#define _GNU_SOURCE

#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>

#include <string.h>

#include <signal.h>

#include <termios.h>

#include <getopt.h>

#include <sys/types.h>

#include <sys/wait.h>

#include <glib.h>

#include "jabglue.h"

#include "screen.h"

#include "parsecfg.h"

#include "settings.h"

#include "roster.h"

#include "commands.h"

#include "histolog.h"

#include "hooks.h"

#include "utils.h"

#include "harddefines.h"

void sig_handler(int signum)

{

  if (signum == SIGCHLD) {

    int status;

    pid_t pid;

    do {

      pid = waitpid (WAIT_ANY, &status, WNOHANG);

    } while (pid > 0);

    //if (pid < 0)

    //  ut_WriteLog("Error in waitpid: errno=%d\n", errno);

    signal(SIGCHLD, sig_handler);

  } else if (signum == SIGTERM) {

    jb_disconnect();

    scr_TerminateCurses();

    printf("Killed by SIGTERM\nBye!\n");

    exit(EXIT_SUCCESS);

  } else {

    ut_WriteLog("Caught signal: %d\n", signum);

  }

}

{

  struct termios orig, new;

  int nread;

  /* Turn echoing off and fail if we can't. */

  new = orig;

  new.c_lflag &= ~ECHO;

  /* Read the password. */

  /* Restore terminal. */

}

void mcabber_connect(void)

{

  const char *username, *password, *resource, *servername;

  char *jid;

  int ssl;

  unsigned int port;

  servername = settings_opt_get("server");

  username   = settings_opt_get("username");

  password   = settings_opt_get("password");

  resource   = settings_opt_get("resource");

  if (!servername) {

    scr_LogPrint("Server name has not been specified!\n");

    return;

  }

  if (!username) {

    scr_LogPrint("User name has not been specified!\n");

    return;

  }

  if (!password) {

    scr_LogPrint("Password has not been specified!\n");

    return;

  }

  if (!resource)

    resource = "mcabber";

  ssl  = (settings_opt_get_int("ssl") > 0);

  port = (unsigned int) settings_opt_get_int("port");

  jb_set_priority(settings_opt_get_int("priority"));

  /* Connect to server */

  ut_WriteLog("Connecting to server: %s:%d\n", servername, port);

  scr_LogPrint("Connecting to server: %s:%d", servername, port);

  jid = compose_jid(username, servername, resource);

  jc = jb_connect(jid, port, ssl, password);

  g_free(jid);

  if (!jc) {

    ut_WriteLog("\tConnection error!!!\n");

    scr_LogPrint("Error connecting to (%s)\n", servername);

  }

  jb_reset_keepalive();

}

void credits(void)

{

  printf(MCABBER_VERSION "\n");

  printf(EMAIL "\n");

}

int main(int argc, char **argv)

{

  char *configFile = NULL;

  const char *optstring;

  int optval, optval2;

  int key;

  unsigned int ping;

  int ret = 0;

  unsigned int refresh = 0;

  credits();

  /* Set this >0 to enable log */

  /* Note: debug can be enabled via the config file */

  ut_InitDebug(0, NULL);

  ut_WriteLog("Setting signals handlers...\n");

  signal(SIGTERM, sig_handler);

  signal(SIGCHLD, sig_handler);

  /* Parse command line options */

  while (1) {

    int c = getopt(argc, argv, "hf:");

    if (c == -1) {

      break;

    } else

      switch (c) {

      case 'h':

	printf("Usage: %s [-f mcabberrc_file]\n\n", argv[0]);

        printf("Thanks to AjMacias for cabber!\n\n");

	return 0;

      case 'f':

	configFile = g_strdup(optarg);

	break;

      }

  }

  if (configFile)

    ut_WriteLog("Setting config file: %s\n", configFile);

  /* Parsing config file... */

  ut_WriteLog("Parsing config file...\n");

  cfg_file(configFile);

  if (configFile) g_free(configFile);

  optstring = settings_opt_get("debug");

  if (optstring) ut_InitDebug(1, optstring);

  /* Initialize N-Curses */

  ut_WriteLog("Initializing N-Curses...\n");

  scr_InitCurses();

  ut_WriteLog("Drawing main window...\n");

  scr_DrawMainWindow(TRUE);

  optval   = (settings_opt_get_int("logging") > 0);

  optval2  = (settings_opt_get_int("load_logs") > 0);

  if (optval || optval2)

    hlog_enable(optval, settings_opt_get("logging_dir"), optval2);

  optstring = settings_opt_get("events_command");

  if (optstring)

    hk_ext_cmd_init(optstring);

  ping = 40;

  if (settings_opt_get("pinginterval"))

    ping = (unsigned int) settings_opt_get_int("pinginterval");

  jb_set_keepalive_delay(ping);

  ut_WriteLog("Ping interval stablished: %d secs\n", ping);

  if (settings_opt_get_int("hide_offline_buddies") > 0)

    buddylist_set_hide_offline_buddies(TRUE);

  /* Initialize commands system */

  cmd_init();

  ut_WriteLog("Entering into main loop...\n\n");

  ut_WriteLog("Ready to send/receive messages...\n");

  while (ret != 255) {

    key = scr_Getch();

    // The refresh is really an ugly hack, but we need to call doupdate()

    // from time to time to catch the RESIZE events, because getch keep

    // returning ERR until a real key is pressed :-(

    if (key != ERR) {

      ret = process_key(key);

      refresh = 0;

    } else if (refresh++ > 1) {

      doupdate();

      refresh = 0;

    }

    if (key != KEY_RESIZE)

      jb_main();

    if (update_roster)

      scr_DrawRoster();

  }

  jb_disconnect();

  scr_TerminateCurses();

  printf("\n\nHave a nice day!\nBye!\n");

  return 0;

}