using Godot;
using System.Reflection;
using System.Collections.Generic;

namespace Rokojori
{ 
  
  public class Shaders
  {  
    public static List<UniformMember> GetUniformMembers( Shader shader )
    {
      var list = new List<UniformMember>();
      
      var uniforms = shader.GetShaderUniformList();

      foreach ( var u in uniforms )
      {
        var d = u.AsGodotDictionary();


        var member = new UniformMember();

        member.name = d[ "name" ].AsString();

        member.type = (Variant.Type) d[ "type" ].AsInt32();
        
        member.hint = (PropertyHint) d[ "hint" ].AsInt32();
        member.hintString = d[ "hint_string" ].AsString();
        member.usage = d[ "usage" ].AsInt32();


        list.Add( member );
      }      

      return list;
    }

    public static List<string> GetUniformNames( Shader shader )
    {
      var list = new List<string>();
      
      var uniforms = shader.GetShaderUniformList();

      foreach ( var p in uniforms )
      {
        var d = p.AsGodotDictionary();
        var name = d[ "name" ].ToString();

        list.Add( name );
      }      

      return list;
    }
  }
}