#include "input_action.h"
#include "os/keyboard.h"

void ShortCut::set_shortcut(const InputEvent& p_shortcut){

	shortcut=p_shortcut;
	emit_changed();
}

InputEvent ShortCut::get_shortcut() const{

	return shortcut;
}

bool ShortCut::is_shortcut(const InputEvent& p_event) const {

	bool same=false;


	switch(p_event.type) {

		case InputEvent::KEY: {

			same=(shortcut.key.scancode==p_event.key.scancode && shortcut.key.mod == p_event.key.mod);

		} break;
		case InputEvent::JOYSTICK_BUTTON: {

			same=(shortcut.joy_button.button_index==p_event.joy_button.button_index);

		} break;
		case InputEvent::MOUSE_BUTTON: {

			same=(shortcut.mouse_button.button_index==p_event.mouse_button.button_index);

		} break;
		case InputEvent::JOYSTICK_MOTION: {

			same=(shortcut.joy_motion.axis==p_event.joy_motion.axis && (shortcut.joy_motion.axis_value < 0) == (p_event.joy_motion.axis_value < 0));

		} break;
		default: {};
	}

	return same;
}

String ShortCut::get_as_text() const {

	switch(shortcut.type) {

		case InputEvent::NONE: {

			return "None";
		} break;
		case InputEvent::KEY: {

			String str;
			if (shortcut.key.mod.shift)
				str+=RTR("Shift+");
			if (shortcut.key.mod.alt)
				str+=RTR("Alt+");
			if (shortcut.key.mod.control)
				str+=RTR("Ctrl+");
			if (shortcut.key.mod.meta)
				str+=RTR("Meta+");

			str+=keycode_get_string(shortcut.key.scancode).capitalize();

			return str;
		} break;
		case InputEvent::JOYSTICK_BUTTON: {

			String str = RTR("Device")+" "+itos(shortcut.device)+", "+RTR("Button")+" "+itos(shortcut.joy_button.button_index);
			str+=".";

			return str;
		} break;
		case InputEvent::MOUSE_BUTTON: {

			String str = RTR("Device")+" "+itos(shortcut.device)+", ";
			switch (shortcut.mouse_button.button_index) {
				case BUTTON_LEFT: str+=RTR("Left Button."); break;
				case BUTTON_RIGHT: str+=RTR("Right Button."); break;
				case BUTTON_MIDDLE: str+=RTR("Middle Button."); break;
				case BUTTON_WHEEL_UP: str+=RTR("Wheel Up."); break;
				case BUTTON_WHEEL_DOWN: str+=RTR("Wheel Down."); break;
				default: str+=RTR("Button")+" "+itos(shortcut.mouse_button.button_index)+".";
			}

			return str;
		} break;
		case InputEvent::JOYSTICK_MOTION: {

			int ax = shortcut.joy_motion.axis;
			String str = RTR("Device")+" "+itos(shortcut.device)+", "+RTR("Axis")+" "+itos(ax)+".";

			return str;
		} break;
	}

	return "";
}

bool ShortCut::is_valid() const {

	return shortcut.type!=InputEvent::NONE;
}

void ShortCut::_bind_methods() {

	ObjectTypeDB::bind_method(_MD("set_shortcut","event"),&ShortCut::set_shortcut);
	ObjectTypeDB::bind_method(_MD("get_shortcut"),&ShortCut::get_shortcut);

	ObjectTypeDB::bind_method(_MD("is_valid"),&ShortCut::is_valid);

	ObjectTypeDB::bind_method(_MD("is_shortcut","event"),&ShortCut::is_shortcut);
	ObjectTypeDB::bind_method(_MD("get_as_text"),&ShortCut::get_as_text);

	ADD_PROPERTY(PropertyInfo(Variant::INPUT_EVENT,"shortcut"),_SCS("set_shortcut"),_SCS("get_shortcut"));
}

ShortCut::ShortCut(){

}