#include "FONT.hpp"

namespace DataSpec::DNAFont {
logvisor::Module LogModule("urde::DNAFont");

template <class IDType>
void FONT<IDType>::_read(athena::io::IStreamReader& __dna_reader) {
  /* magic */
  DNAFourCC magic;
  magic.read(__dna_reader);
  if (magic != SBIG('FONT')) {
    LogModule.report(logvisor::Fatal, fmt("Invalid FONT magic '{}'"), magic);
    return;
  }
  /* version */
  version = __dna_reader.readUint32Big();
  /* unknown1 */
  unknown1 = __dna_reader.readUint32Big();
  /* lineHeight */
  lineHeight = __dna_reader.readInt32Big();
  /* verticalOffset */
  verticalOffset = __dna_reader.readInt32Big();
  /* lineMargin */
  lineMargin = __dna_reader.readInt32Big();
  /* unknown2 */
  unknown2 = __dna_reader.readBool();
  /* unknown3 */
  unknown3 = __dna_reader.readBool();
  /* unknown4 */
  unknown4 = __dna_reader.readUint32Big();
  /* fontSize */
  fontSize = __dna_reader.readUint32Big();
  /* name */
  name = __dna_reader.readString(-1);
  /* textureId */
  textureId.read(__dna_reader);
  /* textureFormat */
  textureFormat = __dna_reader.readUint32Big();
  /* glyphCount */
  glyphCount = __dna_reader.readUint32Big();
  /* glyphs */
  for (atUint32 i = 0; i < glyphCount; i++) {
    if (version < 4)
      glyphs.emplace_back(new GlyphMP1);
    else
      glyphs.emplace_back(new GlyphMP2);
    glyphs.back()->read(__dna_reader);
  }
  /* kerningInfoCount */
  kerningInfoCount = __dna_reader.readUint32Big();
  /* kerningInfo */
  __dna_reader.enumerate(kerningInfo, kerningInfoCount);
}

template <class IDType>
void FONT<IDType>::_write(athena::io::IStreamWriter& __dna_writer) const {
  /* magic */
  __dna_writer.writeBytes((atInt8*)"FONT", 4);
  /* version */
  __dna_writer.writeUint32Big(version);
  /* unknown1 */
  __dna_writer.writeUint32Big(unknown1);
  /* lineHeight */
  __dna_writer.writeInt32Big(lineHeight);
  /* verticalOffset */
  __dna_writer.writeInt32Big(verticalOffset);
  /* lineMargin */
  __dna_writer.writeInt32Big(lineMargin);
  /* unknown2 */
  __dna_writer.writeBool(unknown2);
  /* unknown3 */
  __dna_writer.writeBool(unknown3);
  /* unknown4 */
  __dna_writer.writeUint32Big(unknown4);
  /* fontSize */
  __dna_writer.writeUint32Big(fontSize);
  /* name */
  __dna_writer.writeString(name, -1);
  /* textureId */
  textureId.write(__dna_writer);
  /* textureFormat */
  __dna_writer.writeUint32Big(textureFormat);
  /* glyphCount */
  __dna_writer.writeUint32Big(glyphCount);
  /* glyphs */
  for (const std::unique_ptr<IGlyph>& glyph : glyphs)
    glyph->write(__dna_writer);
  /* kerningInfoCount */
  __dna_writer.writeUint32Big(kerningInfoCount);
  /* kerningInfo */
  __dna_writer.enumerate(kerningInfo);
}

template <class IDType>
void FONT<IDType>::_read(athena::io::YAMLDocReader& __dna_docin) {
  /* version */
  version = __dna_docin.readUint32("version");
  /* unknown1 */
  unknown1 = __dna_docin.readUint32("unknown1");
  /* lineHeight */
  lineHeight = __dna_docin.readInt32("lineHeight");
  /* verticalOffset */
  verticalOffset = __dna_docin.readInt32("verticalOffset");
  /* lineMargin */
  lineMargin = __dna_docin.readInt32("lineMargin");
  /* unknown2 */
  unknown2 = __dna_docin.readBool("unknown2");
  /* unknown3 */
  unknown3 = __dna_docin.readBool("unknown3");
  /* unknown4 */
  unknown4 = __dna_docin.readUint32("unknown4");
  /* fontSize */
  fontSize = __dna_docin.readUint32("fontSize");
  /* name */
  name = __dna_docin.readString("name");
  /* textureId */
  __dna_docin.enumerate("textureId", textureId);
  /* textureFormat */
  textureFormat = __dna_docin.readUint32("textureFormat");
  /* glyphCount */
  /* glyphs */
  size_t count;
  if (auto v = __dna_docin.enterSubVector("glyphs", count)) {
    glyphCount = count;
    for (atUint32 i = 0; i < glyphCount; i++) {
      if (version < 4)
        glyphs.emplace_back(new GlyphMP1);
      else
        glyphs.emplace_back(new GlyphMP2);

      if (auto rec = __dna_docin.enterSubRecord(nullptr))
        glyphs.back()->read(__dna_docin);
    }
  }
  /* kerningInfoCount squelched */
  /* kerningInfo */
  kerningInfoCount = __dna_docin.enumerate("kerningInfo", kerningInfo);
}

template <class IDType>
void FONT<IDType>::_write(athena::io::YAMLDocWriter& __dna_docout) const {
  /* version */
  __dna_docout.writeUint32("version", version);
  /* unknown1 */
  __dna_docout.writeUint32("unknown1", unknown1);
  /* lineHeight */
  __dna_docout.writeInt32("lineHeight", lineHeight);
  /* verticalOffset */
  __dna_docout.writeInt32("verticalOffset", verticalOffset);
  /* lineMargin */
  __dna_docout.writeInt32("lineMargin", lineMargin);
  /* unknown2 */
  __dna_docout.writeBool("unknown2", unknown2);
  /* unknown3 */
  __dna_docout.writeBool("unknown3", unknown3);
  /* unknown4 */
  __dna_docout.writeUint32("unknown4", unknown4);
  /* fontSize */
  __dna_docout.writeUint32("fontSize", fontSize);
  /* name */
  __dna_docout.writeString("name", name);
  /* textureId */
  __dna_docout.enumerate("textureId", textureId);
  /* textureFormat */
  __dna_docout.writeUint32("textureFormat", textureFormat);
  /* glyphCount squelched */
  /* glyphs */
  if (auto v = __dna_docout.enterSubVector("glyphs"))
    for (const std::unique_ptr<IGlyph>& glyph : glyphs)
      if (auto rec = __dna_docout.enterSubRecord(nullptr))
        glyph->write(__dna_docout);
  /* kerningInfoCount squelched */
  /* kerningInfo */
  __dna_docout.enumerate("kerningInfo", kerningInfo);
}

template <>
const char* FONT<UniqueID32>::DNAType() {
  return "FONT<UniqueID32>";
}

template <>
const char* FONT<UniqueID64>::DNAType() {
  return "FONT<UniqueID64>";
}

template <class IDType>
void FONT<IDType>::_binarySize(size_t& __isz) const {
  __isz += name.size() + 1;
  textureId.binarySize(__isz);
  for (const std::unique_ptr<IGlyph>& glyph : glyphs)
    glyph->binarySize(__isz);
  for (const KerningInfo& k : kerningInfo)
    k.binarySize(__isz);
  __isz += 46;
}

AT_SUBSPECIALIZE_DNA_YAML(FONT<UniqueID32>)
AT_SUBSPECIALIZE_DNA_YAML(FONT<UniqueID64>)

template <class IDType>
bool ExtractFONT(PAKEntryReadStream& rs, const hecl::ProjectPath& outPath) {
  athena::io::FileWriter writer(outPath.getAbsolutePath());
  if (writer.isOpen()) {
    FONT<IDType> font;
    font.read(rs);
    athena::io::ToYAMLStream(font, writer);
    return true;
  }
  return false;
}

template bool ExtractFONT<UniqueID32>(PAKEntryReadStream& rs, const hecl::ProjectPath& outPath);
template bool ExtractFONT<UniqueID64>(PAKEntryReadStream& rs, const hecl::ProjectPath& outPath);

template <class IDType>
bool WriteFONT(const FONT<IDType>& font, const hecl::ProjectPath& outPath) {
  athena::io::FileWriter w(outPath.getAbsolutePath(), true, false);
  if (w.hasError())
    return false;
  font.write(w);
  int64_t rem = w.position() % 32;
  if (rem)
    for (int64_t i = 0; i < 32 - rem; ++i)
      w.writeUByte(0xff);
  return true;
}
template bool WriteFONT<UniqueID32>(const FONT<UniqueID32>& font, const hecl::ProjectPath& outPath);
template bool WriteFONT<UniqueID64>(const FONT<UniqueID64>& font, const hecl::ProjectPath& outPath);

} // namespace DataSpec::DNAFont