//
// Created by erki on 24/10/23.
//

#pragma once

#include <tuple>
#include <utility_function.hpp>
#include <utility_ringbuffer.hpp>

#include "cpptick/argstore.hpp"

namespace cpptick
{

struct Scheduler
{
  using StoredCall = std::pair<Utility::IFunction<void (ArgStorage&)>*, ArgStorage>;
  Utility::Ringbuffer<StoredCall, 12> stored_calls;

  void tick()
  {
    if (!stored_calls.empty())
    {
      auto* f = stored_calls.begin()->first;
      auto& args = stored_calls.begin()->second;
      (*f)(args);
      stored_calls.pop_front();
    }
  }

  ArgStorage& storeCall(Utility::IFunction<void (ArgStorage&)>* call)
  {
    // @todo: handle overflow...

    // still constructs double.
    stored_calls.emplace_back(call, ArgStorage{});
    auto& storage = stored_calls.back().second;
    storage.reset();
    return storage;
  }
};

}