using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using Centron.BusinessLogic;
using Centron.BusinessLogic.Sales.Receipts;
using Centron.BusinessLogic.WebServices.Sales.Receipts;
using Centron.BusinessLogic.WebServices.Sales.Receipts.ReceiptSearch;
using Centron.Data.WebServices.Sales.Receipts.ReceiptSearch;
using Centron.Interfaces;
using Centron.Interfaces.BL;
using Centron.Interfaces.Sales.Receipts.ReceiptSearch;
using Centron.Tests.EndToEnd.Infrastructure;
using Xunit.Abstractions;

namespace Centron.Tests.EndToEnd.Tests.ReceiptPrices
{
    public class ReceiptPricesTests : EndToEndTest
    {
        public ReceiptPricesTests(ITestOutputHelper testOutputHelper) 
            : base(testOutputHelper)
        {
        }

        public override void Execute()
        {
            // It seems a bit excessive to test all the receipts in the database
            // But it only takes 20 seconds, sooooo that's kinda easy
            // And I hope that we catch every edge case like that (okay, not with swiss-rounding, but still) 

            var allReceipts = this.GetAllReceiptsInDatabase()
                .Where(f => f.ObjectKind != (int)CentronObjectKindNumeric.SupplierOffer) //Gotta skip supplier-offers, we don't really support them anymore
                .OrderBy(f => f.ObjectKind)
                .ThenBy(f => f.Number);

            foreach (var receipt in allReceipts)
            {
                this.CalculatePrices((CentronObjectKindNumeric)receipt.ObjectKind, receipt.I3D);
            }
        }

        private IList<ReceiptSearchItemDTO> GetAllReceiptsInDatabase()
        {
            using var session = new BLSession();
            
            var allReceipts = session.GetBL<ReceiptSearchWebServiceBL>().SearchReceipts(
                this.GetLoggedInUser(), 
                new ReceiptSearchFilter
                {
                    IncludeClosedReceipts = true,
                },
                page: 1,
                int.MaxValue);

            return allReceipts.ThrowIfError().Result;
        }

        private void CalculatePrices(CentronObjectKindNumeric receiptKind, int receiptI3D)
        {
            using var session = new BLSession();
            
            var receipt = session.GetBL<ReceiptBL>().GetReceiptByI3D(receiptKind, receiptI3D);

            var prices = session.GetBL<ReceiptPriceHelperBL>().CalculateReceiptPrices(receipt);

            var pricesForVerifier = new
            {
                prices.NetPrice,
                prices.TaxPrice,
                prices.NetPriceFC,
                prices.TaxPriceFC,
                prices.NotDiscountableNetPriceFC,
                prices.NotDiscountableTaxPriceFC,
            };
            this.Verifier.Verify($"PricesFor_{receiptKind.GetReceiptShortName()}_{receiptI3D}", pricesForVerifier);
        }
    }
}