#include "icons.hpp"
#include "athena/MemoryReader.hpp"
#include <zlib.h>

extern "C" uint8_t URDE_ICONS[];
extern "C" size_t URDE_ICONS_SZ;

namespace urde {
static logvisor::Module Log("URDE::icons");

specter::IconAtlas<8, 8> g_IconAtlas;

void InitializeIcons(specter::ViewResources& viewRes) {
  athena::io::MemoryReader r(URDE_ICONS, URDE_ICONS_SZ);
  size_t fmt = r.readUint32Big();
  if (fmt != 16)
    Log.report(logvisor::Fatal, "incorrect icon texture format");
  size_t width = r.readUint16Big();
  size_t height = r.readUint16Big();
  size_t mips = r.readUint32Big();
  size_t decompSz = r.readUint32Big();

  std::unique_ptr<uint8_t[]> texels(new uint8_t[decompSz]);
  uLongf destSz = decompSz;
  size_t pos = r.position();
  if (uncompress(texels.get(), &destSz, URDE_ICONS + pos, URDE_ICONS_SZ - pos) != Z_OK)
    Log.report(logvisor::Fatal, "unable to decompress icons");

  viewRes.m_factory->commitTransaction([&](boo::IGraphicsDataFactory::Context& ctx) {
    g_IconAtlas.initializeAtlas(ctx.newStaticTexture(width, height, mips, boo::TextureFormat::RGBA8,
                                                     boo::TextureClampMode::Repeat, texels.get(), destSz));
    return true;
  } BooTrace);
}

void DestroyIcons() { g_IconAtlas.destroyAtlas(); }

specter::Icon& GetIcon(SpaceIcon icon) {
  switch (icon) {
  case SpaceIcon::ResourceBrowser:
    return g_IconAtlas.getIcon(0, 0);
  case SpaceIcon::ParticleEditor:
    return g_IconAtlas.getIcon(0, 1);
  case SpaceIcon::WorldEditor:
    return g_IconAtlas.getIcon(0, 2);
  case SpaceIcon::InformationCenter:
    return g_IconAtlas.getIcon(0, 3);
  case SpaceIcon::ModelViewer:
    return g_IconAtlas.getIcon(0, 4);
  case SpaceIcon::GameMode:
    return g_IconAtlas.getIcon(0, 5);
  default:
    return g_IconAtlas.getIcon(6, 0);
  }
}

specter::Icon& GetIcon(MonoIcon icon) {
  switch (icon) {
  case MonoIcon::Sync:
    return g_IconAtlas.getIcon(7, 0);
  case MonoIcon::Edit:
    return g_IconAtlas.getIcon(7, 1);
  case MonoIcon::Caution:
    return g_IconAtlas.getIcon(7, 2);
  case MonoIcon::Save:
    return g_IconAtlas.getIcon(7, 3);
  case MonoIcon::Filter:
    return g_IconAtlas.getIcon(7, 4);
  case MonoIcon::Document:
    return g_IconAtlas.getIcon(7, 5);
  case MonoIcon::ZoomOut:
    return g_IconAtlas.getIcon(7, 6);
  case MonoIcon::ZoomIn:
    return g_IconAtlas.getIcon(7, 7);
  case MonoIcon::Exclaim:
    return g_IconAtlas.getIcon(6, 0);
  case MonoIcon::Clock:
    return g_IconAtlas.getIcon(6, 1);
  case MonoIcon::Gamepad:
    return g_IconAtlas.getIcon(6, 2);
  case MonoIcon::Unlink:
    return g_IconAtlas.getIcon(6, 3);
  case MonoIcon::Link:
    return g_IconAtlas.getIcon(6, 4);
  case MonoIcon::Folder:
    return g_IconAtlas.getIcon(6, 5);
  case MonoIcon::Info:
    return g_IconAtlas.getIcon(6, 6);
  default:
    return g_IconAtlas.getIcon(6, 0);
  }
}

} // namespace urde