#include "../../incl.h"
#include "../../chat/room.h"
#include "../../chat/user.h"
#include <unistd.h>
#include <sys/wait.h>
#include <stdio.h>
#include <sys/types.h>
#include <fcntl.h>

using namespace std;

extern "C"
{
  int extern_function(void *v_arg)
  {
    container *c=(container *)v_arg;

    user* p_user = (user*) c->elem[1];		// the corresponding user
    timr* p_timr = (timr*) ((dynamic_wrap*)c->elem[3])->TIMR;
    conf* p_conf = (conf*) ((dynamic_wrap*)c->elem[3])->CONF;
    vector<string> *params = (vector<string>*) c->elem[2];	// param array

    string s_command;
    string s_msg = p_timr->get_time();
    string s_output;

    vector<string>::iterator iter;
    for ( iter = params->begin(); iter != params->end(); iter++ )
      s_command.append( " " + *iter );

    s_command.append(" 2>error.log");

    s_msg.append( " " + s_command + "<br>\n" );

    p_user->msg_post( &s_msg );

    FILE *file;
    char buffer[READBUF];

    if( (file=popen(s_command.c_str(), "r")) == NULL )
    {
      s_output = "<font color=\"#"
                 + p_conf->get_elem("chat.html.errorcolor")
                 + p_conf->get_elem("chat.msgs.err.execcommand")
                 + "</font><br>\n";
      p_user->msg_post( &s_output );
    }
    else
    {
      s_output.append("<hr>\n");
      while(true)
      {
        if(fgets(buffer, READBUF, file) == NULL)
          break;

        s_output.append( string(buffer) + "<br>\n" );
      }

      p_user->msg_post( &s_output );
      pclose(file);
    }

    return 0;
  }
}