using System.Collections.Generic;
using System.Linq;
using System.Reflection;

namespace Deltares.Stability.Calculation.Inner
{
    /// <summary>
    /// Simple converter class to convert structures (struct) to dictionary (key value pairs)
    /// </summary>
    internal static class StructToDictionaryHelper
    {
        /// <summary>
        /// Converts the target structure with public fields to a dictionary 
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="target">The target to convert to a dictionary.</param>
        /// <returns>The dictionary with property names as key</returns>
        public static IDictionary<string, object> ToDictionary<T>(this T target) where T : struct
        {
            FieldInfo[] fi = typeof(T).GetFields(BindingFlags.Public | BindingFlags.Instance);
            return fi.ToDictionary(info => info.Name, info => info.GetValue(target));
        }
    }
}