using System;
using System.Collections.Generic;

namespace MrAG
{
    public class Leaderboard
    {
        public class GamerServicesLeaderboardException : Exception{
            public GamerServicesLeaderboardException(string msg): base(msg){
            }
        }

        public static Entry SubmittedEntry;

        public class Entry{
            public string Username;
            public string Board;
            public int Score;
            public int Rank;

            public Entry(string user, int pos, int score){
                Rank = pos;
                Score = score;
                Username = user;
            }

            public Entry(string user, string board, int pos, int score){
                Board = board;
                Rank = pos;
                Score = score;
                Username = user;
            }
        }

        public static void Submit(string board, int score){
            SubmittedEntry = new Entry(MrAG.Gamerservices.GetUser(), board, -1, score);
            Gamerservices.GetAPIConnection().Send(3, 9 + board.Length, (byte)1, board, score);
        }

        public static List<Entry> GetList(string board, int startpos, int length){
            throw new GamerServicesLeaderboardException("NOT SUPPORTED");

            /*
            try{
                string[] list = Networking.PostData("leaderboard", "sub=list&identifier=" + board +"&start=" + startpos + "&length=" + length);
            
                List<Entry> entrys = new List<Entry>();
                for (int i = 0; i < list.Length; i++){
                    entrys.Add(new Entry(list[i], int.Parse(list[i + 1]), int.Parse(list[i + 2])));

                    i += 2;
                }

                return entrys;
            }catch{
                throw new GamerServicesLeaderboardException("Error while recieving list");
            }*/
        }

        public static Entry GetUser(string board, string user){
            Networking.TCPClient c = Gamerservices.GetAPIConnection();
            c.Connection.Start_Recieve(); // just to make sure we are free to recieve the incomming data
            c.Connection.Send(3, 9 + board.Length + user.Length, (byte)1, board, user);
            
            int pos = c.Connection.ReadInt();
            int score = c.Connection.ReadInt();
            c.Connection.Finish_Recieve();
            return new Entry(MrAG.Gamerservices.GetUser(), pos, score);

            /*
            string[] list = Networking.PostData("leaderboard", "sub=get&identifier=" + board +"&user=" + user);

            if (list.Length == 0 || list[0].Length == 0) return new List<Entry>(){new Entry(user, -1, -1)};

            try{
                List<Entry> entrys = new List<Entry>();
                for (int i = 0; i < list.Length; i++){
                    entrys.Add(new Entry(user, int.Parse(list[i]), int.Parse(list[i + 1])));

                    i++;
                }

                return entrys;
            }catch{
                throw new GamerServicesLeaderboardException("Error while reading data");
            }*/
        }
    }
}