using Dlhis.Basic.Organization.Services.Implements;
using Dlhis.Jip.Api.Dto;

namespace Dlhis.Basic.Organization.Comparers;

/// <summary>
/// 人员信息比较器
/// </summary>
public class SapPersonComparer : IEqualityComparer<SapPersonItem>
{
    private static string Normalize(string value) => value?.Trim() ?? string.Empty;

    private static string NormalizeIdNo(string value) => value?.TrimStart() ?? string.Empty;

    public bool Equals(SapPersonItem x, SapPersonItem y)
    {
        if (ReferenceEquals(x, y)) return true;
        if (ReferenceEquals(x, null)) return false;
        if (ReferenceEquals(y, null)) return false;

        return x.PERNR == y.PERNR
               && x.WERKS == y.WERKS
               && x.ORGEH == y.ORGEH
               && x.NAME == y.NAME
               && x.GBDAT == y.GBDAT
               && NormalizeIdNo(x.ZZ_SFZH) == NormalizeIdNo(y.ZZ_SFZH)
               && x.ZWORKCODE == y.ZWORKCODE
               && Normalize(x.ZMOBILE) == Normalize(y.ZMOBILE)
               && Normalize(x.ZSTATUS) == Normalize(y.ZSTATUS)
               && Normalize(x.KOSTL_XJ) == Normalize(y.KOSTL_XJ)
               && Normalize(x.NAME2) == Normalize(y.NAME2)
               && Normalize(x.ZZ_ZD) == Normalize(y.ZZ_ZD)
               && Normalize(x.Z_ZJ) == Normalize(y.Z_ZJ)
               && x.ZRZRQ == y.ZRZRQ
               && x.ZLZRQ == y.ZLZRQ
               // GainfoSapEntity only persists the position code in STELL using SAP.PLANS.
               // SAP.STELL is not stored, so comparing it here causes permanent false diffs.
               && Normalize(x.PLANS) == Normalize(y.PLANS)
               && Normalize(x.STELL_NM) == Normalize(y.STELL_NM)
               && Normalize(x.MASSN) == Normalize(y.MASSN)
               && Normalize(x.MNTXT) == Normalize(y.MNTXT)
               //&& (x.ZXUELI ?? string.Empty).Trim() == (y.ZXUELI ?? string.Empty).Trim()
               //&& (x.ZZ_KLX ?? string.Empty) == (y.ZZ_KLX ?? string.Empty)
               && Normalize(x.ZZ_GZDJD) == Normalize(y.ZZ_GZDJD)
               && Normalize(x.ZZ_GZDCQ) == Normalize(y.ZZ_GZDCQ)
            ;
    }

    public int GetHashCode(SapPersonItem obj)
    {
        var r = obj.PERNR.SafeGetHashCode()
                ^ obj.WERKS.SafeGetHashCode()
                ^ obj.ORGEH.SafeGetHashCode()
                ^ obj.NAME.SafeGetHashCode()
                ^ obj.GBDAT.SafeGetHashCode()
                ^ NormalizeIdNo(obj.ZZ_SFZH).SafeGetHashCode()
                ^ obj.ZWORKCODE.SafeGetHashCode()
                ^ Normalize(obj.ZMOBILE).SafeGetHashCode()
                ^ Normalize(obj.ZSTATUS).SafeGetHashCode()
                ^ Normalize(obj.KOSTL_XJ).SafeGetHashCode()
                ^ Normalize(obj.NAME2).SafeGetHashCode()
                ^ Normalize(obj.ZZ_ZD).SafeGetHashCode()
                ^ Normalize(obj.Z_ZJ).SafeGetHashCode()
                ^ obj.ZRZRQ.SafeGetHashCode()
                ^ obj.ZLZRQ.SafeGetHashCode()
                ^ Normalize(obj.PLANS).SafeGetHashCode()
                ^ Normalize(obj.STELL_NM).SafeGetHashCode()
                ^ Normalize(obj.MASSN).SafeGetHashCode()
                ^ Normalize(obj.MNTXT).SafeGetHashCode()
                //^ obj.ZXUELI.SafeGetHashCode()
                //^ obj.ZZ_KLX.SafeGetHashCode()
                ^ Normalize(obj.ZZ_GZDJD).SafeGetHashCode()
                ^ Normalize(obj.ZZ_GZDCQ).SafeGetHashCode()
            ;

        return r;
    }
}