#include "topologyView.h"
#include "ui_topologyView.h"
#include "tools.h"
#include "topologyTree.h"
#include <QStandardItemModel>
#include <QMenu>
#include <QUuid>

TopologyView::TopologyView(QWidget *parent)
    : QDialog(parent)
    , ui(new Ui::topologyView)
    ,_pModel(nullptr)
    ,_treeView(nullptr)
{
    ui->setupUi(this);
    //setWindowFlags(windowFlags() | Qt::WindowMinMaxButtonsHint&Qt::WindowCloseButtonHint);
    _pModel = new QStandardItemModel(this);
    _treeView = new TopologyTree(this);
    ui->verticalLayout->addWidget(_treeView);
    _treeView->setContextMenuPolicy(Qt::CustomContextMenu);

}

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

void TopologyView::initial()
{
    connect(_treeView, &QTreeView::customContextMenuRequested, this, &TopologyView::onIndexRbtnClicked);
    connect(_treeView, &QTreeView::clicked, this, &TopologyView::onItemClicked);
    connect(_pModel, &QStandardItemModel::itemChanged, this, &TopologyView::onItemChanged);
    _treeView->setHeaderHidden(true);
    // 设置模型的列数
    _pModel->setColumnCount(1);

    // 设置模型的标题
    //_pModel->setHeaderData(0, Qt::Horizontal, QObject::tr("层级"));

    // 创建根节点
    QStandardItem *rootItem = new QStandardItem("电网");
    rootItem->setFlags(rootItem->flags() & ~Qt::ItemIsEditable);
    _pModel->appendRow(rootItem);

    // 创建树视图
    _treeView->setModel(_pModel);

    // 展开所有节点
    _treeView->expandAll();
    // 显示树视图
    _treeView->setWindowTitle(QObject::tr("拓扑树"));
}

void TopologyView::loadTopologyFromDB()
{

}

void TopologyView::onIndexRbtnClicked(const QPoint &pos)
{
    // 获取当前点击的位置对应的索引
    QModelIndex index = _treeView->indexAt(pos);
    if (!index.isValid()) {
        return; // 如果点击的是空白区域，直接返回
    }

    QMenu menu;
    QStandardItem* item = _pModel->itemFromIndex(index);

    if(item)
    {
        int nCount = item->rowCount();
        int nLevel = getLevel(item);
        if(nLevel == -1)         //根节点
        {
            QAction *addAction = new QAction("添加电网", this);

            connect(addAction,&QAction::triggered,this,[&](){
                QString uuid = QUuid::createUuid().toString();
                QStandardItem *gridItem = new QStandardItem(QString("电网_")+QString::number(nCount));
                gridItem->setData(uuid,Qt::UserRole+1);
                gridItem->setData(int(EntityType::Grid),Qt::UserRole+2);
                item->appendRow(gridItem);

                EntityInfo info;
                info.eType = EntityType::Grid;
                info.sName = gridItem->text();
                info.sUuid = uuid;
                emit entityCreate(info);
            });

            menu.addAction(addAction);
        }
        else if(nLevel == 1)        //grid
        {
            QAction *addAction = new QAction("添加区域", this);
            QString sParentid = item->data(Qt::UserRole+1).toString();

            connect(addAction,&QAction::triggered,this,[&](){
                QString uuid = QUuid::createUuid().toString();
                QStandardItem *zoneItem = new QStandardItem(QString("区域_")+QString::number(nCount));
                zoneItem->setData(uuid,Qt::UserRole+1);
                zoneItem->setData(int(EntityType::Zone),Qt::UserRole+2);
                item->appendRow(zoneItem);

                EntityInfo info;
                info.eType = EntityType::Zone;
                info.sName = zoneItem->text();
                info.sParentId = sParentid;
                info.sUuid = uuid;
                emit entityCreate(info);

                _treeView->expandAll();
            });

            menu.addAction(addAction);
        }
        else if(nLevel == 2)        //zone
        {
            QAction *addAction = new QAction("添加场站", this);
            QString sParentid = item->data(Qt::UserRole+1).toString();

            connect(addAction,&QAction::triggered,this,[&](){
                QString uuid = QUuid::createUuid().toString();
                QStandardItem *stationItem = new QStandardItem(QString("场站_")+QString::number(nCount));
                stationItem->setData(uuid,Qt::UserRole+1);
                stationItem->setData(int(EntityType::Station),Qt::UserRole+2);
                item->appendRow(stationItem);

                EntityInfo info;
                info.eType = EntityType::Station;
                info.sName = stationItem->text();
                info.sUuid = uuid;
                info.sParentId = sParentid;
                emit entityCreate(info);

                _treeView->expandAll();
            });

            menu.addAction(addAction);
        }
        else if(nLevel == 3)        //station
        {
            /*QAction *addAction = new QAction("添加组态图", this);
            QString sParentid = item->data(Qt::UserRole+1).toString();

            connect(addAction,&QAction::triggered,this,[&](){
                QString uuid = QUuid::createUuid().toString();
                QStandardItem *diagramItem = new QStandardItem(QString("组态图_")+QString::number(nCount));
                diagramItem->setData(uuid,Qt::UserRole+1);
                diagramItem->setData(int(EntityType::ConfigurationDiagram),Qt::UserRole+2);
                item->appendRow(diagramItem);

                EntityInfo info;
                info.eType = EntityType::ConfigurationDiagram;
                info.sName = diagramItem->text();
                info.sUuid = uuid;
                info.sParentId = sParentid;
                emit entityCreate(info);

                _treeView->expandAll();
            });

            menu.addAction(addAction);*/
        }
        else if(nLevel == 4)        //组态图
        {
            /*QAction *addAction = new QAction("添加子组态图", this);
            QString sText = item->text();
            QString sParentid = item->data(Qt::UserRole+1).toString();
            connect(addAction,&QAction::triggered,this,[&](){
                QString uuid = QUuid::createUuid().toString();
                QStandardItem *diagramItem = new QStandardItem(sText+QString("_")+QString::number(nCount));
                diagramItem->setData(uuid,Qt::UserRole+1);
                diagramItem->setData(int(EntityType::ConfigurationDiagram),Qt::UserRole+2);
                item->appendRow(diagramItem);

                EntityInfo info;
                info.eType = EntityType::ConfigurationDiagram;
                info.sName = diagramItem->text();
                info.sUuid = uuid;
                info.sParentId = sParentid;
                emit entityCreate(info);

                _treeView->expandAll();
            });

            menu.addAction(addAction);*/
        }

        if(nLevel != -1)        //除了根节点其余都能删除
        {
            QAction *delAction = new QAction("删除", this);
            connect(delAction,&QAction::triggered,this,[&](){
                QModelIndex currentIndex = _treeView->currentIndex();
                if(currentIndex.isValid())
                {
                    QStandardItem* pItem = _pModel->itemFromIndex(currentIndex);
                    if(pItem)
                    {
                        QString str = item->text();
                        EntityInfo info;
                        info.sName = str;
                        info.sUuid = item->data(Qt::UserRole+1).toString();
                        info.eType = EntityType(item->data(Qt::UserRole+2).toInt());
                        emit entityDelete(info);

                        QStandardItem* pParent = item->parent();
                        if(pParent)
                        {
                            pParent->removeRow(currentIndex.row());
                        }
                    }
                }
            });
            menu.addAction(delAction);
        }
    }

    // 在点击位置显示菜单
    menu.exec(_treeView->mapToGlobal(pos));
}

void TopologyView::onItemChanged(QStandardItem *item)
{
    int nLevel = getLevel(item);
    QString str = item->text();
    EntityInfo info;
    info.sName = str;
    info.sUuid = item->data(Qt::UserRole+1).toString();
    info.eType = EntityType(item->data(Qt::UserRole+2).toInt());
    emit entityChange(info);
}

void TopologyView::onItemClicked(const QModelIndex &index)
{
    QStandardItem* item = _pModel->itemFromIndex(index);
    if(item)
    {
        EntityType type = EntityType(item->data(Qt::UserRole+2).toInt());
        if(type == EntityType::ConfigurationDiagram)
        {
            EntityInfo info;
            info.eType = EntityType::ConfigurationDiagram;
            info.sName = item->text();
            info.sUuid = item->data(Qt::UserRole+1).toString();
            info.sParentId = item->parent()->data(Qt::UserRole+1).toString();
            emit entitySelected(info);
        }
    }
}