#include "tools_Index3.h"
#include "ui_tools_Index3.h"

QString STR2HTML(QByteArray &str)
{
    QString msg;

    msg.append(str);

    msg.replace("&","&");
    msg.replace(">",">");
    msg.replace("<","&lt;");
    msg.replace("\"","&quot;");
    msg.replace("\'","&#39;");
    msg.replace(" ","&nbsp;");
    //msg.replace("\n","<br />");
    msg.replace("\t","&nbsp;&nbsp;&nbsp;&nbsp;");

    return msg;
}

void myMessageOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg)
{
    QString msgstr;
    switch (type) {
    case QtDebugMsg:
        msgstr = QString::asprintf(">> Debug: %s \r\n", qPrintable(msg));
        break;
    case QtInfoMsg:
        msgstr = QString::asprintf(">> Info: %s \r\n", qPrintable(msg));
        break;
    case QtWarningMsg:
        msgstr = QString::asprintf(">> Warning: %s  \r\n", qPrintable(msg));
        break;
    case QtCriticalMsg:
        msgstr = QString::asprintf(">> Critical: %s  \r\n", qPrintable(msg));
        break;
    case QtFatalMsg:
        msgstr = QString::asprintf(">> Fatal: %s  \r\n", qPrintable(msg));
        break;
    }
}



Tools_Index3::Tools_Index3(QWidget *parent) :
    ToolsWidget(parent),
    ui(new Ui::Tools_Index3)
{
    ui->setupUi(this);

    /*
    //load qss
    QFile file(":/qss/Setting.qss");
    file.open(QFile::ReadOnly);
    QTextStream filetext(&file);
    QString stylesheet = filetext.readAll();
    this->setStyleSheet(stylesheet);
    file.close();
    */


    timer = new QTimer();
    timer->setInterval(1000);

    connect(timer,&QTimer::timeout,
            this,&Tools_Index3::timerout);

    //log_te = ui->plainTextEdit;

    //qInstallMessageHandler(myMessageOutput);

    ui->comboBox_EndType->addItem("CRLF","\r\n");
    ui->comboBox_EndType->addItem("LF","\n");
    ui->comboBox_EndType->addItem("CR","\r");
    ui->comboBox_EndType->setCurrentIndex(1);



    int w = 150;
    int h = 50;

    ui->pushButton_clear->setFixedSize(w,h);
    ui->pushButton_ClearWindow->setFixedSize(w,h);
    ui->pushButton_Save->setFixedSize(w,h);
    ui->pushButton_send->setFixedSize(w,h);

    ui->comboBox_EndType->setFixedSize(w,h);
    ui->lineEdit->setFixedHeight(h);
}

Tools_Index3::~Tools_Index3()
{
    delete ui;
}

void Tools_Index3::resizeEvent(QResizeEvent *event)
{
    //Q_UNUSED(event)
    update();
}

void Tools_Index3::keyPressEvent(QKeyEvent *event)   //键盘按下事件
{
    switch(event->key())
    {
       case Qt::Key_Return:
       {
            QString msg;

            msg = ui->lineEdit->text();

            Transmit(msg);
       }break;
       case Qt::Key_Up:
       {
             if(History.size() > 0)
             {
                 if(HistoryCount > 0)
                 {
                     HistoryCount --;
                 }

                 QString msg;
                 msg = History.at(HistoryCount);
                 ui->lineEdit->setText(msg);


             }

       }break;
       case Qt::Key_Down:
       {
            if(History.size() > 0)
            {
                if(HistoryCount < History.size())
                {
                    HistoryCount ++;
                }

                if(HistoryCount >= History.size())
                {
                    QString msg = "";
                    ui->lineEdit->setText(msg);

                    return;
                }

                QString msg;
                msg = History.at(HistoryCount);
                ui->lineEdit->setText(msg);
            }
       }break;

    }

}

void Tools_Index3::timerout()
{
    if(msgdata.size() > 0)
    {
        ui->textBrowser->append(msgdata);
        msgdata.clear();
        timer->stop();
    }
}

void Tools_Index3::wheelEvent(QWheelEvent *event)   //键盘按下事件
{
    /*
    if(ui->lineEdit->)
    {
        if(event->angleDelta().y() > 0)
        {
            if(History.size() > 0)
            {
                if(HistoryCount > 0)
                {
                    HistoryCount -= qAbs(event->angleDelta().y()/120);
                }

                QString msg;
                msg = History.at(HistoryCount);
                ui->lineEdit->setText(msg);


            }
        }
        else if(event->angleDelta().y() < 0)
        {
            if(History.size() > 0)
            {
                if(HistoryCount < History.size())
                {
                    HistoryCount += qAbs(event->angleDelta().y()/120);
                }

                if(HistoryCount >= History.size())
                {
                    QString msg = "";
                    ui->lineEdit->setText(msg);

                    return;
                }

                QString msg;
                msg = History.at(HistoryCount);
                ui->lineEdit->setText(msg);
            }
        }
    }
    */

}

void Tools_Index3::Recieve(QString msg)
{
   msgdata.append(msg);

   while (!msgdata.isEmpty()) {


       if(!msgdata.contains("\n"))
       {
          return;
       }


       bool newline = false;
       int idx = msgdata.indexOf('\n');
       if (idx == -1) {
           // Read the whole incoming buffer
           idx = msgdata.size();
       } else {
           newline = true;
       }

       QByteArray fragment = msgdata.mid(0, idx);

       msgdata.remove(0, idx + (newline ? 1 : 0));


       QByteArray str;

       if((QDateTime::currentMSecsSinceEpoch() - last) > 5000)
       {
           str.clear();
           QString time = QDateTime::currentDateTime().toString("hh:mm:ss.zzz");
           str.append("<font color=\"#B452CD\">");
           str.append(time);
           str.append("</font>");
           str.append("<font color=\"#00FF00\"> &lt;&lt; </font>");
           ui->textBrowser->append(str);
           str.clear();
       }
       last = QDateTime::currentMSecsSinceEpoch();




       str.append("<font color=\"#00FFFF\">");
       str.append(STR2HTML(fragment));
       //str.append(fragment);
       str.append("</font>");



       /*
       str.append(fragment);
       */





       bool flag = false;

       QScrollBar *bar = ui->textBrowser->verticalScrollBar();

       if(bar)
       {
           if(!bar->isHidden())
           {
               if(bar->value() >= (bar->maximum() - 10))
               {
                   flag = true;
               }
               else
               {
                   flag = false;
               }
           }
           else
           {
               flag = false;
           }
       }

       ui->textBrowser->append(str);

       if(flag)
       {
           QTextCursor cursor = ui->textBrowser->textCursor();
           cursor.movePosition(QTextCursor::End);
           ui->textBrowser->setTextCursor(cursor);
       }


   }
}

void Tools_Index3::Transmit(QString msg)
{
    if(ui->lineEdit->text().isEmpty())
    {
        return;
    }

    History.append(msg);
    HistoryCount = History.size();

    msg.append(EndChar);

    //清除时间间隔，保证每次发送出去返回肯定带时间
    last = 0;

    QString time = QDateTime::currentDateTime().toString("hh:mm:ss.zzz");

    QString str;
    str.append("<font color=\"#B452CD\">");
    str.append(time);
    str.append("</font>");
    str.append("<font color=\"#FF0000\"> >> </font>");
    //ui->textBrowser->append(str);


    //str.clear();
    str.append("<font color=\"#FFFF00\">");
    str.append(msg);
    str.append("</font>");

    ui->textBrowser->append(str);

    QTextCursor cursor = ui->textBrowser->textCursor();
    cursor.movePosition(QTextCursor::End);
    ui->textBrowser->setTextCursor(cursor);

    ui->lineEdit->clear();

    emit Terminal_Transmit(msg);


    /*
    QString s;

    s.append("nihhh\tok\t\t\tuu\tooo\r\n");
    s.append("nihhh\tok\tuu\tooo\n");
    s.append("nihhh\tok\tuu\tooo\n");
    s.append("nihhh ok uu ooo\n");
    s.append("nihhh\tok\tuu\tooo");
    s.append("nihhh\tok\tuu\tooo\n");

    Recieve(s);
    */



}

void Tools_Index3::on_pushButton_clear_clicked()
{
    ui->lineEdit->clear();
}

void Tools_Index3::on_pushButton_send_clicked()
{
    QString msg;

    msg = ui->lineEdit->text();
    Transmit(msg);
}

void Tools_Index3::on_comboBox_EndType_currentIndexChanged(int index)
{
     EndChar.clear();
     EndChar.append(ui->comboBox_EndType->currentData().toString());
}

void Tools_Index3::on_pushButton_ClearWindow_clicked()
{
    ui->textBrowser->clear();
}

void Tools_Index3::on_pushButton_Save_clicked()
{
    if(ui->textBrowser->toPlainText().size() > 0)
    {
        QFileDialog *dlg = new QFileDialog();
        QString fileName = dlg->getSaveFileName(this, tr("Selete Path of File..."),
                                                "./Tlog/",
                                                tr("terminal file (*.terminal)"));
        if(!fileName.isEmpty())
        {

            QFile *log_file = nullptr;

            log_file = new QFile(fileName);
            if(log_file->open(QIODevice::WriteOnly))
            {
                log_file->write(ui->textBrowser->toPlainText().toUtf8());

                log_file->close();
            }
        }
    }
    else
    {
        //emit sho
    }
}