using Shouldly;
using Xunit;
using ZB.MOM.WW.OtOpcUa.Core.Abstractions;

namespace ZB.MOM.WW.OtOpcUa.Driver.Historian.SqlServer.Tests;

public sealed class SqlServerHistorianProviderTests
{
    private static SqlServerHistorianProvider Make() => new(new SqlServerHistorianOptions
    {
        ConnectionString = "Server=localhost;User Id=sa;Password=x;TrustServerCertificate=True",
    });

    [Fact]
    public void Name_and_all_six_kinds()
    {
        var p = Make();
        p.Name.ShouldBe("SqlServer");
        p.SupportedKinds.ShouldBe(Enum.GetValues<HistorianValueKind>(), ignoreOrder: true);
        p.SupportedKinds.Count.ShouldBe(6);
    }

    [Fact]
    public void Creates_all_five_seams_without_touching_sql()
    {
        var sp = new NullSp();
        var p = Make();
        p.CreateDataSource(sp).ShouldBeOfType<SqlServerHistorianDataSource>();
        p.CreateValueWriter(sp).ShouldBeOfType<SqlServerHistorianValueWriter>();
        p.CreateAlarmWriter(sp).ShouldBeOfType<SqlServerAlarmHistorianWriter>();
        p.CreateProvisioning(sp).ShouldBeOfType<SqlServerTagProvisioner>();
        p.CreateUpdater(sp).ShouldBeOfType<SqlServerHistorianDataUpdater>();
    }

    private sealed class NullSp : IServiceProvider
    {
        public object? GetService(Type serviceType) => null;
    }
}