returns>Anzahl timed out</returns>
        public async Task<int> CancelTimedOutAsync(DateTimeOffset date)
        {
            var walks = await Repository.FindAsync(c => c.Start < DateTimeOffset.UtcNow && c.Deleted == false && c.Status == WalkStatus.Requested).ConfigureAwait(false);
            foreach (var walk in walks)
            {
                walk.Status = WalkStatus.Cancelled;
                walk.CancelledBy = CancellationSource.GehGassi;
                walk.CancelledReason = string.Empty;
                walk.UpdatedAt = DateTimeOffset.UtcNow;
            }

            return walks.Count();
        }

        /// <summary>
        /// Stornieren von Walks die im Zahlungsstatus Pending sind und länger als X Minuten alt sind
        /// </summary>
        /// <param name="date">Datum für Prüfung</param>
        /// <param name="minutes">Ablaufzeit in Minuten</param>
        /// <returns>Anzahl storniert</returns>
        public async Task<int> CancelPendingAsync(DateTimeOffset date, int minutes)
        {
            var publicWalkRequestService = (IPublicWalkRequestService)_serviceProvider.GetService(typeof(IPublicWalkRequestService));
            var publicWalkResponseService = (IPublicWalkResponseService)_serviceProvider.GetService(typeof(IPublicWalkResponseService));
            var voucherCampaignService = (IVoucherCampaignService)_serviceProvider.GetService(typeof(IVoucherCampaignService));
            var customerService = (ICustomerService)_serviceProvider.GetService(typeof(ICustomerService));
            var mangoPayService = (IMangoPayService)_serviceProvider.GetService(typeof(IMangoPayService));

            var compareDate = date.AddMinutes(-minutes);

            var walks = await Repository.FindAsync(c => c.PaymentStatus == PaymentStatus.Pending && c.Deleted == false && c.Status == WalkStatus.Accepted && c.Created < compareDate).ConfigureAwait(false);
            foreach (var walk in walks)
            {
                if (!string.IsNullOrWhiteSpace(walk.VoucherId) && walk.VoucherAmmount > 0)
                {
                    var usage = await voucherCampaignService.GetUsageAsync(walk.VoucherId, walk.DogOwnerId, walk.Id);
                    if (usage != null)
                    {
                        var voucher = await voucherCampaignService.GetVoucherAsync(usage.VoucherId);
                        if (voucher != null && voucher.Id == usage.VoucherId)
                        {
                            var campaign = await voucherCampaignService.GetAsync(voucher.VoucherCampaignId);
                            if (campaign != null)
                            {
                                var customer = await customerService.GetAsync(campaign.CustomerId);
                                if (customer != null)
                                {
                                    //Geld vom Transferkonto der Kamapgne auf das Guthabenkonto überweisen mit Verweis auf den Walk und Transaktion erfassen
                                    var ammount = (int)(usage.VoucherAmmountUsed * 100);
                                    var transferResult = await mangoPayService.TransferMoneyAsync(customer.MangopayPaymentId, campaign.WalletFeeId,
                                    customer.MangopayPaymentId, campaign.WalletCreditId, walk.Id, ammount, 0, $"VoucherId_{voucher.Id}_WalkId_{walk.Id}", "", "");

                                    if (transferResult.Success)
                                    {
                                        //Usage beim voucher zurücksetzen (UsedCount, IsValid wenn Einzelgutschein)
                                        voucher.UsedCount -= 1;
                                        if (voucher.UsedCount < 0)
                                            voucher.UsedCount = 0;
                                        voucher.IsValid = true;

                                        //Usage in der Kampagne zurücksetzen (VouchersUsed, BudgetUsed)
                                        campaign.VouchersUsed -= 1;
                                        if (campaign.VouchersUsed < 0)
                                            campaign.VouchersUsed = 0;
                                        campaign.BudgetUsed -= usage.VoucherAmmountUsed;
                                        if (campaign.BudgetUsed < 0)
                                            campaign.BudgetUsed = 0;

                                        walk.VoucherId = null;
                                        walk.VoucherAmmount = 0;

                                        //Reservieren durch die Anlage einer VoucherUsage
                                        voucherCampaignService.RemoveUsage(usage);
                                    }
                                }
                            }
                        }
                    }
                }

                walk.Status = WalkStatus.Cancelled;
                walk.CancelledBy = CancellationSource.GehGassi;
                walk.CancelledReason = string.Empty;
                walk.UpdatedAt = DateTimeOffset.UtcNow;

                if (walk.Type == WalkType.OpenRequest)
                {
                    var resetSuccess = await publicWalkRequestService.ResetAsync(walk.PublicWalkRequestId);
                    if (resetSuccess)
                    {
                        var reopenedCount = await publicWalkResponseService.SetOpenForClosedOrAcceptedAsync(walk.PublicWalkRequestId);
                    }
                    walk.PublicWalkRequestId = string.Empty;
                }
            }

            return walks.Count();
        }

        /// <summary>
        /// Abschliessen eines Walks, falls das vergessen wurde
        /// </summary>
        /// <param name="date">Datum für Prüfung</param>
        /// <param name="minutes">Ablaufzeit in Minuten</param>
        /// <returns>Anzahl abgeschlossen</returns>
        public async Task<int> CompleteAutoAsync(DateTimeOffset date, int minutes)
        {
            var compareDate = date.AddMinutes(-minutes);

            var walks = await Repository.FindAsync(c => c.PaymentStatus == PaymentStatus.Authorized && c.Deleted == false && (c.Status == WalkStatus.Accepted || c.Status == WalkStatus.Started) && c.End < compareDate).ConfigureAwait(false);
            foreach (var walk in walks)
            {
                walk.Status = WalkStatus.Completed;
                walk.UpdatedAt = DateTimeOffset.UtcNow;
            }

            return walks.Count();
        }

        /// <summary>
        /// Bestätigen von Walks die im Status Abgeschlossen sind und länger als X Minuten alt sind.
        /// Löst die Überweisung von den Kosten für den Walk vom hundebesitzer an den Dogwalker aus.
        /// </summary>
        /// <param name="date">Datum für Prüfung</param>
        /// <param name="minutes">Ablaufzeit in Minuten</param>
        /// <returns>Anzahl bestätigt</returns>
        public async Task<int> ConfirmCompletedAsync(DateTimeOffset date, int minutes)
        {
            var compareDate = date.AddMinutes(-minutes);
            var mangoPayService = (IMangoPayService)_serviceProvider.GetService(typeof(IMangoPayService));
            var gehGassiTransactionService = (ITransactionFeeService)_serviceProvider.GetService(typeof(ITransactionFeeService));
            var walletService = (IWalletService)_serviceProvider.GetService(typeof(IWalletService));
            var appUserService = (IAppUserService)_serviceProvider.GetService(typeof(IAppUserService));
            var voucherCampaignService = (IVoucherCampaignService)_serviceProvider.GetService(typeof(IVoucherCampaignService));
            var customerService = (ICustomerService)_serviceProvider.GetService(typeof(ICustomerService));

            var walks = await Repository.FindAsync(c => c.Status == WalkStatus.Completed && c.Deleted == false && c.PaymentStatus == PaymentStatus.Authorized && c.Completed< compareDate).ConfigureAwait(false);
            foreach (var walk in walks)
            {
                walk.Status = WalkStatus.Confirmed;
                walk.Confirmed = DateTimeOffset.UtcNow;
                walk.UpdatedAt = DateTimeOffset.UtcNow;
                walk.PaymentStatus = PaymentStatus.Paid;
                await CommitAsync("System");

                decimal feeDecimal = 0;
                long feeFromUser = 0;
                long feeFromVoucher = 0;
                var gehGassiFee = await gehGassiTransactionService.GetMinGehGassiFeeAsync(walk.Price);
                if (gehGassiFee != null)
                {
                    if (gehGassiFee.Percent > 0)
                    {
                        var percent = walk.Price * gehGassiFee.Percent / 100;
                        feeDecimal = percent;
                    }

                    if (gehGassiFee.Fixed > 0)
                    {
                        feeDecimal += gehGassiFee.Fixed;
                    }
                }
                if (feeDecimal > 0)
                {
                    feeFromUser = (long)(feeDecimal * 100);
                }


                //Wenn es einen gutschein gibt, dann Geld vom Transferkontos des Gutscheins auf das transferkonto des Hundebesitzers überweisen
                if (!string.IsNullOrWhiteSpace(walk.VoucherId) && walk.VoucherAmmount > 0)
                {
                    var voucherUsed = await voucherCampaignService.GetUsageAsync(walk.VoucherId, walk.DogOwnerId, walk.Id);
                    if (voucherUsed != null)
                    {
                        var ammountFromVoucher = (long)(voucherUsed.VoucherAmmountUsed * 100);
                        voucherUsed.UsageStatus = VoucherUsageStatus.Used;
                        await CommitAsync("System");

                        var voucher = await voucherCampaignService.GetVoucherAsync(voucherUsed.VoucherId);
                        if (voucher != null)
                        {
                            var campaign = await voucherCampaignService.GetAsync(voucher.VoucherCampaignId);
                            if (campaign != null)
                            {
                                var customer = await customerService.GetAsync(campaign.CustomerId);
                                if (customer != null)
                                {
                                    var dogOwner = await appUserService.GetAsync(walk.DogOwnerId);
                                    if (dogOwner != null)
                                    {
                                        var wallet = await walletService.GetAsync(walk.DogOwnerId, WalletType.Fees);
                                        if (wallet != null)
                                        {
                                            var transferResult = await mangoPayService.TransferMoneyAsync(customer.MangopayPaymentId, campaign.WalletFeeId, dogOwner.PaymentId, wallet.Id, walk.Id, ammountFromVoucher, 0, $"VoucherId_{voucher.Id}_WalkId_{walk.Id}", targetAppUserId: dogOwner.Id);
                                        }
                                    }
                                }
                            }
                        }
                    }
                }

                var sourceWallet = await walletService.GetAsync(walk.DogOwnerId, WalletType.Fees);
                var targetWallet = await walletService.GetAsync(walk.DogWalkerId, WalletType.Credits);
                if (sourceWallet != null && targetWallet != null)
                {
                    var sourceUser = await appUserService.GetAsync(walk.DogOwnerId);
                    var targetUser = await appUserService.GetAsync(walk.DogWalkerId);

                    if (sourceUser != null && targetUser != null)
                    {
                        var ammount = (long)(walk.Price * 100);
                        var transcationSuccess = await mangoPayService.TransferMoneyAsync(walk.DogOwnerId, walk.DogWalkerId, walk.Id, ammount, feeFromUser, $"WalkId_Payment_{walk.Id}");

                        //Wallets aktualisieren
                        await mangoPayService.GetWalletBalanceAsync(sourceUser.Id, WalletType.Credits);
                        await mangoPayService.GetWalletBalanceAsync(sourceUser.Id, WalletType.Fees);

                        await mangoPayService.GetWalletBalanceAsync(targetUser.Id, WalletType.Credits);
                        await mangoPayService.GetWalletBalanceAsync(targetUser.Id, WalletType.Fees);
                    }
                }
            }

            return walks.Count();
        }

        /// <summary>
        /// Bestätigen von Walks die im Status Abgeschlossen sind und länger als X Minuten alt sind.
        /// Löst die Überweisung von den Kosten für den Walk vom hundebesitzer an den Dogwalker aus.
        /// </summary>
        /// <param name="date">Datum für Prüfung</param>
        /// <param name="minutes">Ablaufzeit in Minuten</param>
        /// <returns>Anzahl bestätigt</returns>
        public async Task<int> ConfirmCompletedReminderAsync(DateTimeOffset date, int minutes)
        {
            var pushNotificationService = (IPushNotificationService)_serviceProvider.GetService(typeof(IPushNotificationService));

            var compareDateLower = date.AddMinutes(-minutes - 1);
            var compareDateUpper = date.AddMinutes(-minutes);
            
            var walks = await Repository.FindAsync(c => c.Status == WalkStatus.Completed && c.Deleted == false && c.PaymentStatus == PaymentStatus.Authorized && c.Completed >= compareDateLower && c.Completed <= compareDateUpper).ConfigureAwait(false);
            foreach (var walk in walks)
            {
                await pushNotificationService.SendWalkCompletedReminderAsync(walk.DogOwnerId, walk.Id);
            }

            return walks.Count();
        }

        /// <summary>
        /// Storniert Liste von Walks zurück, welche für 2 App-User in Beziehung stehen wenn eine Blockierung stattgefunden hat.
        /// Wird bidirektional gesucht, da nicht immer sichergestellt ist, dass einer Walker und einer Owner ist.
        /// Es werden nur Walks im Status Requested oder Accepted berücksichtigt
        /// </summary>
        /// <param name="blockingAppUserId">Id des App-Users der blockiert hat</param>
        /// <param name="blockedAppUserId">Id des App-Users der blockiert wurde</param>
        /// <returns>Anzahl stornierte Walks</returns>
        public async Task<int> CancelWalksForBlockAsync(string blockingAppUserId, string blockedAppUserId)
        {
            var mangoPayService = (IMangoPayService)_serviceProvider.GetService(typeof(IMangoPayService));
            var systemMessageService = (ISystemMessageService)_serviceProvider.GetService(typeof(ISystemMessageService));
            var pushNotificationService = (IPushNotificationService)_serviceProvider.GetService(typeof(IPushNotificationService));

            var walks = await Repository.FindAsync(c => c.Status <= WalkStatus.Accepted && c.Deleted == false && ((c.DogOwnerId == blockingAppUserId && c.DogWalkerId == blockedAppUserId) || (c.DogOwnerId == blockedAppUserId && c.DogWalkerId == blockingAppUserId))).ConfigureAwait(false);

            foreach (var walk in walks)
            {
                walk.Status = WalkStatus.Cancelled;
                walk.UpdatedAt = DateTimeOffset.UtcNow;
                walk.CancelledBy = CancellationSource.GehGassi;
                walk.CancelledReason = "User blocked";

                //Jetzt noch wegen Zahlungsstatus prüfen
                if (walk.PaymentStatus == PaymentStatus.Paid || walk.PaymentStatus == PaymentStatus.Authorized)
                {
                    //Zurücküberweisen der Summe vom Transaktionskonto auf das Guthabenkonto
                    if (walk.Price > 0)
                    {
                        var ammount = (long)(walk.Price * 100);
                        var tag = $"Walk_Cancel_{walk.Id}";
                        var refundResult = await mangoPayService.TransferMoneyFromFeeToCreditAccountAsync(walk.DogOwnerId, ammount, tag);
                        if (refundResult.Success)
                            walk.PaymentStatus = PaymentStatus.Refunded;
                        else
                            walk.PaymentStatus = PaymentStatus.Voided;
                    }
                    else
                        walk.PaymentStatus = PaymentStatus.Voided;

                    await CommitAsync("System");

                    //Wallets aktualisieren
                    await mangoPayService.GetWalletBalanceAsync(walk.DogOwnerId, WalletType.Credits);
                    await mangoPayService.GetWalletBalanceAsync(walk.DogOwnerId, WalletType.Fees);

                    systemMessageService.Add(walk.DogOwnerId, AppUserType.DogOwner, walk.Id, SystemMessageTables.Walk, SystemMessageType.WalkCancelled, DateTimeOffset.UtcNow.AddDays(14));
                    systemMessageService.Add(walk.DogWalkerId, AppUserType.DogWalker, walk.Id, SystemMessageTables.Walk, SystemMessageType.WalkCancelled, DateTimeOffset.UtcNow.AddDays(14));
                    await systemMessageService.CommitAsync("System");

                    await pushNotificationService.SendWalkCancelledAsync(walk.DogOwnerId, walk.Id, AppMode.DogOwner);
                    await pushNotificationService.SendWalkCancelledAsync(walk.DogWalkerId, walk.Id, AppMode.DogWalker);
                }
            }

            return walks.Count();
        }

        /// <summary>
        /// Stornieren aller Walks eines Benutzers der gesperrt wurde.
        /// Wird bidirektional gesucht, da nicht immer sichergestellt ist, dass einer Walker und einer Owner ist.
        /// Es werden nur Walks im Status Requested oder Accepted berücksichtigt
        /// </summary>
        /// <param name="appUserId">Id des App-Users</param>
        /// <returns>Anzahl stornierte Walks</returns>
        public async Task<int> CancelWalksForLockedAsync(string appUserId)
        {
            var mangoPayService = (IMangoPayService)_serviceProvider.GetService(typeof(IMangoPayService));
            var systemMessageService = (ISystemMessageService)_serviceProvider.GetService(typeof(ISystemMessageService));
            var pushNotificationService = (IPushNotificationService)_serviceProvider.GetService(typeof(IPushNotificationService));

            var walks = await Repository.FindAsync(c => c.Status <= WalkStatus.Accepted && c.Deleted == false && (c.DogOwnerId == appUserId || c.DogWalkerId == appUserId)).ConfigureAwait(false);

            foreach (var walk in walks)
            {
                walk.Status = WalkStatus.Cancelled;
                walk.UpdatedAt = DateTimeOffset.UtcNow;
                walk.CancelledBy = CancellationSource.GehGassi;
                walk.CancelledReason = "User locked";

                //Jetzt noch wegen Zahlungsstatus prüfen
                if (walk.PaymentStatus == PaymentStatus.Paid || walk.PaymentStatus == PaymentStatus.Authorized)
                {
                    //Zurücküberweisen der Summe vom Transaktionskonto auf das Guthabenkonto
                    if (walk.Price > 0)
                    {
                        var ammount = (long)(walk.Price * 100);
                        var tag = $"Walk_Cancel_{walk.Id}";
                        var refundResult = await mangoPayService.TransferMoneyFromFeeToCreditAccountAsync(walk.DogOwnerId, ammount, tag);
                        if (refundResult.Success)
                            walk.PaymentStatus = PaymentStatus.Refunded;
                        else
                            walk.PaymentStatus = PaymentStatus.Voided;
                    }
                    else
                        walk.PaymentStatus = PaymentStatus.Voided;

                    await CommitAsync("System");

                    //Wallets aktualisieren
                    await mangoPayService.GetWalletBalanceAsync(walk.DogOwnerId, WalletType.Credits);
                    await mangoPayService.GetWalletBalanceAsync(walk.DogOwnerId, WalletType.Fees);
                    
                    //Es werden nur Nachrichten an den nicht gesperrten Benutzer gesendet
                    if(walk.DogOwnerId != appUserId)
                        systemMessageService.Add(walk.DogOwnerId, AppUserType.DogOwner, walk.Id, SystemMessageTables.Walk, SystemMessageType.WalkCancelled, DateTimeOffset.UtcNow.AddDays(14));
                    else
                        systemMessageService.Add(walk.DogWalkerId, AppUserType.DogWalker, walk.Id, SystemMessageTables.Walk, SystemMessageType.WalkCancelled, DateTimeOffset.UtcNow.AddDays(14));
                    await systemMessageService.CommitAsync("System");

                    if (walk.DogOwnerId != appUserId)
                        await pushNotificationService.SendWalkCancelledAsync(walk.DogOwnerId, walk.Id, AppMode.DogOwner);
                    else
                        await pushNotificationService.SendWalkCancelledAsync(walk.DogWalkerId, walk.Id, AppMode.DogWalker);
                }
            }

            return walks.Count();
        }

        /// <summary>
        /// Fügt die Verwendung eines Gutscheins zu einem Walk hinzu
        /// </summary>
        /// <param name="walkId">Id des Walks</param>
        /// <param name="voucherId">Id des Gutscheins</param>
        /// <param name="ammount">Verwendeter Gutscheinwert</param>
        /// <returns>true wenn erfolgreich, false sonst</returns>
        public async Task<bool> AddVoucherToWalk(string walkId, string voucherId, decimal ammount)
        {
            var walk = await Repository.FirstOrDefaultAsync(c => c.Id == walkId && c.Deleted == false).ConfigureAwait(false);
            if (walk != null)
            {
                walk.VoucherId = voucherId;
                walk.VoucherAmmount = ammount;
                return true;
            }

            return false;
        }

        /// <summary>
        /// Entfernt die Verwendung eines Gutscheins zu einem Walk
        /// </summary>
        /// <param name="walkId">Id des Walks</param>
        /// <param name="voucherId">Id des Gutscheins</param>
        /// <returns>true wenn erfolgreich, false sonst</returns>
        public async Task<bool> RemoveVoucherFromWalk(string walkId, string voucherId)
        {
            var walk = await Repository.FirstOrDefaultAsync(c => c.Id == walkId && c.Deleted == false).ConfigureAwait(false);
            if (walk != null && walk.VoucherId == voucherId)
            {
                walk.VoucherId = null;
                walk.VoucherAmmount = 0;
                return true;
            }

            return false;
        }

        /// <summary>
        /// Gibt die Anzahl von Walks für einen Dogwalker mit dem Status Bestätigt in einem bestimmten Zeitraum zurück
        /// </summary>
        /// <param name="dogWalkerId">Id des DogWalkers</param>
        /// <param name="startDate">StartDatum</param>
        /// <param name="endDate">Enddatum</param>
        /// <returns>Anzahl Walks</returns>
        public async Task<int> CountConfirmedByTimeRangeAsync(string dogWalkerId, DateTimeOffset startDate, DateTimeOffset endDate)
        {
            var count = await Repository.CountAsync(c => c.DogWalkerId == dogWalkerId && c.Confirmed >= startDate && c.Confirmed <= endDate && c.Status == WalkStatus.Confirmed && c.Deleted == false).ConfigureAwait(false);
            return count;
        }
    }
}