/****************************************************************************
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
 
 http://www.cocos2d-x.org
 
 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 "editor-support/cocostudio/WidgetReader/ScrollViewReader/ScrollViewReader.h"

#include "ui/UIScrollView.h"
#include "platform/CCFileUtils.h"
#include "2d/CCSpriteFrameCache.h"
#include "editor-support/cocostudio/CocoLoader.h"
#include "editor-support/cocostudio/CSParseBinary_generated.h"
#include "editor-support/cocostudio/FlatBuffersSerialize.h"

#include "tinyxml2.h"
#include "flatbuffers/flatbuffers.h"

USING_NS_CC;
using namespace ui;
using namespace flatbuffers;

namespace cocostudio
{
    static const char* P_InnerWidth = "innerWidth";
    static const char* P_InnerHeight = "innerHeight";
    static const char* P_Direction = "direction";
    static const char* P_BounceEnable = "bounceEnable";

    static ScrollViewReader* instanceScrollViewReader = nullptr;

    IMPLEMENT_CLASS_NODE_READER_INFO(ScrollViewReader)

        ScrollViewReader::ScrollViewReader()
    {

    }

    ScrollViewReader::~ScrollViewReader()
    {

    }

    ScrollViewReader* ScrollViewReader::getInstance()
    {
        if (!instanceScrollViewReader)
        {
            instanceScrollViewReader = new (std::nothrow) ScrollViewReader();
        }
        return instanceScrollViewReader;
    }

    void ScrollViewReader::destroyInstance()
    {
        CC_SAFE_DELETE(instanceScrollViewReader);
    }

    void ScrollViewReader::setPropsFromBinary(cocos2d::ui::Widget *widget, CocoLoader *cocoLoader, stExpCocoNode* cocoNode)
    {
        //TODO: need to refactor...
        LayoutReader::setPropsFromBinary(widget, cocoLoader, cocoNode);

        ScrollView* scrollView = static_cast<ScrollView*>(widget);

        stExpCocoNode *stChildArray = cocoNode->GetChildArray(cocoLoader);
        float innerWidth;
        float innerHeight;
        for (int i = 0; i < cocoNode->GetChildNum(); ++i) {
            std::string key = stChildArray[i].GetName(cocoLoader);
            std::string value = stChildArray[i].GetValue(cocoLoader);
            if (key == P_InnerWidth) {
                innerWidth = valueToFloat(value);
            }
            else if (key == P_InnerHeight) {
                innerHeight = valueToFloat(value);
            }
            else if (key == P_Direction) {
                scrollView->setDirection((ScrollView::Direction)valueToInt(value));
            }
            else if (key == P_BounceEnable) {
                scrollView->setBounceEnabled(valueToBool(value));
            }

        } //end of for loop
        scrollView->setInnerContainerSize(Size(innerWidth, innerHeight));

    }

    void ScrollViewReader::setPropsFromJsonDictionary(Widget *widget, const rapidjson::Value &options)
    {
        LayoutReader::setPropsFromJsonDictionary(widget, options);


        ScrollView* scrollView = static_cast<ScrollView*>(widget);
        float innerWidth = DICTOOL->getFloatValue_json(options, P_InnerWidth, 200);
        float innerHeight = DICTOOL->getFloatValue_json(options, P_InnerHeight, 200);
        scrollView->setInnerContainerSize(Size(innerWidth, innerHeight));
        int direction = DICTOOL->getFloatValue_json(options, P_Direction, 1);
        scrollView->setDirection((ScrollView::Direction)direction);
        scrollView->setBounceEnabled(DICTOOL->getBooleanValue_json(options, P_BounceEnable));


        LayoutReader::setColorPropsFromJsonDictionary(widget, options);
    }

    Offset<Table> ScrollViewReader::createOptionsWithFlatBuffers(const tinyxml2::XMLElement *objectData,
        flatbuffers::FlatBufferBuilder *builder)
    {
        auto temp = WidgetReader::getInstance()->createOptionsWithFlatBuffers(objectData, builder);
        auto widgetOptions = *(Offset<WidgetOptions>*)(&temp);

        std::string path = "";
        std::string plistFile = "";
        int resourceType = 0;

        bool clipEnabled = false;
        Color3B bgColor;
        Color3B bgStartColor;
        Color3B bgEndColor;
        int colorType = 0;
        uint8_t bgColorOpacity = 255;
        Vec2 colorVector(0.0f, -0.5f);
        Rect capInsets;
        Size scale9Size;
        bool backGroundScale9Enabled = false;
        Size innerSize(200, 300);
        int direction = 0;
        bool bounceEnabled = false;
        bool scrollbarEnabled = true;
        bool scrollbarAutoHide = true;
        float scrollbarAutoHideTime = 0.2f;

        // attributes
        const tinyxml2::XMLAttribute* attribute = objectData->FirstAttribute();
        while (attribute)
        {
            std::string name = attribute->Name();
            std::string value = attribute->Value();

            if (name == "ClipAble")
            {
                clipEnabled = FLATSTR_TO_BOOL(value);
            }
            else if (name == "ComboBoxIndex")
            {
                colorType = atoi(value.c_str());
            }
            else if (name == "BackColorAlpha")
            {
                bgColorOpacity = atoi(value.c_str());
            }
            else if (name == "Scale9Enable")
            {
                backGroundScale9Enabled = FLATSTR_TO_BOOL(value);
            }
            else if (name == "Scale9OriginX")
            {
                capInsets.origin.x = atof(value.c_str());
            }
            else if (name == "Scale9OriginY")
            {
                capInsets.origin.y = atof(value.c_str());
            }
            else if (name == "Scale9Width")
            {
                capInsets.size.width = atof(value.c_str());
            }
            else if (name == "Scale9Height")
            {
                capInsets.size.height = atof(value.c_str());
            }
            else if (name == "ScrollDirectionType")
            {
                if (value == "Vertical")
                {
                    direction = 1;
                }
                else if (value == "Horizontal")
                {
                    direction = 2;
                }
                else if (value == "Vertical_Horizontal")
                {
                    direction = 3;
                }
            }
            else if (name == "IsBounceEnabled")
            {
                bounceEnabled = FLATSTR_TO_BOOL(value);
            }
            else if (name.compare("BarEnabled") == 0)
            {
                scrollbarEnabled = FLATSTR_TO_BOOL(value);
            }
            else if (name.compare("BarAutoHide") == 0)
            {
                scrollbarAutoHide = FLATSTR_TO_BOOL(value);
            }
            else if (name.compare("BarAutoHideTime") == 0)
            {
                scrollbarAutoHideTime = atof(value.c_str());
            }
            attribute = attribute->Next();
        }

        // child elements
        const tinyxml2::XMLElement* child = objectData->FirstChildElement();
        while (child)
        {
            std::string name = child->Name();

            if (name == "InnerNodeSize")
            {
                attribute = child->FirstAttribute();
                while (attribute)
                {
                    name = attribute->Name();
                    std::string value = attribute->Value();

                    if (name == "Width")
                    {
                        innerSize.width = atof(value.c_str());
                    }
                    else if (name == "Height")
                    {
                        innerSize.height = atof(value.c_str());
                    }

                    attribute = attribute->Next();
                }
            }
            else if (name == "Size" && backGroundScale9Enabled)
            {
                attribute = child->FirstAttribute();

                while (attribute)
                {
                    name = attribute->Name();
                    std::string value = attribute->Value();

                    if (name == "X")
                    {
                        scale9Size.width = atof(value.c_str());
                    }
                    else if (name == "Y")
                    {
                        scale9Size.height = atof(value.c_str());
                    }

                    attribute = attribute->Next();
                }
            }
            else if (name == "SingleColor")
            {
                attribute = child->FirstAttribute();

                while (attribute)
                {
                    name = attribute->Name();
                    std::string value = attribute->Value();

                    if (name == "R")
                    {
                        bgColor.r = atoi(value.c_str());
                    }
                    else if (name == "G")
                    {
                        bgColor.g = atoi(value.c_str());
                    }
                    else if (name == "B")
                    {
                        bgColor.b = atoi(value.c_str());
                    }

                    attribute = attribute->Next();
                }
            }
            else if (name == "EndColor")
            {
                attribute = child->FirstAttribute();

                while (attribute)
                {
                    name = attribute->Name();
                    std::string value = attribute->Value();

                    if (name == "R")
                    {
                        bgEndColor.r = atoi(value.c_str());
                    }
                    else if (name == "G")
                    {
                        bgEndColor.g = atoi(value.c_str());
                    }
                    else if (name == "B")
                    {
                        bgEndColor.b = atoi(value.c_str());
                    }

                    attribute = attribute->Next();
                }
            }
            else if (name == "FirstColor")
            {
                attribute = child->FirstAttribute();

                while (attribute)
                {
                    name = attribute->Name();
                    std::string value = attribute->Value();

                    if (name == "R")
                    {
                        bgStartColor.r = atoi(value.c_str());
                    }
                    else if (name == "G")
                    {
                        bgStartColor.g = atoi(value.c_str());
                    }
                    else if (name == "B")
                    {
                        bgStartColor.b = atoi(value.c_str());
                    }

                    attribute = attribute->Next();
                }
            }
            else if (name == "ColorVector")
            {
                attribute = child->FirstAttribute();
                while (attribute)
                {
                    name = attribute->Name();
                    std::string value = attribute->Value();

                    if (name == "ScaleX")
                    {
                        colorVector.x = atof(value.c_str());
                    }
                    else if (name == "ScaleY")
                    {
                        colorVector.y = atof(value.c_str());
                    }

                    attribute = attribute->Next();
                }
            }
            else if (name == "FileData")
            {
                std::string texture = "";
                std::string texturePng = "";

                attribute = child->FirstAttribute();

                while (attribute)
                {
                    name = attribute->Name();
                    std::string value = attribute->Value();

                    if (name == "Path")
                    {
                        path = value;
                    }
                    else if (name == "Type")
                    {
                        resourceType = getResourceType(value);
                    }
                    else if (name == "Plist")
                    {
                        plistFile = value;
                        texture = value;
                    }

                    attribute = attribute->Next();
                }

                if (resourceType == 1)
                {
                    FlatBuffersSerialize* fbs = FlatBuffersSerialize::getInstance();
                    fbs->_textures.push_back(builder->CreateString(texture));
                }
            }

            child = child->NextSiblingElement();
        }

        Color f_bgColor(255, bgColor.r, bgColor.g, bgColor.b);
        Color f_bgStartColor(255, bgStartColor.r, bgStartColor.g, bgStartColor.b);
        Color f_bgEndColor(255, bgEndColor.r, bgEndColor.g, bgEndColor.b);
        ColorVector f_colorVector(colorVector.x, colorVector.y);
        CapInsets f_capInsets(capInsets.origin.x, capInsets.origin.y, capInsets.size.width, capInsets.size.height);
        FlatSize f_scale9Size(scale9Size.width, scale9Size.height);
        FlatSize f_innerSize(innerSize.width, innerSize.height);
        
        auto options = CreateScrollViewOptions(*builder,
                                               widgetOptions,
                                               CreateResourceData(*builder,
                                                                  builder->CreateString(path),
                                                                  builder->CreateString(plistFile),
                                                                  resourceType),
                                               clipEnabled,
                                               &f_bgColor,
                                               &f_bgStartColor,
                                               &f_bgEndColor,
                                               colorType,
                                               bgColorOpacity,
                                               &f_colorVector,
                                               &f_capInsets,
                                               &f_scale9Size,
                                               backGroundScale9Enabled,
                                               &f_innerSize,
                                               direction,
                                               bounceEnabled,
                                               scrollbarEnabled,
                                               scrollbarAutoHide,
                                               scrollbarAutoHideTime);
        
        return *(Offset<Table>*)(&options);
    }

    void ScrollViewReader::setPropsWithFlatBuffers(cocos2d::Node *node, const flatbuffers::Table *scrollViewOptions)
    {
        ScrollView* scrollView = static_cast<ScrollView*>(node);
        auto options = (ScrollViewOptions*)scrollViewOptions;

        bool clipEnabled = options->clipEnabled() != 0;
        scrollView->setClippingEnabled(clipEnabled);

        bool backGroundScale9Enabled = options->backGroundScale9Enabled() != 0;
        scrollView->setBackGroundImageScale9Enabled(backGroundScale9Enabled);


        auto f_bgColor = options->bgColor();
        Color3B bgColor(f_bgColor->r(), f_bgColor->g(), f_bgColor->b());
        auto f_bgStartColor = options->bgStartColor();
        Color3B bgStartColor(f_bgStartColor->r(), f_bgStartColor->g(), f_bgStartColor->b());
        auto f_bgEndColor = options->bgEndColor();
        Color3B bgEndColor(f_bgEndColor->r(), f_bgEndColor->g(), f_bgEndColor->b());

        auto f_colorVecor = options->colorVector();
        Vec2 colorVector(f_colorVecor->vectorX(), f_colorVecor->vectorY());
        scrollView->setBackGroundColorVector(colorVector);

        int bgColorOpacity = options->bgColorOpacity();

        int colorType = options->colorType();
        scrollView->setBackGroundColorType(Layout::BackGroundColorType(colorType));

        scrollView->setBackGroundColor(bgStartColor, bgEndColor);
        scrollView->setBackGroundColor(bgColor);
        scrollView->setBackGroundColorOpacity(bgColorOpacity);


        bool fileExist = false;
        std::string errorFilePath = "";
        auto imageFileNameDic = options->backGroundImageData();
        int imageFileNameType = imageFileNameDic->resourceType();
        std::string imageFileName = imageFileNameDic->path()->c_str();
        if (imageFileName != "")
        {
            switch (imageFileNameType)
            {
            case 0:
            {
                if (FileUtils::getInstance()->isFileExist(imageFileName))
                {
                    fileExist = true;
                }
                else
                {
                    errorFilePath = imageFileName;
                    fileExist = false;
                }
                break;
            }

            case 1:
            {
                std::string plist = imageFileNameDic->plistFile()->c_str();
                SpriteFrame* spriteFrame = SpriteFrameCache::getInstance()->getSpriteFrameByName(imageFileName);
                if (spriteFrame)
                {
                    fileExist = true;
                }
                else
                {
                    if (FileUtils::getInstance()->isFileExist(plist))
                    {
                        ValueMap value = FileUtils::getInstance()->getValueMapFromFile(plist);
                        ValueMap metadata = value["metadata"].asValueMap();
                        std::string textureFileName = metadata["textureFileName"].asString();
                        if (!FileUtils::getInstance()->isFileExist(textureFileName))
                        {
                            errorFilePath = textureFileName;
                        }
                    }
                    else
                    {
                        errorFilePath = plist;
                    }
                    fileExist = false;
                }
                break;
            }

            default:
                break;
            }
            if (fileExist)
            {
                scrollView->setBackGroundImage(imageFileName, (Widget::TextureResType)imageFileNameType);
            }
        }

        auto widgetOptions = options->widgetOptions();
        auto f_color = widgetOptions->color();
        Color3B color(f_color->r(), f_color->g(), f_color->b());
        scrollView->setColor(color);

        int opacity = widgetOptions->alpha();
        scrollView->setOpacity(opacity);

        auto f_innerSize = options->innerSize();
        Size innerSize(f_innerSize->width(), f_innerSize->height());
        scrollView->setInnerContainerSize(innerSize);
        int direction = options->direction();
        scrollView->setDirection((ScrollView::Direction)direction);
        bool bounceEnabled = options->bounceEnabled() != 0;
        scrollView->setBounceEnabled(bounceEnabled);

        bool scrollbarEnabled = options->scrollbarEnabeld() != 0;
        scrollView->setScrollBarEnabled(scrollbarEnabled);
        if (scrollbarEnabled)
        {
            bool scrollbarAutoHide = options->scrollbarAutoHide() != 0;
            scrollView->setScrollBarAutoHideEnabled(scrollbarAutoHide);
            float barAutoHideTime = options->scrollbarAutoHideTime();
            scrollView->setScrollBarAutoHideTime(barAutoHideTime);
        }

        auto widgetReader = WidgetReader::getInstance();
        widgetReader->setPropsWithFlatBuffers(node, (Table*)options->widgetOptions());

        if (backGroundScale9Enabled)
        {
            auto f_capInsets = options->capInsets();
            Rect capInsets(f_capInsets->x(), f_capInsets->y(), f_capInsets->width(), f_capInsets->height());
            scrollView->setBackGroundImageCapInsets(capInsets);

            auto f_scale9Size = options->scale9Size();
            Size scale9Size(f_scale9Size->width(), f_scale9Size->height());
            scrollView->setContentSize(scale9Size);
        }
        else
        {
            if (!scrollView->isIgnoreContentAdaptWithSize())
            {
                Size contentSize(widgetOptions->size()->width(), widgetOptions->size()->height());
                scrollView->setContentSize(contentSize);
            }
        }

    }

    Node* ScrollViewReader::createNodeWithFlatBuffers(const flatbuffers::Table *scrollViewOptions)
    {
        ScrollView* scrollView = ScrollView::create();

        setPropsWithFlatBuffers(scrollView, (Table*)scrollViewOptions);

        return scrollView;
    }

    int ScrollViewReader::getResourceType(std::string key)
    {
        if (key == "Normal" || key == "Default")
        {
            return 	0;
        }

        FlatBuffersSerialize* fbs = FlatBuffersSerialize::getInstance();
        if (fbs->_isSimulator)
        {
            if (key == "MarkedSubImage")
            {
                return 0;
            }
        }
        return 1;
    }

}