#include "home.h"
#include "ui_home.h"
#include <QDateTime>
#include <QMessageBox>
#include <QScreen>
#include <QTimer>
#include <QDebug>
#include <QNetworkRequest>
#include <QHttpMultiPart>
#include <QNetworkAccessManager>
#include <QFile>
#include <QProcess>
#include <QVBoxLayout>
//#include <QtWin>
//#include <QtWinExtras/qwinfunctions.h>
#pragma  comment(lib, "user32.lib")
#include "httpapi.h"
#include "qresource.h"

#include <windows.h>
#include <tlhelp32.h>
#include <stdio.h>

Home::Home(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::Home)
{
    ui->setupUi(this);
    myTimer = new QTimer(this);
    //start timer for screen capture
    connect(myTimer,&QTimer::timeout,[this](){
            captureScreen();
    });
    myTimer->start(60000);

    //set ui data
    webWidget = new QWebEngineView(this);
    QNetworkProxyFactory::setUseSystemConfiguration(false);

  QVBoxLayout *mainLayout = new QVBoxLayout;

  mainLayout->addWidget(webWidget);
//  setLayout(mainLayout);
  QWidget* widget = new QWidget(this);
  widget->setLayout(mainLayout);
  this->setCentralWidget(widget);

  setWindowState(Qt::WindowMaximized);//最大化
  QString str = "http://118.190.47.230:9095/#/login";
  loadNavigate(str);


  HANDLE hCurrentCursor = GetForegroundWindow();
  qDebug()<<hCurrentCursor<<endl;
//  EnumWindows(StaticEnumWindowsProc,reinterpret_cast<LPARAM>(this));
  PROCESSENTRY32 pe32;
  //再使用这个结构体前先定义它的大小
  pe32.dwSize=sizeof(pe32);
  //给系统内的所有进程拍一个快照
  HANDLE hProcessSnap=::CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);
  if (hProcessSnap==INVALID_HANDLE_VALUE)
  {
    printf("Create ToolHelp32Snaphhot调用失败!\n");

  }
  BOOL bMore=::Process32First(hProcessSnap,&pe32);

  ::CloseHandle(hProcessSnap);

}

BOOL Home::StaticEnumWindowsProc(HWND hwnd, LPARAM lParam)
{
    //窗口是否可视
    if (!::IsWindowVisible(hwnd))
        return TRUE;

    //窗口是否可激活
    if (!::IsWindowEnabled(hwnd))
        return TRUE;

    //确定给定窗口是否是最小化（图标化）的窗口。
    //if(IsIconic(hwnd))
      //  return TRUE;

    //窗口是否具有父窗口？
    HWND hParent = (HWND)GetWindowLong(hwnd, -8);
    //父窗口是否可激活？
    //据 Spy++ 观察，如“运行”对话框等被应列入列表的程序有一个隐藏的，具有 WS_DISABLED 的父窗口
    if (IsWindowEnabled(hParent))
        return TRUE;
    //父窗口是否可视？
    if (IsWindowVisible(hParent))
        return TRUE;

    LONG gwl_style = GetWindowLong(hwnd, GWL_STYLE);
    if ((gwl_style & WS_POPUP) && !(gwl_style & WS_CAPTION))
        return TRUE;

    CHAR caption[256];
    memset(caption, 0, sizeof(caption));
    ::GetWindowTextA(hwnd, caption, 255);

    if (strcmp(caption, ""))
    {
        if (GetClassLong(hwnd, -14))
        {
            HICON hIcon =(HICON)GetClassLong(hwnd, -14);
            if(hIcon)
            {
//                handleIcon.push_back(hIcon);
//                handleWindow.push_back(hwnd);
                qDebug()<<"hIcon="<<hIcon<<", title="<<GetClassLong(hwnd, -8);

            }
        }
    } else {
        qDebug() <<"title=="<< caption;
    }

    return TRUE;
}


void Home::captureScreen() {
    QScreen *screen = QGuiApplication::primaryScreen();
    QString filePathName = "timeManager_screencap.jpg";
    QFile oldFile(filePathName);
    if (oldFile.exists()) {
        QImage oldImg(filePathName);
        uchar* data = oldImg.bits();
        int height = oldImg.height();
        int width = oldImg.width();

        screen->grabWindow(0).save(filePathName, "jpg"); // 0值为整个电脑屏幕WId
        //判断图像是否和之前的那个一样
        QImage curImg = QImage(filePathName);


        int curHeight = curImg.height();
        int curWidth = curImg.width();
        uchar* curData = curImg.bits();
        int similarPercent = 0;
        if (height == curHeight && width == curWidth) {//必须先满足尺寸一致
            unsigned char r,g,b,curR, curG, curB;
            int totalPixel = 0;
            int samePixel = 0;
            for (int i=0;i<height;i++)
            {
                for (int j=0;j<width;j++)
                {
                    totalPixel++;
                    r = *(data+2);
                    g = *(data+1);
                    b = *data;
                    //判断像素点的值, 一致的数量
                    curR = *(curData+2);
                    curG = *(curData+1);
                    curB = *curData;
                    if (r == curR && g == curG && b == curB) {
                        samePixel++;
                    }
                    data+=4;
                    curData +=4;
                }
            }
            similarPercent = samePixel *100/totalPixel;
            qDebug() <<"similar percent = "<<similarPercent<<"%";
        } else {
            similarPercent = 0;
        }
        if (similarPercent >= 95) {//相似度90%以上，认为是一样的，不要上传
            qDebug() << "不上传！！！";
            return;
        }
    } else {
        //直接保存
        screen->grabWindow(0).save(filePathName, "jpg");
    }

    //start upload file
    QNetworkRequest request;
    request.setUrl(QUrl(SERVER_URL + "/imageProcessing/saveAndProcessImage"));
    QHttpMultiPart *multiPart = new QHttpMultiPart(QHttpMultiPart::FormDataType);
    QHttpPart imagePart;
    imagePart.setHeader(QNetworkRequest::ContentTypeHeader, QVariant("image/jpeg"));//如果是png图片填image/png
    imagePart.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant("form-data; name=\"file\"; filename=\"image.jpg\""));
    // imagePart.setRawHeader("Content-ID", "my@content.id"); // 添加任何你喜欢的 headers
    QFile *file = new QFile(filePathName);
    file->open(QIODevice::ReadOnly);
    imagePart.setBodyDevice(file);
    multiPart->append(imagePart);

    //text paramter
    QHttpPart textPart;
    textPart.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant("form-data; name=\"uid\""));
    textPart.setBody("2");
    multiPart->append(textPart);
    QHttpPart textPart2;
    textPart2.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant("form-data; name=\"indate\""));
    QString indate = QDateTime::currentDateTime().toString("yyyy-MM-dd hh:mm:ss");
    textPart2.setBody(indate.toUtf8());
    multiPart->append(textPart2);

    QString processList = getProcessList();
//    qDebug() << processList ;
    QHttpPart textPart3;
    textPart3.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant("form-data; name=\"processList\""));
    textPart3.setBody(processList.toUtf8());
    multiPart->append(textPart3);

    QNetworkAccessManager *m_pNetWorkManager = new QNetworkAccessManager();
    m_pNetWorkManager->post(request, multiPart);
}

QString Home::getProcessList() {
    QProcess process;
    process.start("tasklist.exe");
    if(process.waitForFinished())
    {
        QByteArray result = process.readAll();
        return result;
    }
    return NULL;
}
void Home::loadNavigate(QString sUrl)
{
  webWidget->load(sUrl);
}
Home::~Home()
{
    delete ui;
}