using System;
using System.IO;

namespace YLErp.Modules.EodModule
{
    [TestClass]
    public class BondPaymentListQueryBoundaryTest
    {
        [TestMethod]
        public void SearchList_OnlyQueriesBondPaymentTable()
        {
            var source = ReadBondPaymentServiceSource();
            var searchList = ExtractMethod(source, "public SearchListResult<BondPaymentDto> SearchList", "public BondPayment SaveBondPayment");

            Assert.IsFalse(
                searchList.Contains("ex_dividend_info", StringComparison.Ordinal),
                "债券付息列表只能查询 bond_payment_info，不能把公司行为除权表拼入展示结果。");
            StringAssert.Contains(searchList, "DbContext.bondPayment");
        }

        private static string ExtractMethod(string source, string startMarker, string endMarker)
        {
            var start = source.IndexOf(startMarker, StringComparison.Ordinal);
            Assert.IsTrue(start >= 0, $"Could not find method: {startMarker}");
            var end = source.IndexOf(endMarker, start + startMarker.Length, StringComparison.Ordinal);
            Assert.IsTrue(end >= 0, $"Could not find method end: {endMarker}");
            return source.Substring(start, end - start);
        }

        private static string ReadBondPaymentServiceSource()
        {
            var directory = new DirectoryInfo(AppContext.BaseDirectory);
            while (directory != null)
            {
                var path = Path.Combine(directory.FullName, "YLErpDAL", "Modules", "EodModule", "BondPaymentService.cs");
                if (File.Exists(path))
                {
                    return File.ReadAllText(path);
                }
                directory = directory.Parent;
            }

            Assert.Fail("Could not locate BondPaymentService.cs from the test output directory.");
            return string.Empty;
        }
    }
}