/*
MIT License
Copyright (c) 2024 - 2025 René Amthor (tobid7)

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
 */

// C++ 20 capable compiler required (eg. force use
// self compiled clang on debian based systems)
#include <filesystem>
#include <format>
#include <fstream>
#include <iostream>
#include <string>
#include <vector>

constexpr std::string_view pdfh_text = R"(#pragma once

/*
MIT License
Copyright (c) 2024 - 2025 René Amthor (tobid7)

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
 */

#ifdef PD_LI_INCLUDE_FONTS

#include <pd/core/common.hpp>

/** Generated with pdfm */
namespace PD {
struct FontFileData {
  std::string Name;
  u32 StartOff;
  u32 Size;
};
extern FontFileData pFontData[];
extern size_t pNumFonts;
extern PD::u8 pFontsDataRaw[];
}   // namespace PD
#endif
)";

constexpr std::string_view pdfs_text = R"(/*
MIT License
Copyright (c) 2024 - 2025 René Amthor (tobid7)

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
 */

#ifdef PD_LI_INCLUDE_FONTS
#include <pd/lithium/fonts.hpp>

/** Generated with pdfm */
namespace PD {{
FontFileData pFontData[] = {{{0}
}};
size_t pNumFonts = {1};
// clang-format off
PD::u8 pFontsDataRaw[] = {{
{2}
}};
// clang-format on
}}   // namespace PD
#endif
)";

std::string File2HexSequence(const std::string& path) {
  std::string ret;
  std::ifstream iff(path, std::ios::binary);
  std::vector<unsigned char> buffer(std::istreambuf_iterator<char>(iff), {});
  iff.close();
  for (size_t i = 0; i < buffer.size(); i++) {
    ret += std::format("0x{:x},", (int)buffer[i]);
    if ((i % 100) == 0 && i != 0) {
      ret += '\n';
    }
  }
  return ret;
}

std::string MakeEntry(const std::string& name, unsigned int off,
                      unsigned int size) {
  std::string ret = "\n  {\n";
  ret += "    \"" + name + "\",\n";
  ret += "    " + std::to_string(off) + ",\n";
  ret += "    " + std::to_string(size) + ",\n";
  ret += "  },";
  return ret;
}

/**
 * Tool to create in code embeded fonts
 */

int main(int argc, char* argv[]) {
  if (argc < 2) {
    std::cout << argv[0] << " <file1> <file2>..." << std::endl;
    return 0;
  }
  std::string entries;
  std::string filez;
  unsigned int pNumEntries = 0;
  for (int i = 1; i < argc; i++) {
    size_t off = filez.size();
    std::string t = File2HexSequence(argv[i]);
    filez += t;
    entries += MakeEntry(std::filesystem::path(argv[i]).filename().string(),
                         off, t.size());
    pNumEntries++;
  }
  std::fstream off("fonts.hpp", std::ios::out);
  off << pdfh_text;
  off.close();
  off.open("fonts.cpp", std::ios::out);
  off << std::format(pdfs_text, entries, pNumEntries, filez);
  off.close();
  return 0;
}