using System;
using System.Net;
using System.Text;
using System.IO;
using Newtonsoft.Json;
namespace Leadercraft.Server
{
    internal class LeadercraftApi
    {
        private readonly ulong _userId;

        private readonly string _tokenUrl;

        private readonly string _criteriaUrl;

        public LeadercraftApi(ulong userId, string tokenUrl, string criteriaUrl)
        {
            this._userId = userId;
            this._tokenUrl = tokenUrl;
            this._criteriaUrl = criteriaUrl;
        }

        public LeadercraftResult<KeyStruct> RequestPOSTToken(string playerName = "???")
        {
			NewKeyStruct reqBodyObj = new NewKeyStruct{ PlayerID = _userId, PlayerName = playerName };
			string reqBodyStr = JsonConvert.SerializeObject(reqBodyObj);
			// Request
			WebRequest request = WebRequest.Create(_tokenUrl);
            request.Method = "POST";
            request.ContentLength = reqBodyStr.Length;
            request.ContentType = "application/json";
			StreamWriter body;
			try
			{
                body = new StreamWriter(request.GetRequestStream());
                body.Write(reqBodyStr);
                body.Close();
			}
			catch (WebException e)
			{
				int status = (int) e.Status;
				if (e.Response != null && e.Response is HttpWebResponse webResponse)
					status = (int)webResponse.StatusCode;
				return new LeadercraftResult<KeyStruct>(new byte[] { }, status);
			}
			// Response
            HttpWebResponse response = null;
            try
            {
                response = (HttpWebResponse)request.GetResponse();
            }
			catch (WebException e)
            {
	            int status = (int) e.Status;
	            if (e.Response != null && e.Response is HttpWebResponse webResponse)
		            status = (int)webResponse.StatusCode;
                return new LeadercraftResult<KeyStruct>(new byte[] { }, status);
            }
            StreamReader respBody = new StreamReader(response.GetResponseStream());
            string respBodyStr = respBody.ReadToEnd();
            response.Close();
            return new LeadercraftResult<KeyStruct>(respBodyStr, (int)response.StatusCode);
        }

        public LeadercraftResult<string> RequestPOSTCriteria(CriteriaStruct criteria, string token)
        {
            criteria.PlayerID = _userId;
            string reqBodyStr = JsonConvert.SerializeObject(criteria);
            // Request
            WebRequest request = WebRequest.Create(_criteriaUrl);
            request.Method = "POST";
            request.ContentLength = reqBodyStr.Length;
            request.ContentType = "application/json";
            request.Headers.Add(HttpRequestHeader.Authorization, "leadercraft "+token);
			StreamWriter body;
			try
			{
				body = new StreamWriter(request.GetRequestStream());
				body.Write(reqBodyStr);
				body.Close();
			}
			catch (WebException e)
			{
				int status = (int) e.Status;
				if (e.Response != null && e.Response is HttpWebResponse webResponse)
					status = (int)webResponse.StatusCode;
				return new LeadercraftResult<string>(new byte[] { }, status);
			}
			// Response
			HttpWebResponse response = null;
			try
			{
				response = (HttpWebResponse)request.GetResponse();
			}
			catch (WebException e)
			{
				int status = (int) e.Status;
				if (e.Response != null && e.Response is HttpWebResponse webResponse)
					status = (int)webResponse.StatusCode;
				return new LeadercraftResult<string>(new byte[] { }, status);
			}
            StreamReader respBody = new StreamReader(response.GetResponseStream());
            string respBodyStr = respBody.ReadToEnd();
            response.Close();
            return new LeadercraftResult<string>(respBodyStr, (int)response.StatusCode);
        }
    }
}