#include "clue_finder.h"
#include "scene/main/node.h"
#include <core/config/engine.h>

ClueFinder *ClueFinder::singleton_instance{ nullptr };

void ClueFinder::_bind_methods() {}

void ClueFinder::enter_tree() {
	if (singleton_instance == nullptr) {
		singleton_instance = this;
	} else {
		queue_free();
	}
}

void ClueFinder::exit_tree() {
	if (singleton_instance == this) {
		singleton_instance = nullptr;
	}
}

void ClueFinder::_notification(int what) {
	if (Engine::get_singleton()->is_editor_hint()) {
		return;
	}
	switch (what) {
		case NOTIFICATION_ENTER_TREE:
			enter_tree();
			return;
		case NOTIFICATION_EXIT_TREE:
			exit_tree();
			return;
		default:
			return;
	}
}

ClueFinder *ClueFinder::get_singleton() {
	return singleton_instance;
}

ClueMarker *ClueFinder::find_current_clue() {
	for (ClueMarker *marker : this->clue_markers) {
		if (marker->is_visible()) {
			return marker;
		}
	}
	return nullptr;
}

void ClueFinder::register_clue_marker(ClueMarker *marker) {
	this->clue_markers.insert(marker);
}