using UnityEngine;
using System.Collections.Generic;

[System.Serializable]
public class ObjectKvp : UnityNameValuePair<Object> {
  public Object value = null;

  override public Object Value {
    get { return this.value; }
    set { this.value = value; }
  }

  public ObjectKvp(string key, Object value) : base(key, value) {
  }
}

[System.Serializable]
public class ObjectDictionary : UnityDictionary<Object> {
  public List<ObjectKvp> values;

  override protected List<UnityKeyValuePair<string, Object>> KeyValuePairs {
    get {
      return values.ConvertAll<UnityKeyValuePair<string,Object>>(new System.Converter<ObjectKvp, UnityKeyValuePair<string,Object>>(
      x => {
        return x as UnityKeyValuePair<string,Object>;
      }));
    }
    set {
      if (value == null) {
        values = new List<ObjectKvp>();
        return;
      }

      values = value.ConvertAll<ObjectKvp>(new System.Converter<UnityKeyValuePair<string,Object>, ObjectKvp>(
      x => {
        return new ObjectKvp(x.Key, x.Value as Object);
      }));
    }
  }

  override protected void SetKeyValuePair(string k, Object v) {
    var index = values.FindIndex(x => {
      return x.Key == k;});

    if (index != -1) {
      if (v == null) {
        values.RemoveAt(index);
        return;
      }

      values[index] = new ObjectKvp(k, v);
      return;
    }

    values.Add(new ObjectKvp(k, v));
  }
}