using System.Reflection;
using Admin.NET.Plugin.AiDOP.MaterialWarehouse.InventoryPosting.Entity;
using SqlSugar;
using Xunit;

namespace Admin.NET.Plugin.AiDOP.Tests.S5.MaterialWarehouse;

/// <summary>
/// Phase 2 结构级验证（反射，无 DB）：断言 L3 影子账实体的表名、复合唯一键维度、
/// tenant_id + domain_code 列、lot_serial/refs 空批次唯一语义（NOT NULL DEFAULT ''）、条码非唯一。
/// 复合唯一键维度全部据 Schema 实核（LIVE SP 真定义）确定，此测试把「唯一键契约」固化。
/// </summary>
public class AdoInventoryEntitiesStructureTests
{
    private static string TableName(Type t)
        => t.GetCustomAttribute<SugarTable>()?.TableName;

    private static SugarColumn Column(Type t, string prop)
        => t.GetProperty(prop)?.GetCustomAttribute<SugarColumn>();

    private static List<HashSet<string>> UniqueKeyPropSets(Type t)
        => t.GetCustomAttributes<SugarIndexAttribute>()
            .Where(ix => ix.IsUnique)
            .Select(ix => new HashSet<string>(ix.IndexFields.Keys))
            .ToList();

    private static bool HasUniqueKey(Type t, params string[] props)
    {
        var want = new HashSet<string>(props);
        return UniqueKeyPropSets(t).Any(s => s.SetEquals(want));
    }

    private static bool AnyUniqueContains(Type t, string prop)
        => UniqueKeyPropSets(t).Any(s => s.Contains(prop));

    [Theory]
    [InlineData(typeof(AdoInventoryMaster), "ado_inventory_master")]
    [InlineData(typeof(AdoInventoryLocationDetail), "ado_inventory_location_detail")]
    [InlineData(typeof(AdoInventoryTransaction), "ado_inventory_transaction")]
    [InlineData(typeof(AdoBarcodeCard), "ado_barcode_card")]
    [InlineData(typeof(AdoBarcodeCardTransaction), "ado_barcode_card_transaction")]
    [InlineData(typeof(AdoIqcInventoryPosting), "ado_iqc_inventory_posting")]
    public void Entity_HasExpectedDopOwnedTableName(Type t, string expected)
    {
        var name = TableName(t);
        Assert.Equal(expected, name);
        // DOP-owned 前缀，且不得与旧 WMS 表同名
        Assert.StartsWith("ado_", name);
        Assert.DoesNotContain(name, new[] { "InvMaster", "LocationDetail", "InvTransHist", "MissedPrint" });
    }

    [Theory]
    [InlineData(typeof(AdoInventoryMaster))]
    [InlineData(typeof(AdoInventoryLocationDetail))]
    [InlineData(typeof(AdoInventoryTransaction))]
    [InlineData(typeof(AdoBarcodeCard))]
    [InlineData(typeof(AdoBarcodeCardTransaction))]
    [InlineData(typeof(AdoIqcInventoryPosting))]
    public void Entity_HasExplicitTenantAndDomainColumns(Type t)
    {
        Assert.Equal("tenant_id", Column(t, nameof(AdoInvEntityBase.TenantId))?.ColumnName);
        var domain = Column(t, nameof(AdoInvEntityBase.DomainCode));
        Assert.Equal("domain_code", domain?.ColumnName);
        Assert.False(domain.IsNullable);          // domain 非空
        Assert.True(typeof(AdoInvEntityBase).IsAssignableFrom(t));  // 统一基类
    }

    [Fact]
    public void InventoryMaster_UniqueKey_TenantDomainItemLocation_NoLot()
    {
        // 实核：InvMaster 自然键 = Domain+ItemNum+Location（不含批次）
        Assert.True(HasUniqueKey(typeof(AdoInventoryMaster),
            nameof(AdoInvEntityBase.TenantId), nameof(AdoInvEntityBase.DomainCode),
            nameof(AdoInventoryMaster.ItemNum), nameof(AdoInventoryMaster.Location)));
    }

    [Fact]
    public void LocationDetail_UniqueKey_SixDims_And_LotRefsNotNullDefaultEmpty()
    {
        var t = typeof(AdoInventoryLocationDetail);
        // 实核：六维唯一 tenant+domain+item+location+lot_serial+refs
        Assert.True(HasUniqueKey(t,
            nameof(AdoInvEntityBase.TenantId), nameof(AdoInvEntityBase.DomainCode),
            nameof(AdoInventoryLocationDetail.ItemNum), nameof(AdoInventoryLocationDetail.Location),
            nameof(AdoInventoryLocationDetail.LotSerial), nameof(AdoInventoryLocationDetail.Refs)));

        // ⚠️ 关键陷阱：lot_serial / refs 必须 NOT NULL DEFAULT ''（空串占位唯一，非 NULL）
        var lot = Column(t, nameof(AdoInventoryLocationDetail.LotSerial));
        Assert.Equal("lot_serial", lot.ColumnName);
        Assert.False(lot.IsNullable);
        Assert.Equal("", lot.DefaultValue);

        var refs = Column(t, nameof(AdoInventoryLocationDetail.Refs));
        Assert.Equal("refs", refs.ColumnName);
        Assert.False(refs.IsNullable);
        Assert.Equal("", refs.DefaultValue);
    }

    [Fact]
    public void InventoryTransaction_StructuralDedup_GroupSeq()
    {
        // append-only；结构层防重 = tenant+transaction_group_id+seq（不替代 Phase 4 幂等）
        Assert.True(HasUniqueKey(typeof(AdoInventoryTransaction),
            nameof(AdoInvEntityBase.TenantId),
            nameof(AdoInventoryTransaction.TransactionGroupId),
            nameof(AdoInventoryTransaction.Seq)));
    }

    [Fact]
    public void BarcodeCard_SourceRebackfillUnique_And_BarcodeNotUnique()
    {
        var t = typeof(AdoBarcodeCard);
        // 回灌幂等键 tenant+source_domain+source_rec_id
        Assert.True(HasUniqueKey(t,
            nameof(AdoInvEntityBase.TenantId),
            nameof(AdoBarcodeCard.SourceDomain),
            nameof(AdoBarcodeCard.SourceRecId)));
        // 实核：barcode 会重复 → 绝不可作唯一
        Assert.False(AnyUniqueContains(t, nameof(AdoBarcodeCard.Barcode)));
    }

    [Fact]
    public void IqcInventoryPosting_IdempotencyKey_TenantDomainFbillno()
    {
        // 统一 IQC 入库事件幂等键（DB UNIQUE）
        Assert.True(HasUniqueKey(typeof(AdoIqcInventoryPosting),
            nameof(AdoInvEntityBase.TenantId), nameof(AdoInvEntityBase.DomainCode),
            nameof(AdoIqcInventoryPosting.FbillNo)));
        // 过账模式默认 SHADOW（本批次最高只允许 SHADOW）
        Assert.Equal("SHADOW", Column(typeof(AdoIqcInventoryPosting), nameof(AdoIqcInventoryPosting.PostingMode)).DefaultValue);
    }
}