using System.Linq;
using xAiModels.Configurations;
using xAiModels.Models;
using xCommons.Extensions;

namespace xAiModels.Extensions
{
    public static class XAiApiConfigurationExtensions
    {
        /// <summary>
        /// Validate Api Configuration ...
        /// </summary>
        /// <param name="source"></param>
        /// <returns></returns>
        public static bool IsValid(this XAiApiConfiguration source)
        {
            return
                !source.IsNullOrDefault() &&
                source.Models.HasChild();
        }

        /// <summary>
        /// Retrieve Default Model Descriptor ...
        /// </summary>
        /// <param name="source"></param>
        /// <returns></returns>
        public static XAiModelDescriptor GetDefaultModel(this XAiApiConfiguration source)
        {
            //
            XAiModelDescriptor result = null;

            //
            if (source.IsValid())
            {
                result = source.Models.First();
            }

            //
            return result;
        }
    }
}