#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() {
}