using Shouldly;
using Xunit;
using ZB.MOM.WW.OtOpcUa.AdminUI.Uns;

namespace ZB.MOM.WW.OtOpcUa.AdminUI.Tests.Uns;

[Trait("Category", "Unit")]
public sealed class UnsTreeServiceEquipmentChildRowsTests
{
    private static UnsTreeService SeededService()
    {
        var dbName = $"uns-childrows-{Guid.NewGuid():N}";
        UnsTreeTestDb.SeedNamed(dbName);
        return new UnsTreeService(UnsTreeTestDb.Factory(dbName));
    }

    [Fact]
    public async Task LoadTagsForEquipment_returns_tags_in_name_order_scoped()
    {
        var rows = await SeededService().LoadTagsForEquipmentAsync(UnsTreeTestDb.SeededEquipmentId);
        rows.Count.ShouldBe(2);                 // the EquipmentId=null orphan tag is excluded
        rows[0].TagId.ShouldBe("TAG-2");        // "running" < "speed"
        rows[0].Name.ShouldBe("running");
        rows[0].DataType.ShouldBe("Boolean");
        rows[1].TagId.ShouldBe("TAG-1");
        rows[1].DataType.ShouldBe("Float");
    }

    [Fact]
    public async Task LoadVirtualTagsForEquipment_returns_vtags_in_name_order()
    {
        var rows = await SeededService().LoadVirtualTagsForEquipmentAsync(UnsTreeTestDb.SeededEquipmentId);
        rows.Count.ShouldBe(1);
        rows[0].VirtualTagId.ShouldBe("VTAG-1");
        rows[0].Name.ShouldBe("computed");
        rows[0].DataType.ShouldBe("Double");
    }

    [Fact]
    public async Task LoadTagsForEquipment_empty_for_unknown_equipment()
        => (await SeededService().LoadTagsForEquipmentAsync("EQ-NONE")).ShouldBeEmpty();
}