#include "stdlibincl.h"
#include <stdarg.h>
#include <stdio.h>
#include "shell_buffer.h"
#include "class_list.h"

#include "network_manager.h"
#include "network_socket.h"
#include "network_stream.h"
#include "synchronizeable.h"

#include "simple_sync.h"

int verbose = 4;


/* outputs the help */
int startHelp(int argc, char** argv)
{
  printf("Network is a network unit test\n");
  printf(" --help:           this output\n");
  printf(" --sockettest      test network_socket\n");
  printf(" --frameworktest   test the network module\n");
  printf("\n");
}


/* test SDL network socket */
int testSocket(int argc, char** argv)
{
  IPaddress ip;
  SDLNet_ResolveHost(&ip, "127.0.0.1", 9999);
  NetworkSocket server;
  server.listen(9999);
  SDL_Delay(20);

  NetworkSocket client(ip, 9999);

  char buf[1024];

  printf("read from client before sending data\n");
  printf("result: %d bytes\n", client.readBytes((byte*)buf, 1024));

  printf("read from server before sending data\n");
  printf("result: %d bytes\n", server.readBytes((byte*)buf, 1024));

  int n;
  char * str1 = "client to server";
  char * str2 = "server to client";
  n = client.writeBytes((byte*)str1, strlen(str1)+1);
  printf("%d bytes send from client\n", n);
  n = server.writeBytes((byte*)str2, strlen(str2)+1);
  printf("%d bytes send from server\n", n);
  SDL_Delay(1000);

  printf("read from server\n");
  n = server.readBytes((byte*)buf, 1024);
  printf("read %d bytes\n", n);
  if (n<0)
    return -1;

  printf("data: %s\n", buf);
  printf("read from client\n");
  n = client.readBytes((byte*)buf, 1024);

  printf("read %d bytes\n", n);
  if (n<0)
    return -1;

  printf("data: %s\n", buf);

  printf("testing a bigger amount of data\n");

#define _N_ELEMENTS 212994
  char sendbuf[_N_ELEMENTS+1];
  char recvbuf[_N_ELEMENTS+1];
  sendbuf[_N_ELEMENTS] = '\0';
  recvbuf[_N_ELEMENTS] = '\0';

  for (int i = 0; i<_N_ELEMENTS; i++)
    sendbuf[i] = i%26 + 65;

  printf("write\n");
  printf("result = %d\n", client.writeBytes((byte*)sendbuf, _N_ELEMENTS));

  SDL_Delay(50);

  printf("read\n");
  int nbytes = server.readBytes((byte*)recvbuf, _N_ELEMENTS);
  int offset = nbytes;

  while (nbytes>0)
  {
    SDL_Delay(10);
    //printf("read\n");
    nbytes = server.readBytes((byte*)recvbuf+offset, _N_ELEMENTS-offset);
    offset += nbytes;
    //printf("nbytes=%d, offset=%d\n", nbytes, offset);
  }

  printf("strcmp = %d (0 is good :D not 0 is evil)\noffset = %d\n", strncmp(sendbuf, recvbuf, _N_ELEMENTS), offset);

  //printf("%s\n%s\n", sendbuf, recvbuf);

  for (int i = 0; i<_N_ELEMENTS; i++)
  {
    if (sendbuf[i]!=recvbuf[i])
    {
      printf("byte %d is the first difference\n", i+1);
      break;
    }
  }

  return 0;
}


int testFramework(int argc, char** argv)
{
  printf("=================\n");
  printf("TestFramework\n");
  printf("=================\n");

  IPaddress ip;
  //SDLNet_ResolveHost(&ip, "127.0.0.1", 9999);
  SDLNet_ResolveHost(&ip, "localhost", 9999);
  Synchronizeable* clientSync = new SimpleSync();
  Synchronizeable* serverSync = new SimpleSync();



  /* create the network manager */
  NetworkManager* nm = new NetworkManager();

  /* initialize the network manager */
  nm->initialize();

  /* create a server stream */
  nm->createServer(*serverSync, 9999);

  /* esatblish a connection */
  nm->establishConnection(ip, *clientSync);

  /* synchronize the data 1 time (increment for longer tests) */
  for( int i = 0; i < 1; i++) {
    nm->synchronize();
  }

  /* delete the network manager again */
  delete nm;

  return 0;
}


/**
 *
 *  main function
 *
 * here the journey begins
 */
int main(int argc, char** argv)
{
  // here the pre-arguments are loaded, these are needed to go either to orxonx itself, Help, or Benchmark.
  int i;
  for(i = 1; i < argc; ++i)
  {
    //else if(!strcmp( "--gui", argv[i]) || !strcmp("-g", argv[i])) showGui = true;
    if (! strcmp( "--sockettest", argv[i]) || !strcmp("-s", argv[i])) return testSocket(argc, argv);
    else if (! strcmp( "--frameworktest", argv[i]) || !strcmp("-f", argv[i])) return testFramework(argc, argv);
  }

  startHelp(argc, argv);

  return 0;
}


bool ShellBuffer::addBufferLineStatic(const char* line, ...)
{
  //va_list arguments;
  //vprintf(line, arguments);
  printf("%s", line);

}