/*
   client/keyboard.cc
   This file is part of the Osirion project and is distributed under
   the terms and conditions of the GNU General Public License version 2
*/

#include <iostream>
#include <iomanip>
#include <fstream>

#include "auxiliary/functions.h"
#include "client/keyboard.h"
#include "core/application.h"
#include "core/commandbuffer.h"
#include "filesystem/filesystem.h"
#include "sys/sys.h"

namespace client
{

/*
Notes:
http://docs.mandragor.org/files/Common_libs_documentation/SDL/SDL_Documentation_project_en/sdlkey.html
*/

Keyboard::Keyboard()
{
	// ------------------ ACTIONS

	// FIXME actions should be state keys and not use key repeat
	add_action("+console", Action::Console, "console key");

	add_action("+left", Action::Left, "rotate left");
	add_action("+right", Action::Right, "rotate right");
	add_action("+up", Action::Up, "rotate up");
	add_action("+down", Action::Down, "rotate down");

	add_action("+rollleft", Action::RollLeft, "roll left");
	add_action("+rollright", Action::RollRight, "roll right");

	add_action("+lookleft", Action::LookLeft, "look left");
	add_action("+lookright", Action::LookRight, "look right");
	add_action("+lookup", Action::LookUp, "look up");
	add_action("+lookdown", Action::LookDown, "look down");

	add_action("+zoomin", Action::ZoomIn, "zoom camera in");
	add_action("+zoomout", Action::ZoomOut, "zoom camera out");

	add_action("+thrustup", Action::ThrustUp, "increase thruster");
	add_action("+thrustdown", Action::ThrustDown, "decrease thruster");

	add_action("+strafeleft", Action::StrafeLeft, "strafe left");
	add_action("+straferight", Action::StrafeRight, "strafe right");
	add_action("+strafeup", Action::StrafeUp, "strafe up");
	add_action("+strafedown", Action::StrafeDown, "strafe down");

	add_action("+afterburner", Action::Afterburner, "afterburner");
	add_action("+reverse", Action::Reverse, "reverse engine");

	add_action("+control", Action::Control, "enable mouse control while pressed");
	
	add_action("+fire", Action::Fire, "fire weapons");
	
	add_action("+freelook", Action::FreeLook, "free look");

	// ------------------ KEYS
	Key *key = 0;

	add_key(SDL_SCANCODE_BACKSPACE, "backspace");
	add_key(SDL_SCANCODE_TAB, "tab", 0, "impulse");
	add_key(SDL_SCANCODE_CLEAR, "clear");
	key = add_key( SDL_SCANCODE_RETURN, "enter", 0, "ui_chat");
	key->assign(Key::Alt, "toggle r_fullscreen");
	add_key(SDL_SCANCODE_PAUSE, "pause");
	add_key(SDL_SCANCODE_ESCAPE, "esc");
	add_key(SDL_SCANCODE_SPACE, "space", ' ', "ui_control");

	add_key(SDL_SCANCODE_0, "0", '0');
	add_key(SDL_SCANCODE_1, "1", '1');
	add_key(SDL_SCANCODE_2, "2", '2');
	add_key(SDL_SCANCODE_3, "3", '3');
	add_key(SDL_SCANCODE_4, "4", '4');
	add_key(SDL_SCANCODE_5, "5", '5');
	add_key(SDL_SCANCODE_6, "6", '6');
	add_key(SDL_SCANCODE_7, "7", '7');
	add_key(SDL_SCANCODE_8, "8", '8');
	add_key(SDL_SCANCODE_9, "9", '9');

	add_key(SDL_SCANCODE_MINUS, "-", '-');
	add_key(SDL_SCANCODE_EQUALS, "=", '=');
	add_key(SDL_SCANCODE_LEFTBRACKET, "[", '[');
	add_key(SDL_SCANCODE_RIGHTBRACKET, "]", ']');
	add_key(SDL_SCANCODE_SEMICOLON, ";", ';');	
	add_key(SDL_SCANCODE_APOSTROPHE,"'", '\'');
	add_key(SDL_SCANCODE_BACKSLASH, "\\", '\\');
	
	
	add_key(SDL_SCANCODE_COMMA, ",", ',');
	add_key(SDL_SCANCODE_PERIOD, ".", '.');
	add_key(SDL_SCANCODE_SLASH, "/", '/');
	add_key(SDL_SCANCODE_GRAVE,"`", '`', "+console");

	add_key(SDL_SCANCODE_A, "a", 'a', "+strafeleft");
	add_key(SDL_SCANCODE_B, "b", 'b', "beam");
	add_key(SDL_SCANCODE_C, "c", 'c');
	add_key(SDL_SCANCODE_D, "d", 'd', "+straferight");
	add_key(SDL_SCANCODE_E, "e", 'e', "+rollright");
	add_key(SDL_SCANCODE_F, "f", 'f', "+strafedown");
	add_key(SDL_SCANCODE_G, "g", 'g');
	add_key(SDL_SCANCODE_H, "h", 'h');
	add_key(SDL_SCANCODE_I, "i", 'i', "ui_inventory");
	add_key(SDL_SCANCODE_J, "j", 'j');
	add_key(SDL_SCANCODE_K, "k", 'k');
	add_key(SDL_SCANCODE_L, "l", 'l');
	add_key(SDL_SCANCODE_M, "m", 'm', "ui_map");
	key = add_key(SDL_SCANCODE_N, "n", 'n', "target_next");
	key->assign(Key::Shift, "target_prev");
	key->assign(Key::Ctrl, "target_none");
	add_key(SDL_SCANCODE_O, "o", 'o');
	add_key(SDL_SCANCODE_P, "p", 'p');
	add_key(SDL_SCANCODE_Q, "q", 'q', "+rollleft");
	add_key(SDL_SCANCODE_R, "r", 'r', "+strafeup");
	add_key(SDL_SCANCODE_S, "s", 's', "+reverse");
	add_key(SDL_SCANCODE_T, "t", 't', "ui_chatbar");
	add_key(SDL_SCANCODE_U, "u", 'u');
	key = add_key(SDL_SCANCODE_V, "v", 'v', "view_next");
	key->assign(Key::Shift, "view_prev");
	add_key(SDL_SCANCODE_W, "w", 'w', "+afterburner");	
	key = add_key(SDL_SCANCODE_X, "x", 'x', "target_controlable_next");
	key->assign(Key::Shift, "target_controlable_prev");
	key->assign(Key::Ctrl, "target_center");	
	add_key(SDL_SCANCODE_Y, "y", 'y');
	add_key(SDL_SCANCODE_Z, "z", 'z');

	add_key(SDL_SCANCODE_DELETE, "del");
	add_key(SDL_SCANCODE_KP_0, "kp0");
	add_key(SDL_SCANCODE_KP_1, "kp1");
	add_key(SDL_SCANCODE_KP_2, "kp2", 0, "+up");
	add_key(SDL_SCANCODE_KP_3, "kp3");
	add_key(SDL_SCANCODE_KP_4, "kp4", 0, "+left");
	add_key(SDL_SCANCODE_KP_5, "kp5");
	add_key(SDL_SCANCODE_KP_6, "kp6", 0, "+right");
	add_key(SDL_SCANCODE_KP_7, "kp7", 0, "+rollleft");
	add_key(SDL_SCANCODE_KP_8, "kp8", 0, "+down");
	add_key(SDL_SCANCODE_KP_9, "kp9", 0, "+rollright");

	add_key(SDL_SCANCODE_KP_PERIOD, "kpperiod", '.');
	add_key(SDL_SCANCODE_KP_DIVIDE, "kpdiv", '/', "+zoomin");
	add_key(SDL_SCANCODE_KP_MULTIPLY, "kpmul", '*', "+zoomout");
	add_key(SDL_SCANCODE_KP_MINUS, "kpmin", '-', "+thrustdown");
	add_key(SDL_SCANCODE_KP_PLUS, "kpplus", '+', "+thrustup");
	add_key(SDL_SCANCODE_KP_ENTER, "kpenter", '\n', "ui_chat");
	add_key(SDL_SCANCODE_KP_EQUALS, "kpequal", '=');
	add_key(SDL_SCANCODE_KP_LESS, "kpless", '<');
	
	add_key(SDL_SCANCODE_LEFT, "left", 0, "+ lookleft");
	add_key(SDL_SCANCODE_RIGHT, "right", 0, "+lookright");
	add_key(SDL_SCANCODE_UP, "up", 0, "+lookup");
	add_key(SDL_SCANCODE_DOWN, "down", 0, "+lookdown");
	

	add_key(SDL_SCANCODE_INSERT, "insert");
	add_key(SDL_SCANCODE_HOME, "home");
	add_key(SDL_SCANCODE_END, "end");
	add_key(SDL_SCANCODE_PAGEUP, "pageup");
	add_key(SDL_SCANCODE_PAGEDOWN, "pagedown");

	add_key(SDL_SCANCODE_F1, "f1", 0, "freeflight");
	add_key(SDL_SCANCODE_F2, "f2", 0, "@goto");
	add_key(SDL_SCANCODE_F3, "f3", 0, "@dock");
	key = add_key(SDL_SCANCODE_F4, "f4", 0, "@formation");
#ifdef _WIN32
	key->assign(Key::Alt, "quit");
#endif
	add_key(SDL_SCANCODE_F5, "f5", 0, "savegame");
	add_key(SDL_SCANCODE_F6, "f6");
	add_key(SDL_SCANCODE_F7, "f7");
	add_key(SDL_SCANCODE_F8, "f8");
	add_key(SDL_SCANCODE_F9, "f9", 0, "loadgame");
	add_key(SDL_SCANCODE_F10, "f10");
	add_key(SDL_SCANCODE_F11, "f11");
	add_key(SDL_SCANCODE_F12, "f12");
	add_key(SDL_SCANCODE_F13, "f13");
	add_key(SDL_SCANCODE_F14, "f14");
	add_key(SDL_SCANCODE_F15, "F15");

	add_key(SDL_SCANCODE_NUMLOCKCLEAR, "numlock");
	add_key(SDL_SCANCODE_CAPSLOCK, "capslock");
	add_key(SDL_SCANCODE_SCROLLLOCK, "scrollock");

	add_key(SDL_SCANCODE_RSHIFT, "rshift");
	add_key(SDL_SCANCODE_LSHIFT, "lshift", 0, "+freelook");

	add_key(SDL_SCANCODE_RCTRL, "rctrl");
	add_key(SDL_SCANCODE_LCTRL, "lctrl");

	add_key(SDL_SCANCODE_RALT, "ralt");
	add_key(SDL_SCANCODE_LALT, "lalt");

	add_key(SDL_SCANCODE_RGUI, "rgui");
	add_key(SDL_SCANCODE_LGUI, "lgui");
	add_key(SDL_SCANCODE_MODE, "mode");

	add_key(SDL_SCANCODE_HELP, "help");
	add_key(SDL_SCANCODE_PRINTSCREEN, "print", 0, "screenshot");
	add_key(SDL_SCANCODE_SYSREQ, "sysrq");
	add_key(SDL_SCANCODE_PAUSE, "pause");
	add_key(SDL_SCANCODE_MENU, "menu");
	add_key(SDL_SCANCODE_POWER, "power");


	// mouse button aliases
	add_key(512 + SDL_BUTTON_LEFT, "mouse1", 0, "+control");
	add_key(512 + SDL_BUTTON_RIGHT, "mouse2", 0, "+fire");
	add_key(512 + SDL_BUTTON_MIDDLE, "mouse3");
	
	// mouse wheel aliases
	add_key(600, "mwheelup", 0, "+thrustup");
	add_key(601, "mwheeldown", 0, "+thrustdown");

	// joystick button aliases
	add_key(1024, "joy0");
	add_key(1025, "joy1", 0, "target_center");
	add_key(1026, "joy2");
	add_key(1027, "joy3");
	add_key(1028, "joy4");
	add_key(1029, "joy5");
	add_key(1030, "joy6");
	add_key(1031, "joy7");
	add_key(1032, "joy8");
	add_key(1033, "joy9");
	add_key(1034, "joy10");
	add_key(1035, "joy11");
	add_key(1036, "joy12");
	add_key(1037, "joy13");
	add_key(1038, "joy14");
	add_key(1039, "joy15");
	
	// ------------------ CONTROLS		
	add_control("Toggle mouse control",	"ui_control",		"space");
	add_control("Mouse control",		"+control",		"mouse1");
	
	add_control("Turn left",		"+left",		"kp4");
	add_control("Turn right",		"+right",		"kp6");
	add_control("Turn up",			"+up",			"kp8");
	add_control("Turn down",		"+down",		"kp2");

	add_control("Strafe left",		"+strafeleft", 		"a");
	add_control("Strafe right",		"+straferight", 	"d");
	add_control("Strafe up", 		"+strafeup", 		"r");
	add_control("Strafe down", 		"+strafedown", 		"f");
		
	add_control("Roll left",		"+rollleft",		"q");
	add_control("Roll right",		"+rollright",		"e");
	
	add_control("Decrease thruster",	"+thrustdown",		"kpmin");
	add_control("Increase thruster",	"+thrustup",		"kpplus");

	add_control("Aferburner",		"+afterburner",		"w");
	add_control("Reverse engine",		"+reverse",		"s");	
	
	add_control("Impulse engine", 		"impulse", 		"tab");
	
	add_control("Fire weapons",		"+fire",		"mouse2");
	
	add_control("Beam cargo",		"beam",			"b");
	
	add_control("Open inventory",		"ui_inventory",		"i");
	add_control("Open map",			"ui_map",		"m");
	add_control("Open chat", 		"ui_chat", 		"enter");
	add_control("Open talk",		"ui_chatbar",		"t");
	
	add_control("Target next object",	"target_next",			"n");
	add_control("Target previous object",	"target_prev",			"shift+n");
	add_control("Target none",		"target_none",			"ctrl+n");
	add_control("Target next ship", 	"target_controlable_next",	"x");
	add_control("Target previous ship", 	"target_controlable_prev",	"shift+x");	
	add_control("Target center",		"target_center",		"ctrl+x");
		
	add_control("Camera next",		"view_next",		"v");
	add_control("Camera previous",		"view_prev",		"shift+v");
	add_control("Camera zoom in",		"+zoomin",		"kpdiv");
	add_control("Camera zoom out",		"+zoomout",		"kpmul");
	
	add_control("Camera turn left",		"+lookleft",		"left");
	add_control("Camera turn right",	"+lookright",		"right");
	add_control("Camera turn up",		"+lookup",		"up");
	add_control("Camera turn down",		"+lookdown",		"down");
	
	add_control("Freelook",			"+freelook",		"lshift");
	
	add_control("Free flight",		"freeflight",		"f1");
	add_control("Autopilot goto",		"@goto",		"f2");
	add_control("Autopilot dock",		"@dock",		"f3");
	add_control("Autopilot formation",	"@formation",		"f4");
	
	add_control("Quicksave",		"savegame",		"f5");
	add_control("Quickload",		"loadgame",		"f9");
	
	add_control("Wingmen toggle recall",	"wingmen recall",	"shift+c");
	add_control("Wingmen toggle combat",	"wingmen combat",	"shift+b");
	
	add_control("Screenshot",		"screenshot",		"print");
	add_control("Toggle fullscreen", 	"toggle r_fullscreen",	"alt+enter");	
	add_control("Toggle console",		"+console",		"`");
}

Keyboard::~Keyboard()
{
	// clear key map
	for (Keys::iterator it = _keys.begin(); it != _keys.end(); ++it)
	{
		delete(*it).second;
	}
	_keys.clear();

	// clear action list
	for (Actions::iterator ait = _actions.begin(); ait != _actions.end(); ++ait)
	{
		delete(*ait);
	}
	_actions.clear();
	
	// clear control list
	for (Controls::iterator cit = _controls.begin(); cit != _controls.end(); ++cit)
	{
		delete(*cit);
	}
	_controls.clear();
}

void Keyboard::save_binds() const
{
	std::string filename(filesystem::writedir());
	filename.append("binds.cfg");
	std::ofstream ofs(filename.c_str());

	if (!ofs.is_open()) {
		con_warn << "Could not write " << filename << std::endl;
		return;
	}

	con_print << "  writing keyboard binds to " << filename << std::endl;

	ofs << "# binds.cfg - osirion keyboard binds" << std::endl;
	ofs << "# this file is automaticly generated" << std::endl;
	ofs << std::endl;

	for (Keys::const_iterator it = _keys.begin(); it != _keys.end(); ++it)
	{
		Key *key = (*it).second;
		if (key->bind(Key::None).size()) {
			ofs << "bind " << key->name() << " \"" << key->bind(Key::None) << '\"' << std::endl;
		}
		if (key->bind(Key::Shift).size()) {
			ofs << "bind shift+" << key->name() << " \"" << key->bind(Key::Shift) << '\"' << std::endl;
		}
		if (key->bind(Key::Ctrl).size()) {
			ofs << "bind ctrl+" << key->name() << " \"" << key->bind(Key::Ctrl) << '\"' << std::endl;
		}
		if (key->bind(Key::Alt).size()) {
			ofs << "bind alt+" << key->name() << " \"" << key->bind(Key::Alt) << '\"' << std::endl;
		}
		/*
		} else {
			ofs << "unbind " << key->name() << std::endl;
		}
		*/
	}
	ofs.close();
}

void Keyboard::load_binds()
{
	std::string filename(filesystem::writedir());
	filename.append("binds.cfg");
	std::ifstream ifs(filename.c_str(), std::ifstream::in);

	if (!ifs.is_open()) {
		con_warn << "Could not read " << filename << std::endl;
		return;
	}

	con_print << "  reading keyboard binds from " << filename << std::endl;

	char line[MAXCMDSIZE];
	while (ifs.getline(line, MAXCMDSIZE - 1)) {
		if (line[0] && line[0] != '#' && line[0] != ';') {
			core::CommandBuffer::exec(line);
		}
	}
	
	load_controls();
}

void Keyboard::load_controls()
{
	for (Controls::iterator cit = _controls.begin(); cit != _controls.end(); ++cit)
	{
		Control *control = *cit;
		bool found = false;
		for (Keys::iterator kit = _keys.begin(); kit != _keys.end();)
		{
			Key *key = (*kit).second;
			if (control->command().compare(key->bind(Key::None)) == 0)
			{
				control->set_keyname(key->name());
				kit = _keys.end();
				found = true;
			}
			else if (control->command().compare(key->bind(Key::Shift)) == 0)
			{
				control->set_keyname("shift+" + key->name());
				kit = _keys.end();
				found = true;
			}
			else if (control->command().compare(key->bind(Key::Ctrl)) == 0)
			{
				control->set_keyname("ctrl+" + key->name());
				kit = _keys.end();
				found = true;
			}
			else if (control->command().compare(key->bind(Key::Alt)) == 0)
			{
				control->set_keyname("alt+" + key->name());
				kit = _keys.end();
				found = true;
			}
			else
			{
				++kit;
			}
		}
		if (!found)
		{
			control->set_keyname("");
		}
	}
}

void Keyboard::reset()
{
	for (Keys::iterator it = _keys.begin(); it != _keys.end(); ++it)
	{
		Key *key = (*it).second;
		if (key) {
			key->key_pressed = 0;
			key->key_lastpressed = 0;
			key->key_waspressed = 0;
		}
	}
}

Key * Keyboard::release(const unsigned int scancode)
{
	Key *key = find(scancode);
	if (!key) {
		return 0;
	}

	key->key_waspressed = (core::application()->time() - key->pressed());
	key->key_pressed = 0;
	key->key_lastpressed = 0;

	return key;
}

Key * Keyboard::press(const unsigned int scancode)
{
	Key *key = find(scancode);
	if (!key) {
		return 0;
	}

	return press(key);
}

Key * Keyboard::press(Key *key)
{
	if (key->pressed() == 0) {
		key->key_pressed = core::application()->time();
		key->key_waspressed = 0;
	}
	key->key_lastpressed = core::application()->time();
	return key;
}

Key *Keyboard::find(std::string const & name)
{
	Key *key = 0;
	for (Keys::iterator it = _keys.begin(); it != _keys.end(); ++it)
	{
		if ((*it).second->name().compare(name) == 0)
		{
			key = (*it).second;
		}
	}
	return key;
}

Key *Keyboard::find(const unsigned int scancode)
{
	Keys::iterator it = _keys.find(scancode);
	if (it == _keys.end())
	{
		return 0;
	}
	else
	{
		return (*it).second;
	}
}

void Keyboard::bind(std::string const &name, const std::string str)
{
	Key::Modifier modifier = Key::None;
	std::string keyname(name);

	if ((keyname.size() > 6) && (keyname.substr(0, 6).compare("shift+") == 0)) {
		keyname.erase(0, 6);
		modifier = Key::Shift;
	} else if ((keyname.size() > 5) && (keyname.substr(0, 5).compare("ctrl+") == 0)) {
		keyname.erase(0, 5);
		modifier = Key::Ctrl;
	} else if ((keyname.size() > 4) && (keyname.substr(0, 4).compare("alt+") == 0)) {
		keyname.erase(0, 4);
		modifier = Key::Alt;

	} else if ((keyname.size() > 6) && (keyname.substr(keyname.size() - 6, 6).compare("+shift") == 0)) {
		keyname.erase(keyname.size() - 6, 6);
		modifier = Key::Shift;
	} else if ((keyname.size() > 5) && (keyname.substr(keyname.size() - 5, 5).compare("+ctrl") == 0)) {
		keyname.erase(keyname.size() - 5, 5);
		modifier = Key::Ctrl;
	} else if ((keyname.size() > 4) && (keyname.substr(keyname.size() - 4, 4).compare("+alt") == 0)) {
		keyname.erase(0, keyname.size() - 46);
		modifier = Key::Alt;
	}

	Key *key = find(keyname);
	if (key) {
		// assign new bind of requested
		if (str.size()) {
			Action *action = 0;
			for (Actions::iterator it = _actions.begin(); it != _actions.end(); ++it) {
				if ((*it)->name().compare(str) == 0) {
					action = (*it);
				}
			}
			
			if (action && (modifier != Key::None)) {
				if (modifier == Key::Shift) {
					con_warn << "Key with modifier 'shift+" << key->name() << "' can not be bound to action '" << action->name() << "'!" << std::endl;								
				} else if (modifier == Key::Ctrl) {
					con_warn << "Key with modifier 'ctrl+" << key->name() << "' can not be bound to action '" << action->name() << "'!" << std::endl;				
				} else if (modifier == Key::Alt) {
					con_warn << "Key with modifier 'alt+" << key->name() << "' can not be bound to action '" << action->name() << "'!" << std::endl;
				}
				return;
			}			
			key->assign(modifier, str.c_str(), action);
		}

		// print current bind to console, even when no new bind was assigned
		if (modifier == Key::None) {
			con_print << "       " << aux::pad_right(key->name(), 6) << " " << key->bind(Key::None) << std::endl;
		} else if (modifier == Key::Shift) {
			con_print << " shift+" << aux::pad_right(key->name(), 6) << " " << key->bind(Key::Shift) << std::endl;
		} else if (modifier == Key::Ctrl) {
			con_print << "  ctrl+" << aux::pad_right(key->name(), 6) << " " << key->bind(Key::Ctrl) << std::endl;		
		} else if (modifier == Key::Alt) {
			con_print << "   alt+" << aux::pad_right(key->name(), 6) << " " << key->bind(Key::Alt) << std::endl;
		}
			
	} else {
		con_warn << "Key '" << name << "' not found!" << std::endl;
	}
}

void Keyboard::unbind(std::string const &name)
{
	Key::Modifier modifier = Key::None;
	std::string keyname(name);

	if ((keyname.size() > 6) && (keyname.substr(0, 6).compare("shift+") == 0)) {
		keyname.erase(0, 6);
		modifier = Key::Shift;
	} else if ((keyname.size() > 5) && (keyname.substr(0, 5).compare("ctrl+") == 0)) {
		keyname.erase(0, 5);
		modifier = Key::Ctrl;
	} else if ((keyname.size() > 4) && (keyname.substr(0, 4).compare("alt+") == 0)) {
		keyname.erase(0, 4);
		modifier = Key::Alt;

	} else if ((keyname.size() > 6) && (keyname.substr(keyname.size() - 6, 6).compare("+shift") == 0)) {
		keyname.erase(keyname.size() - 6, 6);
		modifier = Key::Shift;
	} else if ((keyname.size() > 5) && (keyname.substr(keyname.size() - 5, 5).compare("+ctrl") == 0)) {
		keyname.erase(keyname.size() - 5, 5);
		modifier = Key::Ctrl;
	} else if ((keyname.size() > 4) && (keyname.substr(keyname.size() - 4, 4).compare("+alt") == 0)) {
		keyname.erase(0, keyname.size() - 46);
		modifier = Key::Alt;
	}

	Key *key = find(keyname);
	if (key) {
		key->clear(modifier);
	} else {
		con_print << "Key '" << name << "' not found." << std::endl;
	}
}

void Keyboard::unbindall()
{
	for (Keys::iterator it = _keys.begin(); it != _keys.end(); ++it)
	{
		Key *key = (*it).second;
		key->clear();
	}
}

Key * Keyboard::add_key(const unsigned int scancode, const char *name, const char ascii, const char *bind)
{
	Key *key = new Key(scancode, name, ascii);
	_keys[scancode] =  key;
	if (bind)
	{
		std::string bindstr(bind);
		this->bind(key->name(), bindstr);
	}
	return key;
}

Action * Keyboard::add_action(const char *name, Action::Identifier id, const char *description)
{
	Action *action = new Action(name, id, description);
	_actions.push_back(action);
	return action;
}

Control *Keyboard::add_control(const char *name, const char *command, const char *keyname)
{
	Control *control = new Control(name, command, keyname);
	_controls.push_back(control);
	return control;
}

void Keyboard::list_actions() const
{
	for (Actions::const_iterator it = _actions.begin(); it != _actions.end(); ++it)
	{
		con_print << "  " << (*it)->name() << " " << (*it)->description() << std::endl;
	}
	con_print  << _actions.size() << " registered actions" << std::endl;
}

void Keyboard::list_keys() const
{
	for (Keys::const_iterator it = _keys.begin(); it != _keys.end(); ++it)
	{
		con_print << "  " << aux::pad_left((*it).second->name(), 6) << " " << (*it).second->bind(Key::None) << std::endl;
	}
	con_print  << _keys.size() << " registered keys" << std::endl;
}

void Keyboard::list_binds() const
{
	size_t n = 0;
	for (Keys::const_iterator it = _keys.begin(); it != _keys.end(); ++it)
	{
		if ((*it).second->bind(Key::None).size())
		{
			con_print << "       " << aux::pad_right((*it).second->name(), 6) << " " << (*it).second->bind(Key::None) << std::endl;
			n++;
		}
		if ((*it).second->bind(Key::Shift).size())
		{
			con_print << " shift+" << aux::pad_right((*it).second->name(), 6) << " " << (*it).second->bind(Key::Shift) << std::endl;
			n++;
		}
		if ((*it).second->bind(Key::Ctrl).size())
		{
			con_print << "  ctrl+" << aux::pad_right((*it).second->name(), 6) << " " << (*it).second->bind(Key::Ctrl) << std::endl;
			n++;
		}
		if ((*it).second->bind(Key::Alt).size())
		{
			con_print << "   alt+" << aux::pad_right((*it).second->name(), 6) << " " << (*it).second->bind(Key::Alt) << std::endl;
			n++;
		}

	}
	con_print  << n << " registered binds" << std::endl;
}

unsigned int Keyboard::translate_keysym(const unsigned int keysym, const int modifiers)
{
	bool shift = false;

	// keypad keys
	if (modifiers & KMOD_NUM)
	{
		switch (keysym)
		{
			case SDLK_KP_0:
				return '0';
				break;
			case SDLK_KP_1:
				return '1';
				break;
			case SDLK_KP_2:
				return '2';
				break;
			case SDLK_KP_3:
				return '3';
				break;
			case SDLK_KP_4:
				return '4';
				break;
			case SDLK_KP_5:
				return '5';
				break;
			case SDLK_KP_6:
				return '6';
				break;
			case SDLK_KP_7:
				return '7';
				break;
			case SDLK_KP_8:
				return '8';
				break;
			case SDLK_KP_9:
				return '9';
				break;
			case SDLK_KP_PERIOD:
				return '.';
				break;
		}
	}
	else 
	{
		switch (keysym)
		{
			case SDLK_KP_0:
				return SDLK_INSERT;
				break;
			case SDLK_KP_1:
				return SDLK_END;
				break;
			case SDLK_KP_2:
				return SDLK_DOWN;
				break;
			case SDLK_KP_3:
				return SDLK_PAGEDOWN;
				break;
			case SDLK_KP_4:
				return SDLK_LEFT;
				break;
			case SDLK_KP_6:
				return SDLK_RIGHT;
				break;
			case SDLK_KP_7:
				return SDLK_HOME;
				break;
			case SDLK_KP_8:
				return SDLK_UP;
				break;
			case SDLK_KP_9:
				return SDLK_PAGEUP;
				break;
			case SDLK_KP_PERIOD:
				return SDLK_DELETE;
				break;
		}
	}

	// special keys
	switch (keysym)
	{
		case SDLK_ESCAPE:
			return SDLK_ESCAPE;
			break;
		case SDLK_KP_ENTER:
			return SDLK_RETURN;
			break;
		case SDLK_KP_DIVIDE:
			return '/';
			break;
		case SDLK_KP_MULTIPLY:
			return '*';
			break;
		case SDLK_KP_MINUS:
			return '-';
			break;
		case SDLK_KP_PLUS:
			return '+';
			break;
		case SDLK_KP_EQUALS:
			return '=';
			break;
	}

	// caps lock
	if (modifiers & KMOD_CAPS)
	{
		shift = true;
	}

	// left/right shift
	if ((KMOD_LSHIFT + KMOD_RSHIFT) & modifiers)
	{
		shift = !shift;
	}

	if (shift)
	{
		if ((keysym >= 'a' && keysym <= 'z'))
		{
			return keysym + 'A' - 'a';
		}

		switch (keysym) {
			case '`':
				return '~';
				break;
			case '1':
				return '!';
				break;
			case '2':
				return '@';
				break;
			case '3':
				return '#';
				break;
			case '4':
				return '$';
				break;
			case '5':
				return '%';
				break;
			case '6':
				return '^';
				break;
			case '7':
				return '&';
				break;
			case '8':
				return '*';
				break;
			case '9':
				return '(';
				break;
			case '0':
				return ')';
				break;
			case '-':
				return '_';
				break;
			case '=':
				return '+';
				break;
				// second row
			case '[':
				return '{';
				break;
			case ']':
				return '}';
				break;
			case '|':
				return '\\';
				break;
				// third row
			case ';':
				return ':';
				break;
			case '\'':
				return '"';
				break;
				// fourth row
			case ',':
				return '<';
				break;
			case '.':
				return '>';
				break;
			case '/':
				return '?';
				break;
		}
	}

	return keysym;
}

} // namespace client