/*!
 * @file DgoWriter.cpp
 * Create a DGO from existing files.
 */

#include "BinaryWriter.h"
#include "FileUtil.h"
#include "DgoWriter.h"

void build_dgo(const DgoDescription& description) {
  BinaryWriter writer;
  // dgo header
  writer.add<uint32_t>(description.entries.size());
  writer.add_cstr_len(description.dgo_name.c_str(), 60);

  for (auto& obj : description.entries) {
    auto obj_data =
        file_util::read_binary_file(file_util::get_file_path({"out", "obj", obj.file_name}));
    // size
    writer.add<uint32_t>(obj_data.size());
    // name
    writer.add_str_len(obj.name_in_dgo, 60);
    // data
    writer.add_data(obj_data.data(), obj_data.size());
    // pad
    while (writer.get_size() & 0xf) {
      writer.add<uint8_t>(0);
    }
  }

  file_util::create_dir_if_needed(file_util::get_file_path({"out", "iso"}));
  writer.write_to_file(file_util::get_file_path({"out", "iso", description.dgo_name}));
}