using Domain.Entities.Stocks;
using Domain.Entities.Stocks.ValueObject;
using Infrastructure.Persistence;
using CalendarHandler = Application.Features.Api.Stocks.GetDividendCalendar.Handler;
using CalendarQuery = Application.Features.Api.Stocks.GetDividendCalendar.Query;
using StockDivHandler = Application.Features.Api.Stocks.GetStockDividends.Handler;
using StockDivQuery = Application.Features.Api.Stocks.GetStockDividends.Query;

namespace Application.Tests;

[TestClass]
public sealed class SeibroDividendQueryHandlerTests
{
    [TestMethod]
    public async Task GetDividendCalendar_FiltersByPeriod_OrdersByRgtStdDtDesc()
    {
        // 기대 행위: from~to(RgtStdDt) 범위 필터 + 최신순 정렬. 범위 밖 일정은 제외.
        var custno = 700100 + Random.Shared.Next(1, 800);

        using var db = TestDb.Create();
        await db.DividendSchedule.AddAsync(DividendSchedule.Create(custno, "칼렌더종목", "103", "02", new DateOnly(2025, 3, 31), "2", "1", "1", null, null, new DateOnly(2025, 3, 27), false));
        await db.DividendSchedule.AddAsync(DividendSchedule.Create(custno, "칼렌더종목", "103", "02", new DateOnly(2025, 6, 30), "2", "3", "2", null, null, new DateOnly(2025, 6, 26), false));
        await db.DividendSchedule.AddAsync(DividendSchedule.Create(custno, "칼렌더종목", "103", "02", new DateOnly(2024, 12, 31), "2", "1", "1", null, null, new DateOnly(2024, 12, 27), false));
        await db.SaveChangesAsync(default);

        var handler = new CalendarHandler(db);

        var result = await handler.Handle(new CalendarQuery(new DateOnly(2025, 1, 1), new DateOnly(2025, 12, 31), 1, 20), default);

        Assert.IsTrue(result.IsSuccess);
        var mine = result.Value.List.Where(c => c.IssucoCustno == custno).ToList();
        Assert.AreEqual(2, mine.Count, "2024-12-31 은 범위 밖 → 제외");
        Assert.AreEqual(new DateOnly(2025, 6, 30), mine[0].RgtStdDt, "최신순");
        Assert.AreEqual(new DateOnly(2025, 6, 26), mine[0].XrgtDt);
        Assert.AreEqual("2", mine[0].FixType);
    }

    [TestMethod]
    public async Task GetStockDividends_ByShortCode_JoinsScheduleForXrgtDt()
    {
        // 기대 행위: 단축코드 → Stock.ISIN·IssucoCustno 로 Dividend(Isin) + DividendSchedule(권리락일/확정구분) 결합
        var custno = 700900 + Random.Shared.Next(1, 800);
        var code = $"71{Random.Shared.Next(1000, 9999)}";
        var isin = $"KR7{code}003"; // 12자 표준 ISIN (KR7 + 단축코드6 + 003)

        using var db = TestDb.Create();
        var stock = Stock.Create(code, "배당탭종목", StockMarket.KOSPI, new DateOnly(2020, 1, 2), isin: isin);
        stock.SetIssucoCustno(custno);
        await db.Stock.AddAsync(stock);
        await db.Dividend.AddAsync(Dividend.Create(isin, "배당탭종목", "보통주", new DateOnly(2024, 12, 31), 100m, 0m, 400m, 20000m, 1.8m, new DateOnly(2025, 4, 20), null, false, false, null, null, null, null));
        await db.DividendSchedule.AddAsync(DividendSchedule.Create(custno, "배당탭종목", "103", "02", new DateOnly(2024, 12, 31), "2", "1", "1", null, null, new DateOnly(2024, 12, 27), false));
        await db.SaveChangesAsync(default);

        var handler = new StockDivHandler(db);

        var result = await handler.Handle(new StockDivQuery(code, 1, 20), default);

        Assert.IsTrue(result.IsSuccess);
        Assert.AreEqual(isin, result.Value.Isin);
        Assert.AreEqual(1, result.Value.Total);

        var row = result.Value.List[0];
        Assert.AreEqual(20000m, row.CashPerShare);
        Assert.AreEqual(1.8m, row.MarketDividendRate);
        Assert.AreEqual(new DateOnly(2025, 4, 20), row.CashPayDate);
        Assert.AreEqual(new DateOnly(2024, 12, 27), row.XrgtDt, "DividendSchedule 권리락일 결합");
        Assert.AreEqual("1", row.FixType, "확정구분 결합");
    }

    [TestMethod]
    public async Task GetStockDividends_ByIsin_WhenNoStockRow()
    {
        // 기대 행위: 단축코드가 Stock 에 없으면 입력을 ISIN 으로 간주해 Dividend 조회 (권리락일은 회사번호 미상이라 null)
        var isin = $"US{Random.Shared.Next(100000, 999999)}0009";

        using var db = TestDb.Create();
        await db.Dividend.AddAsync(Dividend.Create(isin, "ISIN직접조회", "보통주", new DateOnly(2023, 12, 31), null, 0m, 300m, 15000m, 2.1m, null, null, null, null, null, null, null, null));
        await db.SaveChangesAsync(default);

        var handler = new StockDivHandler(db);

        var result = await handler.Handle(new StockDivQuery(isin, 1, 20), default);

        Assert.IsTrue(result.IsSuccess);
        Assert.AreEqual(isin, result.Value.Isin);
        Assert.AreEqual(1, result.Value.Total);
        Assert.IsNull(result.Value.List[0].XrgtDt, "Stock·회사번호 미상 → 권리락일 결합 불가");
    }
}