#include "testprintwidget.h"
#include <QDebug>
#include <QIcon>
#include <QFile>
#include <string>
#include <unistd.h>
#include <QMessageBox>
#include <QFileInfo>
#include <QTextBlockFormat>
#include <QTextBlock>
#include <QDateTime>
#include "LogInfo.h"
#include "MyInputMethod.h"
#include <QMatrix>
#include <QPalette>
#include "scene/PicScheduleShiftItem.h"
#include "scene/PicCounterItem.h"
#include "scene/PicSceneLoader.h"
#include "Printsetting.h"

#pragma execution_character_set("utf-8")


TestPrintWidget::TestPrintWidget(QWidget* parent)
    : QWidget(parent)
{
    // 加载UI文件
    ui.setupUi(this);

    // 关联成员变量到UI控件
//    m_TextEdit = ui.m_TextEdit;
    m_LineEdit = ui.m_LineEdit;
    pViewer = ui.graphicsView;
    // 初始化按钮组（互斥）
    m_ButtonGroup = new QButtonGroup(this);
    m_ButtonGroup->setExclusive(true);
    // 添加左侧工具栏按钮到按钮组
    m_ButtonGroup->addButton(ui.btnA, 1);
    m_ButtonGroup->addButton(ui.btnBarcode, 2);
    m_ButtonGroup->addButton(ui.btn3D, 3);
    m_ButtonGroup->addButton(ui.btnDate, 4);
    m_ButtonGroup->addButton(ui.btnNum, 5);
    m_ButtonGroup->addButton(ui.btnArrow, 6);
    // m_ButtonGroup->addButton(ui.btnList, 7);

    dialogSaveFile =new DialogSaveFile(0);
    // connect(dialogSaveFile,SIGNAL(returnMainWidget(int)),this,SIGNAL(sendButtonClickedSignal(int)));

    editMode = SCENE;

    m_TextEdit = new QTextEdit(0);
    m_TextEdit->setLineWrapMode(QTextEdit::NoWrap);

    // 获取文档并设置边距为0
    m_TextEdit->document()->setDocumentMargin(0);
    QFont font;
    font.setFamily("Dinkie9");
    font.setPointSizeF(6.75);
    m_TextEdit->setFont(font);

    pPicScene = new PicScene(this);

    //edit@12-09
    pPicScene->setSceneRect(QRectF(0,0, 3999, SCENE_MAX_HEIGHT));
    ui.graphicsView->setScene(pPicScene);
    ui.graphicsView->centerOn(0,0);
 //   ui->senceEditOption->bindScene(pPicScene, ui->graphicsView, ui->textEdit);
    this->pPicScene->setIsdrawBackground(true);

    connect(pPicScene,&PicScene::selectionChanged,this,[=]() {
        getShowSelectItemText();
    });

    // ========== 连接所有信号槽 ==========
    // 左侧工具栏按钮组
    connect(m_ButtonGroup, QOverload<QAbstractButton*>::of(&QButtonGroup::buttonClicked),
        this, [=](QAbstractButton* btn) {
        // 该功能会先弹出子界面
            if (btn == ui.btnBarcode) return;
            emit sendButtonClickedSignal(m_ButtonGroup->id(btn));
        });

    connect(ui.btn3D, &QPushButton::clicked, this, &TestPrintWidget::onBtn3DClicked);

    // 顶部工具栏按钮
    connect(ui.btnSave, &QPushButton::clicked, this, &TestPrintWidget::on_saveButton_pressed);

    connect(ui.btnListConfig, &QPushButton::clicked, [this]() {       
        
        if(m_printSetting) {
            m_printSetting->setModel(m_printSettingModel);
        }
        
        emit sendButtonClickedSignal(9);
    });

    connect(ui.btnItemConfig, &QPushButton::clicked, this, &TestPrintWidget::onBtnItemConfigClicked);

    // 顶部工具按钮
    connect(ui.btnCancel, &QPushButton::clicked, [this]() {
//        emit sendButtonClickedSignal(13);
        on_delButton_pressed();
        });

    // 控制区第一行按钮
    connect(ui.m_btnLeft_Control1, &QPushButton::clicked, this, &TestPrintWidget::selectPreviousItem);
    connect(ui.m_btnRight_Control1, &QPushButton::clicked, this, &TestPrintWidget::selectNextItem);

    // 方向箭头按钮
    connect(ui.m_btnUp, &QPushButton::clicked, [this]() {
        //        emit sendButtonClickedSignal(16);
        on_KeyUp_clicked();
    });
    connect(ui.m_btnLeft_Arrow, &QPushButton::clicked, [this]() {
//        emit sendButtonClickedSignal(17);
        on_KeyLeft_clicked();
        });
    connect(ui.m_btnRight_Arrow, &QPushButton::clicked, [this]() {
//        emit sendButtonClickedSignal(18);
        on_KeyRight_clicked();
        });
    connect(ui.m_btnDown, &QPushButton::clicked, [this]() {
//        emit sendButtonClickedSignal(19);
        on_KeyDown_clicked();
        });

    connect(ui.btnA,&QPushButton::clicked,[this](){
        on_addButton_pressed(SourceType::TEXT);
        m_LineEdit->setFocus();
    });

    connect(ui.btnDate,&QPushButton::clicked, this, &TestPrintWidget::addDateItem);


    connect(ui.btnArrow, &QPushButton::clicked, this, &TestPrintWidget::onBtnArrowClicked);

    connect(ui.btnNum,&QPushButton::clicked,[this](){
        // on_addButton_pressed();
        // m_TextEdit->clear();
        // emit sendButtonClickedSignal(17);

        pPicScene->clearSelection();

        QFont font("Dinkie9");
        int ls = (int)(font.letterSpacing());

        CounterViewModel vm;
        vm.charWidth = 0;
        vm.enbCustomCharWidth = false;
        vm.counterType = COUNTER_TYPE_1;
        vm.digitalNum = 2;
        vm.letterSpace = ls;
        vm.cnt1Settings = m_printSettingModel.cnt1Settings;
        vm.cnt2Settings = m_printSettingModel.cnt2Settings;
        emit sig_showEditCounter(vm);
    });

    connect(ui.btnBarcode, &QPushButton::clicked, [this](){
        pPicScene->clearSelection();
        BarcodeViewModel vm;
        vm.generalSettingsVM = TextItemModel();
        vm.contentPattern = "";
        vm.counterViewModel = CounterViewModel();
        vm.dateViewModel = DateItemModel::createDefaultReplaceModel();
        vm.type = BARCODE_TYPE_BARCODE;
        vm.format.setValue(DlgBarcodeFormatVM());
        vm.counterViewModel.cnt1Settings = m_printSettingModel.cnt1Settings;
        vm.counterViewModel.cnt2Settings = m_printSettingModel.cnt2Settings;
        showBarcodeEditor(vm);
    });

    // X,Y label connection
    connect(pPicScene, &PicScene::focusedItemPosChanged, this, &TestPrintWidget::onSceneFocusedItemPosChanged);

    // 勾选按钮
    connect(ui.m_btnCheck, &QPushButton::clicked, [this]() {
        QMessageBox::StandardButton ret = QMessageBox::Ok;
        ret = QMessageBox::warning(this, tr("提示"),
                                   tr("是否保存文件?"),
                                   QMessageBox::Ok | QMessageBox::Cancel);

        if (ret == QMessageBox::Ok){
            if(xmlfileName.isEmpty()) {
                on_saveButton_pressed();
            } else {
                saveFile();
            }
            
            emit sig_switchWorkFileRequested(xmlfileName);
        }

        emit sendButtonClickedSignal(20);
    });


    imageLoader = new ImageLoader();
    connect(imageLoader, &ImageLoader::accepted, this, &TestPrintWidget::onImageLoaderAccepted);

    itemEditor = new ItemEditor();
    connect(itemEditor, &ItemEditor::accepted, this, &TestPrintWidget::onItemEditorAccepted);

    connect(&m_barcodeEditor, &BarcodeEditor::accepted, this, &TestPrintWidget::slt_BarCodeItemDone);

    m_LineEdit->setProperty("Enter replace enter", true);

    m_LineEdit->installEventFilter(this);
    
    // 网络通信，暂时屏蔽
    // ui.btnList->hide();
}

void TestPrintWidget::bindSysPara(SysPara *sysPara)
{
    this->sysPara = sysPara;
}

TestPrintWidget::~TestPrintWidget()
{
    m_LineEdit->removeEventFilter(this);

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

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

}

void TestPrintWidget::addDateItem()
{
    pPicScene->clearSelection();
    emit sig_showEditDateTime(DateItemModel::createDefaultReplaceModel(), TextItemModel{});
}

QTextEdit* TestPrintWidget::getQTextEdit(){
    return m_TextEdit;
}

PicScene* TestPrintWidget::getPicScene(){
    return pPicScene;
}

void TestPrintWidget::on_enlargeButton_pressed()
{
//    qreal sceneHeight = pPicScene->sceneRect().height();
//    qreal viewHeight = 172.0;
//    qreal scaleFactor = viewHeight / sceneHeight;
//    qDebug() << pViewer->devicePixelRatioFScale();
//    qDebug() << pViewer->devicePixelRatioF();
//    pViewer->scale(scaleFactor, scaleFactor);

    // TODO:: 保留，以后真的要用到放大缩小
//    ((MyView*)pViewer)->ZoomOut();
    auto myView = dynamic_cast<MyView*>(pViewer);
    if (myView) myView->ZoomOut();
}

void TestPrintWidget::on_addButton_pressed(const SourceType type)
{
    m_LineEdit->setEnabled(true);
    m_LineEdit->setText("");
    pPicScene->clearSelection();
    textItem = new PicTextItem(0, 0, type);
    pPicScene->addItem(textItem);
    textItem->setSource(QString(""));

    QList<QGraphicsItem *> items = pPicScene->items();
    if(pPicScene->items().count()>1){
        QRectF itemRect= items.at(1)->boundingRect();
        textItem->setPos( items.at(1)->scenePos().x()+itemRect.width()+20, items.at(1)->scenePos().y());
    }
    else textItem->setPos(this->pViewer->mapToScene(0,0));//edit@12-07

//    textItem->setPlainText("Vernon Bach Printer");
//    ui->saveButton->setEnabled(true);
    textItem->setPlainText("");
    textItem->setSelected(true);
}

void TestPrintWidget::onEditItemDone()
{
    const QString content = m_LineEdit->text();
    auto selectedItems = pPicScene->selectedItems();
    foreach (QGraphicsItem *item, selectedItems)
    {
        PicTextItem* pTextItem = dynamic_cast<PicTextItem*>(item);
        if (pTextItem == nullptr) continue;

        if(pTextItem->sourceType() == SourceType::TEXT) {
            if(content.isEmpty()) {
                pPicScene->removeItem(pTextItem);
                delete pTextItem;
                continue;
            }

            pTextItem->setSource(content);

            if(pPicScene->items().count() == 1) {
                pTextItem->setPos(pTextItem->clampItemPos(pTextItem->scenePos()));
                qDebug() << "Text item pos: " << pTextItem->pos();
            }
        }
    }
}

void TestPrintWidget::getShowSelectItemText()
{
    ui.m_LineEdit->setEnabled(false);
    ui.m_LineEdit->setText("");

    // 选择最后一个被选中的 item，防一手而已，事实上不应允许多选
    // 直接选第一个被选中的 item，也是可以的
    auto selectedItems = pPicScene->selectedItems();

    PicTextItem* lastSelectedTxtItem = nullptr;
    for(auto item : selectedItems) {
        PicTextItem* txtItem = dynamic_cast<PicTextItem*>(item);
        if (txtItem == nullptr) continue;

        if(txtItem->sourceType() != SourceType::IMAGE && txtItem->sourceType() != SourceType::CODE && txtItem->sourceType() != SourceType::UNKNOWN) {
            lastSelectedTxtItem = txtItem;
        }
    }

    if(!lastSelectedTxtItem) {
        return;
    }

        // 对于文本item，将它的文本显示到编辑框
    if(lastSelectedTxtItem->sourceType() == SourceType::TEXT) {
        ui.m_LineEdit->setEnabled(true);
        m_LineEdit->setText(lastSelectedTxtItem->source().toString());
    }

    // pViewer->centerOn(lastSelectedTxtItem);

    QString currItemFontFamily = lastSelectedTxtItem->font().family();

    QHash<QString, int> fontNameToIndex;
    fontNameToIndex["WenQuanYi5"] = 0;
    fontNameToIndex["WenQuanYi7"] = 1;
    fontNameToIndex["Dinkie9"]    = 2;
    fontNameToIndex["WenQuanYi12"] = 3;
    fontNameToIndex["WenQuanYi16"] = 4;
    fontNameToIndex["WenQuanYi24"] = 5;
    fontNameToIndex["WenQuanYi32"] = 6;

    if(fontNameToIndex.count(currItemFontFamily) == 0) {
        return;
    }

    // 锁住信号再设置，避免设置后触发 cbResolution 的信号
    auto b = ui.cbResolution->blockSignals(true);
    ui.cbResolution->setCurrentIndex(fontNameToIndex[currItemFontFamily]);
    ui.cbResolution->blockSignals(b);

    return;
}

void TestPrintWidget::on_saveButton_pressed()
{
    pPicScene->clearSelection();
    if(xmlfileName.isEmpty())
    {
        qDebug()<<"xml file null";
#ifdef MYSAVEFILEDLG
        dialogSaveFile->refreshListView(SCENE);
        dialogSaveFile->setEnterFileName("");
        auto ret = dialogSaveFile->exec();
        
        if(ret == QDialog::Accepted) {
            auto filename = dialogSaveFile->filename();
            if(!filename.endsWith(".xml",Qt::CaseInsensitive))
                filename += ".xml";

            saveFile(filename);
            xmlfileName = filename;
        }
#endif
    }
    else
    {
        pPicScene->update();
        saveFile();
    }
}

void TestPrintWidget::saveFile(const QString& filename)
{
    auto fn = filename.isEmpty() ? xmlfileName : filename;
    PicSceneLoader::saveSceneToXmlFile(fn, pPicScene, &m_printSettingModel);
}

void TestPrintWidget::onSaveASFile(QString filename,bool Flag)
{// use for dialogSaveFile class
    qDebug()<<filename;
    xmlfileName = filename;
    if(!filename.endsWith(".xml",Qt::CaseInsensitive))
        xmlfileName += ".xml";

    saveFile();
}

void TestPrintWidget::openWorkFile(QString filePath){

    if(editMode != SCENE || !filePath.endsWith(".xml")) {
        return;
    }

    pViewer->viewport()->update();
    unsigned char SpecialVarEnable = 0;
    if (sysPara) {
        sysPara->devOp->fpgaWr(0xa4b0,(unsigned char *)&SpecialVarEnable,1);
    }

    bool ok = PicSceneLoader::loadSceneFromFile(filePath, pPicScene, &m_printSettingModel);
    if(!ok) {
        qWarning() << "Failed to load file:" << filePath;
        return;
    }

    xmlfileName = filePath;

    // 将场景中所有项移动，使 pPicScene->itemsBoundingRect() 的左上角对齐到 scene 的 (0,0)
    // 计算当前边界并做平移（仅在有偏移时执行）
    QRectF bounds = pPicScene->itemsBoundingRect();
    if (!bounds.isNull()) {
        qreal dx = -bounds.x();
        qreal dy = -bounds.y();
        if (!qFuzzyIsNull(dx) || !qFuzzyIsNull(dy)) {
            const auto items = pPicScene->items();
            for (QGraphicsItem* it : items) {
                // 仅移动属于场景根的项，避免重复移动子项
                if (!it) continue;
                QPointF oldPos = it->pos();
                it->setPos(oldPos + QPointF(dx, dy));
            }
        }
    }    

    pViewer->centerOn(0, 0);

    if(m_printSetting) {
        m_printSetting->setModel(m_printSettingModel);
    }
    
    qDebug() << "xmlfileName:" << xmlfileName;
}

int TestPrintWidget::checkSelectScene()
{
    QList<QGraphicsItem *> items=pPicScene->items();
    int index=-1;
    //寻找当前选中的图层，没有选中的就不继续处理
    for(int i=0;i<items.size();i++){
        if(items.at(i)->isSelected()){
            index=i;
            break;
        }
    }
    return index;
}

PicTextItem *TestPrintWidget::checkSelectItem(PicTextItem* srcItem)
{
    PicTextItem* newItem = nullptr;
    switch (srcItem->sourceType()) {
    case IMAGE:
        newItem = new PicImageItem(0, 0, SourceType::IMAGE);
        break;
    case DATETIME:
        newItem = new PicDateItem();
        break;
    case SCHEDULE_SHIFT:
        newItem = new PicScheduleShiftItem();
        break;
    case CODE:
        newItem = new PicCodeItem(0, 0, SourceType::CODE);
        break;
    case COUNTER:
        newItem = new PicCounterItem();
        break;
    case TEXT:
    case UNKNOWN:
    default:
        newItem = new PicTextItem(0, 0, srcItem->sourceType());
        break;
    }

    return newItem;
}

bool TestPrintWidget::cacheSelectedLayerForPaste(PicTextItem *srcItem)
{
    if (!srcItem) return false;

    m_copiedSourceType = srcItem->sourceType();
    m_copiedSourceValue = srcItem->source();
    m_copiedHtml = srcItem->toHtml();
    m_copiedSpecialConditions = srcItem->SpecialConditions;
    m_copiedCatchCnt1StartValue = srcItem->CatchCnt1StartValue;
    m_copiedCatchCnt1CurrValue = srcItem->CatchCnt1CurrValue;    
    m_copiedPos = srcItem->pos();

    m_copiedAttrs.clear();
    m_copiedAttrs.append("sourceType", QString::number(srcItem->sourceType()));
    if (srcItem->sourceType() != SourceType::UNKNOWN) {
        srcItem->saveAttrs(m_copiedAttrs);
    }

    if (srcItem->sourceType() == SourceType::COUNTER) {
        auto srcCounter = dynamic_cast<PicCounterItem*>(srcItem);
        if (srcCounter) {
            m_copiedCounterType = int(srcCounter->counterType());
            m_copiedCounterDigitalNum = srcCounter->digitalNum();
            m_copiedCounterLetterSpace = srcCounter->letterSpace();
            m_copiedCounterFontFamily = srcCounter->font().family();
        }
    }

    pasteTime = 1;

    return true;
}

void TestPrintWidget::pasteCopiedLayer()
{
    PicTextItem tempSrc(nullptr, nullptr, m_copiedSourceType);
    PicTextItem* newItem = checkSelectItem(&tempSrc);
    if (!newItem) return;

    pPicScene->clearSelection();
    pPicScene->addItem(newItem);

    if (m_copiedSourceType != SourceType::UNKNOWN) {
        newItem->setAttrs(m_copiedAttrs);
    }
    newItem->setHtml(m_copiedHtml);

    // 某些类型需要显式恢复 source 才会正确重绘（如条码/二维码、图片、文本）
    if (m_copiedSourceType == SourceType::TEXT ||
        m_copiedSourceType == SourceType::IMAGE ||
        m_copiedSourceType == SourceType::CODE) {
        newItem->setSource(m_copiedSourceValue);
    }

    // 计数器单独恢复类型和位数，避免仅靠 attrs 导致内容不完整
    if (m_copiedSourceType == SourceType::COUNTER) {
        auto dstCounter = dynamic_cast<PicCounterItem*>(newItem);
        if (dstCounter) {
            dstCounter->setCustomFont(m_copiedCounterFontFamily);
            dstCounter->setLetterSpace(m_copiedCounterLetterSpace);
            dstCounter->setCounter(static_cast<COUNTER_TYPE>(m_copiedCounterType), m_copiedCounterDigitalNum);
        }
    }

    newItem->SpecialConditions = m_copiedSpecialConditions;
    newItem->CatchCnt1StartValue = m_copiedCatchCnt1StartValue;
    newItem->CatchCnt1CurrValue = m_copiedCatchCnt1CurrValue;

    auto rect = newItem->boundingRect();
    // 每次粘贴会往右偏移一次
    newItem->setPos(m_copiedPos.x() + rect.width()*pasteTime + 2.0, m_copiedPos.y());
    newItem->setSelected(true);
    pasteTime++;
}

void TestPrintWidget::on_KeyUp_clicked()
{
    moveSelectedItem(Qt::Key_Up);
}

void TestPrintWidget::on_KeyLeft_clicked()
{
    moveSelectedItem(Qt::Key_Left);
}

void TestPrintWidget::on_KeyRight_clicked()
{
    moveSelectedItem(Qt::Key_Right);
}

void TestPrintWidget::on_KeyDown_clicked()
{
    moveSelectedItem(Qt::Key_Down);
}

void TestPrintWidget::moveSelectedItem(Qt::Key key)
{
    pViewer->setFocus();
    auto selectedItems = pPicScene->selectedItems();
    QGraphicsItem* lastItem = nullptr;
    if(selectedItems.size() >= 1) {
        lastItem = selectedItems.last();
    }

    if(lastItem) {
        lastItem->setFocus();
    }

#ifndef Q_OS_WIN32
    //QWSServer::sendKeyEvent(0,Qt::Key_Up,Qt::NoModifier,true,false);		//向系统发送键盘事件
    MyInputMethod::sendEvent(key, Qt::NoModifier);
#endif
}

void TestPrintWidget::on_delButton_pressed()
{
    //Scene Test
    int index = checkSelectScene();
    if (index < 0) return;

    auto selectedItems = pPicScene->selectedItems();
    foreach (QGraphicsItem *item, selectedItems) {
        pPicScene->removeItem(item);
        delete item;
        break;
    }
}

void TestPrintWidget::setPrintSettingWidget(PrintSetting *wid)
{
    if(!wid) {
        qWarning() << "Empty PrintSetting object pointer";
        return;
    }
    
    if(m_printSetting) {
        m_printSetting->disconnect(this);
        m_printSetting = nullptr;
    }

    m_printSetting = wid;
    connect(m_printSetting, &PrintSetting::sendButtonClickedSignal, this, [this](int i) {
        if(i == 2 && !m_printSetting->isDefaultSettingMode()) {
            m_printSettingModel = m_printSetting->model();
        }
    });
}

bool TestPrintWidget::eventFilter(QObject *watched, QEvent *event) 
{
    if(watched == m_LineEdit) {
        if(event->type() == QEvent::FocusOut) {
            onEditItemDone();
        }
    }

    // 其他事件交给父类处理
    return QWidget::eventFilter(watched, event);
}

void TestPrintWidget::showEvent(QShowEvent *event)
{
    QWidget::showEvent(event);
    
    pPicScene->update();
    auto sceneRect = pPicScene->sceneRect();
    // qreal sceneHeight = boundingRect.height() > (qreal)(sysPara->para.canvasHeight) ? SCENE_MAX_HEIGHT : (qreal)(sysPara->para.canvasHeight);
    int sceneHeight = qMin(int(SCENE_MAX_HEIGHT), (int)(sysPara->para.canvasHeight));
    sceneRect.setHeight((qreal)(sceneHeight));
    pPicScene->setSceneRect(sceneRect);

    // TODO:: 添加代码，只在sceneHeight高度为32时，才显示 字体大小选择框中的 32 dot选项

    // 以高度为基准 最大化显示场景到 视口
    auto viewportHeight = pViewer->viewport()->height();
    QTransform transform = pViewer->transform();
    auto targetScale = viewportHeight / sceneRect.height();
    double currentScale = transform.m11(); 
    double relativeScale = targetScale / currentScale;
    pViewer->scale(relativeScale, relativeScale);
}

void TestPrintWidget::onBtn3DClicked()
{
#if defined(ARCH_AARCH64)
    imageLoader->initAndShow(true);
#else 
    imageLoader->initAndShow();
#endif
}

void TestPrintWidget::onImageLoaderAccepted()
{   
    QString imgPath = imageLoader->imgPath();
    QString htmlImg = QString("<img src=\"%1\" />").arg(imgPath);

    pPicScene->clearSelection();
    PicTextItem* item = new PicImageItem(0, 0, SourceType::IMAGE);
    item->setHtml(htmlImg);
    pPicScene->addItem(item);
    auto boundingRect = pPicScene->itemsBoundingRect();
    item->setPos(boundingRect.right(), 0.0);
    item->setSelected(true);
    item->setSource(imgPath);
}

void TestPrintWidget::onBtnItemConfigClicked()
{
    auto selectedItems = pPicScene->selectedItems();
    if(selectedItems.size() != 1) {
        // TODO:: 事实上不应允许多选
        return;
    }

    PicTextItem* item = dynamic_cast<PicTextItem*>(selectedItems[0]);
    if (item == nullptr) return;

    if(item->sourceType() == SourceType::COUNTER) {
        auto counterItem = dynamic_cast<PicCounterItem*>(item);
        if (counterItem) {
        CounterViewModel vm;
        vm.counterType = counterItem->counterType();
        vm.digitalNum = counterItem->digitalNum();
        vm.letterSpace = counterItem->letterSpace();
        vm.enbCustomCharWidth = false;
        vm.charWidth = counterItem->charWidth();
        vm.cnt1Settings = m_printSettingModel.cnt1Settings;
        vm.cnt2Settings = m_printSettingModel.cnt2Settings;
        emit sig_showEditCounter(vm);
        }
        return;
    }

    // 如果是日期类型，则唤醒DateVarSet
    if(item->data(0).toString() == "datetime") {
        // @see TestPrintWidget::addDateItem 
        emit sendButtonClickedSignal(16);
        return;
    }

    // TODO:: 先给文字提供配置功能
    if(item->sourceType() == SourceType::UNKNOWN)
        return;

    if(item->sourceType() == SourceType::DATETIME) {
        // @see TestPrintWidget::addDateTimeItem
        auto dateTimeItem = dynamic_cast<PicDateItem*>(item);
        if (dateTimeItem)
        emit sig_showEditDateTime(dateTimeItem->model(), dateTimeItem->textItemModel());
        return;
    }

    if(item->sourceType() == SourceType::SCHEDULE_SHIFT) {
        auto scheduleItem = dynamic_cast<PicScheduleShiftItem*>(item);
        if (scheduleItem)
        emit sig_showScheduleShiftsEditor(scheduleItem->schedules(), scheduleItem->textItemModel());
        return;
    }

    if (item->sourceType() == SourceType::CODE) {
        auto codeItem = dynamic_cast<PicCodeItem*>(item);
        if(!codeItem)
            return;

        auto vm = codeItem->barcodeViewModel();
        vm.counterViewModel.cnt1Settings = m_printSettingModel.cnt1Settings;
        vm.counterViewModel.cnt2Settings = m_printSettingModel.cnt2Settings;
        showBarcodeEditor(vm);
        return;
    }

    itemEditor->edit(item);
#if defined(ARCH_AARCH64)
    itemEditor->showFullScreen();
#else
    itemEditor->setWindowModality(Qt::WindowModal);
    itemEditor->show();
#endif;
}

void TestPrintWidget::onItemEditorAccepted()
{
    if(!itemEditor || !itemEditor->currentItem()) return;

    if(itemEditor->currentItem()->source() == SourceType::UNKNOWN) {
        // Nothing....
    }
    else {
        PicTextItem* textItem = itemEditor->currentItem();
        textItem->applyModify();
    }
}

void TestPrintWidget::onSceneFocusedItemPosChanged(QPoint p)
{
    ui.m_lblX->setText(QString::asprintf("X:%d", p.x()));
    ui.m_lblY->setText(QString::asprintf("Y:%d", p.y()));
}

void TestPrintWidget::on_newfileButton_pressed()
{
//    if (maybeSave()) {
    pPicScene->clear();
    pViewer->viewport()->update();
    xmlfileName = "";

    if (sysPara) {
        m_printSettingModel = PrintSettingModel::defPrintSettingModel();
        if(m_printSetting)
            m_printSetting->setModel(m_printSettingModel);
    }

    emit sig_currentFileChanged();
}

void TestPrintWidget::slt_BarCodeItemDone()
{
    auto vm = m_barcodeEditor.viewModel();

    if(vm.contentPattern.isEmpty()) {
        qInfo() << "Empty content pattern, the barcode will not be generated.";
        return;
    }

    PicCodeItem* codeItem = nullptr;

    // 如果当前选中了一个条形码或二维码，则更新其内容，然后直接返回
    bool flag = false;
    auto selectedItem = pPicScene->selectedItems();
    for(auto item : selectedItem) {
        codeItem = dynamic_cast<PicCodeItem*>(item);
        if(codeItem) 
            break;
    }

    if(!codeItem) {
        // 添加条形码或二维码
        pPicScene->clearSelection();
        codeItem = new PicCodeItem(0, 0, SourceType::CODE);
        auto boundingRect = pPicScene->itemsBoundingRect();
        pPicScene->addItem(codeItem);
        codeItem->setPos(boundingRect.right(), 0.0);
    }

    codeItem->setBarcodeViewModel(vm);
    codeItem->setSelected(true);

    m_printSettingModel.cnt1Settings = vm.counterViewModel.cnt1Settings;
    m_printSettingModel.cnt2Settings = vm.counterViewModel.cnt2Settings;

    if(m_printSetting) 
        m_printSetting->setModel(m_printSettingModel);
}

QGraphicsItem* findClosestItemToViewCenter(QGraphicsView* view) 
{
    if (!view || !view->scene()) 
        return nullptr;

    // 1. 获取视口中心点（视口坐标）并映射到场景坐标
    QPoint viewCenter = view->viewport()->rect().center();
    QPointF sceneCenter = view->mapToScene(viewCenter);

    // 2. 获取场景中所有项
    QList<QGraphicsItem*> items = view->scene()->items();

    // 3. 寻找最近项
    QGraphicsItem* closestItem = nullptr;
    qreal minDistSq = std::numeric_limits<qreal>::max();

    for (QGraphicsItem* item : items) {
        // 可选项：跳过不可见项（根据需求决定）
        if (!item->isVisible()) continue;

        // 计算项的场景位置到中心点的平方距离（避免开方，性能更好）
        QPointF itemPos = item->scenePos();
        qreal dx = itemPos.x() - sceneCenter.x();
        qreal dy = itemPos.y() - sceneCenter.y();
        qreal distSq = dx * dx + dy * dy;

        if (distSq < minDistSq) {
            minDistSq = distSq;
            closestItem = item;
        }
    }

    return closestItem;
}

void TestPrintWidget::selectItemByDirection(bool forward)
{
    auto selectedItems = pPicScene->selectedItems();

    // 如果当前没有选中项，且场景中存在项，则选择距离当前视图中心的项
    if(selectedItems.isEmpty() && !pPicScene->items().isEmpty()) {
        auto closestItem = findClosestItemToViewCenter(pViewer);
        if(closestItem) {
            closestItem->setSelected(true);
            return;
        }
    }

    if(selectedItems.isEmpty())
        return;

    auto currItem = selectedItems.last();
    if(!currItem)
        return;

    auto items = pPicScene->items();
    if(items.size() <= 1)
        return;

    std::sort(items.begin(), items.end(), [](QGraphicsItem* a, QGraphicsItem* b) {  
        return a->pos().x() < b->pos().x();
    });

    auto it = std::find(items.begin(), items.end(), currItem);
    if(it == items.end())
        it = items.begin();

    QGraphicsItem* nextItem = nullptr;
    if(forward) {
        nextItem = (it + 1 == items.end()) ? items.first() : *(it + 1);
    } else {
        nextItem = (it == items.begin()) ? items.last() : *(it - 1);
    }

    if(nextItem) {
        pPicScene->clearSelection();
        nextItem->setSelected(true);
        pViewer->centerOn(nextItem);
    }
}

void TestPrintWidget::selectNextItem()
{
    selectItemByDirection(true);
}

void TestPrintWidget::selectPreviousItem()
{
    selectItemByDirection(false);
}

void TestPrintWidget::on_cbResolution_currentIndexChanged(int index)
{
    constexpr char* IdxToFontFamily[] = {"WenQuanYi5",
                                      "WenQuanYi7",
                                      "Dinkie9",
                                      "WenQuanYi12",
                                      "WenQuanYi16",
                                      "WenQuanYi24",
                                      "WenQuanYi32"};
    if(index < 0 || int(ARRAY_SIZE(IdxToFontFamily)) <= index) {

        qWarning() << "Invalied cbResolution index: " << index;

        index = std::max(std::min(int(ARRAY_SIZE(IdxToFontFamily) - 1), index), 0);
        auto b = ui.cbResolution->blockSignals(true);
        ui.cbResolution->setCurrentIndex(index);
        ui.cbResolution->blockSignals(b);
    }

    auto selectedItems = pPicScene->selectedItems();
    qInfo() << "Selected font family: " << IdxToFontFamily[index];
    qInfo() << "Selected items count: " << selectedItems.size();

    for(auto i : selectedItems) {
        PicTextItem* item = dynamic_cast<PicTextItem*>(i);
//        if(item->sourceType() == SourceType::COUNTER && IdxToFontFamily[index] == QString("Dinkie9")) {
//            item->setCustomFont("WenQuanYi12");
//            continue;
//        }

        if(item) {
            item->setCustomFont(IdxToFontFamily[index]);
            qInfo() << "Item " << item->sourceType() << " set font to " << IdxToFontFamily[index];
        }
    }
}

void TestPrintWidget::addDateTimeItem(const DateItemModel &model, const TextItemModel& textModel)
{
    // 如果当前选中了一个日期时间item，则直接设置模型
    auto selectItems = pPicScene->selectedItems();
    if(selectItems.size() == 1) {
        auto item = dynamic_cast<PicTextItem*>(selectItems[0]);
        if(item->sourceType() == SourceType::DATETIME) {
            auto dateTimeItem = dynamic_cast<PicDateItem*>(item);
            dateTimeItem->setTextItemModel(textModel);
            dateTimeItem->setModel(model);
            return;
        }
    }

    QString htmlStr = QString("<p></p>");
    pPicScene->clearSelection();
    PicDateItem* item = new PicDateItem();
    item->setHtml(htmlStr);
    pPicScene->addItem(item);
    auto boundingRect = pPicScene->itemsBoundingRect();
    item->setPos(boundingRect.right(), 0.0);
    item->setSelected(true);
    item->setModel(model);
}

void TestPrintWidget::addScheduleShiftsItem(QVector<ScheduleModel> schedules, TextItemModel txtModel)
{
    // 如果当前选中了一个日期时间item，则直接设置模型
    auto selectItems = pPicScene->selectedItems();
    if(selectItems.size() == 1) {
        auto item = dynamic_cast<PicTextItem*>(selectItems[0]);
        if(item->sourceType() == SourceType::SCHEDULE_SHIFT) {
            auto scheduleItem = dynamic_cast<PicScheduleShiftItem*>(item);
            scheduleItem->setSchedules(schedules);
            scheduleItem->setTextItemModel(txtModel);
            return;
        }
    }

    QString htmlStr = QString("<p></p>");

    pPicScene->clearSelection();
    PicScheduleShiftItem* item = new PicScheduleShiftItem();
    item->setHtml(htmlStr);
    pPicScene->addItem(item);
    auto boundingRect = pPicScene->itemsBoundingRect();
    item->setPos(boundingRect.right(), 0.0);
    item->setSelected(true);
    item->setSchedules(std::move(schedules));
    item->setTextItemModel(txtModel);
}

void TestPrintWidget::addCounterItem(CounterViewModel vm, QSharedPointer<QFont> f)
{
    int letterSpace = vm.letterSpace;

    // 查找当前被选中的 item， 如果存在且类型为计数器，则修改这个计数器而不是新建
    QList<QGraphicsItem *> items=pPicScene->items();
    int index=0;
    bool flag = false;
    for(int i=0;i<items.size();i++){
        index=i;
        if(items.at(i)->isSelected()){
            flag = true;
            break;
        }
    }

    QFont font;

    if(flag) {
        auto item = dynamic_cast<PicTextItem*>(items[index]);

        font = f ? *f : item->font();
        font.setLetterSpacing(QFont::AbsoluteSpacing, letterSpace);

        if(item->sourceType() == SourceType::COUNTER) {
            auto counterItem = dynamic_cast<PicCounterItem*>(item);
            counterItem->setCounter(static_cast<COUNTER_TYPE>(vm.counterType), vm.digitalNum);
            counterItem->setLetterSpace(int(font.letterSpacing()));
            if(vm.enbCustomCharWidth) {
                counterItem->setCharWidth(vm.charWidth);
            }

            m_printSettingModel.cnt1Settings = vm.cnt1Settings;
            m_printSettingModel.cnt2Settings = vm.cnt2Settings;
        }
        return;
    }

    font = f ? *f : QFont("WenQuanYi12");
    font.setLetterSpacing(QFont::AbsoluteSpacing, letterSpace);

    // 创建新的计数器item
    pPicScene->clearSelection();
    PicCounterItem* item = new PicCounterItem();
    pPicScene->addItem(item);
    auto boundingRect = pPicScene->itemsBoundingRect();
    item->setPos(boundingRect.right(), 0.0);
    item->setSelected(true);
    item->setLetterSpace(static_cast<int>(font.letterSpacing()));
    // item->setCustomFont(font.family());
    item->setCounter(static_cast<COUNTER_TYPE>(vm.counterType), vm.digitalNum);
    if(vm.enbCustomCharWidth) {
        item->setCharWidth(vm.charWidth);
    }

    m_printSettingModel.cnt1Settings = vm.cnt1Settings;
    m_printSettingModel.cnt2Settings = vm.cnt2Settings;
}

QString TestPrintWidget::currentFile()
{
    return xmlfileName;
}

void TestPrintWidget::showBarcodeEditor(const BarcodeViewModel& vm)
{
#if defined(ARCH_AARCH64)
    m_barcodeEditor.setWindowState(Qt::WindowFullScreen);
#endif

    m_barcodeEditor.bindViewModel(vm);
    m_barcodeEditor.setWindowModality(Qt::WindowModal);
    m_barcodeEditor.show();
}

void TestPrintWidget::onBtnArrowClicked()
{
    pPicScene->clearSelection();
    emit sig_showScheduleShiftsEditor(QVector<ScheduleModel>(), TextItemModel());
}

void TestPrintWidget::on_btn_copy_clicked()
{
    int index = checkSelectScene();
    if (index < 0) {
        qInfo() << "Not selected any item.";
        return;
    }

    PicTextItem* srcItem = dynamic_cast<PicTextItem*>(pPicScene->items().at(index));
    if (!srcItem) {
        qWarning() << "Cannot cast item type to correct type";
        return;
    }

    cacheSelectedLayerForPaste(srcItem);
}

void TestPrintWidget::on_btn_paste_clicked()
{
    pasteCopiedLayer();
}