using Infrastructure.StockData;

namespace Application.Tests;

[TestClass]
public sealed class SeibroDivInfoParserTests
{
    [TestMethod]
    public void Parse_FromSampleXml_MapsFields_AndNoIssucoCustno()
    {
        // SEIBro getDivInfo 실응답 fixture (삼성전자/삼성전자1우) — 18행. ISSUCO_CUSTNO 는 응답에 없어 Isin 으로만 조인.
        var rows = SeibroDivInfoParser.Parse(SeibroXml.Parse(SeibroFixtures.Read("getDivInfo.xml")));

        Assert.AreEqual(18, rows.Count);

        var first = rows.Single(c => c.Isin == "KR7005930003" && c.RgtStdDt == new DateOnly(2016, 12, 31));
        Assert.AreEqual("삼성전자", first.KorSecnNm);
        Assert.AreEqual("보통주", first.SecnKacdNm);
        Assert.AreEqual(100m, first.Pval, "액면가 PVAL");
        Assert.AreEqual(0m, first.StkAllocRatio, "주식배정비율 0 (현금배당)");
        Assert.AreEqual(550m, first.CashAllocRatio);
        Assert.AreEqual(27500m, first.CashAllocAmt, "1주당 현금배당금");
        Assert.AreEqual(1.53m, first.MartpDivRate, "시가배당율");
        Assert.AreEqual(new DateOnly(2017, 4, 24), first.Th1PayTermBeginDt, "배당지급일 — 스펙·샘플 모두 존재");
        Assert.IsNull(first.DeliDt, "DELI_DT value=\"\" → null");
        Assert.IsFalse(first.MajshrEtcDiffAllocYn!.Value, "MAJSHR_ETC_DIFF_ALOC_YN=N");
        Assert.IsTrue(first.TstkNoagnYn!.Value, "TSTK_NOAGN_YN=Y");
    }

    [TestMethod]
    public void Parse_DifferentialDividendFields_Null_WhenEmpty()
    {
        // 기대 행위: 차등배당 4필드(CASH_DIFF_*, STK_DIFF_*, MARTP_DIFF_*)는 무차등 종목에서 빈값 → null
        var rows = SeibroDivInfoParser.Parse(SeibroXml.Parse(SeibroFixtures.Read("getDivInfo.xml")));

        var row = rows[0];
        Assert.IsNull(row.CashDiffDiviAmt);
        Assert.IsNull(row.CashDiffDiviRate);
        Assert.IsNull(row.StkDiffDiviRate);
        Assert.IsNull(row.MartpDiffDiviRate);
    }

    [TestMethod]
    public void Parse_FractionalRate_WithLeadingDot()
    {
        // 기대 행위: ".34" 같은 소수점 선행 표기도 decimal 파싱 (0.34)
        const string xml = """
        <vector result="1">
        <data vectorkey="0" type="Document"><result>
        <ISIN value="KR7005930003"/>
        <KOR_SECN_NM value="삼성전자"/>
        <RGT_STD_DT value="20170331"/>
        <MARTP_DIV_RATE value=".34"/>
        <CASH_DIFF_DIVI_RATE value="1.5"/>
        </result></data>
        </vector>
        """;

        var rows = SeibroDivInfoParser.Parse(SeibroXml.Parse(xml));

        Assert.AreEqual(0.34m, rows[0].MartpDivRate);
        Assert.AreEqual(1.5m, rows[0].CashDiffDiviRate, "차등배당 있는 종목은 값 파싱");
    }
}