using System.ComponentModel.DataAnnotations;

namespace Domain.Entities.Stocks;

/// <summary>
/// SEIBro 의무보호예수/반환 정보 (getSafeDpDutyDepoStatus, 락업) — 예수/반환 일정·수량·사유 (Wave 2 ★P1).
/// 자연키 UNIQUE (IssucoCustno, ShotnIsin, SafedpDt, OccrSeq, DutySafedpRacd) — 한 종목·예수일에 사유가 여럿일 수 있어 사유코드까지 포함.
/// 수집은 조회기준일(BEGIN_DT) 날짜 스윕 후 window(스윕 창) delete+insert 로 반영한다.
/// ⚠️ 실응답의 SECN_KACD 는 코드(0101)가 아니라 종목종류명(보통주) 문자열이다(fixture 확인) — 문자열로 저장.
/// DUTY_SAFEDP_RACD 는 코드표가 크므로 코드 원문(문자열)으로 저장한다.
/// </summary>
public class LockupEvent
{
    [Key]
    public int ID { get; private set; }

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

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

    /// <summary>종목종류 (SECN_KACD — 실응답은 보통주/우선주… 명칭 문자열)</summary>
    public string? SecnKacd { get; private set; }

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

    /// <summary>시장구분 (MART_TPCD)</summary>
    public string? MartTpcd { get; private set; }

    /// <summary>업무구분 (OCCR_SEQ) — 1예수 2반환</summary>
    public string OccrSeq { get; private set; } = default!;

    /// <summary>의무보호예수일 (SAFEDP_DT)</summary>
    public DateOnly SafedpDt { get; private set; }

    /// <summary>예수주식수 (SAFEDP_QTY)</summary>
    public long? SafedpQty { get; private set; }

    /// <summary>보호예수사유코드 (DUTY_SAFEDP_RACD) — 코드 원문 문자열 (코드표 큼)</summary>
    public string DutySafedpRacd { get; private set; } = default!;

    /// <summary>반환일 (RETURN_DT)</summary>
    public DateOnly? ReturnDt { get; private set; }

    /// <summary>반환주식수 (RETURN_QTY)</summary>
    public long? ReturnQty { get; private set; }

    /// <summary>총발행주식수 (TOTAL_STK_CNT)</summary>
    public long? TotalStkCnt { get; private set; }

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

    private LockupEvent() { }

    public static LockupEvent Create(
        int issucoCustno,
        string korSecnNm,
        string? secnKacd,
        string shotnIsin,
        string? martTpcd,
        string occrSeq,
        DateOnly safedpDt,
        long? safedpQty,
        string dutySafedpRacd,
        DateOnly? returnDt,
        long? returnQty,
        long? totalStkCnt)
    {
        if (string.IsNullOrWhiteSpace(korSecnNm))
        {
            throw new ArgumentException("korSecnNm required", nameof(korSecnNm));
        }

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

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

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

        return new LockupEvent
        {
            IssucoCustno = issucoCustno,
            KorSecnNm = korSecnNm.Trim(),
            SecnKacd = string.IsNullOrWhiteSpace(secnKacd) ? null : secnKacd.Trim(),
            ShotnIsin = shotnIsin.Trim(),
            MartTpcd = string.IsNullOrWhiteSpace(martTpcd) ? null : martTpcd.Trim(),
            OccrSeq = occrSeq.Trim(),
            SafedpDt = safedpDt,
            SafedpQty = safedpQty,
            DutySafedpRacd = dutySafedpRacd.Trim(),
            ReturnDt = returnDt,
            ReturnQty = returnQty,
            TotalStkCnt = totalStkCnt
        };
    }
}