using YLErp.Configuration;
using YLErp.DBModels;
using YLErp.Modules.TradeModule.DocGenerateModule;

namespace YLErp.UnitTestProject.Modules.TradeModule.DocGenerateModule
{
    [TestClass]
    public class GuolianContractNoGeneratorTest
    {
        [TestMethod]
        public void IsGuolianSwapTrade_OnlyMatchesGuolianSwap()
        {
            var swapTrade = CreateSwapTrade();

            Assert.IsTrue(GuolianContractNoGenerator.IsGuolianSwapTrade(swapTrade, CompanyEnum.国联));
            Assert.IsFalse(GuolianContractNoGenerator.IsGuolianSwapTrade(
                new trade { TradeType = "香草期权" }, CompanyEnum.国联));
            Assert.IsFalse(GuolianContractNoGenerator.IsGuolianSwapTrade(swapTrade, CompanyEnum.国泰君安));
        }

        [TestMethod]
        public void ShouldGenerateTradeNumberAfterSave_OnlyGeneratesForBlankTradeNumber()
        {
            var blankTrade = CreateSwapTrade();
            var manualTrade = CreateSwapTrade();
            manualTrade.TradeNumber = "MANUAL-001";

            Assert.IsTrue(GuolianContractNoGenerator.ShouldGenerateTradeNumberAfterSave(
                blankTrade, CompanyEnum.国联));
            Assert.IsFalse(GuolianContractNoGenerator.ShouldGenerateTradeNumberAfterSave(
                manualTrade, CompanyEnum.国联));
            Assert.IsFalse(GuolianContractNoGenerator.ShouldGenerateTradeNumberAfterSave(
                blankTrade, CompanyEnum.国泰君安));
        }

        [TestMethod]
        public void BuildTradeNumber_ClientTrade_UsesNumericSequenceAndSanitizesUnderlyingCode()
        {
            var trade = CreateSwapTrade();
            trade.OpponentRole = "甲方";
            trade.TradeDate = new DateTime(2026, 7, 24);
            trade.UnderlyingCode = "250210.IB";

            var number = GuolianContractNoGenerator.BuildTradeNumber(trade, "IS", 3);

            Assert.AreEqual("GLMS-IS-20260724-FICC-03-250210IB", number);
        }

        [DataTestMethod]
        [DataRow(1, "A")]
        [DataRow(26, "Z")]
        [DataRow(27, "AA")]
        public void BuildTradeNumber_NonClientTrade_UsesLetterSequence(int sequenceNo, string sequenceCode)
        {
            var trade = CreateSwapTrade();
            trade.OpponentRole = "乙方";
            trade.TradeDate = new DateTime(2026, 7, 24);
            trade.UnderlyingCode = "180205.IB";

            var number = GuolianContractNoGenerator.BuildTradeNumber(trade, "glmscounter", sequenceNo);

            Assert.AreEqual($"GLMS-glmscounter-20260724-FICC-{sequenceCode}-180205IB", number);
        }

        private static trade CreateSwapTrade()
        {
            return new trade { TradeType = "收益互换" };
        }
    }
}