using Microsoft.Extensions.Options;

namespace ZB.MOM.WW.ScadaBridge.DataConnectionLayer;

/// <summary>Validates the MxGateway client identity before connections start.</summary>
public sealed class MxGatewayGlobalOptionsValidator : IValidateOptions<MxGatewayGlobalOptions>
{
    /// <summary>Validates the MxGateway global options.</summary>
    /// <param name="name">The named-options instance being validated, or <see langword="null"/>.</param>
    /// <param name="options">The options to validate.</param>
    /// <returns>A success result, or a failure naming the first invalid setting.</returns>
    public ValidateOptionsResult Validate(string? name, MxGatewayGlobalOptions options)
    {
        if (string.IsNullOrWhiteSpace(options.ClientNamePrefix))
            return ValidateOptionsResult.Fail("ScadaBridge:MxGateway:ClientNamePrefix must not be blank.");
        return ValidateOptionsResult.Success;
    }
}