using Admin.NET.Plugin.AiDOP.MaterialWarehouse.InventoryPosting.Inventory;
using Admin.NET.Plugin.AiDOP.MaterialWarehouse.InventoryPosting.Receipt;
using Xunit;

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

/// <summary>
/// Phase 6B 纯逻辑件测试：Runtime Gate + CheckInventoryStatus 轻校验 + IqcInventoryBatchBuilder。
/// 据 Phase 6A LIVE 契约：IQC 收货 `rct-po`（→Avail，Assay=0），留样 `iss-unp`(-Sample)；最终 +Accepted-Sample。
/// </summary>
public class IqcReceiptPureTests
{
    // ── Runtime Gate ──
    [Fact]
    public void Gate_AllSatisfied_CanCreate()
        => Assert.True(PurchaseReceiptRuntimeGate.Evaluate(
            new PurchaseReceiptGateInput { HasPendingReceipt = true, AcceptedQty = 100m, HasReceivableDetails = true }).CanCreate);

    [Fact]
    public void Gate_AcceptedQtyZero_CannotCreate()
        => Assert.False(PurchaseReceiptRuntimeGate.Evaluate(
            new PurchaseReceiptGateInput { HasPendingReceipt = true, AcceptedQty = 0m, HasReceivableDetails = true }).CanCreate);

    [Fact]
    public void Gate_NoReceivableDetails_CannotCreate()
        => Assert.False(PurchaseReceiptRuntimeGate.Evaluate(
            new PurchaseReceiptGateInput { HasPendingReceipt = true, AcceptedQty = 100m, HasReceivableDetails = false }).CanCreate);

    [Fact]
    public void Gate_NoPendingReceipt_CannotCreate()
        => Assert.False(PurchaseReceiptRuntimeGate.Evaluate(
            new PurchaseReceiptGateInput { HasPendingReceipt = false, AcceptedQty = 100m, HasReceivableDetails = true }).CanCreate);

    // ── CheckInventoryStatus 轻校验 ──
    [Fact]
    public void LocationCheck_AllNonEmpty_Ok()
    {
        var cmds = new[] { new InventoryTransactionCommand { ItemNum = "IT-1", Location = "L1" } };
        Assert.True(InventoryLocationCheck.Validate(cmds).Ok);
    }

    [Fact]
    public void LocationCheck_EmptyLocation_Fails()
    {
        var cmds = new[] { new InventoryTransactionCommand { ItemNum = "IT-1", Location = "" } };
        var r = InventoryLocationCheck.Validate(cmds);
        Assert.False(r.Ok);
        Assert.Contains("IT-1", r.OffendingItems);
    }

    // ── Batch Builder ──
    private static IqcAcceptedReceipt Receipt(decimal accepted, decimal sample)
        => new IqcAcceptedReceipt
        {
            TenantId = 797403760988229L, DomainCode = "8010", PostingId = 1, TransactionGroupId = 100,
            RctNbr = "RCT-001", ItemNum = "IT-1", Location = "L1", LotSerial = "",
            AcceptedQty = accepted, SampleQty = sample, UmConversion = 1m, User = "t",
        };

    [Fact]
    public void Build_NoSample_OnlyRctPo()
    {
        var b = IqcInventoryBatchBuilder.Build(Receipt(100m, 0m));
        var c = Assert.Single(b.Commands);
        Assert.Equal(InventoryTransType.RctPo, c.TransType);
        Assert.Equal(100m, c.ChangeQty);
        Assert.Equal("RCT-001", c.OrdNbr);
        Assert.Equal(1, c.Seq);
    }

    [Fact]
    public void Build_WithSample_RctPoThenIssUnp_OrderAndSigns()
    {
        var b = IqcInventoryBatchBuilder.Build(Receipt(100m, 10m));
        Assert.Equal(2, b.Commands.Count);
        Assert.Equal(InventoryTransType.RctPo, b.Commands[0].TransType);
        Assert.Equal(100m, b.Commands[0].ChangeQty);
        Assert.Equal(InventoryTransType.IssUnp, b.Commands[1].TransType);
        Assert.Equal(-10m, b.Commands[1].ChangeQty);      // 留样恒负
        Assert.Equal("iqc", b.Commands[1].Reason);
        Assert.Equal(1, b.Commands[0].Seq);
        Assert.Equal(2, b.Commands[1].Seq);
    }

    // 经 Calculator 验证最终库存语义
    [Fact]
    public void Build_RctPoAlone_IntoAvail_NotAssay()
    {
        var b = IqcInventoryBatchBuilder.Build(Receipt(100m, 0m));
        var after = InventoryBalanceCalculator.Project(new InventoryBalance(), b.Commands[0]).After;
        Assert.Equal(100m, after.QtyOnHand);
        Assert.Equal(100m, after.AvailStatusQty);         // 进可用库存
        Assert.Equal(0m, after.Assay);                    // 非质检（修正 rct-po-ins 旧误判）
    }

    [Fact]
    public void Build_WithSample_FinalBalance_AcceptedMinusSample()
    {
        var b = IqcInventoryBatchBuilder.Build(Receipt(100m, 10m));
        var bal = new InventoryBalance();
        foreach (var c in b.Commands)
            bal = InventoryBalanceCalculator.Project(bal, c).After;
        Assert.Equal(90m, bal.QtyOnHand);                 // +100 -10
        Assert.Equal(90m, bal.AvailStatusQty);
        Assert.Equal(0m, bal.Assay);
    }
}