#include "Resource/MilesRuntime.h"

#include <system_error>

// Host integration helper, not a recovered original constructor. The reference
// imports Miles Sound System directly; this loader has no original function address.
MilesRuntime& MilesRuntime::Get() {
  static MilesRuntime instance;
  return instance;
}

MilesRuntime::MilesRuntime() : m_module(LoadLibraryA("Mss32.dll")) {
  if (!this->m_module) {
    throw std::system_error(GetLastError(), std::system_category(), "Mss32.dll");
  }

  this->startup = reinterpret_cast<decltype(this->startup)>(GetProcAddress(this->m_module, "_AIL_startup@0"));
  this->shutdown = reinterpret_cast<decltype(this->shutdown)>(GetProcAddress(this->m_module, "_AIL_shutdown@0"));
  this->setRedistDirectory =
    reinterpret_cast<decltype(this->setRedistDirectory)>(GetProcAddress(this->m_module, "_AIL_set_redist_directory@4"));
  this->setPreference =
    reinterpret_cast<decltype(this->setPreference)>(GetProcAddress(this->m_module, "_AIL_set_preference@8"));
  this->openDigitalDriver =
    reinterpret_cast<decltype(this->openDigitalDriver)>(GetProcAddress(this->m_module, "_AIL_open_digital_driver@16"));
  this->closeDigitalDriver =
    reinterpret_cast<decltype(this->closeDigitalDriver)>(GetProcAddress(this->m_module, "_AIL_close_digital_driver@4"));
  this->allocateSample =
    reinterpret_cast<decltype(this->allocateSample)>(GetProcAddress(this->m_module, "_AIL_allocate_sample_handle@4"));
  this->releaseSample =
    reinterpret_cast<decltype(this->releaseSample)>(GetProcAddress(this->m_module, "_AIL_release_sample_handle@4"));
  this->initSample = reinterpret_cast<decltype(this->initSample)>(GetProcAddress(this->m_module, "_AIL_init_sample@4"));
  this->setSampleFile =
    reinterpret_cast<decltype(this->setSampleFile)>(GetProcAddress(this->m_module, "_AIL_set_sample_file@12"));
  this->sampleStatus =
    reinterpret_cast<decltype(this->sampleStatus)>(GetProcAddress(this->m_module, "_AIL_sample_status@4"));
  this->setSampleVolume =
    reinterpret_cast<decltype(this->setSampleVolume)>(GetProcAddress(this->m_module, "_AIL_set_sample_volume@8"));
  this->startSample =
    reinterpret_cast<decltype(this->startSample)>(GetProcAddress(this->m_module, "_AIL_start_sample@4"));
  this->endSample = reinterpret_cast<decltype(this->endSample)>(GetProcAddress(this->m_module, "_AIL_end_sample@4"));

  this->openStream =
    reinterpret_cast<decltype(this->openStream)>(GetProcAddress(this->m_module, "_AIL_open_stream@12"));
  this->closeStream =
    reinterpret_cast<decltype(this->closeStream)>(GetProcAddress(this->m_module, "_AIL_close_stream@4"));
  this->streamStatus =
    reinterpret_cast<decltype(this->streamStatus)>(GetProcAddress(this->m_module, "_AIL_stream_status@4"));
  this->setStreamLoopCount = reinterpret_cast<decltype(this->setStreamLoopCount)>(
    GetProcAddress(this->m_module, "_AIL_set_stream_loop_count@8")
  );
  this->streamVolume =
    reinterpret_cast<decltype(this->streamVolume)>(GetProcAddress(this->m_module, "_AIL_stream_volume@4"));
  this->setStreamVolume =
    reinterpret_cast<decltype(this->setStreamVolume)>(GetProcAddress(this->m_module, "_AIL_set_stream_volume@8"));
  this->pauseStream =
    reinterpret_cast<decltype(this->pauseStream)>(GetProcAddress(this->m_module, "_AIL_pause_stream@8"));
  this->startStream =
    reinterpret_cast<decltype(this->startStream)>(GetProcAddress(this->m_module, "_AIL_start_stream@4"));

  this->enumerate3DProviders = reinterpret_cast<decltype(this->enumerate3DProviders)>(
    GetProcAddress(this->m_module, "_AIL_enumerate_3D_providers@12")
  );
  this->open3DProvider =
    reinterpret_cast<decltype(this->open3DProvider)>(GetProcAddress(this->m_module, "_AIL_open_3D_provider@4"));
  this->close3DProvider =
    reinterpret_cast<decltype(this->close3DProvider)>(GetProcAddress(this->m_module, "_AIL_close_3D_provider@4"));
  this->speakerType =
    reinterpret_cast<decltype(this->speakerType)>(GetProcAddress(this->m_module, "_AIL_3D_speaker_type@4"));
  this->setSpeakerType =
    reinterpret_cast<decltype(this->setSpeakerType)>(GetProcAddress(this->m_module, "_AIL_set_3D_speaker_type@8"));
  this->open3DListener =
    reinterpret_cast<decltype(this->open3DListener)>(GetProcAddress(this->m_module, "_AIL_open_3D_listener@4"));
  this->close3DListener =
    reinterpret_cast<decltype(this->close3DListener)>(GetProcAddress(this->m_module, "_AIL_close_3D_listener@4"));
  this->allocate3DSample = reinterpret_cast<decltype(this->allocate3DSample)>(
    GetProcAddress(this->m_module, "_AIL_allocate_3D_sample_handle@4")
  );
  this->release3DSample = reinterpret_cast<decltype(this->release3DSample)>(
    GetProcAddress(this->m_module, "_AIL_release_3D_sample_handle@4")
  );
  this->set3DSampleFile =
    reinterpret_cast<decltype(this->set3DSampleFile)>(GetProcAddress(this->m_module, "_AIL_set_3D_sample_file@8"));
  this->sample3DStatus =
    reinterpret_cast<decltype(this->sample3DStatus)>(GetProcAddress(this->m_module, "_AIL_3D_sample_status@4"));
  this->set3DSampleVolume =
    reinterpret_cast<decltype(this->set3DSampleVolume)>(GetProcAddress(this->m_module, "_AIL_set_3D_sample_volume@8"));
  this->start3DSample =
    reinterpret_cast<decltype(this->start3DSample)>(GetProcAddress(this->m_module, "_AIL_start_3D_sample@4"));
  this->end3DSample =
    reinterpret_cast<decltype(this->end3DSample)>(GetProcAddress(this->m_module, "_AIL_end_3D_sample@4"));
  this->roomType = reinterpret_cast<decltype(this->roomType)>(GetProcAddress(this->m_module, "_AIL_3D_room_type@4"));
  this->setRoomType =
    reinterpret_cast<decltype(this->setRoomType)>(GetProcAddress(this->m_module, "_AIL_set_3D_room_type@8"));
  this->set3DSampleDistances = reinterpret_cast<decltype(this->set3DSampleDistances)>(
    GetProcAddress(this->m_module, "_AIL_set_3D_sample_distances@12")
  );
  this->set3DSampleEffectsLevel = reinterpret_cast<decltype(this->set3DSampleEffectsLevel)>(
    GetProcAddress(this->m_module, "_AIL_set_3D_sample_effects_level@8")
  );
  this->set3DPosition =
    reinterpret_cast<decltype(this->set3DPosition)>(GetProcAddress(this->m_module, "_AIL_set_3D_position@16"));
  this->set3DOrientation =
    reinterpret_cast<decltype(this->set3DOrientation)>(GetProcAddress(this->m_module, "_AIL_set_3D_orientation@28"));

  this->fileType = reinterpret_cast<decltype(this->fileType)>(GetProcAddress(this->m_module, "_AIL_file_type@8"));
  this->wavInfo = reinterpret_cast<decltype(this->wavInfo)>(GetProcAddress(this->m_module, "_AIL_WAV_info@8"));
  this->decompressADPCM =
    reinterpret_cast<decltype(this->decompressADPCM)>(GetProcAddress(this->m_module, "_AIL_decompress_ADPCM@12"));
  this->decompressASI =
    reinterpret_cast<decltype(this->decompressASI)>(GetProcAddress(this->m_module, "_AIL_decompress_ASI@24"));
  this->freeLocked =
    reinterpret_cast<decltype(this->freeLocked)>(GetProcAddress(this->m_module, "_AIL_mem_free_lock@4"));

  if (
    !this->startup || !this->shutdown || !this->setRedistDirectory || !this->setPreference ||
    !this->openDigitalDriver || !this->closeDigitalDriver || !this->allocateSample || !this->releaseSample ||
    !this->initSample || !this->setSampleFile || !this->sampleStatus || !this->setSampleVolume || !this->startSample ||
    !this->endSample || !this->openStream || !this->closeStream || !this->streamStatus || !this->setStreamLoopCount ||
    !this->streamVolume || !this->setStreamVolume || !this->pauseStream || !this->startStream ||
    !this->enumerate3DProviders || !this->open3DProvider || !this->close3DProvider || !this->speakerType ||
    !this->setSpeakerType || !this->open3DListener || !this->close3DListener || !this->allocate3DSample ||
    !this->release3DSample || !this->set3DSampleFile || !this->sample3DStatus || !this->set3DSampleVolume ||
    !this->start3DSample || !this->end3DSample || !this->roomType || !this->setRoomType ||
    !this->set3DSampleDistances || !this->set3DSampleEffectsLevel || !this->set3DPosition || !this->set3DOrientation ||
    !this->fileType || !this->wavInfo || !this->decompressADPCM || !this->decompressASI || !this->freeLocked
  ) {
    FreeLibrary(this->m_module);
    throw std::system_error(ERROR_PROC_NOT_FOUND, std::system_category(), "Mss32 exports");
  }
}

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