using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using SimpleJSON;
using System.Linq;

namespace AdvancedJSON
{
    public class Core
    {
        //***********************************************************************************************************************
        //private, protected

        //------------------------------------------------------------------------------------------------------------------
        //------------------------------------------------------------------------------------------------------------------
        //------------------------------------------------------------------------------------------------------------------
        //------------------------------------------------------------------------------------------------------------------

        //***********************************************************************************************************************
        //internal

        //------------------------------------------------------------------------------------------------------------------
        //------------------------------------------------------------------------------------------------------------------

        //***********************************************************************************************************************
        //public static

        public static JSONNode Merge(JSONNode parentNode, JSONNode addedNode)
        {
            JSONNode ReturnedValue = parentNode;

            if(parentNode == null)
            {
                //Debug.LogWarning("AdvancedJSON.Core.Merge: Empty Parent! Returned the AddedNode.");
                return addedNode;
            }

            //Prepare Values
            string[] Keys = addedNode.Keys.ToArray();

            //Go through addedNodes
            for (int i = 0; i < Keys.Length; i++)
            {
                //Debug.LogWarning("AdvancedJSON.Core.Merge: Merging Key: " + Keys[i]);

                //Is it an Object?
                if (addedNode[Keys[i]].IsObject)
                {
                    //Does the Object exist in the parent?
                    if (parentNode[Keys[i]] != null)
                    {
                        //Debug.LogWarning("AdvancedJSON.Core.Merge: Key exists in Parent. Merging SubNodes...");

                        //Go Deeper
                        ReturnedValue.Add(Keys[i], Merge(parentNode[Keys[i]], addedNode[Keys[i]]));
                    }
                    else
                    {
                        //Debug.LogWarning("AdvancedJSON.Core.Merge: Key doesn't exist in Parent. Adding NodeStructure.");

                        //Add Node to Parent
                        ReturnedValue.Add(Keys[i], addedNode[Keys[i]]);
                    }
                    
                }
                else
                {
                    //Debug.LogWarning("AdvancedJSON.Core.Merge: End reached. Adding Node: " + addedNode.ToString());

                    //Add Object to Parent
                    ReturnedValue.Add(Keys[i], addedNode);
                }
            }

            return ReturnedValue;
        }

        //------------------------------------------------------------------------------------------------------------------
        //------------------------------------------------------------------------------------------------------------------

        //***********************************************************************************************************************
        //public

        //------------------------------------------------------------------------------------------------------------------
        //------------------------------------------------------------------------------------------------------------------
        //------------------------------------------------------------------------------------------------------------------
        //------------------------------------------------------------------------------------------------------------------

        //***********************************************************************************************************************
        //getter, setter

        //------------------------------------------------------------------------------------------------------------------
        //------------------------------------------------------------------------------------------------------------------

    }
}