#include "DeviceManagerProxy.h"
#include <QJsonArray>
#include <QJsonObject>
#include <QJsonDocument>
#include <QtCore/QTextCodec>
#include <fstream>

std::string loadContent(std::string szFilename)
{
    szFilename = QString::fromLocal8Bit(szFilename.c_str()).toLocal8Bit().toStdString();
    std::ifstream inStream(szFilename.c_str(),std::ios::in | std::ios::binary);
    if( inStream.is_open() != true )
    {
        return "";
    }

    return std::string((std::istreambuf_iterator<char>(inStream)),std::istreambuf_iterator<char>());
}

DeviceManagerProxy::DeviceManagerProxy(RedisAgent* redis)
{
    m_pRedis = redis;
}

bool DeviceManagerProxy::parse(QString cfg,AlarmRuler& ar)
{
    qDebug() << __FILE__ << __LINE__ << cfg;

    //通过网页传来的 json内承运商中文名是 utf-8 编码
    QTextCodec *utf8 = QTextCodec::codecForName("UTF-8");
    QTextCodec::setCodecForLocale(utf8);

    QJsonDocument jsonDoc(QJsonDocument::fromJson(cfg.toLocal8Bit()));
    QJsonObject jsonObject = jsonDoc.object();
    QStringList keys = jsonObject.keys();
    foreach (QString key, keys)
    {
        if( key.compare("nodeCode",Qt::CaseInsensitive) == 0)
        {
            ar.NodeCode = jsonObject["nodeCode"].toString().toLocal8Bit().toStdString();
        }
        else if( key.compare("dataItemCode",Qt::CaseInsensitive) == 0)
        {
            ar.DataItemCode = jsonObject["dataItemCode"].toString().toLocal8Bit().toStdString();
        }
        else if( key.compare("operator",Qt::CaseInsensitive) == 0)
        {
            ar.Operator = jsonObject["operator"].toString().toLocal8Bit().toStdString();
        }
        else if( key.compare("operator1",Qt::CaseInsensitive) == 0)
        {
            ar.dbOperator1 = jsonObject["operator1"].toDouble();
        }
        else if( key.compare("operator2",Qt::CaseInsensitive) == 0)
        {
            ar.dbOperator2 = jsonObject["operator2"].toDouble();
        }
        else if( key.compare("operator2",Qt::CaseInsensitive) == 0)
        {
            ar.nKeepTimes = jsonObject["operator2"].toInt();
        }
    }

    return true;
}

std::list<AlarmRuler> DeviceManagerProxy::loadDevices(std::string id,std::string app)
{
    std::list<AlarmRuler> lstRulers;
    if( m_pRedis != nullptr)
    {
        QStringList lst = m_pRedis->hvals(id.c_str());
        foreach (QString str, lst)
        {
            if( str.isEmpty() )
            {
                continue;
            }

            AlarmRuler ar;
            if( parse(str,ar) )
            {
                lstRulers.push_back(ar);
            }
        }
    }
    return lstRulers;
}