#include "formupload.h"
#include "ui_formupload.h"
#include "sncdatabase.h"
#include "dialogsubmitresponsedetail.h"

FormUpload::FormUpload(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::FormUpload)
{
    ui->setupUi(this);

    initVariables();
    resetUI();
}

void FormUpload::initVariables()
{

}

FormUpload::~FormUpload()
{
    delete ui;
    qDebug()<<QDateTime::currentDateTime().toString("yyyy-MM-dd HH:mm:ss")\
           <<"FormWool.FormUpload Destroyed.";
}

void FormUpload::resetUI()
{
    ui->lineEditFilePath->setText("");
    ui->lineEditMemo->setText("");
    ui->lineEditFilePath->setReadOnly(true);
}

void FormUpload::setUserCode(QString userCode)
{
    m_userCode = userCode;
}

//void FormUpload::setClientID(QString clientID)
//{
//    m_clientID = clientID;
//}

void FormUpload::on_pushButtonOpen_clicked()
{
    QString selectedFilter;
    QFileDialog::Options options;
    QString suffix = "Text Files;Zip File (*.txt;*.zip;*.7z;*.rar)";
    QString importDir = SNCDataBase::getImportDir();
    if(importDir.isEmpty())
    {
        importDir = QDesktopServices::storageLocation(QDesktopServices::DesktopLocation);
    }
    QString fileName = QFileDialog::getOpenFileName(this,"打开文件",importDir,suffix,&selectedFilter,options);
    QFileInfo fileInfo(fileName);
    if(!fileInfo.absolutePath().isEmpty())
        SNCDataBase::updateImportDir(fileInfo.absolutePath());
    if(fileName.isEmpty())
        return ;
    resetUI();
    ui->lineEditFilePath->setText(fileName);
}

void FormUpload::on_pushButtonSubmit_clicked()
{
    QString filePath = ui->lineEditFilePath->text();
    if(!QFile::exists(filePath))
    {
        QMessageBox::critical(this,"提示","文件不存在！",QMessageBox::Ok);
        return ;
    }
    QString memo = ui->lineEditMemo->text();
    QString fileType ;
    QString taskType ;
    if(ui->radioButtonNum->isChecked())
        fileType = "1";
    if(ui->radioButtonSeg->isChecked())
        fileType = "2";
//    if(this->ui->checkBoxMultiTask->isChecked())
//        taskType = "2";
//    else
        taskType = "1";
    if(!prepareAddFile(filePath,fileType,taskType,memo))
        return ;
    emit dataUpdated();
    emit buttonCloseClicked();
}

bool FormUpload::prepareAddFile(QString filePath,QString fileType,QString taskType,QString memo)
{
    QFileInfo fileInfo(filePath);
    QString suffix = fileInfo.suffix();
    int size = fileInfo.size()/1024/1024;
    QStringList cacheFiles;
    if(taskType == "1")//如果是单任务
    {
        cacheFiles << filePath;
    }
    else//如果是多任务
    {
        if(fileType=="2")//当文件类型为号段文件时，文件必须是文本格式，且到不能大于1M
        {
            if(suffix.toLower()!="txt" || size > 1)
            {
                QMessageBox::critical(this,"提示","号段文件必须文本格式，且文件大小不能大于1M",QMessageBox::Ok);
                return false;
            }
            cacheFiles = createCacheFilesBySegment(filePath);
        }
        else//当文件类型为号码文件时
        {
            if(suffix.toLower()=="txt")
            {
                cacheFiles << filePath;
            }
            else
            {
                cacheFiles = createCacheFilesByUnzip(filePath);
            }
        }

        if(cacheFiles.size()==0)
        {
            QMessageBox::critical(this,"提示","您选择多任务模式，但无法对文件进行拆分，请检查文件格式是否有效",QMessageBox::Ok);
            return false;
        }
    }

    addUploadFile(cacheFiles,memo,fileType);
    return true;
}

QString FormUpload::prepareTempDir()
{
    QString userCode = m_userCode;
    QString timeStamp = QDateTime::currentDateTime().toString("yyyyMMddhhmmss");
    QString cachePath = QCoreApplication::applicationDirPath()+\
            QString("/../data/%1/cache/wool/upload/%2/").arg(userCode).arg(timeStamp);
    QDir dir;
    dir.mkpath(cachePath);
    return cachePath;
}

QStringList FormUpload::createCacheFilesBySegment(QString filePath)
{
    //读取文件内容并按照行分拆成单个文件
    QFile fileRead(filePath);
    QString cachePath = prepareTempDir();
    QStringList cacheFiles;
    bool succeed = true;
    if(cachePath.isEmpty())
    {
        QMessageBox::critical(this,"提示","创建缓存目录失败",QMessageBox::Ok);
        succeed = false;
    }
    if(!fileRead.open(QIODevice::ReadOnly))
    {
        QMessageBox::critical(this,"提示","文件读取失败",QMessageBox::Ok);
        fileRead.close();
        succeed = false;
    }
    if(!succeed)
    {
        cacheFiles.clear();
        return cacheFiles;
    }
    QTextStream in(&fileRead);
    while(!in.atEnd())
    {
        QString line = in.readLine().trimmed();
        if(!line.isEmpty())
        {
            QString cacheFile = cachePath + line + ".txt";
            QFile fileWrite(cacheFile);
            if(!fileWrite.open(QIODevice::WriteOnly))
            {
                QMessageBox::critical(this,"提示","创建缓存文件失败",QMessageBox::Ok);
                fileWrite.close();
                succeed = false;
                break;
            }
            QTextStream out(&fileWrite);
            out<<line;
            fileWrite.close();
            cacheFiles<<cacheFile;
        }
    }
    if(!succeed)
    {
        cacheFiles.clear();
    }
    return cacheFiles;
}

QStringList FormUpload::createCacheFilesByUnzip(QString filePath)
{
    QString cachePath = prepareTempDir();
    QStringList cacheFiles;
    bool succeed = true;
    if(cachePath.isEmpty())
    {
        QMessageBox::critical(this,"提示","创建缓存目录失败",QMessageBox::Ok);
        succeed = false;
    }
    if(!succeed)
    {
        cacheFiles.clear();
        return cacheFiles;
    }
    //调用7z进行解压缩
    QProcess process;
    process.setWorkingDirectory(QCoreApplication::applicationDirPath());
    process.start("\"" + QCoreApplication::applicationDirPath() + "/7ze.exe\" e \"" + filePath\
                  + "\" -o\"" + cachePath +"\" -y");
    process.waitForFinished();
    QDir dir(cachePath);
    QFileInfoList list = dir.entryInfoList();
    for(int i=0;i<list.size();i++)
    {
        if(list.at(i).isFile())
        {
            if(list.at(i).suffix().toLower()=="txt")
                cacheFiles<<list.at(i).absoluteFilePath();
        }
    }
    if(cacheFiles.size()==0)
    {
        QMessageBox::critical(this,"提示","压缩包无法解压或者没有包含有效的TXT文件",QMessageBox::Ok);
    }
    return cacheFiles;
}

void FormUpload::addUploadFile(QStringList filePaths, QString memo, QString fileType)
{
    for(int i=0;i<filePaths.size();i++)
    {
        QString filePath = filePaths.at(i);
        QFileInfo fileInfo(filePath);
        QString fileName = fileInfo.fileName();
        SNCDataBase::addFileUpload("wool","",m_userCode,fileName,filePath,fileType,"1",memo);
    }
}

void FormUpload::on_pushButtonClose_clicked()
{
    emit buttonCloseClicked();
}