#include <QMessageBox>
#include "diagramEditor/diagramEditorTransSettingDlg.h"
#include "diagramEditor/diagramEditorWizard.h"
#include "diagramEditor/diagramEditorBaseBlock.h"
#include "ui_diagramEditorTransSettingDlg.h"
#include "diagramEditor/diagramEditorStructContainer.h"
#include "diagramEditor/wizardBayContentDlg.h"
#include "common/core_model/constants.h"
#include <QTimer>
#include "titleBar.h"
#include <QSizeGrip>

DiagramEditorTransSettingDlg::DiagramEditorTransSettingDlg(QWidget *parent)
    : QDialog(parent)
    , ui(new Ui::diagramEditorTransSettingDlg)
    ,_curOperateBlock(nullptr)
    ,_pSizeGrip(nullptr)
{
    ui->setupUi(this);
    this->setWindowFlags(Qt::FramelessWindowHint | windowFlags());
    this->setWindowModality(Qt::WindowModal);
    initial();
}

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

void DiagramEditorTransSettingDlg::showDlg()
{
    _curModel = 0;
    show();
    addNewTrans();
    if(_pWizard){
        ui->le_name->setText("#主变");
    }
}

void DiagramEditorTransSettingDlg::showDlg(DiagramEditorTransformerBlock* p)
{
    _curModel = 1;
    if(_curOperateBlock == nullptr)
        _curOperateBlock = p;
    show();
    addNewTrans();
    if(_pWizard){
        ui->le_name->setText(p->getName());
        if(p){
            auto lstCon = p->getConnect();
            /*QStringList lst;
            for(auto& conId:lstCon){
                if(_pWizard->getConnection().contains(conId)){
                    auto con = _pWizard->getConnection().value(conId);
                    QString sOpposite = con.getOppositeName(p->getName());
                    lst.append(sOpposite);
                }
            }
            ui->listWidget->addItems(lst);*/

            for(auto& conId:lstCon){
                if(_pWizard->getConnection().contains(conId)){
                    auto con = _pWizard->getConnection().value(conId);
                    QString sOpposite = con.getOpposite(p->getName()).sName;

                    QString sPos;
                    if(con.nPara == 0){
                        sPos = "高压侧";
                    }
                    else if(con.nPara == 1){
                        sPos = "中压侧";
                    }
                    else if(con.nPara == 2){
                        sPos = "低压侧";
                    }

                    int row = ui->tableWidget->rowCount();
                    ui->tableWidget->insertRow(row);

                    //名称
                    int bayType = 0;
                    auto pBlock = _pWizard->getBlockByName_all(sOpposite);
                    if(pBlock){
                        auto pBay = dynamic_cast<DiagramEditorBayBlock*>(pBlock);
                        if(pBay){
                            bayType = int(pBay->getBayType());
                        }
                    }
                    QTableWidgetItem* nameItem = new QTableWidgetItem(sOpposite);
                    nameItem->setData(Qt::UserRole, bayType);
                    ui->tableWidget->setItem(row, 0, nameItem);

                    //位置
                    QTableWidgetItem* posItem = new QTableWidgetItem(sPos);
                    ui->tableWidget->setItem(row, 1, posItem);
                }
            }
        }
    }
}

void DiagramEditorTransSettingDlg::addNewTrans()
{
    ui->cb_type->setCurrentIndex(0);
    ui->cb_level->clear();
    ui->cb_target->clear();
    ui->tableWidget->clearContents();
    ui->tableWidget->setRowCount(0);
    if(_pWizard){
        auto mapAllCon = _pWizard->getContainerStruct();
        for(auto iter = mapAllCon.begin();iter != mapAllCon.end();++iter){
            if(iter.key() == Constants::TRANSFORMER_LEVEL)
                continue;
            ui->cb_level->addItem("第"+QString::number(iter.key()+1)+"层",iter.key());
        }
    }
}

void DiagramEditorTransSettingDlg::initial()
{
    m_titleBar = new TitleBar(this);
    m_titleBar->setTitle("变压器设置");
    ui->verticalLayout_3->insertWidget(0,m_titleBar);
    _pSizeGrip = new QSizeGrip(this);
    _pSizeGrip->setFixedSize(12, 12);

    _curModel = 0;
    connect(ui->btn_add,&QPushButton::clicked,this,&DiagramEditorTransSettingDlg::onAddClicked);
    connect(ui->btn_delete,&QPushButton::clicked,this,&DiagramEditorTransSettingDlg::onDeleteClicked);
    connect(ui->btn_ok,&QPushButton::clicked,this,&DiagramEditorTransSettingDlg::onOkClicked);
    connect(ui->btn_cancel,&QPushButton::clicked,this,&DiagramEditorTransSettingDlg::onCancelClicked);
    connect(ui->cb_level,&QComboBox::currentTextChanged,this,&DiagramEditorTransSettingDlg::onConnectLevelChanged);
    connect(ui->cb_bayType,&QComboBox::currentIndexChanged,this,&DiagramEditorTransSettingDlg::onBayTypeChanged);
    connect(ui->tableWidget, &QTableWidget::itemSelectionChanged,this, &DiagramEditorTransSettingDlg::onTableItemSelected);
    ui->cb_bayType->setItemData(0,3);   //将类型与item关联
    ui->cb_bayType->setItemData(1,4);

    QStringList headerText;
    headerText<<"间隔名称"<<"连接对象";
    ui->tableWidget->setContextMenuPolicy(Qt::CustomContextMenu);
    ui->tableWidget->setSelectionMode(QAbstractItemView::SingleSelection);
    ui->tableWidget->setSelectionBehavior(QAbstractItemView::SelectRows);
    ui->tableWidget->setColumnCount(headerText.count());
    ui->tableWidget->setHorizontalHeaderLabels(headerText);
    ui->tableWidget->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
    ui->tableWidget->verticalHeader()->setVisible(false);
}

void DiagramEditorTransSettingDlg::onAddClicked()
{
    QString str = ui->cb_target->currentText();

    for(int i = 0;i < ui->tableWidget->rowCount();++i){
        QString sName = ui->tableWidget->item(i,0)->text();
        if(str == sName)
            return;
    }

    int row = ui->tableWidget->rowCount();
    ui->tableWidget->insertRow(row);

    //名称
    QTableWidgetItem* nameItem = new QTableWidgetItem(str);
    nameItem->setData(Qt::UserRole, ui->cb_bayType->currentData().toInt());
    ui->tableWidget->setItem(row, 0, nameItem);

    //位置
    QTableWidgetItem* posItem = new QTableWidgetItem(ui->cb_toPos->currentText());
    ui->tableWidget->setItem(row, 1, posItem);
}

void DiagramEditorTransSettingDlg::onDeleteClicked()
{
    // 获取当前选中的索引
    QModelIndexList selectedIndexes = ui->tableWidget->selectionModel()->selectedRows();
    if (selectedIndexes.isEmpty()) {
        return; // 没有选中任何行
    }

    // 获取当前选中的第一项索引
    QModelIndex index = selectedIndexes.first();
    if (!index.isValid()) {
        return;
    }

    QModelIndex indexName = index.sibling(index.row(),0);
    QString sName = indexName.data().toString();
    if(!_prepareDisconnectBlock.contains(sName))
        _prepareDisconnectBlock.append(sName);
    /*if(_pWizard){
        //delete con?
    }*/

    int currentRow = ui->tableWidget->currentRow();
    if (currentRow == -1) {
        return;  // 没有选中行
    }

    ui->tableWidget->removeRow(currentRow);
}

void DiagramEditorTransSettingDlg::onOkClicked()
{
    QString sName = ui->le_name->text();
    TransformerType nType = TransformerType(ui->cb_type->currentIndex());
    if(_curModel == 0){
        auto lstBlock = _pWizard->getTargetLevelBlocks(Constants::TRANSFORMER_LEVEL,3);
        for(auto bay:lstBlock)
        {
            if(bay->getName() == sName){      //判断间隔存在
                QMessageBox::information(NULL, QString("提示"), QString::fromWCharArray(L"变压器已存在"));
                return;
            }
        }

        QList<EditorTransConnection> lst;
        for(int i = 0;i < ui->tableWidget->rowCount();++i){
            QString sPos = ui->tableWidget->item(i,1)->text();
            int nVal = 0;
            if(sPos == "高压侧"){
                nVal = 0;
            }
            else if(sPos == "中压侧")
            {
                nVal = 1;
            }
            else if(sPos == "低压侧")
            {
                nVal = 2;
            }
            EditorTransConnection con;
            con.sName = ui->tableWidget->item(i,0)->text();
            con.nPara = nVal;
            lst.append(con);
        }

        DiagramEditorWizardTransformerInfo info;
        info.sName = sName;
        info.nType = nType;
        info.lstBindObj = lst;

        _pWizard->onAddTransFinished(info);
    }
    else if(_curModel == 1){
        if(_curOperateBlock){
            _curOperateBlock->setName(sName);
            _curOperateBlock->setTransType(nType);
            _curOperateBlock->clearConnect();

            for(int i = 0;i < ui->tableWidget->rowCount();++i){
                QString sPos = ui->tableWidget->item(i,1)->text();
                int nVal = 0;
                if(sPos == "高压侧"){
                    nVal = 0;
                }
                else if(sPos == "中压侧")
                {
                    nVal = 1;
                }
                else if(sPos == "低压侧")
                {
                    nVal = 2;
                }
                QString sTargetBay = ui->tableWidget->item(i,0)->text();
                QUuid uid = _pWizard->addConnection(_curOperateBlock->getName(),sTargetBay,3,2,nVal);
                auto pBlock = _pWizard->getBlockByName_all(sTargetBay);        //连接的双方都保存连接(todo:修改时删除对面保存的连接)
                if(pBlock){
                    pBlock->addConnect(uid);
                }
                _curOperateBlock->addConnect(uid);
            }
            //todo: may delete

            if(_prepareDisconnectBlock.size()){

                for(auto& sTargetBay:_prepareDisconnectBlock){
                    QUuid uid = _pWizard->findConnection(_curOperateBlock->getName(),sTargetBay);
                    if(!uid.isNull())
                    {
                        _pWizard->removeConnection(uid);    //从记录中删除链接
                        auto pBlock = _pWizard->getBlockByName_all(sTargetBay);        //连接的双方都保存连接(todo:修改时删除对面保存的连接)
                        if(pBlock){
                            pBlock->removeConnect(uid);//从各自block中删除链接

                            auto pBay = dynamic_cast<DiagramEditorBayBlock*>(pBlock);
                            if(pBay){
                                auto& mapComponent = pBay->getBayInfo().mapComponent;
                                for(auto& comp:mapComponent){
                                    if(comp.sBindParent == _curOperateBlock->getName()){        //block中设备信息断开
                                        comp.sBindParent.clear();
                                        comp.sBindObj.clear();
                                        break;
                                    }
                                }

                                auto& mapRoute = pBay->getBayInfo().mapRoute;
                                for(auto& route:mapRoute){                          //block中线路信息断开
                                    for(auto& comp:route.lstCompo){
                                        if(comp.sBindParent == _curOperateBlock->getName()){
                                            comp.sBindParent.clear();
                                            comp.sBindObj.clear();
                                        }
                                    }
                                }
                            }
                        }
                        _curOperateBlock->removeConnect(uid);   //从各自block中删除链接
                    }
                }
                _prepareDisconnectBlock.clear();
            }

            _pWizard->flushTransPage();
            _curOperateBlock = nullptr;
        }
    }
    hide();
}

void DiagramEditorTransSettingDlg::onCancelClicked()
{
    if(_prepareDisconnectBlock.size())
        _prepareDisconnectBlock.clear();
    hide();
}

void DiagramEditorTransSettingDlg::onConnectLevelChanged(const QString& str)
{
    if(_pWizard){
        int n = ui->cb_level->findText(str);
        BayType nType = BayType(ui->cb_bayType->currentData().toInt());
        if(n != -1){
            ui->cb_target->clear();
            int nIndex = ui->cb_level->itemData(n).toInt();
            auto lstBlock = _pWizard->getTargetLevelBlocks(nIndex,2);
            for(auto& block:lstBlock){
                auto pBay = dynamic_cast<DiagramEditorBayBlock*>(block);
                if(pBay){
                    BayType tpe = pBay->getBayType();
                    if(nType == tpe)
                        ui->cb_target->addItem(pBay->getName());
                }
            }
        }
    }
}

void DiagramEditorTransSettingDlg::onBayTypeChanged(int idx)
{
    BayType nType = BayType(ui->cb_bayType->currentData().toInt());
    int n = ui->cb_level->currentIndex();
    if(n != -1){
        ui->cb_target->clear();
        int nIndex = ui->cb_level->itemData(n).toInt();
        auto lstBlock = _pWizard->getTargetLevelBlocks(nIndex,2);
        for(auto& block:lstBlock){
            auto pBay = dynamic_cast<DiagramEditorBayBlock*>(block);
            if(pBay){
                BayType tpe = pBay->getBayType();
                if(nType == tpe)
                    ui->cb_target->addItem(pBay->getName());
            }
        }
    }
}

void DiagramEditorTransSettingDlg::onTableItemSelected()
{
    auto items = ui->tableWidget->selectedItems();
    if (items.isEmpty())
        return;

    // 取第一列（名称）
    QTableWidgetItem* nameItem = ui->tableWidget->item(items.first()->row(), 0);
    if (!nameItem)
        return;

    QString targetName = nameItem->text();
    int bayTypeValue = nameItem->data(Qt::UserRole).toInt();
    BayType targetBayType = BayType(bayTypeValue);

    if (!_pWizard)
        return;

    // 遍历所有 level
    for (int i = 0; i < ui->cb_level->count(); ++i)
    {
        int levelIndex = ui->cb_level->itemData(i).toInt();
        auto lstBlock = _pWizard->getTargetLevelBlocks(levelIndex, 2);

        for (auto& block : lstBlock)
        {
            auto pBay = dynamic_cast<DiagramEditorBayBlock*>(block);
            if (!pBay)
                continue;

            if (pBay->getName() == targetName &&
                pBay->getBayType() == targetBayType)
            {
                // ✅ 1. 设置 bayType（必须先）
                for (int j = 0; j < ui->cb_bayType->count(); ++j)
                {
                    if (ui->cb_bayType->itemData(j).toInt() == bayTypeValue)
                    {
                        ui->cb_bayType->setCurrentIndex(j);
                        break;
                    }
                }

                // ✅ 2. 设置 level
                ui->cb_level->setCurrentIndex(i);

                // ✅ 3. 等待 onConnectLevelChanged 刷新 cb_target
                QTimer::singleShot(0, this, [=] {
                    ui->cb_target->setCurrentText(targetName);
                });

                return;
            }
        }
    }
}

void DiagramEditorTransSettingDlg::resizeEvent(QResizeEvent *) {
    _pSizeGrip->move(width() - _pSizeGrip->width(),
                     height() - _pSizeGrip->height());
}