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

extern "C" uint8_t URDE_BADGE[];
extern "C" size_t URDE_BADGE_SZ;

namespace urde
{
static logvisor::Module Log("URDE::badging");
static specter::Icon g_BadgeIcon;

boo::GraphicsDataToken InitializeBadging(specter::ViewResources& viewRes)
{
    athena::io::MemoryReader r(URDE_BADGE, URDE_BADGE_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_BADGE + pos, URDE_BADGE_SZ - pos) != Z_OK)
        Log.report(logvisor::Fatal, "unable to decompress badge");

    return viewRes.m_factory->commitTransaction([&](boo::IGraphicsDataFactory::Context& ctx) -> bool
    {
        specter::IconAtlas<1, 1> atlas;

        atlas.initializeAtlas(ctx.newStaticTexture(width, height, mips,
                              boo::TextureFormat::RGBA8,
                              texels.get(), destSz));
        g_BadgeIcon = atlas.getIcon(0, 0);
        return true;
    });
}

specter::Icon& GetBadge()
{
    return g_BadgeIcon;
}

}