using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Net.Sockets;
using System.Threading;
using UnityEngine;
using Logger;

namespace Networkreader
{
    public class NWEventReader : AbstractNWReader, INWReader
    {//int SID, double timeS, (double timeE,) 3 x float Pos, (3 x float IPos,) int type

        #region Parameter
        private readonly int ROWLENGTHINBYTESTYPE1 = sizeof(Int32) + sizeof(Double) + sizeof(Single) + sizeof(Single) + sizeof(Single) +
           sizeof(Int32);
        private readonly int ROWLENGTHINBYTESTYPE2 = sizeof(Int32) + sizeof(Double) + sizeof(Double) + sizeof(Single) + sizeof(Single) +
            sizeof(Single) + sizeof(Int32);
        private readonly int ROWLENGTHINBYTESTYPE3 = sizeof(Int32) + sizeof(Double) + sizeof(Single) + sizeof(Single) + sizeof(Single) +
            sizeof(Single) + sizeof(Single) + sizeof(Single) + sizeof(Int32);
        private readonly int ROWLENGTHINBYTESTYPE4 = sizeof(Int32) + sizeof(Double) + sizeof(Double) + sizeof(Single) + sizeof(Single) +
            sizeof(Single) + sizeof(Single) + sizeof(Single) + sizeof(Single) + sizeof(Int32);

        private StreamWriter writer;
        #endregion

        #region Constructor
        public NWEventReader(string ipAdress, int port) : base(ipAdress, port)
        {
        }
        #endregion

        #region Exposed
        public double GetNewestTimestamp()
        {
            throw new NotImplementedException();
        }
        public double GetOldestTimestamp()
        {
            throw new NotImplementedException();
        }
        #endregion

        #region Internal
        protected override void WriteToFileThread(object filepath)
        {
            Streaming = true;
            NWStream = Client.GetStream();
            Stopwatch watch = new Stopwatch();
            byte[] buffer;

            writer = new StreamWriter(new FileStream(filepath.ToString(), FileMode.OpenOrCreate, FileAccess.Write, FileShare.ReadWrite));

            watch.Start();
            while (Streaming)
            {
                try
                {
                    if (NWStream.DataAvailable)
                    {
                        buffer = new byte[1];
                        ReadBuffer(buffer);

                        byte type = buffer[0];
                        int thisrowlength = 0;
                        switch (type)
                        {
                            case 0:
                                thisrowlength = ROWLENGTHINBYTESTYPE1;
                                break;
                            case 1:
                                thisrowlength = ROWLENGTHINBYTESTYPE2;
                                break;
                            case 2:
                                thisrowlength = ROWLENGTHINBYTESTYPE3;
                                break;
                            case 3:
                                thisrowlength = ROWLENGTHINBYTESTYPE4;
                                break;
                            default:
                                thisrowlength = 0;
                                CityLogger.LogError("Invalid Event-Length-Type received in NWEventReader.");
                                break;
                        }
                        buffer = new byte[thisrowlength];
                        ReadBuffer(buffer);
                        Write(buffer, type);
                    }
                    else
                        Thread.Sleep(10);
                }
                catch (Exception e)
                {
                    CityLogger.LogError(e.Message);
                    return;
                }
            }
            Client.Close();
        }
        public void Write(byte[] data, byte lengthtype)
        {
            String line = "";
            line += BitConverter.ToInt32(data, 0);
            line += ";";
            line += BitConverter.ToDouble(data, 4);
            line += ";";
            switch (lengthtype)
            {
                case 0://Length of 6
                    line += BitConverter.ToSingle(data, 12);
                    line += ";";
                    line += BitConverter.ToSingle(data, 16);
                    line += ";";
                    line += BitConverter.ToSingle(data, 20);
                    line += ";";
                    line += BitConverter.ToInt32(data, 24);
                    break;
                case 1://Length of 7
                    line += BitConverter.ToDouble(data, 12);
                    line += ";";
                    line += BitConverter.ToSingle(data, 20);
                    line += ";";
                    line += BitConverter.ToSingle(data, 24);
                    line += ";";
                    line += BitConverter.ToSingle(data, 28);
                    line += ";";
                    line += BitConverter.ToInt32(data, 32);
                    break;
                case 2://Length of 9
                    line += BitConverter.ToSingle(data, 12);
                    line += ";";
                    line += BitConverter.ToSingle(data, 16);
                    line += ";";
                    line += BitConverter.ToSingle(data, 20);
                    line += ";";
                    line += BitConverter.ToSingle(data, 24);
                    line += ";";
                    line += BitConverter.ToSingle(data, 28);
                    line += ";";
                    line += BitConverter.ToSingle(data, 32);
                    line += ";";
                    line += BitConverter.ToInt32(data, 36);
                    break;
                case 3://Length of 10
                    line += BitConverter.ToDouble(data, 12);
                    line += ";";
                    line += BitConverter.ToSingle(data, 20);
                    line += ";";
                    line += BitConverter.ToSingle(data, 24);
                    line += ";";
                    line += BitConverter.ToSingle(data, 28);
                    line += ";";
                    line += BitConverter.ToSingle(data, 32);
                    line += ";";
                    line += BitConverter.ToSingle(data, 36);
                    line += ";";
                    line += BitConverter.ToSingle(data, 40);
                    line += ";";
                    line += BitConverter.ToInt32(data, 44);
                    break;
            }
            line += "\n";
            writer.Write(line);
            writer.Flush();
        }
        protected override string GetFilename()
        {
            return "EventStream_" + DateTime.Now.ToString(new CultureInfo("de-DE")).Replace(" ", "_").Replace(":", ".") + ".csv";
        }
        #endregion
    }
}