using System;
using System.Collections.Generic;
using System.Linq;

using BeWo.Data.Access;
using BeWo.Data.Entities;
using BeWo.Service.Core;
using BeWo.Service.DCEntityMapper;

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

namespace BeWo.Service.Plugins
{
	public class AccountingService : AbstractIDSpecificDefaultClass<AccountingService>
	{

	    public virtual List<InvoiceBaseDC> GetInvoiceBases(DateTime? startDate, DateTime? endDate)
        {
            DateTime? end = endDate;
            if (end.HasValue)
            {
                end = end.Value.Date.AddDays(1).AddTicks(-1);
            }
            var list = DAOFactory.SearchDAO.GetInvoiceBases(startDate, end);

            return MapperFactory.InvoiceBaseDC_InvoiceBase.MapToNewDCs(list);
        }

	    public virtual void DeactivateInvoiceBases(List<InvoiceBaseDC> invoices)
	    {
	        ServiceLogic.SetActivationType<InvoiceBase>(invoices.ToDictionary(i => i.InvoiceBaseOid.Value, i => i.InvoiceBaseVersion.Value), ActivationTypeId.Deleted);
        }
        
        public virtual void DeactivateServiceInvoices(List<ServiceInvoiceDC> invoices)
	    {
	        ServiceLogic.SetActivationType<ServiceInvoice>(invoices.ToDictionary(i => i.ServiceInvoiceOid.Value, i => i.ServiceInvoiceVersion.Value), ActivationTypeId.Deleted);
	        ServiceLogic.SetActivationType<InvoiceBase>(invoices.ToDictionary(i => i.InvoiceBase.InvoiceBaseOid.Value, i => i.InvoiceBase.InvoiceBaseVersion.Value), ActivationTypeId.Deleted);
	    }

		public virtual void StorniereInvoiceBases(List<InvoiceBaseDC> invoices)
		{
            foreach (var item in invoices)
            {
				if (item.Type == InvoiceType.Service)
				{
					ErstelleStornoRechnung(item);
				}
                else if (item.Type == InvoiceType.Settlement)
                {
                    //ErstelleStornoSpitzabrechnung(item);
                }
                else 
				{
					ErstelleStornoAllgemeineRechnung(item);
				}



			}
		}

		public virtual InvoiceBase ErstelleStornoAllgemeineRechnung(InvoiceBaseDC ibdc)
		{
			InvoiceBase newInvoice = new InvoiceBase();

			var oldInvoice = DAOFactory.GenericDAO.LoadByID<InvoiceBase>(ibdc.InvoiceBaseOid.Value);

			CopyInvoiceBase(oldInvoice, newInvoice);
			SetzeStornoInfos(newInvoice);

			return newInvoice;
		}

		public virtual ServiceInvoice ErstelleStornoRechnung(InvoiceBaseDC ibdc)
	    {
			ServiceInvoice newInvoice = new ServiceInvoice();

			var serviceInvoice = DAOFactory.SearchDAO.GetServiceInvoiceByInvoiceBaseOid(ibdc.InvoiceBaseOid.Value);

			CopyServiceInvoice(serviceInvoice, newInvoice);
			SetzeStornoInfos(newInvoice);
			
            return newInvoice;
	    }

		//public virtual InvoiceBase ErstelleStornoSpitzabrechnung(InvoiceBaseDC ibdc)
		//{
		//	InvoiceBase newInvoice = new InvoiceBase();

		//	var oldInvoice = DAOFactory.GenericDAO.LoadByID<InvoiceBase>(ibdc.InvoiceBaseOid.Value);

		//	CopyInvoiceBase(oldInvoice, newInvoice);
		//	SetzeStornoInfos(newInvoice);

		//	return newInvoice;
		//}

		public virtual ServiceInvoice ErstelleStornoRechnung(ServiceInvoiceDC sidc)
	    {
	        ServiceInvoice newInvoice = new ServiceInvoice();

	        var serviceInvoice = DAOFactory.GenericDAO.LoadByID<ServiceInvoice>(sidc.ServiceInvoiceOid.Value);

	        CopyServiceInvoice(serviceInvoice, newInvoice);
	        SetzeStornoInfos(newInvoice);

	        return newInvoice;
        }

		public virtual void SetzeStornoInfos(InvoiceBase newInvoice)
		{
			foreach (var ii in newInvoice.InvoiceItems)
			{
				if (ii.AmountTotal.HasValue)
				{
					ii.AmountTotal *= -1;
				}

				if (ii.GrossAmountTotal.HasValue)
				{
					ii.GrossAmountTotal *= -1;
				}
			}
		}

		public virtual void SetzeStornoInfos(ServiceInvoice newInvoice)
	    {
	        foreach (var sip in newInvoice.ServiceInvoicePeriodList)
	        {
	            sip.HoursNotBillableAbsence = 0;
	            sip.HoursNotBillableNotApproved = 0;
	            if (sip.Claim.HasValue)
	            {
	                sip.Claim *= -1;
	            }

	            foreach (var ii in sip.InvoiceItemList)
	            {
	                if (ii.AmountTotal.HasValue)
	                {
	                    ii.AmountTotal *= -1;
	                }

	                if (ii.GrossAmountTotal.HasValue)
	                {
	                    ii.GrossAmountTotal *= -1;
                    }
	            }
	        }
	    }

	    private void CopyServiceInvoice(ServiceInvoice existingInvoice, ServiceInvoice copyInvoice)
	    {
	        copyInvoice.AmountAdvancePayments = existingInvoice.AmountAdvancePayments;
	        copyInvoice.AmountEquityContribution = existingInvoice.AmountEquityContribution;
	        copyInvoice.ServiceUnitOid = existingInvoice.ServiceUnitOid;
			

			CopyInvoiceBase(existingInvoice.InvoiceBase, copyInvoice.InvoiceBase);

	        foreach (var sip in existingInvoice.ServiceInvoicePeriodList)
	        {
	            var copySip = new ServiceInvoicePeriod();
	            copyInvoice.ServiceInvoicePeriodList.Add(copySip);

	            CopyServiceInvoicePeriod(sip, copySip);
	        }
        }
		//private void CopySettlementInvoice(SettlementInvoice existingInvoice, SettlementInvoice copyInvoice)
	 //   {
	         
		//	CopyInvoiceBase(existingInvoice.InvoiceBase, copyInvoice.InvoiceBase);

	       
  //      }

	    private void CopyInvoiceBase(InvoiceBase existing, InvoiceBase copy)
	    {
	        copy.AccountingPeriodEnd = existing.AccountingPeriodEnd;
	        copy.AccountingPeriodStart = existing.AccountingPeriodStart;
	        copy.CostBearer2SupportConcept = existing.CostBearer2SupportConcept;
	        copy.CreatorFirstName = existing.CreatorFirstName;
	        copy.CreatorLastName = existing.CreatorLastName;
	        copy.CustomerReferenceNumber = existing.CustomerReferenceNumber;
	        copy.DueDate = existing.DueDate;
	        copy.DunningLetterCount = existing.DunningLetterCount;
	        copy.InvoiceDate = existing.InvoiceDate;
	        copy.InvoiceId = existing.InvoiceId;
	        copy.InvoiceNumber = existing.InvoiceNumber;
	        copy.InvoiceTitle = existing.InvoiceTitle;
	        copy.InvoiceTypeText = existing.InvoiceTypeText;
	        copy.IsPaid = existing.IsPaid;
	        copy.IsPrinted = existing.IsPrinted;
	        copy.RecipientCostBearerOid = existing.RecipientCostBearerOid;
	        copy.RecipientCustomerOid = existing.RecipientCustomerOid;
	        copy.RecipientDivision = existing.RecipientDivision;
	        copy.RecipientOrganisation = existing.RecipientOrganisation;
	        copy.RecipientOrganisationOid = existing.RecipientOrganisationOid;
	        copy.RecipientPersonFirstName = existing.RecipientPersonFirstName;
	        copy.RecipientPersonLastName = existing.RecipientPersonLastName;
	        copy.RecipientPersonOid = existing.RecipientPersonOid;
	        copy.SenderDivision = existing.SenderDivision;
	        copy.SenderFirstName = existing.SenderFirstName;
	        copy.SenderLastName = existing.SenderLastName;
	        copy.SenderOrganisation = existing.SenderOrganisation;
	        copy.SupportConceptOid = existing.SupportConceptOid;
	        copy.Type = existing.Type;
	        copy.XMLData = existing.XMLData;

	        foreach (var ii in existing.InvoiceItems)
	        {
	            var copyItem = new InvoiceItem();
	            copy.InvoiceItems.Add(copyItem);

	            CopyInvoiceItem(ii, copyItem);
                
	        }

	        if (existing.RecipientAddress != null)
	        {
	            copy.RecipientAddress = CreateCopyAddress(existing.RecipientAddress);
	        }

	        if (existing.RecipientContacts != null)
	        {
                copy.RecipientContacts = new List<Contact>();
	            foreach (var existingContact in existing.RecipientContacts)
	            {
	                copy.RecipientContacts.Add(CreateCopyContact(existingContact));
	            }
	        }

	        if (existing.SenderAddress != null)
	        {
	            copy.SenderAddress = existing.SenderAddress;
	        }

	        if (existing.SenderContacts != null)
	        {
	            copy.SenderContacts = new List<Contact>();
	            foreach (var existingContact in existing.SenderContacts)
	            {
	                copy.SenderContacts.Add(CreateCopyContact(existingContact));
	            }
	        }
            
        }

	    private Contact CreateCopyContact(Contact existingContact)
	    {
	        Contact newContact = new Contact();
	        newContact.Value = existingContact.Value;
	        newContact.Type = existingContact.Type;

	        return newContact;
	    }

	    private Address CreateCopyAddress(Address address)
	    {
	        Address newAddress = new Address();
	        newAddress.AddressLine1 = address.AddressLine1;
	        newAddress.AddressLine2 = address.AddressLine2;
	        newAddress.Country = address.Country;
	        newAddress.PostalCode = address.PostalCode;
	        newAddress.State = address.State;
	        newAddress.Street = address.Street;
	        newAddress.Town = address.Town;
	        
	        return newAddress;
	    }

	    private void CopyServiceInvoicePeriod(ServiceInvoicePeriod existingSip, ServiceInvoicePeriod copySip)
	    {
	        copySip.AccountingInterval = existingSip.AccountingInterval;
	        copySip.ApprovedAmountDefaultHourlyRate = existingSip.ApprovedAmountDefaultHourlyRate;
	        copySip.ApprovedBE = existingSip.ApprovedBE;
	        copySip.ApprovedFixedAmount = existingSip.ApprovedFixedAmount;
	        copySip.ApprovedHours = existingSip.ApprovedHours;
	        copySip.Claim = existingSip.Claim;
	        copySip.End = existingSip.End;
	        copySip.HoursNotBillableAbsence = existingSip.HoursNotBillableAbsence;
	        copySip.HoursNotBillableNotApproved = existingSip.HoursNotBillableNotApproved;
	        copySip.ServiceUnitName = existingSip.ServiceUnitName;
	        copySip.Start = existingSip.Start;
	        copySip.Notice = existingSip.Notice;

            copySip.Customer = existingSip.Customer;
            copySip.SupportConceptApprovalPeriod = existingSip.SupportConceptApprovalPeriod;

	        foreach (var ii in existingSip.InvoiceItemList)
	        {
	            var copyItem = new InvoiceItem();
	            copySip.InvoiceItemList.Add(copyItem);

	            CopyInvoiceItem(ii, copyItem);
	        }
	        
        }

	    private void CopyInvoiceItem(InvoiceItem existingItem, InvoiceItem copyItem)
	    {
	        copyItem.AccountingInterval = existingItem.AccountingInterval;
	        copyItem.AmountPerUnit = existingItem.AmountPerUnit;
	        copyItem.AmountTotal = existingItem.AmountTotal;
	        copyItem.ApprovalUnit = existingItem.AccountingInterval;
	        copyItem.ApprovedPerUnit = existingItem.ApprovedPerUnit;
	        copyItem.GrossAmountTotal = existingItem.GrossAmountTotal;
	        copyItem.ItemDescription = existingItem.ItemDescription;
	        copyItem.ItemPeriodEnd = existingItem.ItemPeriodEnd;
	        copyItem.ItemPeriodStart = existingItem.ItemPeriodStart;
	        copyItem.MaxApprovedAmount = existingItem.MaxApprovedAmount;
	        copyItem.MaxApprovedUnitCount = existingItem.MaxApprovedUnitCount;
	        copyItem.RateFactor = existingItem.RateFactor;
	        copyItem.ReceivedAmount = existingItem.ReceivedAmount;
	        copyItem.SupportConceptApprovalPeriodOid = existingItem.SupportConceptApprovalPeriodOid;
	        copyItem.UnitCount = existingItem.UnitCount;
	        copyItem.UnitDescription = existingItem.UnitDescription;
	        copyItem.Notice = existingItem.Notice;

            copyItem.ServiceRecord = existingItem.ServiceRecord;
        }
	}
}