#include "Resource/BinkRuntime.h"

#include <system_error>

BinkRuntime::BinkRuntime() : m_module(LoadLibraryA("binkw32.dll")) {
  if (!this->m_module) {
    throw std::system_error(GetLastError(), std::system_category(), "binkw32.dll");
  }

  this->open = reinterpret_cast<decltype(this->open)>(GetProcAddress(this->m_module, "_BinkOpen@8"));
  this->close = reinterpret_cast<decltype(this->close)>(GetProcAddress(this->m_module, "_BinkClose@4"));
  this->error = reinterpret_cast<decltype(this->error)>(GetProcAddress(this->m_module, "_BinkGetError@0"));
  this->wait = reinterpret_cast<decltype(this->wait)>(GetProcAddress(this->m_module, "_BinkWait@4"));
  this->doFrame = reinterpret_cast<decltype(this->doFrame)>(GetProcAddress(this->m_module, "_BinkDoFrame@4"));
  this->shouldSkip = reinterpret_cast<decltype(this->shouldSkip)>(GetProcAddress(this->m_module, "_BinkShouldSkip@4"));
  this->nextFrame = reinterpret_cast<decltype(this->nextFrame)>(GetProcAddress(this->m_module, "_BinkNextFrame@4"));
  this->copyToBuffer =
    reinterpret_cast<decltype(this->copyToBuffer)>(GetProcAddress(this->m_module, "_BinkCopyToBuffer@28"));
  this->setVolume = reinterpret_cast<decltype(this->setVolume)>(GetProcAddress(this->m_module, "_BinkSetVolume@12"));

  if (
    !this->open || !this->close || !this->error || !this->wait || !this->doFrame || !this->shouldSkip ||
    !this->nextFrame || !this->copyToBuffer || !this->setVolume
  ) {
    FreeLibrary(this->m_module);
    throw std::system_error(ERROR_PROC_NOT_FOUND, std::system_category(), "binkw32 exports");
  }
}

BinkRuntime::~BinkRuntime() {
  FreeLibrary(this->m_module);
}