using System.ComponentModel.DataAnnotations;

namespace StellaOps.Plugin.Sdk;


/// <summary>
/// Options base class with validation support.
/// </summary>
public abstract class PluginOptionsBase : IValidatableObject
{
    /// <summary>
    /// Override to add custom validation logic.
    /// </summary>
    /// <param name="validationContext">Validation context.</param>
    /// <returns>Validation results.</returns>
    public virtual IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
    {
        yield break;
    }

    /// <summary>
    /// Validates the options and throws if invalid.
    /// </summary>
    /// <exception cref="ValidationException">If validation fails.</exception>
    public void ValidateAndThrow()
    {
        var context = new ValidationContext(this);
        var results = new List<ValidationResult>();

        if (!Validator.TryValidateObject(this, context, results, validateAllProperties: true))
        {
            var errors = string.Join(", ", results.Select(r => r.ErrorMessage));
            throw new ValidationException($"Configuration validation failed: {errors}");
        }
    }
}