#region Copyright
// /************************************************************************
//    Copyright (c) 2016 Jamie Rees
//    File: TypeHelper.cs
//    Created By: Jamie Rees
//   
//    Permission is hereby granted, free of charge, to any person obtaining
//    a copy of this software and associated documentation files (the
//    "Software"), to deal in the Software without restriction, including
//    without limitation the rights to use, copy, modify, merge, publish,
//    distribute, sublicense, and/or sell copies of the Software, and to
//    permit persons to whom the Software is furnished to do so, subject to
//    the following conditions:
//   
//    The above copyright notice and this permission notice shall be
//    included in all copies or substantial portions of the Software.
//   
//    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
//    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
//    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
//    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
//    LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
//    OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
//    WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//  ************************************************************************/
#endregion
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;

namespace PlexRequests.Helpers
{
    public static class TypeHelper
    {
        public static string[] GetPropertyNames(this Type t)
        {
            return t.GetProperties().Select(x => x.Name).ToArray();
        }

        public static IEnumerable<FieldInfo> GetConstants(this Type type)
        {
            var fieldInfos = type.GetFields(BindingFlags.Public | BindingFlags.Static | BindingFlags.FlattenHierarchy);

            return fieldInfos.Where(fi => fi.IsLiteral && !fi.IsInitOnly);
        }

        public static IEnumerable<T> GetConstantsValues<T>(this Type type) where T : class
        {
            var fieldInfos = GetConstants(type);

            return fieldInfos.Select(fi => fi.GetRawConstantValue() as T);
        }
    }
}