#include "SpineSkeletonDataCache.h"

#if !defined(AX_USE_SPINE_CPP) || AX_USE_SPINE_CPP
SpineSkeletonDataCache* SpineSkeletonDataCache::getInstance()
{
    static SpineSkeletonDataCache internalShared;
    return &internalShared;
}

SpineSkeletonDataCache::SpineSkeletonDataCache()
{
    _reportError = &axis::log;
}

void SpineSkeletonDataCache::setErrorReportFunc(void (*errorfunc)(const char* pszFormat, ...))
{
    _reportError = std::move(errorfunc);
}

void SpineSkeletonDataCache::removeData(const char* dataFile)
{
    auto target = _cacheTable.find(dataFile);
    if (target != _cacheTable.end())
    {
        target->second->release();
        _cacheTable.erase(target);
    }
}

SpineSkeletonDataCache::SkeletonData* SpineSkeletonDataCache::addData(const char* dataFile,
                                                                      const char* atlasFile,
                                                                      float scale)
{
    auto target = _cacheTable.find(dataFile);
    if (target != _cacheTable.end())
    {
        return target->second;
    }

    spine::SkeletonData* skeletonData = nullptr;
    spine::AttachmentLoader* loader   = nullptr;
    bool ok                           = false;

    auto fileExtension = axis::FileUtils::getInstance()->getFileExtension(dataFile);

    static spine::Cocos2dTextureLoader s_textureLoader;

    do
    {
        auto atlas = new (__FILE__, __LINE__) spine::Atlas(atlasFile, &s_textureLoader);

        if (nullptr == (atlas))
            break;

        loader = new (__FILE__, __LINE__) spine::Cocos2dAtlasAttachmentLoader(atlas);

        int failed = 0;

        /*
        ** Atlas is used by shared attachment loader, temp json or binary should be dispose.
        ** Cache, we just need SkeletonData & atlas.
        */
        if (fileExtension == ".skel")
        {
            spine::SkeletonBinary binary(loader);

            binary.setScale(scale);
            skeletonData = binary.readSkeletonDataFile(dataFile);
            if ((!binary.getError().isEmpty()))
            {
                ++failed;
                _reportError("#parse spine .skel data file failed, error:%s", binary.getError().buffer());
            }
        }
        else
        {
            spine::SkeletonJson json(loader);

            json.setScale(scale);
            skeletonData = json.readSkeletonDataFile(dataFile);
            if ((!json.getError().isEmpty()))
            {
                ++failed;
                _reportError("#parse spine .json data file failed, error:%s", json.getError().buffer());
            }
        }

        if (failed > 0)
        {
            if (skeletonData != nullptr)
                delete (skeletonData);

            delete (atlas);
            delete (loader);
            break;
        }

        ok = true;
    } while (false);

    if (ok)
    {
        auto newData = new SkeletonData(skeletonData, loader);
        _cacheTable.emplace(dataFile, newData);
        return newData;
    }
    return nullptr;
}

void SpineSkeletonDataCache::removeAllData(void)
{
    for (auto& e : _cacheTable)
    {
        e.second->release();
    }
    _cacheTable.clear();
}

void SpineSkeletonDataCache::removeAllUnusedData(void)
{
    auto _First = _cacheTable.begin();
    auto _Last  = _cacheTable.end();
    for (; _First != _Last;)
    {
        if ((*_First).second->getReferenceCount() == 1)
        {
            (*_First).second->release();
            _cacheTable.erase(_First++);
            continue;
        }
        ++_First;
    }
}

#else

SpineSkeletonDataCache* SpineSkeletonDataCache::getInstance()
{
    static SpineSkeletonDataCache internalShared;
    return &internalShared;
}

SpineSkeletonDataCache::SpineSkeletonDataCache()
{
    _reportError = &axis::log;
}

void SpineSkeletonDataCache::setErrorReportFunc(void (*errorfunc)(const char* pszFormat, ...))
{
    _reportError = errorfunc;
}

void SpineSkeletonDataCache::removeData(const char* dataFile)
{
    auto target = _cacheTable.find(dataFile);
    if (target != _cacheTable.end())
    {
        target->second->release();
        _cacheTable.erase(target);
    }
}

SpineSkeletonDataCache::SkeletonData* SpineSkeletonDataCache::addData(const char* dataFile,
                                                                      const char* atlasFile,
                                                                      float scale)
{
    auto target = _cacheTable.find(dataFile);
    if (target != _cacheTable.end())
    {
        return target->second;
    }

    spSkeletonData* skeletonData = nullptr;
    spAttachmentLoader* loader   = nullptr;
    bool ok                      = false;

    auto fileExtension = axis::FileUtils::getInstance()->getFileExtension(dataFile);

    do
    {
        spAtlas* atlas = spAtlas_createFromFile(atlasFile, 0);

        if (nullptr == (atlas))
            break;

        loader = (spAttachmentLoader*)Cocos2dAttachmentLoader_create(atlas);

        int failed = 0;

        /*
        ** Atlas is used by shared attachment loader, temp json or binary should be dispose.
        ** Cache, we just need SkeletonData & atlas.
        */
        if (fileExtension == ".skel")
        {
            auto binary = spSkeletonBinary_createWithLoader(loader);
            if (nullptr == binary)
            {
                spAtlas_dispose(atlas);
                break;
            }

            binary->scale = scale;
            skeletonData  = spSkeletonBinary_readSkeletonDataFile(binary, dataFile);
            if ((binary->error != nullptr))
            {
                ++failed;
                _reportError("#parse spine .skel data file failed, error:%s", binary->error);
            }

            spSkeletonBinary_dispose(binary);
        }
        else
        {
            spSkeletonJson* json = spSkeletonJson_createWithLoader(loader);
            if (nullptr == json)
            {
                spAtlas_dispose(atlas);
                break;
            }

            json->scale  = scale;
            skeletonData = spSkeletonJson_readSkeletonDataFile(json, dataFile);
            if ((json->error != nullptr))
            {
                ++failed;
                _reportError("#parse spine .json data file failed, error:%s", json->error);
            }

            spSkeletonJson_dispose(json);
        }

        if ((loader->error1 != nullptr))
        {
            ++failed;
            _reportError("#parse spine attachment failed, error:%s%s", loader->error1, loader->error2);
        }

        if (failed > 0)
        {
            if (skeletonData != nullptr)
                spSkeletonData_dispose(skeletonData);

            spAtlas_dispose(atlas);
            spAttachmentLoader_dispose(loader);
            break;
        }

        ok = true;
    } while (false);

    if (ok)
    {
        auto newData = new SkeletonData(skeletonData, loader);
        _cacheTable.emplace(dataFile, newData);
        return newData;
    }
    return nullptr;
}

void SpineSkeletonDataCache::removeAllData(void)
{
    for (auto& e : _cacheTable)
    {
        e.second->release();
    }
    _cacheTable.clear();
}

void SpineSkeletonDataCache::removeAllUnusedData(void)
{
    auto _First = _cacheTable.begin();
    auto _Last  = _cacheTable.end();
    for (; _First != _Last;)
    {
        if ((*_First).second->getReferenceCount() == 1)
        {
            (*_First).second->release();
            _cacheTable.erase(_First++);
            continue;
        }
        ++_First;
    }
}
#endif