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

#include "VisualNovelBatchEvent.hpp"

using namespace Dawn;

VisualNovelBatchEvent::VisualNovelBatchEvent(
  VisualNovelManager *man,
  std::vector<IVisualNovelEvent*> events
) : IVisualNovelEvent(man) {
  this->activeEvents = events;
}

void VisualNovelBatchEvent::onStart(IVisualNovelEvent *previous) {
  auto it = this->activeEvents.begin();
  while(it != this->activeEvents.end()) {
    auto evt = *it;
    evt->start(previous);
    ++it;
  }
}

bool_t VisualNovelBatchEvent::onUpdate() {
  bool_t result;
  auto it = this->activeEvents.begin();
  while(it != this->activeEvents.end()) {
    auto evt = *it;
    result = evt->update();
    if(result) {
      ++it;
      continue;
    }

    auto subNext = evt->end();

    // In future I may remove this and instead immediately queue the next thing.
    assertNull(subNext);

    it = this->activeEvents.erase(it);
    this->inactiveEvents.push_back(evt);
  }
  return this->activeEvents.size() > 0;
}

void VisualNovelBatchEvent::onEnd() {

}

VisualNovelBatchEvent::~VisualNovelBatchEvent() {
  auto itActive = this->activeEvents.begin();
  while(itActive != this->activeEvents.end()) {
    auto evt = *itActive;
    delete evt;
    ++itActive;
  }

  auto itInactive = this->inactiveEvents.begin();
  while(itInactive != this->inactiveEvents.end()) {
    auto evt = *itInactive;
    delete evt;
    ++itInactive;
  }
}