namespace SQLInsight.Connectivity.Tests;

public class ConnectionStringsTests
{
    [Fact]
    public void SqlClient_defaults_to_mandatory_encryption_with_certificate_validation()
    {
        var cs = ConnectionStrings.ForSqlClient(new ConnectionTarget { Server = "sql01" });

        Assert.Contains("Encrypt=True", cs, StringComparison.OrdinalIgnoreCase);
        Assert.DoesNotContain("Trust Server Certificate=True", cs, StringComparison.OrdinalIgnoreCase);
        Assert.Contains("Integrated Security=True", cs, StringComparison.OrdinalIgnoreCase);
        Assert.Contains("Application Name=\"SQLInsight Pro\"", cs, StringComparison.OrdinalIgnoreCase);
    }

    [Fact]
    public void Odbc_uses_configured_driver_and_sql_login()
    {
        var cs = ConnectionStrings.ForOdbc(new ConnectionTarget
        {
            Server = "legacy01",
            Authentication = AuthenticationMode.SqlLogin,
            UserName = "sqlinsight",
            Password = "secret",
            Encryption = EncryptionMode.Optional,
            OdbcDriver = "SQL Server",
        });

        Assert.Contains("Driver={SQL Server}", cs, StringComparison.OrdinalIgnoreCase);
        Assert.Contains("UID=sqlinsight", cs, StringComparison.OrdinalIgnoreCase);
        Assert.Contains("Encrypt=no", cs, StringComparison.OrdinalIgnoreCase);
        Assert.DoesNotContain("Trusted_Connection", cs, StringComparison.OrdinalIgnoreCase);
    }

    [Fact]
    public void Sql_login_without_user_name_is_rejected()
    {
        var target = new ConnectionTarget { Server = "sql01", Authentication = AuthenticationMode.SqlLogin };

        Assert.Throws<ArgumentException>(() => ConnectionStrings.ForSqlClient(target));
    }
}