#include "loadinfo.h"
#include <iostream>
LoadInfo::LoadInfo(double powerFactor):powerFactor(powerFactor)
{

}

LoadInfo::~LoadInfo()
{

}

QString LoadInfo::getLoadName()
{
    return this->loadName;
}
QString LoadInfo::getLoadPath()
{
    return this->loadPath;
}

QPair<double,double> LoadInfo::getPQ(double current)
{
    //将电流转换为负荷.
    //应该是400V侧电流
    double c=std::acos(this->powerFactor);
    double S=0.4*current;//单位kvA
    double p=std::cos(c)*S;
    double q=std::sin(c)*S;
    return QPair<double,double>(p,q);
}

double LoadInfo::getPA()
{
    return this->pqA.first;
}
double LoadInfo::getPB()
{
    return this->pqB.first;
}
double LoadInfo::getPC()
{
    return this->pqC.first;
}
double LoadInfo::getQA()
{
    return this->pqA.second;
}
double LoadInfo::getQB()
{
    return this->pqB.second;
}
double LoadInfo::getQC()
{
    return this->pqC.second;
}

bool LoadInfo::isStartWithTime(const QString& str)
{
    QString sub=str.section(';',0,0);
    if(sub.trimmed().length()==0)
    {
        return false;
    }
    //2014-07-30 00:45:00
    QRegExp regExp("\"\\d{4}-\\d{2}-\\d{2} \\d{2}:\\d{2}:\\d{2}\"");
    return regExp.exactMatch(sub);
}


void LoadInfo::setLoadName(const QString &name)
{
    this->loadName=name;
}
void LoadInfo::setLoadPath(const QString &path)
{
    this->loadPath=path;
}

QString LoadInfo::trimDoubleQuotation(const QString& str)
{
    return QString(str).replace("\"","").replace("\"","");
}

bool LoadInfo::updateByTime(const QTime& time)
{
    QString filePath;
    filePath=this->loadPath;
    QFile file(filePath);
    QString line;
    QStringList sep;
    bool ret=false;
    if(file.open(QFile::ReadOnly))
    {
        QTextStream reader(&file);
        while(!reader.atEnd())
        {
            line=reader.readLine().trimmed();
            if(!this->isStartWithTime(line))
            {
                continue;
            }
            sep=line.split(';');
            QString date;
            date=this->trimDoubleQuotation(sep.at(0));
            QString dataTimeStr;
            dataTimeStr=date.section(' ',1,1);
            QTime dataTime;
            dataTime=QTime::fromString(dataTimeStr,"hh:mm:ss");
            if(std::abs(dataTime.secsTo(time))<5)
            {
                //开始读负荷
                bool okA,okB,okC;
                okA=-1;
                okB=-1;
                okC=-1;
                double CurrentA=this->trimDoubleQuotation(sep.at(1)).toDouble(&okA);
                double CurrentB=this->trimDoubleQuotation(sep.at(2)).toDouble(&okB);
                double CurrentC=this->trimDoubleQuotation(sep.at(3)).toDouble(&okC);
                if(!(okA&&okB&&okC))
                {
                    ret=false;
                    break;
                }
                QPair<double,double> pqA=this->getPQ(CurrentA);
                QPair<double,double> pqB=this->getPQ(CurrentB);
                QPair<double,double> pqC=this->getPQ(CurrentC);
                this->pqA=pqA;
                this->pqB=pqB;
                this->pqC=pqC;
                ret=true;
                break;
            }


        }
        file.close();
    }
    else
    {
        std::cout<<filePath.toLocal8Bit().data()<<"not open"<<std::endl;
    }
    return ret;

}