#include <QApplication>
#include <QSettings>
#include <QtCore>
#include <getopt.h>
#include <cstdlib>
#include <iostream>

#include <log4cxx/logger.h>
#include <log4cxx/basicconfigurator.h>
#include <log4cxx/propertyconfigurator.h>
#include "qlog4cxx.h"

#include "fbgui.h"
#include "ndgui.h"

#include "../common/fbgui.h"

using namespace log4cxx;
using namespace log4cxx::helpers;
LoggerPtr logger(Logger::getLogger("fbgui"));

void printHelp() {
   QTextStream qout(stdout);
   qout << QObject::tr("Usage: ./fbgui [OPTIONS]") << endl;
   qout << QObject::tr("Options:") << endl;
   qout << "-c <path>,  --config=<path>     " << QObject::tr(
         "Path to configuration file.") << endl;
   qout << "-u <URL>,   --url=<URL>         " << QObject::tr(
         "Sets the URL to be loaded.") << endl;
   qout << "-d <path>,  --download=<path>   " << QObject::tr(
         "Specify the download directory.") << endl;
   qout << "-t <path,   --trigger=<path>    " << QObject::tr(
         "Specify location of the file triggering the URL load.") << endl;
   qout << "-s <path,   --serial=<path>     " << QObject::tr(
         "Specify location of the file containing the serial number.") << endl;
   qout << "-D <level>, --debug=<level>     " << QObject::tr(
         "Activate debug mode. [0,1]") << endl;
   qout << "-h,         --help              " << QObject::tr(
         "Prints this help.") << endl;
   qout.flush();
   exit( EXIT_SUCCESS);
}

int main(int argc, char *argv[]) {
   // Initialisation of the QApplication:
   //   In QT, every application is composed of two separate
   //   components: the GUI-Client and the GUI-Server.
   //
   //   The third parameter sets the application as the
   //   GUI-Server (aswell as the GUI-Client).

   QFileInfo loggingConfInfo = QFileInfo(QDir::home(), ".fbgui.logging.conf");
   QString loggingConfigFilePath;
   if (loggingConfInfo.exists())
      loggingConfigFilePath = loggingConfInfo.absoluteFilePath();
   else {
      loggingConfInfo = QFileInfo(QString("/etc/fbgui.logging.conf"));
      if (loggingConfInfo.exists())
         loggingConfigFilePath = loggingConfInfo.absoluteFilePath();
      else
         loggingConfigFilePath = "";
   }

   if (loggingConfigFilePath.length() > 0) {
      // BasicConfigurator replaced with PropertyConfigurator.
      PropertyConfigurator::configure(loggingConfigFilePath.toStdString());
   } else {
      BasicConfigurator::configure();
   }

   QApplication app(argc, argv, QApplication::GuiServer);
   app.setOrganizationName("team_projekt_2011");
   app.setApplicationName("prebootGUI");
   binPath = QApplication::applicationDirPath();

   QTranslator translator;
   translator.load(":" + QLocale::system().name());
   app.installTranslator(&translator);

   // parse command line arguments using getopt
   QMap<QString, QString> clOpts;
   int longIndex = 0;
   static const char *optString = "c:u:d:s:t:D:hl:n";
   static const struct option longOpts[] = { { "config", required_argument,
         NULL, 'c' }, { "url", required_argument, NULL, 'u' }, { "download",
         required_argument, NULL, 'd' }, { "serial", required_argument, NULL,
         's' }, { "trigger", required_argument, NULL, 't' }, { "debug",
         required_argument, NULL, 'D' }, { "help", no_argument, NULL, 'h' }, {
         "log", required_argument, NULL, 'l' },
         { "nd", no_argument, NULL, 'n' }, { "server", required_argument, NULL,
               'S' }, { "autoup", no_argument, NULL, 'a' }, {
               "socketserverpath", required_argument, NULL, 'p' }, {
               "pathtoexe", required_argument, NULL, 'e' } };
   int opt = getopt_long(argc, argv, optString, longOpts, &longIndex);
   while (opt != -1) {
      switch (opt) {
      case 'c':
         clOpts.insert("configFile", optarg);
         break;
      case 'l':
         clOpts.insert("logFile", optarg);
         break;
      case 'u':
         clOpts.insert("url", optarg);
         break;
      case 'd':
         clOpts.insert("downloadDir", optarg);
         break;
      case 's':
         clOpts.insert("serialLocation", optarg);
         break;
      case 't':
         clOpts.insert("trigger", optarg);
         break;
      case 'D':
         clOpts.insert("debug", optarg);
         break;
      case 'h':
         clOpts.insert("help", "help");
         break;
      case 'n':
         clOpts.insert("nd", "nd");
         break;
      case 'S':
         clOpts.insert("server", optarg);
         break;
      case 'a':
         clOpts.insert("autoup", "autoup");
         break;
      case 'p':
         clOpts.insert("socketserverpath", optarg);
         break;
      case 'e':
         clOpts.insert("pathtoexe", optarg);
         break;
      }
      opt = getopt_long(argc, argv, optString, longOpts, &longIndex);
   }

   if (clOpts.contains("help"))
      printHelp();

   if (clOpts.contains("debug")) {
      debugMode = clOpts.value("debug").toInt();
      // start basic debug output on terminal
      //      qxtLog->disableLoggerEngine("DEFAULT");
      //      qxtLog->enableLogLevels(QxtLogger::DebugLevel);
      //      qxtLog->addLoggerEngine("std_logger", new LoggerEngine_std);
      //      qxtLog->initLoggerEngine("std_logger");
      //      qxtLog->setMinimumLevel("std_logger", QxtLogger::DebugLevel);
   } else
      debugMode = -1;

   // look for config file either in:
   //   - the path found in the configuration file
   //   - the user's home directory (as .fbgui.conf)
   //   - /etc/fbgui.conf

   QString configFilePath;
   QFileInfo confInfo;
   if (clOpts.contains("configFile"))
      configFilePath = clOpts.value("configFile");
   else {
      confInfo = QFileInfo(QDir::home(), ".fbgui.conf");
      if (confInfo.exists())
         configFilePath = confInfo.absoluteFilePath();
      else {
         confInfo = QFileInfo(QString("/etc/fbgui.conf"));
         if (confInfo.exists())
            configFilePath = QString("/etc/fbgui.conf");
         else
            configFilePath = DEFAULT_CONFIG_PATH;
      }
   }

   // read the config file
   QSettings confFileSettings(configFilePath, QSettings::IniFormat);
   confFileSettings.setIniCodec("UTF-8");

   // set base URL to be loaded
   if (clOpts.contains("url"))
      baseURL = QUrl(clOpts.value("url"));
   else if (confFileSettings.contains("default/pbs_url"))
      baseURL = confFileSettings.value("default/pbs_url").toUrl();
   else
      baseURL = DEFAULT_URL;

   // set directory for downloads
   if (clOpts.contains("downloadDir"))
      downloadPath = clOpts.value("downloadDir");
   else if (confFileSettings.contains("default/download_directory"))
      downloadPath
            = confFileSettings.value("default/download_directory").toString();
   else
      downloadPath = DEFAULT_DOWNLOAD_DIR;

   // set update interval for download progress functions of download manager.
   if (confFileSettings.contains("default/update_interval"))
      updateInterval
            = confFileSettings.value("default/update_interval").toInt();
   else
      updateInterval = DEFAULT_UPDATE_INTERVAL;

   // set which file to watch to trigger loading of URL
   if (clOpts.contains("trigger"))
      fileToTriggerURL = clOpts.value("trigger");
   else if (confFileSettings.contains("default/file_trigger"))
      fileToTriggerURL
            = confFileSettings.value("default/file_trigger").toString();
   else
      fileToTriggerURL = DEFAULT_FILE_TRIGGER;

   // set serial location
   if (clOpts.contains("serialLocation"))
      serialLocation = clOpts.value("serialLocation");
   else if (confFileSettings.contains("default/serial_location"))
      serialLocation
            = confFileSettings.value("default/serial_location").toString();
   else
      serialLocation = QString("/serial"); // tests

   // save ip config location (file generated by uchpc)
   if (confFileSettings.contains("default/ip_config"))
      ipConfigFilePath = confFileSettings.value("default/ip_config").toString();

   // save path to log file
   if (clOpts.contains("logFile"))
      logFilePath = clOpts.value("logFile");
   else if (confFileSettings.contains("default/log_file"))
      logFilePath = confFileSettings.value("default/log_file").toString();
   else
      logFilePath = DEFAULT_LOG_FILE_PATH;

   //
   if (clOpts.contains("server"))
      gServerIp = clOpts.value("server");
   else if (confFileSettings.contains("default/server"))
      gServerIp = confFileSettings.value("default/server").toString();
   else
      gServerIp = "209.85.148.105"; //that is a google server. change this to a proper default address

   //
   if (clOpts.contains("autoup"))
      gAutoUp = true;
   else if (confFileSettings.contains("default/autoup"))
      gAutoUp = confFileSettings.value("default/autoup").toBool();
   else
      gAutoUp = false;

   //
   if (clOpts.contains("socketserverpath"))
      gSocketServerPath = clOpts.value("socketserverpath");
   else if (confFileSettings.contains("default/socketserverpath"))
      gSocketServerPath
            = confFileSettings.value("default/socketserverpath").toString();
   else
      gSocketServerPath = DEFAULT_QTSOCKETADDRESS;

   //
   if (clOpts.contains("pathtoexe"))
      gPathToDhcpExe = clOpts.value("pathtoexe");
   else if (confFileSettings.contains("default/pathtoexe"))
      gPathToDhcpExe = confFileSettings.value("default/pathtoexe").toString();
   else
      gPathToDhcpExe = DEFAULT_PATHTODHCPCDEXE;

   // write always a log file
   // // activate file logger if debug mode activated.
   // if (debugMode > -1) {
   // start debug logging to file.
   //      qxtLog->addLoggerEngine("file_logger", new LoggerEngine_file(logFilePath));
   //      qxtLog->setMinimumLevel("file_logger", QxtLogger::DebugLevel);
   // }

   // print config
   LOG4CXX_DEBUG(logger, "*************   CONFIG INFO   *************");
   LOG4CXX_DEBUG(logger, "configFilePath:   " << configFilePath);
   LOG4CXX_DEBUG(logger, "logFilePath:      " << logFilePath);
   LOG4CXX_DEBUG(logger, "ipConfigFilePath: " << ipConfigFilePath);
   LOG4CXX_DEBUG(logger, "baseURL:          " << baseURL.toString());
   LOG4CXX_DEBUG(logger, "downloadDir :     " << downloadPath);
   LOG4CXX_DEBUG(logger, "trigger:          " << fileToTriggerURL);
   LOG4CXX_DEBUG(logger, "serialLocation:   " << serialLocation);
   if (clOpts.contains("nd") || confFileSettings.contains("default/nd")) {
      LOG4CXX_DEBUG(logger, "*******************************************");
      LOG4CXX_DEBUG(logger, "Network Discovery activated:");
      LOG4CXX_DEBUG(logger, "server:           " << gServerIp);
      LOG4CXX_DEBUG(logger, "autoup:           " << gAutoUp);
      LOG4CXX_DEBUG(logger, "socketserverpath: " << gSocketServerPath);
      LOG4CXX_DEBUG(logger, "pathtoexe:        " << gPathToDhcpExe);
   } else {
      LOG4CXX_DEBUG(logger, "Network Discovery deactivated.");
   }
   LOG4CXX_DEBUG(logger, "*******************************************");

   // set invisible cursor
   //QWSServer::instance()->setCursorVisible(false);

   // set default keyboard / mouse drivers. TODO: fix this, doesn't work...
   //QWSServer::instance()->setDefaultKeyboard("TTY:/dev/tty0");
   //QWSServer::instance()->setDefaultMouse("IntelliMouse:/dev/mice");


   fbgui gui;
   ndgui ngui;

   if (clOpts.contains("nd") || confFileSettings.contains("default/nd")) {
      LOG4CXX_DEBUG(logger, "Initializing ndgui...");
      QObject::connect(&ngui, SIGNAL(initFbgui()), &gui, SLOT(init()));
      ngui.init();
      ngui.show();
   } else {
      gui.init();
      gui.show();
   }

   return app.exec();
}