ANTOOZA-BACKEND/Domain/Entities/Stocks/ListingChangeEvent.cs

using System.ComponentModel.DataAnnotations;

namespace Domain.Entities.Stocks;

/// <summary>
/// SEIBro 주식 상장(유통형태 변경) 정보 (getStkListInfo) — 예탁지정·상장 유통형태 변경 이벤트 (Wave 2).
/// 월 윈도우(ALT_BEGIN_DT~ALT_EXPRY_DT 최대 1개월/콜) 스윕 후 window(적용일 범위) delete+insert 로 반영한다.
/// 유통형태 코드(BFALT/AFALT_CIRCL_FORM)는 코드 원문 문자열로 저장 — [110]유가 [211]예탁지정 [230]보호예수 등.
/// </summary>
public class ListingChangeEvent
{
    [Key]
    public int ID { get; private set; }

    /// <summary>발행회사 고객번호 (ISSUCO_CUSTNO)</summary>
    public int? IssucoCustno { get; private set; }

    /// <summary>종목코드 (ISIN)</summary>
    public string Isin { get; private set; } = default!;

    /// <summary>단축코드 (SHOTN_ISIN)</summary>
    public string ShotnIsin { get; private set; } = default!;

    /// <summary>종목명 (KOR_SECN_NM)</summary>
    public string KorSecnNm { get; private set; } = default!;

    /// <summary>변경전 유통형태 (BFALT_CIRCL_FORM) — 코드 원문. 미제공 null</summary>
    public string? BfaltCirclForm { get; private set; }

    /// <summary>변경후 유통형태 (AFALT_CIRCL_FORM) — 코드 원문</summary>
    public string? AfaltCirclForm { get; private set; }

    /// <summary>변경(적용)일자 (APLI_DT)</summary>
    public DateOnly ApliDt { get; private set; }

    public DateTime UpdatedAt { get; private set; } = DateTime.UtcNow;

    private ListingChangeEvent() { }

    public static ListingChangeEvent Create(
        int? issucoCustno,
        string isin,
        string shotnIsin,
        string korSecnNm,
        string? bfaltCirclForm,
        string? afaltCirclForm,
        DateOnly apliDt)
    {
        if (string.IsNullOrWhiteSpace(isin))
        {
            throw new ArgumentException("isin required", nameof(isin));
        }

        if (string.IsNullOrWhiteSpace(shotnIsin))
        {
            throw new ArgumentException("shotnIsin required", nameof(shotnIsin));
        }

        if (string.IsNullOrWhiteSpace(korSecnNm))
        {
            throw new ArgumentException("korSecnNm required", nameof(korSecnNm));
        }

        return new ListingChangeEvent
        {
            IssucoCustno = issucoCustno,
            Isin = isin.Trim(),
            ShotnIsin = shotnIsin.Trim(),
            KorSecnNm = korSecnNm.Trim(),
            BfaltCirclForm = string.IsNullOrWhiteSpace(bfaltCirclForm) ? null : bfaltCirclForm.Trim(),
            AfaltCirclForm = string.IsNullOrWhiteSpace(afaltCirclForm) ? null : afaltCirclForm.Trim(),
            ApliDt = apliDt
        };
    }
}