#include "dataSourceDlg.h"
#include "ui_dataSourceDlg.h"
#include <QStandardItemModel>
#include "structDataSource.h"
#include "instance/extraPropertyManager.h"
#include "global.h"

DataSourceDlg::DataSourceDlg(QWidget *parent)
    : QDialog(parent)
    , ui(new Ui::dataSourceDlg)
    ,_treeModel(nullptr)
    ,m_currentCategoryItem(nullptr)
    ,_pExtraProManager(nullptr)
{
    ui->setupUi(this);
    this->setWindowFlags(Qt::FramelessWindowHint | windowFlags());
    initial();
}

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

void DataSourceDlg::initial()
{
    connect(ui->btn_ok,&QPushButton::clicked,this,&DataSourceDlg::onOkClicked);
    connect(ui->btn_cancel,&QPushButton::clicked,this,&DataSourceDlg::onCancelClicked);

    m_dataSource = new StructDataSource(this);
    _treeModel = new QStandardItemModel(this);
    _treeModel->setHorizontalHeaderLabels(QStringList() << "属性层级结构");
    ui->treeView->setModel(_treeModel);
}

void DataSourceDlg::loadData()
{
    if(_pExtraProManager)
        m_dataSource->loadExtrapro(_pExtraProManager->geAlltProperty());
}

void DataSourceDlg::showDlg()
{
    if(_pExtraProManager)
    {
        show();
        clearItems();
        auto& mapExtra = m_dataSource->allProperties;
        QStandardItem* root = _treeModel->invisibleRootItem();
        for(auto& pro:mapExtra){
            QStandardItem* propertyItem = new QStandardItem();
            addItemToView(pro,"name",root,propertyItem);
        }

        ui->treeView->expandAll();
    }
}

void DataSourceDlg::addItemToView(const ExtraProperty& property,
                                         const QString& displayMode,  // "name" 或 "tag"
                                         QStandardItem* root,
                                         QStandardItem* pItem)
{
    // 设置叶子节点的显示文本（使用name或tag）
    if (displayMode == "name") {
        pItem->setText(property.name.isEmpty() ? "未命名属性" : property.name);
    } else {
        pItem->setText(property.tag.isEmpty() ? "unknown_property" : property.tag);
    }

    // 在叶子节点存储完整的属性信息
    QVariantMap propertyData;
    propertyData["property"] = QVariant::fromValue(property);
    propertyData["displayMode"] = displayMode;
    propertyData["code"] = property.code;
    pItem->setData(propertyData, Qt::UserRole + 1);

    QVector<ExtraPropertyLevelInfo> levels = {
        {(displayMode == "name") ? property.grid_name : property.grid_tag,
         property.grid_name, property.grid_tag, true,
         (displayMode == "name") ? "未命名电网" : "unknown_grid"},

        {(displayMode == "name") ? property.zone_name : property.zone_tag,
         property.zone_name, property.zone_tag, true,
         (displayMode == "name") ? "未命名区域" : "unknown_zone"},

        {(displayMode == "name") ? property.station_name : property.station_tag,
         property.station_name, property.station_tag, true,
         (displayMode == "name") ? "未命名站点" : "unknown_station"},

        {property.currentLevel,
         property.currentLevel, property.currentLevel, false,
         (displayMode == "name") ? "通用层级" : "common_level"},

        {(displayMode == "name") ? property.bay_name : property.bay_tag,
         property.bay_name, property.bay_tag, false,
         (displayMode == "name") ? "间隔" : "bay"},

        {property.component_name.isEmpty() ?
             (displayMode == "name") ? "未命名设备" : property.component_uuid.toString() :
             (displayMode == "name") ? property.component_name : property.component_uuid.toString(),
         property.component_name, property.component_uuid.toString(), true,
         (displayMode == "name") ? "未命名设备" : "unknown_component"}
    };
}

void DataSourceDlg::onOkClicked()
{
    hide();
}

void DataSourceDlg::onCancelClicked()
{
    hide();
}

void DataSourceDlg::onTreeSelectionChanged(const QModelIndex& current, const QModelIndex& previous) {
    Q_UNUSED(previous);

    if (!current.isValid()) {
        clearPropertyList();
        return;
    }

    QStandardItem* item = _treeModel->itemFromIndex(current);
    if (!item) {
        clearPropertyList();
        return;
    }

    QVariantMap itemData = item->data(Qt::UserRole + 1).toMap();
    QString levelType = itemData.value("levelType", "").toString();

    if (levelType == "category") {
        // 点击分类节点，从category节点获取属性
        loadCategoryProperties(item);
    }else{
        clearPropertyList();
    }
}

void DataSourceDlg::clearPropertyList()
{
    ui->listWidget->clear();
    m_currentCategoryItem = nullptr;
}

void DataSourceDlg::loadCategoryProperties(QStandardItem* categoryItem) {
    m_currentCategoryItem = categoryItem;

    // 从category节点获取属性列表
    QVariantMap categoryData = categoryItem->data(Qt::UserRole + 1).toMap();
    QVector<ExtraProperty> properties = categoryData["properties"].value<QVector<ExtraProperty>>();

    if (properties.isEmpty()) {
        // 如果没有属性，从DataManager重新获取
        properties = getCategoryPropertiesFromDataManager(categoryData);
    }

    if (properties.isEmpty()) {
        clearItems();
        return;
    }

    updatePropertyList(properties);
}

QVector<ExtraProperty> DataSourceDlg::getCategoryPropertiesFromDataManager(const QVariantMap& categoryData) {
    QString groupTag = categoryData.value("groupTag").toString();
    QString modelName = categoryData.value("modelName").toString();
    QString paraType = categoryData.value("paraType").toString();
    QString sourceType = categoryData.value("sourceType").toString();
    QString componentUuid = categoryData.value("component_uuid").toString();

    QVector<ExtraProperty> result;

    for (auto it = m_dataSource->allProperties.begin();
         it != m_dataSource->allProperties.end(); ++it) {
        const ExtraProperty& prop = it.value();

        bool match = (prop.group_tag == groupTag) &&
                     (prop.sourceType == sourceType) &&
                     (prop.type_tag == paraType) &&
                     (prop.component_uuid.toString() == componentUuid);

        if (sourceType == "property") {
            match = match && (prop.sourceConfig.value("modelName").toString() == modelName);
        }

        if (match) {
            result.append(prop);
        }
    }

    return result;
}

void DataSourceDlg::updatePropertyList(QVector<ExtraProperty> vec)
{
    for(auto& pro:vec){
        QListWidgetItem* pItem = new QListWidgetItem(pro.code);
        pItem->setData(Qt::UserRole,pro.connect_para);
        ui->listWidget->addItem(pItem);
    }
}

bool DataSourceDlg::expandToPropertyByCode(const QString& propertyCode,
                                                  const QString& displayMode) {
    // 在树中搜索对应编码的节点
    QStandardItemModel* model = qobject_cast<QStandardItemModel*>(ui->treeView->model());
    if (!model) {
        return false;
    }

    QModelIndexList matches = model->match(
        model->index(0, 0),
        Qt::UserRole + 1,  // 搜索用户数据
        QVariant(),  // 任意值
        -1,  // 搜索所有
        Qt::MatchRecursive | Qt::MatchContains
        );

    for (const QModelIndex& index : matches) {
        QStandardItem* item = model->itemFromIndex(index);
        if (item) {
            QVariantMap itemData = item->data(Qt::UserRole + 1).toMap();

            // 检查是否是属性节点
            if (itemData.contains("property")) {
                ExtraProperty property = itemData["property"].value<ExtraProperty>();
                if (property.code == propertyCode) {
                    // 构建从根节点到该节点的路径
                    QStringList nodeNames;
                    QModelIndex currentIndex = index;

                    while (currentIndex.isValid()) {
                        QStandardItem* currentItem = model->itemFromIndex(currentIndex);
                        if (currentItem) {
                            nodeNames.prepend(currentItem->text());
                        }
                        currentIndex = currentIndex.parent();
                    }

                    // 去掉根节点
                    if (!nodeNames.isEmpty()) {
                        nodeNames.removeFirst();
                    }

                    // 展开到该节点
                    QStandardItem* rootItem = model->invisibleRootItem();
                    return expandToNodeByNames(rootItem, nodeNames);
                }
            }
        }
    }

    return false;
}

bool DataSourceDlg::expandToNodeByNames(QStandardItem* rootItem,
                                               const QStringList& nodeNames) {
    if (!rootItem || nodeNames.isEmpty()) {
        return false;
    }

    QStandardItem* currentItem = rootItem;
    QTreeView* treeView = ui->treeView;

    for (int i = 0; i < nodeNames.size(); ++i) {
        const QString& targetName = nodeNames[i];
        bool found = false;

        // 在当前节点的子节点中查找
        for (int row = 0; row < currentItem->rowCount(); ++row) {
            QStandardItem* childItem = currentItem->child(row, 0);
            if (childItem && childItem->text() == targetName) {
                // 展开当前节点
                QModelIndex currentIndex = currentItem->index();
                treeView->expand(currentIndex);

                // 如果是最后一层，选中该节点
                if (i == nodeNames.size() - 1) {
                    QModelIndex childIndex = childItem->index();
                    treeView->scrollTo(childIndex);
                    treeView->selectionModel()->select(
                        childIndex,
                        QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows
                        );
                    return true;
                }

                // 继续查找下一层
                currentItem = childItem;
                found = true;
                break;
            }
        }

        if (!found) {
            // 没有找到对应的节点
            qWarning() << "Node not found at level" << i << ":" << targetName;

            // 展开到已找到的层级
            if (currentItem != rootItem) {
                QModelIndex currentIndex = currentItem->index();
                treeView->expand(currentIndex);
                treeView->scrollTo(currentIndex);
            }
            return false;
        }
    }

    return true;
}

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