using Centron.BusinessLogic;
using Centron.BusinessLogic.Sales.Receipts.ArticleSearch;
using Centron.BusinessLogic.Sales.Receipts.Internal;
using Centron.BusinessLogic.Warehousing;
using Centron.Tests.EndToEnd.Infrastructure;
using Xunit;
using Xunit.Abstractions;

namespace Centron.Tests.EndToEnd.TicketTests.Ticket103420
{
    public class Ticket103420Test : EndToEndTest
    {
        public const int CurrencyFactorArticleI3D = 4363;
        public const int ControlGroupArticleI3D = 4350;

        public Ticket103420Test(ITestOutputHelper testOutputHelper) 
            : base(testOutputHelper)
        {
        }

        public override void Execute()
        {
            this.PrepareDatabase();

            // Alright, in the database is article 4363 with
            // - currency-factor 1.0
            // - currency-factor country 2 (belgium)
            // - purchase-price and sell-price of 150

            // And country 2 (belgium) with currency-factor right now of 1.5

            // That means, if we now calculate this articles prices, we should get
            // CurrentPrice = Price * Article.CurrencyFactor / Country.CurrencyFactor
            // 100 € = 150 € * 1.0 / 1.5

            // The control group article 4350 has the same prices, but still currency-factor country 1

            this.ValidatePrices(CurrencyFactorArticleI3D, expectedPrice: 100m);
            this.ValidatePrices(ControlGroupArticleI3D,   expectedPrice: 150m);
        }

        private void PrepareDatabase()
        {
            this.Sql($"UPDATE dbo.ARTIK SET FremdwaehrungLandI3D = 2, VK_1 = 150, VK_2 = 150, VK_3 = 150, VK_4 = 150, EK = 150 WHERE I3D = {CurrencyFactorArticleI3D}");
            this.Sql($"UPDATE dbo.ARTIK SET VK_1 = 150, VK_2 = 150, VK_3 = 150, VK_4 = 150, EK = 150 WHERE I3D = {ControlGroupArticleI3D}");

            this.Sql($"UPDATE dbo.Laenkenn SET KursZuEur = 1.5 WHERE I3D = 2");
        }

        private void ValidatePrices(int articleI3D, decimal expectedPrice)
        {
            using (var session = new BLSession())
            {
                var article = session.GetBL<ArticleBL>().GetArticleByI3D(articleI3D);
                var searchedArticle = session.GetBL<ArticleSearchBL>().GetSearchedArticle(isExternalArticle: false, articleI3D, calculatePrices: false);

                var articlePurchasePrice = session.GetBL<ReceiptItemPriceBL>().GetPurchaseBasePrice(article, warehouseI3D: null, specialAgreement: null);
                var searchedArticlePurchasePrice = session.GetBL<ReceiptItemPriceBL>().GetPurchaseBasePrice(searchedArticle, warehouseI3D: null, specialAgreement: null);
                Assert.Equal(expectedPrice, articlePurchasePrice);
                Assert.Equal(expectedPrice, searchedArticlePurchasePrice);

                var (articlePrice, _) = session.GetBL<ReceiptItemPriceBL>().GetBasePrice(articlePurchasePrice, article);
                var (searchedArticlePrice, _) = session.GetBL<ReceiptItemPriceBL>().GetBasePrice(searchedArticlePurchasePrice, searchedArticle);
                Assert.Equal(expectedPrice, articlePrice);
                Assert.Equal(expectedPrice, searchedArticlePrice);
            }
        }
    }
}