using Shouldly;
using Xunit;

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

public sealed class SqlServerHistorianOptionsTests
{
    private static SqlServerHistorianOptions Valid() => new() { ConnectionString = "Server=x" };

    [Fact]
    public void Defaults_with_a_connection_string_are_valid() => Valid().Validate().ShouldBeEmpty();

    [Fact]
    public void Missing_connection_string_is_rejected() =>
        new SqlServerHistorianOptions().Validate().ShouldContain(e => e.Contains("ConnectionString"));

    [Theory]
    [InlineData("hist]; DROP TABLE x;--")]
    [InlineData("1abc")]
    [InlineData("a b")]
    [InlineData("")]
    [InlineData("a.b")]
    public void Invalid_schema_names_are_rejected_before_any_sql_runs(string schema)
    {
        var o = Valid();
        o.Schema = schema;
        o.Validate().ShouldContain(e => e.Contains("Schema"));
        Should.Throw<ArgumentException>(() => new SqlHistorianConnection(o));
    }

    [Fact]
    public void Non_positive_timeout_is_rejected()
    {
        var o = Valid();
        o.CommandTimeout = TimeSpan.Zero;
        o.Validate().ShouldContain(e => e.Contains("CommandTimeout"));
    }

    [Fact]
    public void Q_schema_qualifies_and_brackets()
    {
        var o = Valid();
        o.Schema = "my_s";
        new SqlHistorianConnection(o).Q("Tag").ShouldBe("[my_s].[Tag]");
    }
}