#include "mainwindow.h"
#include "ui_mainwindow.h"

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    //this->setWindowFlags(Qt::Dialog|Qt::FramelessWindowHint);       //Remove title bar

    lblSdGifSizeX = 500;
    lblSdGifSizeY = 340;
    showImg(1);
    fontSize = 32;

    on_btnLoading_clicked();
    exitFlag = 0;


    fontFile = new QFileInfo;
    mmcblk0File = new QFileInfo;
    mmcblk0p1File = new QFileInfo;

    QTimer *timerMain = new QTimer(this);
    connect(timerMain, SIGNAL(timeout()), this, SLOT(scanSdCard()));
    timerMain->start(2000);

}

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

void MainWindow::showImg(int i)
{
    if(i)
    {
        imgOpen = new QImage(":/qrc/SDCard.png");
        *imgOpen = imgOpen->scaled(lblSdGifSizeX, lblSdGifSizeY);    //Qt::KeepAspectRatio(Keep the aspect ratio)
        ui->lblSdGif->setPixmap(QPixmap::fromImage(*imgOpen));
        qApp->processEvents();
        //qDebug()<<"1" ;
    }
    else
    {
        imgOpen = new QImage(":/qrc/SDCardW.png");
        *imgOpen = imgOpen->scaled(lblSdGifSizeX, lblSdGifSizeY);    //Qt::KeepAspectRatio(Keep the aspect ratio)
        ui->lblSdGif->setPixmap(QPixmap::fromImage(*imgOpen));
        //qDebug()<<"0";
    }
}

void MainWindow::runApp(int i)
{

    ui->lblText->setText(tr("找到程序文件，加载中 . . ."));
    if(!i)
        QProcess::execute("./../media/mmcblk0/ET_Platform1/IoT6G2C_Demo02_TFT -qws &");
    else
        QProcess::execute("./../media/mmcblk0p1/ET_Platform1/IoT6G2C_Demo02_TFT -qws &");
}

void MainWindow::scanFontFile(int i)
{
    if(fontFile->exists())
    {
        switch (i) {
        case 0:
            runApp(0);
            break;
        case 1:
            runApp(1);
            break;
        case 2:
            ui->lblText->setText(tr("未找到程序文件，请检查内存卡!"));
            showImg(0);
        default:
            break;
        }
    }
    else if(!fontFile->exists())
    {
        switch(i) {
        case 0:
            system("./../media/mmcblk0/ET_Platform1/Setup.sh");
            ui->lblText->setText("Font file wrong!Updating font file . . .");
            showImg(0);
            scanFontFile(0);
            break;
        case 1:
            system("./../media/mmcblk0p1/ET_Platform1/Setup.sh");
            ui->lblText->setText("Font file wrong!Updating font file . . .");
            showImg(0);
            scanFontFile(1);
            break;
        case 2:
            ui->lblText->setText("Find no app and font file,please check SD card!");
            showImg(0);
        default:
            break;
        }
    }
}

void MainWindow::scanSdCard()
{
    showImg(1);
    sleep(1);
    system("echo Hi");

    fontFile->setFile("/usr/local/qt-4.8.6/lib/fonts/wqy-microhei.ttf");
    mmcblk0File->setFile("/media/mmcblk0/ET_Platform1/IoT6G2C_Demo02_TFT");
    mmcblk0p1File->setFile("/media/mmcblk0p1/ET_Platform1/IoT6G2C_Demo02_TFT");
    //mmcblk0p1File->setFile("F:/Files/190724/ET_Platform1/IoT6G2C_Demo02_TFT");

    if(exitFlag>=10)
    {
        exitFlag = 0;
        QProcess *newApp = new QProcess;
        newApp->start("/home/M6G2C_SDCard -qws");
        QApplication::exit(0);
    }
    exitFlag++;

    if(mmcblk0File->exists())
    {
        font.setPixelSize(fontSize);
        ui->lblText->setFont(font);
        scanFontFile(0);
    }
    else if(mmcblk0p1File->exists())
    {
        font.setPixelSize(fontSize);
        ui->lblText->setFont(font);
        int i=0;
        i++;
        ui->btnLoading->setText((QString)i);
        scanFontFile(1);
    }
    else
    {
        font.setPixelSize(fontSize);
        ui->lblText->setFont(font);
        scanFontFile(2);
    }
}


void MainWindow::on_btnLoading_clicked()
{
    //scanSdCard();
    if(windowsFlag)
    {
        windowsFlag = 0;
        this->setGeometry(0,0,480,272);
        ui->lblSdGif->setGeometry(50,50,380,150);
        lblSdGifSizeX = 240;
        lblSdGifSizeY = 150;
        *imgOpen = imgOpen->scaled(lblSdGifSizeX, lblSdGifSizeY);
        ui->lblSdGif->setPixmap(QPixmap::fromImage(*imgOpen));
        ui->lblText->setGeometry(90,210,300,31);
        fontSize = 12;
    }
    else
    {
        windowsFlag = 1;
        this->setGeometry(0,0,1024,768);
        ui->lblSdGif->setGeometry(90,30,826,610);
        lblSdGifSizeX = 500;
        lblSdGifSizeY = 340;
        *imgOpen = imgOpen->scaled(lblSdGifSizeX, lblSdGifSizeY);
        ui->lblSdGif->setPixmap(QPixmap::fromImage(*imgOpen));
        ui->lblText->setGeometry(260,590,521,81);
        fontSize = 32;
    }
    font.setPixelSize(fontSize);
    ui->lblText->setFont(font);
}

void MainWindow::on_btnShutdown_clicked()
{
    system("poweroff");
//    qApp->exit(0);
}