#include "ftpclient.h"
#include <QEventLoop>
#include "NetMgr.h"
#include <QJsonArray>
#include <QJsonObject>
#include "global.h"


FtpClient *g_FtpClient = NULL;

FtpClient::FtpClient(QWidget *parent)
    : QWidget(parent)
{
   m_ftpManager = new QNetworkAccessManager(this);

   m_inputFile = NULL;
   m_fileName  = "";
   m_Type = -1;
   //connect(m_ftpManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(finished(QNetworkReply*)));
   connect(g_NetMgr,SIGNAL(sigNetMgr(QString, const QVariant&)), this, SLOT(slotNetMgr(QString,const QVariant&)));

}

FtpClient::~FtpClient()
{
    delete m_ftpManager;
    delete m_ftpUrl;
}

void FtpClient::SetUserInfo(const QString userAccount, const QString pwd)
{
    m_ftpUrl->setUserName(userAccount);
    m_ftpUrl->setPassword(pwd);
}

void FtpClient::SetServerInfo(const QString fileAddr, int Port/* =21 */)
{

    m_ftpManager->disconnect(SIGNAL(finished(QNetworkReply*)));
    connect(m_ftpManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(finished(QNetworkReply*)));
    //connect(m_ftpManager, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(CheckReplyStatus(QNetworkReply::NetworkError)));
    m_ftpUrl = new QUrl(fileAddr);

    m_ftpUrl->setPort(Port);

}

void FtpClient::slotNetMgr(QString sAddr, const QVariant &msg)
{
    QJsonObject objec = msg.value<QJsonObject>();
    if(objec.contains("cmd"))
    {
        QJsonValue arrays_value = objec.take("cmd");
        qDebug()<<"cmd ="<<arrays_value.toString();
        if(arrays_value.toString() == "90" || arrays_value.toString() == "46" )
        {
            bool Status = objec.take("success").toBool();
            QString strMessage = objec.take("message").toString();
            if(Status){
                sigReplyStatus(1);
                QMessageBox::information(this, QStringLiteral("提示"), QStringLiteral("保存成功！"));
            }else{
                QMessageBox::information(this, QStringLiteral("提示"), strMessage);
                sigReplyStatus(0);
            }
        }
    }
}

void FtpClient::finished(QNetworkReply* reply)
{

    QNetworkReply::NetworkError error = reply->error();
    qDebug() << "finished" << error <<endl;
    if(m_fileName != ""){
        //QMessageBox::information(this, QStringLiteral("提示"), QStringLiteral("保存成功！"));
        QJsonObject allObj,cmdBody,temp;
        QJsonArray tempArray;
        if(m_fileName.contains(".json")){
            allObj.insert("cmd", "90");
            temp["fileName"] = m_fileName;
            if(m_Type >= 0)
                temp["content"] = m_Type;
            tempArray.append(temp);
            allObj.insert("cmdBody",tempArray);
        }else{
            allObj.insert("cmd", "46");
            allObj.insert("type", m_Type);
            temp["fileName"] = m_fileName;
            allObj.insert("cmdBody",temp);
        }

        qDebug() << allObj << endl;
        QNetworkRequest req;
        QString sUrl = QString("http://%1/cgi-bin/General.cgi/").arg(IP);

        req.setUrl(sUrl);
        g_NetMgr->PostJson(req,allObj);
        m_fileName = "";
        m_Type = -1;
        //QMessageBox::information(this, QStringLiteral("提示"), QStringLiteral("保存成功！"));
    }

    if(m_inputFile != NULL)
    {

        emit sigDownloadStatus();
        m_inputFile->flush();
        m_inputFile->close();
        delete m_inputFile;
        m_inputFile = NULL;
        downloadReply->deleteLater();
        return;
    }
    reply->deleteLater();
}

void FtpClient::CheckReplyStatus(QNetworkReply::NetworkError inputError)
{
    qDebug() << "inputError" << inputError << endl;
    switch(inputError)
    {
    case QNetworkReply::NoError:
        QMessageBox::warning(this, QStringLiteral("警告"), QStringLiteral("文件上传成功"));
        break;
    case QNetworkReply::HostNotFoundError:
        QMessageBox::warning(this, QStringLiteral("警告"), QStringLiteral("服务器名称不合理"));
        break;
    case QNetworkReply::ConnectionRefusedError:
        QMessageBox::warning(this, QStringLiteral("警告"), QStringLiteral("服务器拒绝连接"));
        break;
    case QNetworkReply::RemoteHostClosedError:
        QMessageBox::warning(this, QStringLiteral("警告"), QStringLiteral("服务器已关闭"));
        break;
    case QNetworkReply::ContentNotFoundError:
        QMessageBox::warning(this, QStringLiteral("警告"), QStringLiteral("文件不存在！"));
        break;
    default:
        QMessageBox::warning(this, QStringLiteral("警告"), QStringLiteral("异常错误"));
        break;

    }
}

void FtpClient::UpLoadFile(const QString fileSource, const QString fileName,int type)
{
    if(fileSource.isEmpty())
    {
        return;
    }
    m_fileName = fileName;
    m_Type = type;
    QFile file(fileSource);
    if(!file.exists())
    {
        QMessageBox::warning(this, QStringLiteral("警告"), QStringLiteral("上传的文件不存在"));
        return;
    }
    file.open(QIODevice::ReadOnly);
    QByteArray data = file.readAll(); //转化编码
    //QString result = QString::fromLatin1(fileDest.toStdString().c_str());
    //m_ftpUrl->setPath(result);
    QNetworkReply* reply = m_ftpManager->put(QNetworkRequest(*m_ftpUrl), data);
    connect(reply, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(CheckReplyStatus(QNetworkReply::NetworkError)));
    QEventLoop   loop;
    connect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
    loop.exec();
    reply->deleteLater();
    file.close();
}

void FtpClient::DownLoad(const QString fileSource, const QString fileDest)
{
    if(fileSource.isEmpty() || fileDest.isEmpty())
    {
        return;
    }

    QFileInfo info;
    info.setFile(fileDest);
    m_inputFile = new QFile(info.filePath());
    m_inputFile->open(QIODevice::WriteOnly | QIODevice::Truncate);
    QString result = QString::fromLatin1(fileSource.toStdString().c_str());//转化编码
    m_ftpUrl->setPath(result);
    downloadReply = m_ftpManager->get(QNetworkRequest(*m_ftpUrl));
    connect(downloadReply, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(CheckReplyStatus(QNetworkReply::NetworkError)));
    connect(downloadReply, SIGNAL(downloadProgress(qint64,qint64)), SLOT(downloadProgress(qint64,qint64)));

    QEventLoop   loop;
    connect(downloadReply, SIGNAL(finished()), &loop, SLOT(quit()));
    loop.exec();
}

void FtpClient::downloadProgress(qint64 byteSend, qint64 byteTotal)
{

    m_inputFile->write(downloadReply->read(byteSend));
    qDebug() << byteSend << byteTotal << endl;
    emit sigDownloadProcess(byteSend,byteTotal);
}