#include "level_status.h"

void LevelStatus::_bind_methods() {
	ClassDB::bind_method(D_METHOD("object_destroyed", "value"), &self_type::object_destroyed);
	ADD_SIGNAL(MethodInfo(sig_object_destroyed, PropertyInfo(Variant::FLOAT, "style"), PropertyInfo(Variant::INT, "score")));
}

void LevelStatus::process(double delta) {
	this->time_since_last += delta;
}

void LevelStatus::_notification(int what) {
	if (Engine::get_singleton()->is_editor_hint()) {
		return;
	}
	switch (what) {
		default:
			return;
		case NOTIFICATION_ENTER_TREE:
			instance = this;
			return;
		case NOTIFICATION_EXIT_TREE:
			if (instance == this) {
				instance = nullptr;
			}
			return;
		case NOTIFICATION_READY:
			set_process(true);
			return;
		case NOTIFICATION_PROCESS:
			process(get_process_delta_time());
			return;
	}
}

void LevelStatus::object_destroyed(int value) {
	double style_value{ 1 + (this->max_time_between > this->time_since_last ? this->max_time_between - this->time_since_last : 0.0) };
	this->style += this->base_style_per_object * style_value;
	this->score += value * (1 + this->style);
	emit_signal(sig_object_destroyed, this->style, this->score);
}

String const LevelStatus::sig_object_destroyed{ "object_destroyed" };

LevelStatus *LevelStatus::instance{ nullptr };

LevelStatus *LevelStatus::get_instance() {
	return instance;
}