/****************************************************************************
 Copyright (c) 2014 cocos2d-x.org
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

 https://axis-project.github.io/

 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.
 ****************************************************************************/

#include "2d/CCLight.h"
#include "3d/CCMeshRenderer.h"
#include "3d/CCAnimate3D.h"
#include "3d/CCAnimation3D.h"
#include "platform/CCFileUtils.h"
#include "WidgetReader/MeshReader/MeshReader.h"

#include "CSParseBinary_generated.h"
#include "CSParse3DBinary_generated.h"

#include "FlatBuffersSerialize.h"
#include "WidgetReader/Node3DReader/Node3DReader.h"

#include "flatbuffers/flatbuffers.h"

USING_NS_AX;
using namespace flatbuffers;

namespace cocostudio
{
IMPLEMENT_CLASS_NODE_READER_INFO(MeshReader)

MeshReader::MeshReader() {}

MeshReader::~MeshReader() {}

static MeshReader* _instanceMeshReader = nullptr;

MeshReader* MeshReader::getInstance()
{
    if (!_instanceMeshReader)
    {
        _instanceMeshReader = new MeshReader();
    }

    return _instanceMeshReader;
}

void MeshReader::purge()
{
    AX_SAFE_DELETE(_instanceMeshReader);
}

void MeshReader::destroyInstance()
{
    AX_SAFE_DELETE(_instanceMeshReader);
}

Vec2 MeshReader::getVec2Attribute(pugi::xml_attribute attribute) const
{
    if (!attribute)
        return Vec2::ZERO;

    Vec2 ret;
    std::string attriname;

    while (attribute)
    {
        attriname         = attribute.name();
        std::string_view value = attribute.value();

        if (attriname == "X")
        {
            ret.x = atof(value.data());
        }
        else if (attriname == "Y")
        {
            ret.y = atof(value.data());
        }

        attribute = attribute.next_attribute();
    }

    return ret;
}

Offset<Table> MeshReader::createOptionsWithFlatBuffers(pugi::xml_node objectData,
                                                           flatbuffers::FlatBufferBuilder* builder)
{
    auto temp          = Node3DReader::getInstance()->createOptionsWithFlatBuffers(objectData, builder);
    auto node3DOptions = *(Offset<Node3DOption>*)(&temp);

    bool runAction = false;
    std::string path;
    int resourceType = 0;
    bool isFlipped   = false;
    int lightFlag    = 0;

    std::string attriname;
    auto attribute = objectData.first_attribute();
    while (attribute)
    {
        attriname         = attribute.name();
        std::string_view value = attribute.value();

        if (attriname == "RunAction3D")
        {
            runAction = value == "True" ? true : false;
        }
        else if (attriname == "IsFlipped")
        {
            isFlipped = value == "True" ? true : false;
        }
        else if (attriname == "LightFlag")
        {
            if (value == "LIGHT0")
                lightFlag = (int)LightFlag::LIGHT0;
            else if (value == "LIGHT1")
                lightFlag = (int)LightFlag::LIGHT1;
            else if (value == "LIGHT2")
                lightFlag = (int)LightFlag::LIGHT2;
            else if (value == "LIGHT3")
                lightFlag = (int)LightFlag::LIGHT3;
            else if (value == "LIGHT4")
                lightFlag = (int)LightFlag::LIGHT4;
            else if (value == "LIGHT5")
                lightFlag = (int)LightFlag::LIGHT5;
            else if (value == "LIGHT6")
                lightFlag = (int)LightFlag::LIGHT6;
            else if (value == "LIGHT7")
                lightFlag = (int)LightFlag::LIGHT7;
            else if (value == "LIGHT8")
                lightFlag = (int)LightFlag::LIGHT8;
            else if (value == "LIGHT9")
                lightFlag = (int)LightFlag::LIGHT9;
            else if (value == "LIGHT10")
                lightFlag = (int)LightFlag::LIGHT10;
            else if (value == "LIGHT11")
                lightFlag = (int)LightFlag::LIGHT11;
            else if (value == "LIGHT12")
                lightFlag = (int)LightFlag::LIGHT12;
        }

        attribute = attribute.next_attribute();
    }

    // FileData
    auto child = objectData.first_child();
    while (child)
    {
        std::string_view name = child.name();

        if (name == "FileData")
        {
            attribute = child.first_attribute();

            while (attribute)
            {
                name              = attribute.name();
                std::string_view value = attribute.value();

                if (name == "Path")
                {
                    path = value;
                }
                else if (name == "Type")
                {
                    if (value == "Normal")
                    {
                        resourceType = 1;
                    }
                    else if (value == "Default")
                    {
                        resourceType = 0;
                    }
                }

                attribute = attribute.next_attribute();
            }
        }

        child = child.next_sibling();
    }

    auto options = CreateSprite3DOptions(
        *builder, node3DOptions,
        CreateResourceData(*builder, builder->CreateString(path), builder->CreateString(""), resourceType), runAction,
        isFlipped, lightFlag);

    return *(Offset<Table>*)(&options);
}

void MeshReader::setPropsWithFlatBuffers(axis::Node* node, const flatbuffers::Table* sprite3DOptions)
{
    MeshRenderer* mesh = static_cast<MeshRenderer*>(node);

    auto options = (Sprite3DOptions*)sprite3DOptions;

    int lightFlag    = options->lightFlag();
    bool runAction   = options->runAction() != 0;
    bool isFlipped   = options->isFlipped() != 0;
    auto fileData    = options->fileData();
    std::string path = fileData->path()->c_str();

    if (runAction && FileUtils::getInstance()->isFileExist(path))
    {
        Animation3D* animation = Animation3D::create(path);
        if (animation)
        {
            Animate3D* animate = Animate3D::create(animation);
            Action* action     = RepeatForever::create(animate);
            mesh->runAction(action);
        }
    }

    auto nodeOptions = options->node3DOption()->nodeOptions();

    uint8_t alpha = (uint8_t)nodeOptions->color()->a();
    uint8_t red   = (uint8_t)nodeOptions->color()->r();
    uint8_t green = (uint8_t)nodeOptions->color()->g();
    uint8_t blue  = (uint8_t)nodeOptions->color()->b();

    if (alpha != 255)
    {
        mesh->setOpacity(alpha);
    }
    if (red != 255 || green != 255 || blue != 255)
    {
        mesh->setColor(Color3B(red, green, blue));
    }
    if (isFlipped)
    {
        mesh->setCullFaceEnabled(true);
        mesh->setCullFace(CullFaceSide::FRONT);
    }

    if (lightFlag <= 0)
    {
        lightFlag = 1;
    }
    mesh->setLightMask(lightFlag);

    auto node3DReader = Node3DReader::getInstance();
    node3DReader->setPropsWithFlatBuffers(mesh, (Table*)(options->node3DOption()));
}

Node* MeshReader::createNodeWithFlatBuffers(const flatbuffers::Table* sprite3DOptions)
{
    auto options = (Sprite3DOptions*)sprite3DOptions;

    auto fileData    = options->fileData();
    std::string path = fileData->path()->c_str();

    MeshRenderer* ret = MeshRenderer::create();
    if (FileUtils::getInstance()->isFileExist(path))
    {
        ret->initWithFile(path);
    }

    setPropsWithFlatBuffers(ret, sprite3DOptions);

    return ret;
}
}  // namespace cocostudio