using UnityEngine;
using System.Collections;
using System.Net.Sockets;
using System.Collections.Generic;
using System.Net;
using System;
using Newtonsoft.Json;

namespace UC
{
    public class Request<T> where T : new()
    {
        public virtual IEnumerator execute() { yield return null; }

        public override string ToString()
        {
            string s = url_root + rest_path + "?";
            foreach (System.Reflection.FieldInfo i in GetType().GetFields())
            {
                object o = i.GetValue(this);
                if (o == null || o.ToString() == response.ToString())
                    continue;
                s += i.Name + "=" + o.ToString() + "&";
            }
            return s;
        }

        protected void parse_response(string r)
        {
            if (r == null)
                return;
            JsonSerializerSettings setting = new JsonSerializerSettings();
            setting.MissingMemberHandling = MissingMemberHandling.Ignore;
            setting.DefaultValueHandling = DefaultValueHandling.Include;
            setting.NullValueHandling = NullValueHandling.Ignore;
            response = JsonConvert.DeserializeObject<T>(r, setting);
        }

        protected string url { get { return ToString(); } }
        protected string url_root;
        protected string rest_path;
        public T response = new T();
    }

    public class GETRequest<T> : Request<T> where T : new()
    {
        public override IEnumerator execute()
        {
            Debug.Log("GET: " + url);
            WWW www = new WWW(url);
            yield return www;

            Debug.Log("Response: [" + rest_path + "]" + www.text);
            parse_response(www.text);
            www.Dispose();
        }
    }

    public class POSTRequest<T> : Request<T> where T : new()
    {
        public override IEnumerator execute()
        {
            Debug.Log("POST: " + url);
            WWW www = new WWW(url, postForm);
            yield return www;

            Debug.Log("Response: " + www.text);
            parse_response(www.text);
        }
        protected WWWForm postForm = null;
    }
}