#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "resultview.h"
#include "titlebar.h"


#include <QDesktopWidget>
#include <QTextCodec> 
#include <QVBoxLayout>
#include <QDebug>

#include <QMessagebox>



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

    setMouseTracking(true);//鼠标追踪
    initWidget();
    signalAndSlot();
 
    

}

MainWindow::~MainWindow()
{
    if (m_title)
    {
        delete m_title;
        m_title = nullptr;
    }

    if (m_result)
    {
        delete m_result;
        m_result = nullptr;
    }

    delete ui;
    qDebug() << __FUNCTION__ << "line:" << __LINE__ << " ~MainWindow success!";
}


void MainWindow::initWidget()
{
    qDebug() << __FUNCTION__ << __LINE__ << "start";

   
    QDir dir = QApplication::applicationDirPath();
    currPath = dir.path();
    setWindowFlags(Qt::Window|Qt::FramelessWindowHint|Qt::WindowSystemMenuHint|Qt::MSWindowsFixedSizeDialogHint
                   |Qt::WindowMinimizeButtonHint|Qt::WindowMaximizeButtonHint);
    setStyleSheet("QWidget{background-color: rgb(175, 175, 175);}"
                  "QToolTip{border-style: none;color:black; font-size:12px;}");
    m_title = new TitleBar(this);
    m_title->setMouseTracking(true);
    m_title->setPath(currPath);
    m_title->setFixedHeight(38);
    m_title->setStyleSheet("TitleBar{background-color: rgb(180, 165, 130);border:0px;}");
    m_title->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
    //  加载界面
    m_result = new ResultView(this);
    QFont m_Font;
    m_Font.setFamily("Microsoft YaHei");
    m_Font.setPixelSize(15);
    m_result->my_SetFont(m_Font);
    m_result->setMouseTracking(true);
    m_result->setPath(currPath);
    m_result->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);

   
    QVBoxLayout* h_layout = new  QVBoxLayout();
    h_layout->addWidget(m_title);
    h_layout->addWidget(m_result);
    h_layout->setStretchFactor(m_title, 1);
    h_layout->setStretchFactor(m_result, 9);
    h_layout->setContentsMargins(5, 5, 5, 5);
    

    QWidget *m_widget = new QWidget;
    m_widget->setMouseTracking(true);
    delete m_widget->layout();
    m_widget->setLayout(h_layout);

    this->setCentralWidget(m_widget);

    m_result->LoadSavepath(currPath + QString::fromUtf8("/config/软件加载配置.csv"));
    connect(m_title, &TitleBar::mouseRecover, this, [=]()
        {
            setCursor(Qt::ArrowCursor);
        });
    connect(m_title, &TitleBar::OpenProjectSignal, this, [=](QString path)
        {
            m_result->Load_Param_Config(path);
            setCursor(Qt::ArrowCursor);
        });
    connect(m_title, &TitleBar::SaveProjectSignal, this, [=](QString path)
        {
            m_result->Save_Param_Config(path);
            setCursor(Qt::ArrowCursor);
            
        });
    connect(m_title, &TitleBar::showStatisticalTableSignal, this, [=]()
        {
            setCursor(Qt::ArrowCursor);
            // 统计报表
            m_result->getResultRepot();
        });

}

void MainWindow::signalAndSlot()
{

}



void MainWindow::mousePressEvent(QMouseEvent *event)
{

    if (Qt::LeftButton == event->button() && m_bCanDragResize)
    {
        m_start_drag_point = event->globalPos();
    }

    return QWidget::mousePressEvent(event);
}

void MainWindow::mouseMoveEvent(QMouseEvent *event)
{
    
    if (Qt::LeftButton & event->buttons())
    {
        if (m_bCanDragResize)
        {
            if( m_emHorizontal == DRAG_LOCK_RIGHT && m_emVertical == DRAG_LOCK_TOP )
            {
                QPoint gloPoint = event->globalPos();
                QRect rect = this->rect();
                QPoint tl = mapToGlobal(rect.topLeft());
                QPoint rb = mapToGlobal(rect.bottomRight());

                QRect rMove(tl,rb);
                if(rb.x() - gloPoint.x() <= minimumWidth())
                    rMove.setX(tl.x());
                else
                    rMove.setX(gloPoint.x());

                if(rb.y() - gloPoint.y() <= minimumHeight() )
                {
                    rMove.setY(tl.y());
                    rMove.setHeight(gloPoint.y()-tl.y());
                }
                else
                    rMove.setY(gloPoint.y());

                setGeometry(rMove);
            }
            else if( m_emHorizontal == DRAG_LOCK_RIGHT && m_emVertical == DRAG_LOCK_BOTTOM )
            {
                QPoint gloPoint = event->globalPos();
                QRect rect = this->rect();
                QPoint tl = mapToGlobal(rect.topLeft());
                QPoint rb = mapToGlobal(rect.bottomRight());

                QRect rMove(tl,rb);
                if(rb.x() - gloPoint.x() <= minimumWidth())
                    rMove.setX(tl.x());
                else
                    rMove.setX(gloPoint.x());

                if(rb.y() - gloPoint.y() <= minimumHeight() )
                {
                    rMove.setY(tl.y());
                    rMove.setHeight(gloPoint.y()-tl.y());
                }
                else
                    rMove.setY(gloPoint.y());
                setGeometry(rMove);
            }
            else if( m_emHorizontal == DRAG_LOCK_LEFT && m_emVertical == DRAG_LOCK_BOTTOM  )
            {
                QPoint gloPoint = event->globalPos();
                QRect rect = this->rect();
                QPoint tl = mapToGlobal(rect.topLeft());
                QPoint rb = mapToGlobal(rect.bottomRight());

                QRect rMove(tl,rb);
                if(rb.x() - gloPoint.x() <= minimumWidth())
                {
                    rMove.setX(tl.x());
                    rMove.setWidth(gloPoint.x()-tl.x());
                }
                else
                    rMove.setX(gloPoint.x());

                if(rb.y() - gloPoint.y() <= minimumHeight() )
                {
                    rMove.setY(tl.y());
                    rMove.setHeight(gloPoint.y()-tl.y());
                }
                else
                    rMove.setY(gloPoint.y());
                setGeometry(rMove);
            }
            else if(m_emHorizontal == DRAG_LOCK_RIGHT)
            {

                QPoint gloPoint = event->globalPos();
                QRect rect = this->rect();
                QPoint tl = mapToGlobal(rect.topLeft());
                QPoint rb = mapToGlobal(rect.bottomRight());

                QRect rMove(tl,rb);
                if(rb.x() - gloPoint.x() <= minimumWidth())
                    rMove.setX(tl.x());
                else
                    rMove.setX(gloPoint.x());

                this->setGeometry(rMove);
            }
            else if ( m_emVertical == DRAG_LOCK_BOTTOM )
            {
                QPoint gloPoint = event->globalPos();
                QRect rect = this->rect();
                QPoint tl = mapToGlobal(rect.topLeft());
                QPoint rb = mapToGlobal(rect.bottomRight());

                QRect rMove(tl,rb);
                if(rb.y() - gloPoint.y() <= minimumHeight() )
                    rMove.setY(tl.y());
                else
                    rMove.setY(gloPoint.y());

                this->setGeometry(rMove);
            }
            else if(  m_emVertical == DRAG_LOCK_TOP && m_emHorizontal != DRAG_LOCK_LEFT)
            {
                QPoint gloPoint = event->globalPos();
                QRect rect = this->rect();
                QPoint tl = mapToGlobal(rect.topLeft());
                QPoint rb = mapToGlobal(rect.bottomRight());

                QRect rMove(tl,rb);
                qreal y_val = rb.y() - gloPoint.y();
                if(y_val <= minimumHeight() )
                {
                    rMove.setY(tl.y());
                    rMove.setHeight(gloPoint.y()-tl.y());
                }
                else
                    rMove.setY(gloPoint.y());
                qreal screen_h = qApp->desktop()->screenGeometry(this).height();
                if(rMove.height()+rMove.y() > screen_h-60)
                {
                    rMove.setHeight(rMove.height()-30);
                }
                this->setGeometry(rMove);
            }
            else
            {
                const QPoint point_offset = event->globalPos() - m_start_drag_point;
                m_start_drag_point = event->globalPos();
                int nOffsetX1 = DRAG_LOCK_RIGHT == m_emHorizontal ? point_offset.x() : 0;
                int nOffsetY1 = DRAG_LOCK_BOTTOM == m_emVertical ? point_offset.y() : 0;
                int nOffsetX2 = DRAG_LOCK_LEFT == m_emHorizontal ? point_offset.x() : 0;
                int nOffsetY2 = DRAG_LOCK_TOP == m_emVertical ?point_offset.y() : 0;

                setGeometry(geometry().adjusted(nOffsetX1, nOffsetY1, nOffsetX2, nOffsetY2));

            }
        }
    }
    else if (Qt::NoButton == event->button())
    {
        const QPoint& globalPos = event->globalPos();
        const QPoint& pos = event->pos();

        bool bHorLeft = qAbs(globalPos.x()-this->geometry().x()) < g_nBorder;
        bool bHorRight = (pos.x() > this->rect().right() - g_nBorder);
        bool bVertTop = pos.y() < g_nBorder-2;
        bool bVertBottom = pos.y() > this->rect().bottom() - g_nBorder;

        if (bHorLeft || bHorRight || bVertTop || bVertBottom)
        {
            m_bCanDragResize = true;
            if (bHorLeft && bVertTop)        //左上角拖拽
            {
                setCursor(Qt::SizeFDiagCursor);
                m_emHorizontal = DRAG_LOCK_RIGHT;
                m_emVertical = DRAG_LOCK_BOTTOM;
            }
            else if (bHorLeft && bVertBottom)    //左下角拖拽
            {
                setCursor(Qt::SizeBDiagCursor);
                m_emHorizontal = DRAG_LOCK_RIGHT;
                m_emVertical = DRAG_LOCK_TOP;
            }
            else if (bHorRight && bVertTop)        //右上角拖拽
            {
                setCursor(Qt::SizeBDiagCursor);
                m_emHorizontal = DRAG_LOCK_LEFT;
                m_emVertical = DRAG_LOCK_BOTTOM;
            }
            else if ( bHorRight && bVertBottom )    //右下角拖拽
            {
                setCursor(Qt::SizeFDiagCursor);
                m_emHorizontal = DRAG_LOCK_LEFT;
                m_emVertical = DRAG_LOCK_TOP;
            }
            else if (bHorLeft)                     //左边框拖拽
            {
                setCursor(Qt::SizeHorCursor);
                m_emHorizontal = DRAG_LOCK_RIGHT;
                m_emVertical = DRAG_KEEP;
            }
            else if (bHorRight)                    //右边框拖拽
            {
                setCursor(Qt::SizeHorCursor);
                m_emHorizontal = DRAG_LOCK_LEFT;
                m_emVertical = DRAG_KEEP;
            }
            else if (bVertTop)                    //上边框拖拽
            {
                setCursor(Qt::SizeVerCursor);
                m_emHorizontal = DRAG_KEEP;
                m_emVertical = DRAG_LOCK_BOTTOM;
            }
            else if (bVertBottom)                //下边框拖拽
            {
                setCursor(Qt::SizeVerCursor);
                m_emHorizontal = DRAG_KEEP;
                m_emVertical = DRAG_LOCK_TOP;
            }
        }
        else if (m_bCanDragResize)
        {
            m_bCanDragResize = false;
            setCursor(Qt::ArrowCursor);
        }
    }
}

void MainWindow::mouseReleaseEvent(QMouseEvent *event)
{

    return QWidget::mouseReleaseEvent(event);
}

void MainWindow::resizeEvent(QResizeEvent *event)
{
    Q_UNUSED(event);
    //    ui->View->fitInView(retPixmap,Qt::KeepAspectRatio);
}