using BS.Shared.DataContracts;
using BS.Shared.DataContracts.GkvAbrechnung;
using BS.Shared.Exceptions;
using BS.Shared.Extensions;
using BS.Shared.Interface;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace BS.Shared.Core
{
	public static class ValidatorExtended
	{
		public static void ValidateGkvAbrechnung(IGkvAbrechnung gkvAbrechnung, IEnumerable<IInvoiceBase> invoiceBases, bool testInvoicesEmpty = true)
		{
			string error = null;

			if (testInvoicesEmpty && !invoiceBases.Any())
				error = "Keine Rechnungen gefunden";
			else if (!AreAllAddressSame(invoiceBases))
				error = "Unterschiedliche Rechnungspositionen";

			if(error is string)
				throw new GkvException(error, "Validierung");
		}

		public static bool TryValidateGkvAbrechnung(IGkvAbrechnung gkvAbrechnung, IEnumerable<IInvoiceBase> invoiceBases, bool testInvoicesEmpty = true)
		{
			try
			{
				ValidateGkvAbrechnung(gkvAbrechnung, invoiceBases, testInvoicesEmpty);
			}
			catch (Exception)
			{
				return false;
			}

			return true;
		}

		public static bool AreAllAddressSame(IEnumerable<IInvoiceBase> invoiceBases)
			=> invoiceBases.Select(x => x.SenderAddressToString()).AreAllTheSame();
	}
}