#include "projectIconSetting.h"
#include "ui_projectIconSetting.h"
#include "graphicsDataModel/fixedPortsModel.h"
#include "projectIconSelectionDlg.h"
#include "graphicsItem/graphicsBaseItem.h"
#include "baseProperty.h"
#include "projectModelManager.h"
#include <QSvgRenderer>
#include <QPainter>
#include "global.h"

ProjectIconSetting::ProjectIconSetting(QWidget *parent)
    : QDialog(parent)
    , ui(new Ui::projectIconSetting)
    ,_controller(nullptr)
{
    ui->setupUi(this);
    this->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint | windowFlags());
    initial();
}

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

void ProjectIconSetting::showDlg(GraphicsProjectModelItem*  pItem)
{
    ui->tableWidget->clear();
    ui->tableWidget->setRowCount(0);
    show();
    ModelProperty* p = pItem->getProperty();
    BaseProperty* pro = dynamic_cast<BaseProperty*>(p);
    if(pro)
    {
        QString sName = pro->name();
        QString sMetaModel = pro->metaModelName();
        QString sModel = pro->modelName();
        _sMetaModel = sMetaModel;
        _sModel = sModel;

        bool bExist = ProjectModelManager::instance().ifProjectExsit(sModel);
        if(bExist){
            auto mapUsed = ProjectModelManager::instance().getData()[sMetaModel][sModel].modelSetting.mapUsedSvg;
            addItems(mapUsed);
        }
    }
}

void ProjectIconSetting::initial()
{
    QStringList headerText;
    headerText<<"类别"<<"图标";
    ui->tableWidget->setContextMenuPolicy(Qt::CustomContextMenu);
    ui->tableWidget->setSelectionMode(QAbstractItemView::SingleSelection);
    ui->tableWidget->setSelectionBehavior(QAbstractItemView::SelectItems);
    ui->tableWidget->setColumnCount(headerText.count());
    ui->tableWidget->setHorizontalHeaderLabels(headerText);
    ui->tableWidget->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);

    connect(ui->tableWidget, &QTableWidget::cellClicked, this, &ProjectIconSetting::onCellClicked);
    connect(ui->btn_ok,&QPushButton::clicked,this,&ProjectIconSetting::onOkClicked);
    _iconSize = QSize(32,32);
}

void ProjectIconSetting::addItems(QMap<QString,QByteArray>  mapSvg)
{
    for(auto iter = mapSvg.begin();iter != mapSvg.end();++iter){
        int row = ui->tableWidget->rowCount();
        ui->tableWidget->insertRow(row);

        QTableWidgetItem* tagItem = new QTableWidgetItem(iter.key());
        ui->tableWidget->setItem(row, 0, tagItem);

        QTableWidgetItem* iconItem = new QTableWidgetItem();
        ui->tableWidget->setItem(row, 1, iconItem);
        QByteArray arr = iter.value();
        iconItem->setData(Qt::UserRole, arr);
        if(!arr.isEmpty()){
            QSvgRenderer renderer(arr);

            // 创建目标大小的pixmap
            QPixmap pixmap(_iconSize);
            pixmap.fill(Qt::transparent); // 透明背景

            // 创建画家并在pixmap上绘制SVG
            QPainter painter(&pixmap);
            renderer.render(&painter, pixmap.rect());

            iconItem->setIcon(pixmap);
        }
    }
}

void ProjectIconSetting::selectImage(int row)
{
    if(!_sMetaModel.isEmpty() && !_sModel.isEmpty()){
        auto mapAllSvg = ProjectModelManager::instance().getData()[_sMetaModel][_sModel].modelSetting.mapSvg;
        ProjectIconSelectionDlg dialog(mapAllSvg, this);
        if (dialog.exec() == QDialog::Accepted) {
            QByteArray selectedSVG = dialog.selectedSVG();
            if (!selectedSVG.isEmpty()) {
                QSvgRenderer renderer(selectedSVG);
                QPixmap pixmap(32, 32);
                //pixmap.fill(Qt::transparent);
                QPainter painter(&pixmap);
                renderer.render(&painter);

                ui->tableWidget->item(row, 1)->setIcon(QIcon(pixmap));
                // 如果需要保存原始SVG数据，可以这样：
                ui->tableWidget->item(row, 1)->setData(Qt::UserRole, selectedSVG);
            }
        }
    }
}

void ProjectIconSetting::onOkClicked()
{
    QMap<QString,QByteArray>    mapUsedSvg;
    for (int row = 0; row < ui->tableWidget->rowCount(); ++row) {
        QTableWidgetItem *itemTag = ui->tableWidget->item(row, 0);
        if (itemTag) {
            QTableWidgetItem *itemSvg = ui->tableWidget->item(row, 1);
            if(itemSvg){
                QByteArray svg = itemSvg->data(Qt::UserRole).toByteArray();
                mapUsedSvg.insert(itemTag->text(),svg);
            }
        }
    }
    ProjectModelManager::instance().getData()[_sMetaModel][_sModel].modelSetting.mapUsedSvg = mapUsedSvg;
    _controller->updateItemIcon(_sMetaModel,_sModel);
    hide();
}

void ProjectIconSetting::onCellClicked(int row,int col)
{
    if (col == 1) { // 如果是按钮列
        selectImage(row);
    }
}