// Copyright (c) 2023 Dominic Masters
// 
// This software is released under the MIT License.
// https://opensource.org/licenses/MIT

#pragma once
#include "VNEvent.hpp"

namespace Dawn {
  class VNParallelEvent :
    public VNEvent,
    public IVNEventParent
  {
    public:
      std::vector<VNEvent*> events;

    protected:
      int32_t eventCount;
      int32_t eventCompleteCount;

      void onStart() override {
        eventCount = 0;
        eventCompleteCount = 0;

        auto itEvents = this->events.begin();
        while(itEvents != this->events.end()) {
          auto event = *itEvents;
          eventCount++;

          useEvent([&]{
            eventCompleteCount++;
            if(eventCompleteCount >= eventCount) this->next();
          }, event->eventFinished);

          event->start(this, this);
          itEvents++;
        }
      }
  };
}