#pragma once

#include <algorithm>
#include <functional>
#include <td/common/NonCopyable.h>
#include <vector>

namespace td {
namespace utils {

template <typename... Args>
class Signal : private NonCopyable {
  private:
	using CallBack = std::function<void(Args...)>;

	std::vector<CallBack> m_Callbacks;

  public:
	void Connect(CallBack&& a_Callback) {
		m_Callbacks.push_back(std::move(a_Callback));
	}

	void operator()(Args... args) const {
		for (const CallBack& callback : m_Callbacks) {
			callback(args...);
		}
	}
};

}  // namespace utils
}  // namespace td