#include "fileprepare.h"
#include "numberreg.h"
#include "sncdatabase.h"
#include <QtCore>
FilePrepare::FilePrepare(QString fileName, QString fileType, bool isMulti, QString moduleID, QString clientID)
{
    this->oriFileName = fileName;
    this->fileType = fileType;
    this->count = 0;
    this->isZipFile = false;
    this->isMulti = isMulti;
    this->minNumbers = SNCDataBase::getJSJCpnumMinSize().toInt();
    this->maxNumbers = SNCDataBase::getJSJCpnumMaxSize().toInt();
    this->moduleID = moduleID;
    this->clientID = clientID;
    if(this->moduleID.isEmpty())
    {
        this->moduleID = "m";
    }
    if(this->clientID.isEmpty())
    {
        this->clientID = "c";
    }
    m_tempPath = QDir::tempPath() + QString("/SNCUnzipFile/%1/%2/").arg(this->moduleID).arg(this->clientID);
    QDir dir(m_tempPath);
    if(!dir.exists())
    {
        dir.mkpath(m_tempPath);
    }
}

bool FilePrepare::prepare()
{
    if(!chkFileInfo())
        return false;
    if(!chkNumbers())
        return false;
    return zipFile();
}

QString FilePrepare::getRtnMsg()
{
    return this->rtnMsg;
}
bool FilePrepare::chkFileInfo()
{
    QFileInfo f(this->oriFileName);
    this->fileInfo = f;
    QString suffix = fileInfo.suffix().toLower();
    int fileSize = fileInfo.size()/1024/1024;
    bool isPass = true;
    if(suffix=="txt")
    {
        isZipFile = false;
        if(fileSize>TXT_FILE_LIMIT)
        {
            isPass = false;
            rtnMsg = QString("TXT格式的文件大小不能大于%1M").arg(TXT_FILE_LIMIT);
        }
        if(fileType=="2")
        {
            if(fileSize>SEG_FILE_LIMIT)
            {
                isPass = false;
                rtnMsg = QString("号段文件不能大于%1M").arg(SEG_FILE_LIMIT);
            }
        }

    }
    else if(suffix=="zip" || suffix=="7z" || suffix=="rar")
    {
        isZipFile = true;
        if(fileSize>ZIP_FILE_LIMIT)
        {
            isPass = false;
            rtnMsg = QString("压缩包格式的文件大小不能大于%1M").arg(ZIP_FILE_LIMIT);
        }
        if(fileType=="2")
        {
            isPass = false;
            rtnMsg = QString("号段文件只能是TXT格式");
        }
    }
    else
    {
        isPass = false;
        rtnMsg = QString("该文件格式无法处理");
    }
    return isPass;
}

bool FilePrepare::extractNumberFromTxtFile(QStringList fileNames)
{
    numbers.clear();
    for(int i=0;i<fileNames.size();i++)
    {
        QString fileName = fileNames.at(i);
        QFile file(fileName);
        if(!file.open(QIODevice::ReadOnly))
        {
            rtnMsg = file.errorString();
            file.close();
            return false;
        }
        QTextStream in(&file);
        int nums = 0;
        while(!in.atEnd())
        {
            QString line = in.readLine().trimmed();
            if(NumberReg::getCellPhoneReg().exactMatch(line))
            {
                numbers<<line;
                nums++;
            }
        }
        file.close();
        if(nums<minNumbers||nums>maxNumbers)
        {
            rtnMsg = QString("每个号码文件号码数量至少%1,号码总数最多%2").arg(minNumbers).arg(maxNumbers);
            return false;
        }
    }
    this->count = numbers.size();
    if(this->count>maxNumbers)
    {
        rtnMsg = QString("号码总数最多%1").arg(maxNumbers);
        return false;
    }
    return true;
}

bool FilePrepare::extractSegmentFromTxtFile(QStringList fileNames)
{
    for(int i=0;i<fileNames.size();i++)
    {
        QString fileName = fileNames.at(i);
        QFile file(fileName);
        if(!file.open(QIODevice::ReadOnly))
        {
            rtnMsg = file.errorString();
            file.close();
            return false;
        }
        QTextStream in(&file);
        segments.clear();
        while(!in.atEnd())
        {
            QString line = in.readLine().trimmed();
            if(NumberReg::getSegmentReg().exactMatch(line))
                segments<<line;
        }
        file.close();
    }
    this->count = segments.size()*10000;
    if(count<minNumbers||count>maxNumbers)
    {
        rtnMsg = QString("文件号码数量至少%1,号码总数最多%2").arg(minNumbers).arg(maxNumbers);
        return false;
    }
    return true;
}


bool FilePrepare::chkNumbers()
{
    if(isZipFile)
    {
        if(!unzipFile())
        {
            return false;
        }
    }
    else
    {
        this->txtFileNames.clear();
        this->txtFileNames.append(this->oriFileName);
    }
    if(this->txtFileNames.size()==0)
    {
        rtnMsg = "要处理的号码文件不存在" ;
        return false;
    }
    if(fileType=="2")
    {
        return extractSegmentFromTxtFile(this->txtFileNames);
    }
    else
    {
        return extractNumberFromTxtFile(this->txtFileNames);
    }
}

bool FilePrepare::unzipFile()
{
    //准备目录并删除该目录下的所有文件
    QDir dir(m_tempPath);
    QFileInfoList list = dir.entryInfoList();
    for(int i=0;i<list.size();i++)
    {
        if(list.at(i).isFile())
        {
            qDebug()<<"delete file :"<<list.at(i).absoluteFilePath();
            QFile::remove(list.at(i).absoluteFilePath());
        }
    }
    //调用7z进行解压缩
    QProcess process;
    process.setStandardOutputFile(m_tempPath+"output.log");
    process.setWorkingDirectory(QCoreApplication::applicationDirPath());
    process.start("\"" + QCoreApplication::applicationDirPath() + "/7ze.exe\" e \"" + this->oriFileName + "\" -o\"" + m_tempPath +"\" -y");
    process.waitForFinished();
    dir.refresh();
    list = dir.entryInfoList();
    QStringList fileList;
    for(int i=0;i<list.size();i++)
    {
        if(list.at(i).isFile())
        {
            if(list.at(i).suffix().toLower()=="txt")
                fileList<<list.at(i).absoluteFilePath();
        }
    }
    if(fileList.size()==0)
    {
        rtnMsg = "压缩包无法解压或者没有包含有效的TXT文件";
        return false;
    }
    this->txtFileNames = fileList;
    return true;

}

bool FilePrepare::zipFile()
{

    QString newZipfile =  m_tempPath + fileInfo.completeBaseName() + ".zip";
    if(QFile::exists(newZipfile))
        QFile::remove(newZipfile);
    QProcess process;
    process.setWorkingDirectory(QCoreApplication::applicationDirPath());
    if(isZipFile)
        process.start("\"" + QCoreApplication::applicationDirPath() + "/7ze.exe\" a \"" + newZipfile + "\" \"" +m_tempPath +"*.txt\"");
    else
        process.start("\"" + QCoreApplication::applicationDirPath() + "/7ze.exe\" a \"" + newZipfile + "\" \"" + this->oriFileName +"\"");
    process.waitForFinished();
    this->zipFileName = newZipfile;

    return true;
}

QString FilePrepare::getLastUploadFileName()
{
    if(fileType=="2")//如果是号段文件，则仍然取原始文件，因为原始文件之前已经做过判断肯定是txt文件
    {
        return this->oriFileName;
    }
    else
    {
        return this->zipFileName;
    }
}

int FilePrepare::getCount()
{
    return this->count;
}