using Microsoft.Extensions.Options;

namespace ZB.MOM.WW.ScadaBridge.DataConnectionLayer;

/// <summary>Validates the OPC UA application identity before connections start.</summary>
public sealed class OpcUaGlobalOptionsValidator : IValidateOptions<OpcUaGlobalOptions>
{
    /// <summary>Fails validation when the OPC UA application name is blank.</summary>
    /// <param name="name">The named options instance being validated.</param>
    /// <param name="options">The options to validate.</param>
    /// <returns>The validation result.</returns>
    public ValidateOptionsResult Validate(string? name, OpcUaGlobalOptions options)
    {
        if (string.IsNullOrWhiteSpace(options.ApplicationName))
            return ValidateOptionsResult.Fail("ScadaBridge:OpcUa:ApplicationName must not be blank.");
        return ValidateOptionsResult.Success;
    }
}