#include "clue_finder.h"
#include "core/config/engine.h"
#include "scene/3d/xr/xr_nodes.h"
#include "scene/main/node.h"

ClueFinder *ClueFinder::singleton_instance{ nullptr };

void ClueFinder::_bind_methods() {
	ClassDB::bind_method(D_METHOD("take_photo"), &ClueFinder::take_photo);
}

void ClueFinder::enter_tree() {
	if (singleton_instance == nullptr) {
		singleton_instance = this;
	} else {
		queue_free();
	}
	if (XRController3D * controller{ cast_to<XRController3D>(get_parent()) }) {
		controller->connect("button_pressed", callable_mp(this, &self_type::on_button_pressed));
	}
}

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

void ClueFinder::on_button_pressed(String button) {
	if (button == "trigger_click") {
		take_photo();
	}
	if (button == "ax_button") {
		send_photo();
	}
	if (button == "by_button") {
		delete_photo();
	}
}

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);
}

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

void ClueFinder::take_photo() {
	this->found_marker = find_current_clue();
}

void ClueFinder::send_photo() {
	if (this->found_marker) {
		this->found_marker->reveal();
	}
}

void ClueFinder::delete_photo() {
	this->found_marker = nullptr;
}