#include "falloutnvsavegame.h"

#include "gamefalloutnv.h"

FalloutNVSaveGame::FalloutNVSaveGame(QString const& fileName, GameFalloutNV const* game)
    : GamebryoSaveGame(fileName, game)
{
  FileWrapper file(getFilepath(), "FO3SAVEGAME");
  uint32_t width, height;
  fetchInformationFields(file, width, height, m_SaveNumber, m_PCName, m_PCLevel,
                         m_PCLocation);
}

void FalloutNVSaveGame::fetchInformationFields(FileWrapper& file, uint32_t& width,
                                               uint32_t& height,
                                               uint32_t& saveNumber,
                                               QString& playerName,
                                               unsigned short& playerLevel,
                                               QString& playerLocation) const
{
  file.skip<uint32_t>();  // Save header size

  file.skip<uint32_t>();  // File version?
  file.skip<unsigned char>();  // Delimiter

  // A huge wodge of text with no length but a delimiter. Given the null bytes
  // in it I presume it's fixed length (64 bytes + delim) but I have no
  // definite spec
  for (unsigned char ignore = 0; ignore != 0x7c;) {
    file.read(ignore);  // unknown
  }

  file.setHasFieldMarkers(true);
  file.setPluginString(GamebryoSaveGame::StringType::TYPE_BZSTRING);

  file.read(width);
  file.read(height);
  file.read(saveNumber);
  file.read(playerName);

  QString whatthis;
  file.read(whatthis);

  long level;
  file.read(level);
  playerLevel = level;
  file.read(playerLocation);
}

std::unique_ptr<GamebryoSaveGame::DataFields> FalloutNVSaveGame::fetchDataFields() const
{
  FileWrapper file(getFilepath(), "FO3SAVEGAME");

  std::unique_ptr<DataFields> fields = std::make_unique<DataFields>();

  uint32_t width, height;
  {
    QString dummyName, dummyLocation;
    unsigned short dummyLevel;
    uint32_t dummySaveNumber;

    fetchInformationFields(file, width, height, dummySaveNumber, dummyName, dummyLevel,
                           dummyLocation);
  }

  QString playtime;
  file.read(playtime);

  fields->Screenshot = file.readImage(width, height, 256);

  file.skip<char>(5);  // unknown (1 byte), plugin size (4 bytes)

  file.setPluginString(GamebryoSaveGame::StringType::TYPE_BSTRING);
  fields->Plugins = file.readPlugins();

  return fields;
}