#include "topologyView.h"
#include "ui_topologyView.h"
#include "tools.h"
#include "topologyTree.h"
#include "dataBase.h"
#include "basePropertyManager.h"
#include "baseProperty.h"
#include "structDataSource.h"
#include "extraPropertyManager.h"
#include <QStandardItemModel>
#include <QMenu>
#include <QUuid>

TopologyView::TopologyView(QWidget *parent)
    : QDialog(parent)
    , ui(new Ui::topologyView)
    ,_treeModel(nullptr)
    ,_treeView(nullptr)
    ,_pExtraProManager(nullptr)
{
    ui->setupUi(this);
    //setWindowFlags(windowFlags() | Qt::WindowMinMaxButtonsHint&Qt::WindowCloseButtonHint);
    _treeModel = 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::clicked, this, &TopologyView::onItemClicked);
    connect(_treeModel, &QStandardItemModel::itemChanged, this, &TopologyView::onItemChanged);

    m_dataSource = new StructDataSource(this);
    _pExtraProManager = new ExtraPropertyManager(this);
    _pExtraProManager->initial();

    if(_pExtraProManager)
        m_dataSource->loadExtrapro(_pExtraProManager->geAlltProperty());

    _treeView->setHeaderHidden(true);
    // 设置模型的列数
    _treeModel->setColumnCount(1);

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

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

    loadTopologyFromDB();
}

void TopologyView::loadTopologyFromDB()
{
    if(_pExtraProManager)
    {
        //clearItems();
        auto& mapExtra = m_dataSource->allProperties;
        /*QStandardItem* root = _treeModel->invisibleRootItem();
        for(auto& pro:mapExtra){
            QStandardItem* propertyItem = new QStandardItem();
            addItemToView(pro,"name",root,propertyItem);
        }*/
        QVector<ExtraProperty> vec = QVector<ExtraProperty>::fromList(mapExtra.values());
        buildTreeStructure(_treeModel,vec);

        _treeView->expandAll();
    }
}

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 = _treeModel->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);
        }
    }
}

void TopologyView::onUpdateTopology(QList<RelationItem> lst,bool refresh)
{
    if(refresh){
        QStandardItem *root = _treeModel->invisibleRootItem();
        int rowCount = root->rowCount();
        if (rowCount > 0) {
            _treeModel->removeRows(0, rowCount);
        }
        // 清空缓存
        m_mapVoltageLevels.clear();
        m_mapBayItems.clear();
    }

    // 第一阶段：处理间隔节点（nCategory == 1）
    for(auto &info:lst){
        auto curItem = info.item;
        if(curItem.nCategory == 1){  // 间隔信息
            // 获取间隔的电压层级
            QString voltageLevel = curItem.sVoltageLevel;
            if(voltageLevel.isEmpty()){
                voltageLevel = "未知电压等级";  // 默认值
            }

            // 查找或创建电压层级节点
            QStandardItem* pVoltageItem = findOrCreateVoltageLevel(voltageLevel);

            // 创建间隔节点
            QStandardItem* pBayItem = createBayItem(voltageLevel, curItem);

            pVoltageItem->appendRow(pBayItem);
        }
    }

    // 第二阶段：处理设备节点（nCategory == 0）
    for(auto &info:lst){
        auto curItem = info.item;
        if(curItem.nCategory == 0){  // 设备信息
            // 获取设备所属的间隔名称和电压层级
            QString bayName = info.parent.sName;
            QString voltageLevel = info.parent.sVoltageLevel;  // 从父间隔获取电压层级

            if(!bayName.isEmpty() && !voltageLevel.isEmpty()){
                // 查找对应的间隔节点
                QStandardItem* pBayItem = findBayItem(voltageLevel, bayName);

                if(pBayItem){
                    // 创建设备节点
                    createDeviceItem(pBayItem, curItem);
                }
            }
        }
    }

    // 展开所有节点
    _treeView->expandAll();
}

void TopologyView::clearItems()
{
    if(_treeModel){
        QStandardItem *root = _treeModel->invisibleRootItem();       //先清空model
        int rowCount = root->rowCount();
        if (rowCount > 0) {
            _treeModel->removeRows(0, rowCount);
        }
    }
}

QString TopologyView::getLevelType(int index) {
    switch (index) {
    case 0: return "电网";
    case 1: return "区域";
    case 2: return "站点";
    case 3: return "电压等级";
    case 4: return "间隔";
    case 5: return "设备";
    case 6: return "分组";
    default: return "未知层级";
    }
}

void TopologyView::buildTreeStructure(QStandardItemModel* model,
                                      const QVector<ExtraProperty>& properties) {
    // 清空模型
    model->clear();

    // 创建根节点
    //QStandardItem* root = new QStandardItem("拓扑结构");
    //model->appendRow(root);
    QStandardItem* root = _treeModel->invisibleRootItem();
    // 存储节点映射：路径 -> 节点
    QMap<QString, QStandardItem*> nodeMap;

    for (const auto& property : properties) {
        // 判断是否有设备信息
        bool hasDevice = !property.component_uuid.isNull() && !property.component_name.isEmpty();

        // 检查间隔信息（根据业务逻辑，间隔应该总是存在）
        QString bayDisplayName = property.bay_name.isEmpty() ?
                                     (property.bay_tag.isEmpty() ? "未命名间隔" : property.bay_tag) :
                                     property.bay_name;

        // 构建完整的节点路径
        QStringList pathComponents;

        // 基本层级：电网、区域、站点、电压等级、间隔
        pathComponents << property.grid_name;
        pathComponents << property.zone_name;
        pathComponents << property.station_name;
        pathComponents << property.currentLevel;
        pathComponents << bayDisplayName;

        // 如果有设备信息，添加设备层级
        if (hasDevice) {
            QString deviceDisplayName = property.component_name.isEmpty() ?
                                            property.component_uuid.toString() :
                                            property.component_name;
            pathComponents << deviceDisplayName;
        }

        // 构建路径字符串作为唯一标识
        QString pathKey = pathComponents.join("|");

        // 查找或创建节点路径
        QStandardItem* currentNode = root;
        QString currentPath = "";

        for (int i = 0; i < pathComponents.size(); i++) {
            currentPath += (i > 0 ? "|" : "") + pathComponents[i];

            // 查找是否已存在该节点
            QStandardItem* existingNode = nodeMap.value(currentPath);

            if (!existingNode) {
                // 在当前父节点下查找
                for (int row = 0; row < currentNode->rowCount(); row++) {
                    QStandardItem* child = currentNode->child(row, 0);
                    if (child && child->text() == pathComponents[i]) {
                        QVariantMap childData = child->data(Qt::UserRole + 1).toMap();
                        QString childPath = childData.value("fullPath").toString();
                        if (childPath == currentPath) {
                            existingNode = child;
                            nodeMap[currentPath] = child;
                            break;
                        }
                    }
                }
            }

            if (existingNode) {
                currentNode = existingNode;
            } else {
                // 创建新节点
                QStandardItem* newNode = new QStandardItem(pathComponents[i]);

                // 确定节点类型和层级信息
                QVariantMap nodeData;
                nodeData["fullPath"] = currentPath;
                nodeData["level"] = i;

                // 根据层级设置节点类型
                QString nodeType;
                QString levelType;

                switch (i) {
                case 0: nodeType = "grid"; levelType = "电网"; break;
                case 1: nodeType = "zone"; levelType = "区域"; break;
                case 2: nodeType = "station"; levelType = "站点"; break;
                case 3: nodeType = "voltage"; levelType = "电压等级"; break;
                case 4: nodeType = "bay"; levelType = "间隔"; break;
                case 5:
                    if (hasDevice) {
                        nodeType = "device";
                        levelType = "设备";
                        // 创建设备节点时初始化属性列表
                        nodeData["properties"] = QVariant::fromValue(QVector<ExtraProperty>());
                        nodeData["propertyCount"] = 0;
                        nodeData["deviceId"] = property.component_uuid.toString();
                        nodeData["deviceName"] = property.component_name;
                        //nodeData["deviceType"] = property.device_type;
                    }
                    break;
                }

                // 如果是间隔节点（第4层），也初始化属性列表（用于无设备的情况）
                if (i == 4) {
                    nodeData["properties"] = QVariant::fromValue(QVector<ExtraProperty>());
                    nodeData["propertyCount"] = 0;
                    nodeData["bayName"] = property.bay_name;
                    nodeData["bayTag"] = property.bay_tag;
                }

                nodeData["nodeType"] = nodeType;
                nodeData["levelType"] = levelType;

                newNode->setData(nodeData, Qt::UserRole + 1);
                currentNode->appendRow(newNode);
                currentNode = newNode;
                nodeMap[currentPath] = newNode;
            }
        }

        // 将属性添加到合适的节点
        // 如果有设备，添加到设备节点；否则添加到间隔节点
        QVariantMap targetNodeData = currentNode->data(Qt::UserRole + 1).toMap();
        QVector<ExtraProperty> nodeProperties = targetNodeData["properties"].value<QVector<ExtraProperty>>();

        // 检查属性是否已存在
        bool propertyExists = false;
        for (const auto& existingProp : nodeProperties) {
            if (existingProp.code == property.code) {
                propertyExists = true;
                break;
            }
        }

        if (!propertyExists) {
            nodeProperties.append(property);
            targetNodeData["properties"] = QVariant::fromValue(nodeProperties);

            // 更新属性数量
            int propertyCount = targetNodeData["propertyCount"].toInt() + 1;
            targetNodeData["propertyCount"] = propertyCount;

            // 更新节点显示文本
            QString currentText = currentNode->text();
            // 移除可能存在的数量后缀
            currentText = currentText.replace(QRegularExpression("\\(\\d+\\)$"), "").trimmed();
            currentNode->setText(QString("%1 (%2)").arg(currentText).arg(propertyCount));

            // 更新工具提示
            QString tooltip = QString("%1: %2").arg(targetNodeData["levelType"].toString()).arg(currentText);

            if (propertyCount > 0) {
                tooltip += QString("\n属性数量: %1").arg(propertyCount);
            }

            // 添加设备类型信息（如果是设备节点）
            if (targetNodeData["nodeType"].toString() == "device") {
                tooltip += QString("\n设备类型: %1").arg(targetNodeData["deviceType"].toString());
            }

            currentNode->setToolTip(tooltip);

            // 保存更新后的数据
            currentNode->setData(targetNodeData, Qt::UserRole + 1);
        }
    }
}

// 简化的获取属性列表函数
QVector<ExtraProperty> TopologyView::getPropertiesForNode(QStandardItem* node) {
    QVariantMap nodeData = node->data(Qt::UserRole + 1).toMap();
    QString nodeType = nodeData.value("nodeType").toString();

    if (nodeType == "device" || nodeType == "bay") {
        return nodeData["properties"].value<QVector<ExtraProperty>>();
    }

    return QVector<ExtraProperty>();
}

QString TopologyView::getNodeInfo(QStandardItem* node) {
    QVariantMap nodeData = node->data(Qt::UserRole + 1).toMap();
    QString nodeType = nodeData.value("nodeType").toString();
    QString levelType = nodeData.value("levelType").toString();
    QString name = node->text().replace(QRegularExpression("\\(\\d+\\)$"), "").trimmed();
    int propertyCount = nodeData.value("propertyCount", 0).toInt();

    if (nodeType == "device") {
        return QString("%1: %2 (设备类型: %3, 属性数: %4)")
            .arg(levelType)
            .arg(name)
            .arg(nodeData.value("deviceType").toString())
            .arg(propertyCount);
    } else if (nodeType == "bay") {
        return QString("%1: %2 (属性数: %3)")
            .arg(levelType)
            .arg(name)
            .arg(propertyCount);
    }

    return QString("%1: %2").arg(levelType).arg(name);
}

// 查找或创建电压层级节点
QStandardItem* TopologyView::findOrCreateVoltageLevel(const QString& voltageLevel)
{
    if(m_mapVoltageLevels.contains(voltageLevel)){
        return m_mapVoltageLevels[voltageLevel];
    }

    QStandardItem* pVoltageItem = new QStandardItem(voltageLevel);
    //pVoltageItem->setCheckable(true);
    //pVoltageItem->setCheckState(Qt::Unchecked);
    pVoltageItem->setData(-1, Qt::UserRole+1);  // 特殊标识，表示电压层级
    pVoltageItem->setData(-1, Qt::UserRole+2);
    pVoltageItem->setData(QString(), Qt::UserRole+3);

    m_mapVoltageLevels[voltageLevel] = pVoltageItem;
    _treeModel->appendRow(pVoltageItem);

    return pVoltageItem;
}

// 创建间隔节点
QStandardItem* TopologyView::createBayItem(const QString& voltageLevel, const RelationSturctItem& bayInfo)
{
    QStandardItem* pBayItem = new QStandardItem(bayInfo.sName);
    //pBayItem->setCheckable(true);
    //pBayItem->setCheckState(Qt::Unchecked);
    pBayItem->setData(bayInfo.nCategory, Qt::UserRole+1);
    pBayItem->setData(bayInfo.nEquipType, Qt::UserRole+2);
    pBayItem->setData(bayInfo.uid, Qt::UserRole+3);

    // 存储到缓存中，key 使用"电压层级|间隔名称"确保唯一
    QString bayKey = QString("%1|%2").arg(voltageLevel).arg(bayInfo.sName);
    m_mapBayItems[bayKey] = pBayItem;

    return pBayItem;
}

// 在电压层级下查找间隔节点
QStandardItem* TopologyView::findBayItem(const QString& voltageLevel, const QString& bayName)
{
    QString bayKey = QString("%1|%2").arg(voltageLevel).arg(bayName);

    // 先从缓存查找
    if(m_mapBayItems.contains(bayKey)){
        return m_mapBayItems[bayKey];
    }

    // 在对应电压层级下查找
    if(m_mapVoltageLevels.contains(voltageLevel)){
        QStandardItem* pVoltageItem = m_mapVoltageLevels[voltageLevel];
        for(int i = 0; i < pVoltageItem->rowCount(); ++i){
            QStandardItem* pItem = pVoltageItem->child(i);
            if(pItem->text() == bayName &&
                pItem->data(Qt::UserRole+1).toInt() == 1){
                m_mapBayItems[bayKey] = pItem;  // 加入缓存
                return pItem;
            }
        }
    }
    return nullptr;
}

// 创建设备节点
void TopologyView::createDeviceItem(QStandardItem* pParent, const RelationSturctItem& deviceInfo)
{
    QStandardItem* pItem = new QStandardItem(deviceInfo.sName);
    //pItem->setCheckable(true);
    //pItem->setCheckState(Qt::Unchecked);
    pItem->setData(deviceInfo.nCategory, Qt::UserRole+1);
    pItem->setData(deviceInfo.nEquipType, Qt::UserRole+2);
    pItem->setData(deviceInfo.uid, Qt::UserRole+3);

    pParent->appendRow(pItem);
}