using Admin.NET.Plugin.AiDOP.DataPlatform.Inbound;
using Admin.NET.Plugin.AiDOP.Entity.DataPlatform;
using Xunit;

namespace Admin.NET.Plugin.AiDOP.Tests.DataPlatform;

public class InboundRequiredFieldTests
{
    private readonly MdpInboundFieldMapper _mapper = new(null!);

    [Fact]
    public void IdentityContract_RejectsMissingRequiredField()
    {
        var row = new Dictionary<string, object?>(StringComparer.OrdinalIgnoreCase)
        {
            ["ItemNum"] = "ITEM-001"
        };

        var missing = _mapper.MissingRequired(row, [], "MDM_ITEM", "v1");

        Assert.Equal(["Descr"], missing);
    }

    [Fact]
    public void InventoryV1_DoesNotRequireV2BusinessType()
    {
        var row = new Dictionary<string, object?>(StringComparer.OrdinalIgnoreCase)
        {
            ["Id"] = "TXN-001"
        };

        var missing = _mapper.MissingRequired(row, [], "S5_INVENTORY_TXN", "v1");

        Assert.Empty(missing);
    }

    [Fact]
    public void InventoryV2_RequiresBusinessType()
    {
        var row = new Dictionary<string, object?>(StringComparer.OrdinalIgnoreCase)
        {
            ["Id"] = "TXN-001"
        };

        var missing = _mapper.MissingRequired(row, [], "S5_INVENTORY_TXN", "v2");

        Assert.Equal(["BizDocType"], missing);
    }

    [Fact]
    public void ConfiguredMap_RemainsTheAuthoritativeContract()
    {
        var row = new Dictionary<string, object?>(StringComparer.OrdinalIgnoreCase)
        {
            ["external_item"] = "ITEM-001"
        };
        var maps = new List<MdpFieldMap>
        {
            new()
            {
                ContractField = "ItemNum",
                RawKey = "external_item",
                IsRequired = 1
            }
        };

        var missing = _mapper.MissingRequired(row, maps, "MDM_ITEM", "v1");

        Assert.Empty(missing);
    }
}