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

#include "../Common/include/yaml-cpp/yaml.h"

#include "commonhelper.h"
#include "frameless_helper.h"

#include <fstream>
#include <sstream>
#include <QMessageBox>

#include <mmsystem.h>
#pragma comment(lib, "winmm")

#define MaxSize_IRSensorTool   (4096*2048)

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

    this->setWindowTitle(tr(" ") );

    // OpenGLView
    //this->setAttribute(Qt::WA_Mapped);

    //
    m_bMousePressed = false;

    //
    m_bThreadRunning = false;
    m_ptrThread = nullptr;

    // 初始化界面
    InitStyle();

    // 加载信号槽函数连接
    Connect();
}

MainWindow::~MainWindow()
{
    //
    Disconnect();

    delete ui;
}

void    MainWindow::Connect()
{
    // 通用
    connect(ui->m_pushButton_MinMenu, &QPushButton::clicked, this, &MainWindow::OnButtonClicked);
    connect(ui->m_pushButton_CloseMenu, &QPushButton::clicked, this, &MainWindow::OnButtonClicked);

    // 数据库测试
    connect(ui->m_pushButton_LoadFile, &QPushButton::clicked, this, &MainWindow::OnButtonClicked);
    connect(ui->m_pushButton_GenerateFile, &QPushButton::clicked, this, &MainWindow::OnButtonClicked);

    //
    connect(&m_varTimer, &QTimer::timeout, this, &MainWindow::OnTimer);
    m_varTimer.setTimerType(Qt::PreciseTimer);
    m_varTimer.start(40);
}

void    MainWindow::Disconnect()
{
    // 通用
    disconnect(ui->m_pushButton_MinMenu, &QPushButton::clicked, this, &MainWindow::OnButtonClicked);
    disconnect(ui->m_pushButton_CloseMenu, &QPushButton::clicked, this, &MainWindow::OnButtonClicked);

    // 数据库测试
    disconnect(ui->m_pushButton_LoadFile, &QPushButton::clicked, this, &MainWindow::OnButtonClicked);
    disconnect(ui->m_pushButton_GenerateFile, &QPushButton::clicked, this, &MainWindow::OnButtonClicked);

    //
    m_varTimer.stop();
    disconnect(&m_varTimer, &QTimer::timeout, this, &MainWindow::OnTimer);
}

void    MainWindow::OnButtonClicked()
{
    // 最小化
    if(sender() == ui->m_pushButton_MinMenu)
    {
        this->showMinimized();
    }

    // 退出程序
    if(sender() == ui->m_pushButton_CloseMenu)
    {
        qApp->exit();
    }

    if(sender() == ui->m_pushButton_LoadFile)
    {        
        LoadYAMLFile();
    }

    if(sender() == ui->m_pushButton_GenerateFile)
    {
        GenerateYAMLFile();
    }
}

void MainWindow::InitStyle()
{
    m_bMousePressed = false;

    //安装事件监听器,让标题栏识别鼠标双击
    ui->lblTitle->installEventFilter(this);
    /*
    this->setWindowFlags(/*Qt::FramelessWindowHint |*
                         Qt::WindowTitleHint |
                         Qt::WindowSystemMenuHint);
*/
    FramelessHelper *pHelper = new FramelessHelper(this);
    pHelper->activateOn(this);  //激活当前窗体
    pHelper->setTitleHeight(ui->wgtTitleBar->height());  //设置窗体的标题栏高度

    CommonHelper::SetStyle("blue");//"blue"//"dark"
}

bool MainWindow::eventFilter(QObject *obj, QEvent *event)
{
    //if (ui->lblTitle == obj)
    {
        if (event->type() == QEvent::MouseButtonPress)
        {

            QMouseEvent *mouseEvent = dynamic_cast<QMouseEvent*>(event);

            if (mouseEvent->button() == Qt::LeftButton)
            {
                m_bMousePressed = true;
                m_ptMouse = mouseEvent->globalPos() - pos();
                mouseEvent->accept();
            }
            return true;
        }

        else if (event->type() == QEvent::MouseMove)
        {
            QMouseEvent *mouseEvent = dynamic_cast<QMouseEvent*>(event);

            if (m_bMousePressed && this->windowState() != Qt::WindowMaximized)
            {
                if (mouseEvent->globalY() <= qApp->desktop()->availableGeometry().bottom())
                {
                    move(mouseEvent->globalPos() - m_ptMouse);
                    mouseEvent->accept();
                }
                else
                {
                    qApp->desktop()->cursor().setPos(
                                qApp->desktop()->cursor().pos().x(),
                                qApp->desktop()->availableGeometry().bottom()
                                );
                }
            }
            return true;
        }

        else if (event->type() == QEvent::MouseButtonRelease)
        {
            QMouseEvent *mouseEvent = dynamic_cast<QMouseEvent*>(event);

            if (mouseEvent->button() == Qt::LeftButton)
            {
                m_bMousePressed = false;
                mouseEvent->accept();
            }
            return true;
        }
    }
    return QMainWindow::eventFilter(obj, event);
}

void    MainWindow::OnTimer()
{
}

bool    MainWindow::LoadYAMLFile()
{
    YAML::Node config = YAML::LoadFile("yaml.txt");

    QString str = config["name"].as<std::string>().c_str();

    str = config["skills"]["c++"]["cpp11"].as<std::string>().c_str();
    str = config["age"].as<std::string>().c_str();

    std::ostringstream oss;
    oss << config;
    str = oss.str().c_str();

    ui->m_textEdit_Result->setText(str);

    return true;
}

bool    MainWindow::GenerateYAMLFile()
{
    YAML::Node config;

    config["name"] = "guide coder";
    config["skills"]["c++"]["cpp11"] = "c++11";
    config["skills"]["c++"]["cpp14"] = "c++14";
    config["skills"]["c++"]["cpp17"] = "c++17";
    config["skills"]["c++"]["cpp19"] = "c++19";
    config["skills"]["c++"]["cpp22"] = "c++22";
    config["age"] = "22";

    std::ofstream varGenYamlFile("yaml.txt");
    varGenYamlFile << config;
    varGenYamlFile.close();

    return true;
}

void    MainWindow::ThreadEntry(ThreadRunFunPtr pRunFun, void* pOwner)
{
    MainWindow* pThis = reinterpret_cast<MainWindow*>(pOwner);

    if (NULL == pThis)
    {
        return;
    }

    (pThis->*pRunFun)();
}

void	MainWindow::ThreadFun()
{
    timeBeginPeriod(1);


    timeEndPeriod(1);
}

bool    MainWindow::StartThread()
{
    StopThread();

    //
    m_bThreadRunning = true;
    m_ptrThread = new std::thread(std::bind(&MainWindow::ThreadEntry, &MainWindow::ThreadFun, (void*)this));

    return true;
}

void    MainWindow::StopThread()
{
    //
    if(m_bThreadRunning)
    {
        m_bThreadRunning = false;

        if(nullptr != m_ptrThread)
        {
            m_ptrThread->join();

            delete m_ptrThread;
            m_ptrThread = nullptr;
        }
    }
}