// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.

#ifndef tools_saui
#define tools_saui

#include "args"

namespace tools {

inline std::string gui_toolkit(args& a_args,bool a_rm_in_args){
  std::string driver;
  a_args.find("-toolkit",driver);
  if(a_rm_in_args) a_args.remove("-toolkit");
  if(driver.empty()) {
    if(a_args.is_arg("-Xt")||
       a_args.is_arg("-xt")||
       a_args.is_arg("-Xm")||
       a_args.is_arg("-xm")||
       a_args.is_arg("-Motif")||
       a_args.is_arg("-motif")) {
      driver = "Xt";
      if(a_rm_in_args) {
        a_args.remove("-Xt");
        a_args.remove("-xt");
        a_args.remove("-Xm");
        a_args.remove("-xm");
        a_args.remove("-Motif");
        a_args.remove("-motif");
      }
    } else if(a_args.is_arg("-Win")||
              a_args.is_arg("-win")||
              a_args.is_arg("-Win32")||
              a_args.is_arg("-win32")) {
      driver = "Win";
      if(a_rm_in_args) {
        a_args.remove("-Win");
        a_args.remove("-win");
        a_args.remove("-Win32");
        a_args.remove("-win32");
      }
    } else if(a_args.is_arg("-NextStep")||
              a_args.is_arg("-nextstep")) {
      driver = "NextStep";
      if(a_rm_in_args) {
        a_args.remove("-NextStep");
        a_args.remove("-nextstep");
      }
    } else if(a_args.is_arg("-Gtk")||
              a_args.is_arg("-gtk")) {
      driver = "Gtk";
      if(a_rm_in_args) {
        a_args.remove("-Gtk");
        a_args.remove("-gtk");
      }
    } else if(a_args.is_arg("-Qt")||
              a_args.is_arg("-qt")) {
      driver = "Qt";
      if(a_rm_in_args) {
        a_args.remove("-Qt");
        a_args.remove("-qt");
      }
    } else if(a_args.is_arg("-SDL")||
              a_args.is_arg("-sdl")) {
      driver = "SDL";
      if(a_rm_in_args) {
        a_args.remove("-SDL");
        a_args.remove("-sdl");
      }
    } else if(a_args.is_arg("-Net")||
              a_args.is_arg("-net")) {
      driver = "Net";
      if(a_rm_in_args) {
        a_args.remove("-Net");
        a_args.remove("-net");
      }
    } else if(a_args.is_arg("-inex")) {
      driver = "inex";
      if(a_rm_in_args) {
        a_args.remove("-inex");
      }
    }
  }

  return driver;
}

inline bool window_size_from_args(const args& a_args,unsigned int& a_ww,unsigned int& a_wh) {
  // set a_ww,a_wh to some common window size (in pixels).
  // return true if a_ww,a_wh set from a_args, false if not.
  bool status = true;
  if(a_args.is_arg("-iPod")||a_args.is_arg("-iPhone")) {
    a_ww = 320;
    a_wh = 480;
  } else if(a_args.is_arg("-iPad")) {
    a_ww = 768;
    a_wh = 1024;
  } else if(a_args.is_arg("-iPhone4")) {
    a_ww = 640;
    a_wh = 960;
  } else if(a_args.is_arg("-wallino")) { //emulate LAL/wallino aspect ratio.
    a_ww = 1024;
    a_wh = 512;
  } else if(a_args.is_arg("-SGS")) { //Samsung Galaxy S
    //a_ww = 320;
    //a_wh = 533;
    a_ww = 480;
    a_wh = 800;
  } else {
    if(a_args.find<unsigned int>("-ww",a_ww)) {
      if(a_args.find<unsigned int>("-wh",a_wh)) return true;
      //A4 : we have ww but not wh. Have wh in order to have A4 landscape :
      a_wh = (unsigned int)(a_ww*(21.0f/29.7f)); //29.7/21 = 0.707
    } else { //we don't have ww.
      if(a_args.find<unsigned int>("-wh",a_wh)) {
        //A4 : we have wh but not ww. Have ww in order to have A4 landscape :
        a_ww = (unsigned int)(a_wh*(29.7f/21.0f));
      } else {
        //we have nothing. Take a ww of 1000 and wh (707) so that to have A4 landscape :
        a_ww = 1000;
        a_wh = (unsigned int)(a_ww*(21.0f/29.7f)); // have A4 landscape.
	status = false;
      }
    }
  }
  if(a_args.is_arg("-land")){
    unsigned int _ww = a_ww;
    unsigned int _wh = a_wh;
    a_ww = mx(_ww,_wh);
    a_wh = mn(_ww,_wh);
  }
  if(a_args.is_arg("-portrait")){
    unsigned int _ww = a_ww;
    unsigned int _wh = a_wh;
    a_ww = mn(_ww,_wh);
    a_wh = mx(_ww,_wh);
  }
  return status;
}

inline void remove_window_size_args(args& a_args) {
  //use with Wt apps.
  a_args.remove("-iPod");
  a_args.remove("-iPhone");
  a_args.remove("-iPad");
  a_args.remove("-iPhone4");
  a_args.remove("-SGS");
  a_args.remove("-ww");
  a_args.remove("-wh");
  a_args.remove("-land");
}

}

#endif