#ifndef __comfortable_swipe_main__
#define __comfortable_swipe_main__
/**
 * The main driver program for `comfortable-swipe-buffer`
 *
 * This C++ program parses the output from libinput debug-events
 * into a buffer and dispatches C++ libxdo commands upon swipe.
 *
 * Possible paths of the executable:
 *
 *   /usr/bin/comfortable-swipe-buffer
 *   /usr/local/bin/comfortable-swipe-buffer
 */
/*
Comfortable Swipe
by Rico Tiongson

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
#include <iostream>  // std::ios, std::cin, std::getline
#include <string> // std::string
#include <map> // std::map
#include "comfortable-swipe-defines.cpp"
#include "comfortable-swipe-gesture-swipe.cpp"
#include "comfortable-swipe-gesture-swipe-xdokey.cpp"
#include "comfortable-swipe-gesture-swipe-xdomouse.cpp"

extern "C" {
  #include <ini.h> // ini_parse
}

/**
 * Registers keys and values from the config file to a map.
 */
int parse_config(void* config, const char section[], const char name[], const char value[])
{
  auto& configmap = *(std::map<std::string, std::string>*) config;
  configmap[name] = value;
  return 0;
}

/**
 * The main driver program.
 */
int main() {
  using namespace std;
  using namespace comfortable_swipe;
  // unsync stdio for faster IO
  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  cout.flush();
  // get configuration file
  map<string, string> config;
  if (ini_parse(COMFORTABLE_SWIPE_CONFIG, parse_config, &config) < 0) {
    cerr << "error: config " << COMFORTABLE_SWIPE_CONFIG << endl;
    return EXIT_FAILURE;
  }
  // initialize keyboard swipe gesture handler
  // commands are: [left|up|right|down][3|4]
  // we will fetch our commands from the config in correct order
  // Examples:
  //   left3=ctrl+alt+Right   shift to right workspace
  //   right3=ctrl+alt+Left   shift to left workspace
  //   up3=super+Up           maximize
  //   down3=super+Down       minimize
  decltype(gesture_swipe_xdokey::commands) commands;
  for (size_t i = 0; i < commands.size(); ++i)
  {
    commands[i] = config[gesture_swipe_xdokey::command_name[i]];
  }
  gesture_swipe_xdokey keyswipe(commands, stof(config["threshold"]));
  // initialize mouse hold gesture handler
  // for now, this supports 3-finger and 4-finger hold
  // Examples:
  //   hold3=move     move mouse on 3 fingers
  //   hold3=button1  hold button 1 on 3 fingers
  //   hold4=button3  hold button 3 (right click) on 3 fingers
  //   hold3=ignore   <do nothing>
  gesture_swipe_xdomouse mousehold(config["hold3"].data(), config["hold4"].data());
  // start reading lines from input one by one
  for (string line; getline(cin, line);) {
    // prioritize mouse hold gesture first before keyboard gesture
    mousehold.run(line.data());
    // if mouse hold fails, try keyboard swipe
    // attempt to parse keyboard gestures
    if (!mousehold.is_holding()) {
      keyswipe.run(line.data());
    }
  }
  return EXIT_SUCCESS;
}

#endif