//
//  LocalizationMgr.cpp
//  redream_runtime
//
//  Created by ZhengSong on 2022/7/11.
//

#include "LocalizationMgr.h"

NS_CC_BEGIN

static LocalizationMgr* _instance = nullptr;
LocalizationMgr* LocalizationMgr::getInstance()
{
    if(_instance == nullptr) {
        _instance = new LocalizationMgr();
        _instance->init();
    }
    return _instance;
}
bool LocalizationMgr::init()
{
    _currentLanguageCode =  Application::getInstance()->getCurrentLanguageFullCode();
    return true;
}
std::string LocalizationMgr::getString(const std::string& key,  const std::string& path)
{
    std::string ret = key;
    auto fullPath = FileUtils::getInstance()->fullPathForFilename(path);
    if(FileUtils::getInstance()->isFileExist(fullPath))
    {
        auto plistFile = _getFileFromCache(fullPath);
        auto iter = plistFile.find(key);
        if(iter != plistFile.end())
        {
            /*
             *从配置文件中根据contryCode寻找多语言，具体逻辑如下
             * 当前countryCode->细分语言找不到找主语->找英语->key
             */
            auto countryCode = getCurrentLanguageCode();
            auto dict = iter->second.asValueMap();
            if(dict.find(countryCode) != dict.end())
            {
                ret = dict[countryCode].asString();
            }
            else
            {
                std::string defaultCountryCode = "en";
                auto findDefaultCountryCode = [=](const std::string& code)->bool
                {
                    if (dict.find(code) != dict.end())
                    {
                        return true;
                    }
                    return false;
                };
                if(countryCode.size() > 2) {
                    //细分语言找不到找主语
                    std::string shortCode = countryCode.substr(0, 2);
                    if (dict.find(shortCode) != dict.end())
                    {
                        ret = dict[shortCode].asString();
                    } else if(shortCode != defaultCountryCode){
                        //如果当前语言找不到就找默认英文
                        if(findDefaultCountryCode(defaultCountryCode))
                        {
                            ret = dict[defaultCountryCode].asString();
                        }
                    }
                } else if(countryCode != defaultCountryCode){
                    //如果当前语言找不到就找默认语言
                    if(findDefaultCountryCode(defaultCountryCode))
                    {
                        ret = dict[defaultCountryCode].asString();
                    }
                }

            }

        }
    }
    return ret;
}

void LocalizationMgr::setCurrentLanguageCode(const std::string& code)
{
    _currentLanguageCode = code;
}
std::string LocalizationMgr::getCurrentLanguageCode() const
{
    return _currentLanguageCode;
}
const cocos2d::ValueMap LocalizationMgr::_getFileFromCache(const std::string& path)
{
    auto iter = _plistMap.find(path);
    if(iter != _plistMap.end())
    {
        return iter->second;
    }
    _plistMap[path] = FileUtils::getInstance()->getValueMapFromFile(path);
    return _plistMap[path];
}

NS_CC_END