#include "logbook.h"

namespace germanairlinesva_logbook
{
  Logbook::Logbook()
  {
    if (germanairlinesva_util::fileExists(XPLANE_PLUGIN_DIRECTORY LOGBOOK)) {
      this->fromFile(XPLANE_PLUGIN_DIRECTORY LOGBOOK);
    }
  }

  void Logbook::fromFile(const std::string &file)
  {
    std::ifstream in(file, std::ifstream::binary);

    // File Header
    char ident[5];
    in.read(ident, 5);
    if (strcmp(ident, "VGAL") != 0) {
      throw std::invalid_argument("Wrong file");
    }
    std::uint8_t version;
    in.read(reinterpret_cast<char *>(&version), 1);

    if (version == 1) {
      return this->readVersion1(in);
    }
  }

  void Logbook::readVersion1(std::ifstream &in) {}


  void Logbook::toFile() const
  {
    std::ofstream out(XPLANE_PLUGIN_DIRECTORY LOGBOOK, std::fstream::binary);
    char header[] = {'V', 'G', 'A', 'L', '\0', 1};
    out.write(header, 6);
    for (const LogbookEntry &entry : this->entries) {
      out.write(reinterpret_cast<const char *>(entry.getBinaryData()),
                entry.getBinaryLength());
    }
    out.close();
  }
} // namespace germanairlinesva_logbook