using Hcs.Client.Api.Payload.HouseManagement;
using Hcs.Client.Api.Request.Exception;
using Hcs.Client.Internal;
using Hcs.Service.Async.HouseManagement;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;

namespace Hcs.Client.Api.Request.HouseManagement
{
    internal class ImportSupplyResourceContractDataRequest(ClientBase client) : HouseManagementRequestBase(client)
    {
        protected override bool CanBeRestarted => false;

        internal async Task<getStateResultImportResultCommonResultImportSupplyResourceContract> ExecuteAsync(ImportSupplyResourceContractDataPayload payload, CancellationToken token)
        {
            var contract = new importSupplyResourceContractRequestContract
            {
                TransportGUID = Guid.NewGuid().ToString(),
                Item1 = GetContractFromPayload(payload)
            };

            // http://open-gkh.ru/HouseManagement/importSupplyResourceContractRequest.html
            var request = new importSupplyResourceContractRequest
            {
                Id = Constants.SIGNED_XML_ELEMENT_ID,
                version = "11.3.0.5",
                Contract = [contract]
            };

            var result = await SendAndWaitResultAsync(request, async asyncClient =>
            {
                var response = await asyncClient.importSupplyResourceContractDataAsync(CreateRequestHeader(), request);
                return response.AckRequest.Ack;
            }, token);

            result.Items.OfType<ErrorMessageType>().ToList().ForEach(error =>
            {
                throw RemoteException.CreateNew(error.ErrorCode, error.Description);
            });

            var importResults = result.Items.OfType<getStateResultImportResult>();
            var commonResults = GetCommonResults(importResults);
            foreach (var commonResult in commonResults)
            {
                if (commonResult.ItemElementName == ItemChoiceType26.ImportSupplyResourceContract)
                {
                    if (commonResult.Item is getStateResultImportResultCommonResultImportSupplyResourceContract importedContract)
                    {
                        return importedContract;
                    }
                }
            }

            return null;
        }

        private SupplyResourceContractType GetContractFromPayload(ImportSupplyResourceContractDataPayload payload)
        {
            var contract = new SupplyResourceContractType();

            if (payload.isContract)
            {
                var isContract = new SupplyResourceContractTypeIsContract()
                {
                    ContractNumber = payload.contractNumber,
                    SigningDate = payload.signingDate,
                    EffectiveDate = payload.effectiveDate
                };
                contract.Item = isContract;
            }
            else
            {
                var isNotContract = new SupplyResourceContractTypeIsNotContract()
                {
                    ContractNumber = payload.contractNumber,
                    SigningDate = payload.signingDate,
                    EffectiveDate = payload.effectiveDate
                };
                contract.Item = isNotContract;
            }

            var items = new List<object>();
            var itemsElementName = new List<ItemsChoiceType9>();
            if (payload.indefiniteTerm.HasValue)
            {
                items.Add(payload.indefiniteTerm.Value);
                itemsElementName.Add(ItemsChoiceType9.IndefiniteTerm);
            }
            if (payload.automaticRollOverOneYear.HasValue)
            {
                items.Add(payload.automaticRollOverOneYear.Value);
                itemsElementName.Add(ItemsChoiceType9.AutomaticRollOverOneYear);

                if (!payload.comptetionDate.HasValue)
                {
                    throw new InvalidOperationException("comptetionDate is empty");
                }

                items.Add(payload.comptetionDate.Value);
                itemsElementName.Add(ItemsChoiceType9.ComptetionDate);
            }
            if (items.Count > 0 && itemsElementName.Count > 0)
            {
                contract.Items = [.. items];
                contract.ItemsElementName = [.. itemsElementName];
            }

            if (payload.period != null)
            {
                contract.Period = payload.period;
            }

            if (payload.indicationsAnyDay.HasValue)
            {
                contract.IndicationsAnyDay = payload.indicationsAnyDay.Value;
                contract.IndicationsAnyDaySpecified = true;
            }

            if (payload.contractBase != null && payload.contractBase.Length > 0)
            {
                contract.ContractBase = payload.contractBase;
            }

            contract.Item1 = payload.counterparty;
            contract.IsPlannedVolume = payload.isPlannedVolume;

            if (payload.plannedVolumeType.HasValue)
            {
                contract.PlannedVolumeType = payload.plannedVolumeType.Value;
                contract.PlannedVolumeTypeSpecified = true;
            }

            contract.ContractSubject = payload.contractSubject;

            if (payload.countingResource.HasValue)
            {
                contract.CountingResource = payload.countingResource.Value;
                contract.CountingResourceSpecified = true;
            }

            contract.SpecifyingQualityIndicators = payload.specifyingQualityIndicators;

            if (payload.noConnectionToWaterSupply.HasValue)
            {
                contract.NoConnectionToWaterSupply = payload.noConnectionToWaterSupply.Value;
                contract.NoConnectionToWaterSupplySpecified = true;
            }

            contract.ObjectAddress = payload.objectAddress;
            contract.Quality = payload.quality;
            contract.OtherQualityIndicator = payload.otherQualityIndicator;
            contract.TemperatureChart = payload.temperatureChart;
            contract.BillingDate = payload.billingDate;
            contract.PaymentDate = payload.paymentDate;
            contract.ProvidingInformationDate = payload.providingInformationDate;

            if (payload.meteringDeviceInformation.HasValue)
            {
                contract.MeteringDeviceInformation = payload.meteringDeviceInformation.Value;
                contract.MeteringDeviceInformationSpecified = true;
            }

            if (payload.volumeDepends.HasValue)
            {
                contract.VolumeDepends = payload.volumeDepends.Value;
                contract.VolumeDependsSpecified = true;
            }

            if (payload.oneTimePayment.HasValue)
            {
                contract.OneTimePayment = payload.oneTimePayment.Value;
                contract.OneTimePaymentSpecified = true;
            }

            if (payload.accrualProcedure.HasValue)
            {
                contract.AccrualProcedure = payload.accrualProcedure.Value;
                contract.AccrualProcedureSpecified = true;
            }

            contract.Tariff = payload.tariff;
            contract.Norm = payload.norm;

            return contract;
        }

        private getStateResultImportResultCommonResult[] GetCommonResults(IEnumerable<getStateResultImportResult> importResults)
        {
            var result = new List<getStateResultImportResultCommonResult>();
            foreach (var importResult in importResults)
            {
                importResult.Items.OfType<ErrorMessageType>().ToList().ForEach(error =>
                {
                    throw RemoteException.CreateNew(error.ErrorCode, error.Description);
                });

                var commonResults = importResult.Items.OfType<getStateResultImportResultCommonResult>();
                foreach (var commonResult in commonResults)
                {
                    commonResult.Items.OfType<CommonResultTypeError>().ToList().ForEach(error =>
                    {
                        throw RemoteException.CreateNew(error.ErrorCode, error.Description);
                    });
                }

                result.AddRange(commonResults);
            }
            return [.. result];
        }
    }
}