using System.Collections.Generic;
using System.IO;
using System;
using System.Net;

namespace Tesses.WebServer
{
    public class ServerContext
    {
        public string Method { get; set; }
        public ServerContext(string method,Stream strm,string path,Dictionary<string,List<string>> headers)
        {
            Method = method;
            NetworkStream = strm;
            RequestHeaders = headers;
            ResponseHeaders = new Dictionary<string, List<string>>();
            QueryParams = new Dictionary<string, List<string>>();
            StatusCode = 200;

            // /joel/path/luigi?local=jim&john_surname=connor&demi_surname=lovato&local=tim

            string[] splitUrl = path.Split(new char[] { '?' }, 2);

            if (splitUrl.Length > 0)
            {
                UrlPath = splitUrl[0];
                if (splitUrl.Length == 2)
                {
                    //local=jim&john_surname=connor&demi_surname=lovato&local=tim
                    //we want to split on &
                    q_parm = splitUrl[1];
                }
                else
                {
                    q_parm = "";
                }
                ResetQueryParms();
            }
           
        }
        public void ResetQueryParms()
        {
            QueryParams.Clear();
            foreach (var item in q_parm.Split(new char[] { '&' }, StringSplitOptions.RemoveEmptyEntries))
            {
                //Console.WriteLine(item);
                var itemSplit = item.Split(new char[] { '=' }, 2);
                if (itemSplit.Length > 0)
                {
                    string key = itemSplit[0];
                    string value = "";
                    if (itemSplit.Length == 2)
                    {
                        value = itemSplit[1];
                    }
                    QueryParams.Add(key, value);
                }
            }

        }
        private string get_host()
        {
            if(RequestHeaders.ContainsKey("Host"))
            {
                return RequestHeaders.GetFirst("Host");
            }
            return Server.Address.ToString();
        }
        string q_parm;
        public IPEndPoint Server { get; set; }
        public IPEndPoint Client { get; set; }
        public string Host { get { return get_host(); } }
        public string UrlPath { get; set; }
        public Dictionary<string,List<string>> QueryParams { get; set; }
        public Dictionary<string,List<string>> RequestHeaders { get; set; }
        public Dictionary<string,List<string>> ResponseHeaders { get; set; }
        public Stream NetworkStream { get; set; }
        public int StatusCode { get; internal set; }
    }
}