#include "graphicsItem/graphicsBaseItem.h"
#include "graphicsItem/handleRect.h"
#include "graphicsItem/handleText.h"
#include "graphicsItem/itemPort.h"
#include "baseProperty.h"
#include "dataBase.h"
#include <QGraphicsScene>
#include <QJsonArray>
#include <QPainter>


GraphicsBaseItem::GraphicsBaseItem(QGraphicsItem *parent)
    : AbstractShapeType<QGraphicsItem>(parent)
    ,_property(nullptr)
    ,_pEntity(nullptr)
{
    m_type = T_item;
    _itemChanged = false;
    m_touched = false;

    setFlag(QGraphicsItem::ItemIsSelectable, true);
    setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
    setAcceptHoverEvents(true);
    m_layoutRadius = 80;
}

GraphicsBaseItem::GraphicsBaseItem(const GraphicsBaseItem& obj)
    :AbstractShapeType<QGraphicsItem>(obj)
    ,_property(nullptr)
    ,_pEntity(nullptr)
{
    m_type = T_item;
    _itemChanged = false;
    m_touched = false;

    setFlag(QGraphicsItem::ItemIsSelectable, true);
    setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
    setAcceptHoverEvents(true);

    m_layoutRadius = 80;

    m_lastPoint = obj.m_lastPoint;
    m_touched = obj.m_touched;
    m_boundingRect_selected = obj.m_boundingRect_selected;

    PortState tpe;
    if(m_Itemtype == GIT_baseNode || m_Itemtype == GIT_baseBus || m_Itemtype == GIT_node || m_Itemtype == GIT_bus){
        tpe = p_movable;
    }
    else{
        tpe = P_const;
    }

    for(auto& port:obj.m_mapPort){
        addPort(tpe,port->pos(),port->getId(),port->getType(),port->portPos(),port->getXPercent(),port->getYPercent());
    }
}

GraphicsBaseItem::~GraphicsBaseItem()
{
    foreach (int key, m_vecHanle.keys())
    {
        ItemControlHandle* pHandle = m_vecHanle.value(key);
        if (pHandle)
        {
            delete pHandle;
            pHandle = nullptr;
        }
    }
}

int GraphicsBaseItem::addPort(PortState typ,QPointF vec,QString id,HandleType hType,PortPos pos,double dXPercent,double dYPercent)
{
    int ntagId = -1;
    for(ntagId = H_connect;ntagId < 999;++ntagId)        //添加到未占用位置
    {
        if(!m_vecHanle.contains(ntagId))
            break;
    }
    ItemPort* pPort = new ItemPort(this);
    if(id.isEmpty())
    {
        pPort->setId(QUuid::createUuid().toString());
    }
    else
    {
        pPort->setId(id);
    }
    if(typ == p_movable)
    {
        pPort->setType(T_lineInOut);
    }
    else
    {
        pPort->setType(hType);
        pPort->setPortPos(pos);
        pPort->setXPercent(dXPercent);
        pPort->setYPercent(dYPercent);
    }
    pPort->setTag(ntagId);
    m_vecHanle.insert(ntagId,pPort);
    pPort->setParent(this);
    pPort->setPos(vec);

    m_mapPort.insert(pPort->getId(),pPort);
    return ntagId;
}

void GraphicsBaseItem::movePort(QString id,QPointF vec)
{
    if(m_mapPort.contains(id)){
        auto pPort = m_mapPort.value(id);
        pPort->setPos(vec);
    }
}

void GraphicsBaseItem::setEntity(PowerEntity* pEntity)
{
    _pEntity = pEntity;
}

PowerEntity* GraphicsBaseItem::entity()
{
    return _pEntity;
}

void GraphicsBaseItem::setProperty(ModelProperty* p)
{
    if(_property)       //已经有对象
    {
        disconnect(_property,&ModelProperty::updateData,this,&GraphicsBaseItem::onUpdateData);       //断开老数据
    }
    connect(p,&ModelProperty::updateData,this,&GraphicsBaseItem::onUpdateData);
    _property = p;
}

void GraphicsBaseItem::renderSelectBackground(QPainter* painter)
{
    int nPenWidth = 1;
    painter->setPen(QPen(QColor(135,206,235,180))); //蓝色的外框

    painter->setBrush(QBrush(QColor(135,206,235,180)));

    double dx = m_boundingRect_selected.x();
    double dy = m_boundingRect_selected.y();
    double dWidth = m_boundingRect_selected.width();
    double dHeight = m_boundingRect_selected.height();


    //画弧线0度是3点钟方向
    if(dWidth > dHeight)
    {
        painter->drawRect(m_boundingRect_selected);
        painter->drawChord(dx-dHeight*0.5,dy,dHeight,dHeight,90*16,180*16);
        painter->drawChord(dx+dWidth-dHeight*0.5,dy,dHeight,dHeight,(-90)*16,180*16);
    }
    else if(dWidth < dHeight)
    {
        painter->drawRect(m_boundingRect_selected);
        painter->drawChord(dx,dy-dWidth*0.5,dWidth,dWidth,0*16,180*16);
        painter->drawChord(dx,dy+dHeight-dWidth*0.5,dWidth,dWidth,180*16,180*16);
        //painter->drawChord(dx+dWidth-dHeight*0.5,dy,dHeight,dHeight,(-90)*16,180*16);
    }
    else
    {
        painter->drawEllipse(QPointF(dx+dWidth*0.5,dy+dHeight*0.5),dHeight*0.5,dHeight*0.5);
    }
}

ItemPort* GraphicsBaseItem::getPortById(QString id) const
{
    for(auto iter:m_mapPort)
    {
        QString portId = iter->getId();
        if(portId == id)
            return iter;
    }
    return nullptr;
}

ItemPort* GraphicsBaseItem::getPortPtr(int n) const
{
    for(auto iter:m_mapPort)
    {
        int tag = iter->getTag();
        if(tag == n)
            return iter;
    }
    return nullptr;
}

ItemControlHandle* GraphicsBaseItem::getHandlePtr(int n) const
{
    for(auto iter:m_vecHanle)
    {
        int tag = iter->getTag();
        if(tag == n)
            return iter;
    }
    return nullptr;
}


void GraphicsBaseItem::onUpdateData()
{
    updateByProperty();
}

void GraphicsBaseItem::initialPortsByDatabase(int nComponentTypeId)
{
    QMap<int,componentTypeInfo> mapType = DataBase::GetInstance()->getAllComponentType();

    if(mapType.contains(nComponentTypeId))
    {
        QJsonArray nodesJsonArray = mapType[nComponentTypeId].config["port"].toArray();

        for (QJsonValueRef nodeJson : nodesJsonArray)
        {
            QJsonObject node = nodeJson.toObject();
            double dX = node["xRatio"].toDouble();
            double dY = node["yRatio"].toDouble();
            int movable = node["movable"].toInt();
            int portType = node["portType"].toInt();
            int portLocate = node["portLocate"].toInt();

            addPort(PortState(movable),QPointF(boundingRect().left() + boundingRect().width() * dX, boundingRect().top()+boundingRect().height() *dY),QUuid::createUuid().toString(),HandleType(portType),PortPos(portLocate),dX,dY);
        }
    }
}

void GraphicsBaseItem::addDynamicText(QString tag,QString para)
{
    int ntagId = -1;
    for(ntagId = H_textCaption+1;ntagId < H_connect;++ntagId)        //添加到未占用位置
    {
        if(!m_vecHanle.contains(ntagId))
            break;
    }
    HandleText* pText = new HandleText(this);
    pText->setEditable(false);
    pText->setIndex(ntagId);
    pText->setTagName(tag);
    pText->setType(1);
    m_vecHanle.insert(ntagId,pText);

    m_mapDynamicText.insert(tag,pText);
    rearrangeDynamicText();
}

void GraphicsBaseItem::removeDynamicText(QString tag)
{
    for(auto& pText:m_mapDynamicText){
        if(pText->getTagName() == tag){
            int nIndex = pText->getIndex();
            m_vecHanle.remove(nIndex);
            auto p = m_mapDynamicText.take(tag);
            delete p;
            return;
        }
    }
    rearrangeDynamicText();
}

void GraphicsBaseItem::removeAllDynamicText()
{
    for(auto iter = m_mapDynamicText.begin();iter != m_mapDynamicText.end();++iter){
        int nIndex = iter.value()->getIndex();
        m_vecHanle.remove(nIndex);
        //auto p = m_mapDynamicText.take(iter.key());
        //delete p;
    }
    qDeleteAll(m_mapDynamicText);
    m_mapDynamicText.clear();
}

bool GraphicsBaseItem::hasDynamicText(const QString& tag)
{
    for(auto& pText:m_mapDynamicText){
        if(pText->getTagName() == tag){
            return true;
        }
    }
    return false;
}

void GraphicsBaseItem::setDynamicLayoutRadius(qreal radius)
{
    m_layoutRadius = radius;
    rearrangeDynamicText();
}


void GraphicsBaseItem::rearrangeDynamicText()
{
    int count = m_mapDynamicText.size();
    if (count == 0) return;

    // 计算左右两侧的项数
    int leftCount = (count + 1) / 2;  // 左侧稍多
    int rightCount = count - leftCount;

    qreal itemHeight = 30;
    qreal startY = -((qMax(leftCount, rightCount) - 1) * itemHeight) / 2;

    int i = 0;
    for (auto& item : m_mapDynamicText) {
        qreal x, y;

        if (i < leftCount) {
            // 左侧排列
            x = -m_layoutRadius-20; // 左侧偏移多一点
            y = startY + i * itemHeight;
        } else {
            // 右侧排列
            x = m_layoutRadius;  // 右侧偏移
            y = startY + (i - leftCount) * itemHeight;
        }

        item->setPos(x, y);
        ++i;
    }
}
/********************************基模****************************************/
GraphicsBaseModelItem::GraphicsBaseModelItem(QGraphicsItem *parent)
    :GraphicsBaseItem(parent)
{

}

GraphicsBaseModelItem::GraphicsBaseModelItem(const GraphicsBaseModelItem& obj)
    :GraphicsBaseItem(obj)
{

}

GraphicsBaseModelItem::~GraphicsBaseModelItem()
{

}

GraphicsBaseModelItem* GraphicsBaseModelItem::clone() const
{
    return new GraphicsBaseModelItem(*this);
}

void GraphicsBaseModelItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
{
    if(_stateMask){
        if(getProperty()->modelName().isEmpty())
        {
            painter->setPen(QColor(255,0,0,80));
            painter->setBrush(QColor(255,0,0,80));
            painter->drawRoundedRect(m_boundingRect,10,10);
        }
    }
}

QVariant GraphicsBaseModelItem::itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant& value)
{
    if (change == QGraphicsItem::ItemSelectedHasChanged)
    {
        setHandleVisible(value.toBool());
    }
    return QGraphicsItem::itemChange(change, value);
}

/********************************基模组*************************************/

GraphicsBaseModelGroup::GraphicsBaseModelGroup(QGraphicsItem *parent)
    :GraphicsBaseModelItem(parent)
{

}
GraphicsBaseModelGroup::GraphicsBaseModelGroup(const GraphicsBaseModelGroup& obj)
    :GraphicsBaseModelItem(obj)
{
    _layout = obj._layout;
}
GraphicsBaseModelGroup::~GraphicsBaseModelGroup()
{

}

GraphicsBaseModelGroup* GraphicsBaseModelGroup::clone() const
{
    return new GraphicsBaseModelGroup(*this);
}

void GraphicsBaseModelGroup::addItem(GraphicsBaseModelItem* item)
{
    item->setParentItem(this); // 关键：设置父项
    m_childItems.append(item);
    updateLayout();
}

QRectF GraphicsBaseModelGroup::boundingRect() const
{
    QRectF rect;
    for (auto* child : childItems()) {
        rect |= child->boundingRect().translated(child->pos());
    }
    return rect;
}
void GraphicsBaseModelGroup::updateLayout()
{
    if(_layout == 0){       //横

    }
    else{       //纵

    }
}

/********************************工程模**************************************/

GraphicsProjectModelItem::GraphicsProjectModelItem(QGraphicsItem *parent)
    :GraphicsBaseItem(parent)
{
    _lastPort = -1;
    //初始化缩放操作用的handle
    //m_vecHanle.reserve(H_left);
    for(int i = H_leftTop; i <= H_left; i++)
    {
        ItemControlHandle* pHandle = new HandleRect(this);
        pHandle->setType(T_resize);
        pHandle->setTag(i);
        m_vecHanle.insert(i-1,pHandle);
    }
    for(int i = H_rotate_leftTop; i <= H_rotate_leftBottom; i++)
    {
        ItemControlHandle* pHandle = new HandleRect(this);
        pHandle->setType(T_rotate);
        pHandle->setTag(i);
        m_vecHanle.insert(i-1,pHandle);
    }

    HandleText* pHandle = new HandleText(this);
    pHandle->setType(T_text);
    pHandle->setTag(H_textCaption);
    //pHandle->setText(QString("uname"));
    pHandle->setPos(30,-30);
    pHandle->setParent(this);
    m_vecHanle.insert(H_textCaption,pHandle);
    connect(pHandle,&HandleText::editFinish,this,&GraphicsProjectModelItem::onEditNameFinish);

    /*HandleText* pCurrent = new HandleText(this);        //电流
    pCurrent->setEditable(false);
    pCurrent->setType(T_text);
    pCurrent->setTag(H_textCurrent);
    pCurrent->setText(QString("I:"));
    pCurrent->setPos(-30,-30);
    pCurrent->setParent(this);
    m_vecHanle.insert(H_textCurrent,pCurrent);

    HandleText* pVoltage = new HandleText(this);        //电压
    pVoltage->setType(T_text);
    pVoltage->setTag(h_textVoltage);
    pVoltage->setText(QString("V:"));
    pVoltage->setPos(-30,30);
    pVoltage->setParent(this);
    m_vecHanle.insert(h_textVoltage,pVoltage);*/

    setFlag(QGraphicsItem::ItemIsMovable, true);
    setFlag(QGraphicsItem::ItemIsSelectable, true);
    setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);

    _curMonitorState = monitorItemState::Normal;
    _curMonitorStateEnable = false;
}

GraphicsProjectModelItem::GraphicsProjectModelItem(const GraphicsProjectModelItem& obj)
    :GraphicsBaseItem(obj)
{
    _lastPort = -1;
    //初始化缩放操作用的handle
    //m_vecHanle.reserve(H_left);
    for(int i = H_leftTop; i <= H_left; i++)
    {
        ItemControlHandle* pHandle = new HandleRect(this);
        pHandle->setType(T_resize);
        pHandle->setTag(i);
        m_vecHanle.insert(i-1,pHandle);
    }
    for(int i = H_rotate_leftTop; i <= H_rotate_leftBottom; i++)
    {
        ItemControlHandle* pHandle = new HandleRect(this);
        pHandle->setType(T_rotate);
        pHandle->setTag(i);
        m_vecHanle.insert(i-1,pHandle);
    }

    HandleText* pHandle = new HandleText(this);
    pHandle->setType(T_text);
    pHandle->setTag(H_textCaption);
    pHandle->setPos(30,-30);
    pHandle->setParent(this);
    m_vecHanle.insert(H_textCaption,pHandle);

    m_state = obj.m_state;
    m_beginConnectPoint = obj.m_beginConnectPoint;
    m_endConnectPoint = obj.m_endConnectPoint;
    _modelName = obj._modelName;

    setFlag(QGraphicsItem::ItemIsMovable, true);
    setFlag(QGraphicsItem::ItemIsSelectable, true);
    setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
    setPos(obj.pos());
    setRotation(obj.rotation());

    _curMonitorState = monitorItemState::Normal;
    _curMonitorStateEnable = false;
}

GraphicsProjectModelItem::~GraphicsProjectModelItem()
{

}

GraphicsProjectModelItem* GraphicsProjectModelItem::clone() const
{
    return new GraphicsProjectModelItem(*this);
}

void GraphicsProjectModelItem::createOperationCopy()
{
    m_pOperationCopy = new QGraphicsPathItem(this->shape());
    m_pOperationCopy->setPen(Qt::DashLine);
    m_pOperationCopy->setPos(this->pos());
    m_pOperationCopy->setTransformOriginPoint(this->transformOriginPoint());
    m_pOperationCopy->setTransform(this->transform());
    m_pOperationCopy->setRotation(this->rotation());
    m_pOperationCopy->setScale(this->scale());
    m_pOperationCopy->setZValue(this->zValue());

    QGraphicsScene* scene = this->scene();
    if(scene && m_pOperationCopy)
    {
        scene->addItem(m_pOperationCopy);
        m_movingIniPos = this->pos();
    }
}

void GraphicsProjectModelItem::removeOperationCopy()
{
    QGraphicsScene* scene = this->scene();
    if(scene && m_pOperationCopy)
    {
        if(this->pos() != m_pOperationCopy->pos())
            this->setPos(m_pOperationCopy->pos()); //本体移动到副本的位置
        if(this->rotation() != m_pOperationCopy->rotation())
            this->setRotation(m_pOperationCopy->rotation()); //本体旋转至副本的角度

        scene->removeItem(m_pOperationCopy);
        delete m_pOperationCopy;
        m_pOperationCopy = nullptr;
    }
}

void GraphicsProjectModelItem::moveOperationCopy(const QPointF& distance)
{
    if(m_pOperationCopy)
        m_pOperationCopy->setPos(m_movingIniPos + distance);
}

void GraphicsProjectModelItem::rotateOperationCopy(const double& dAngle)
{
    if(m_pOperationCopy)
        m_pOperationCopy->setRotation(dAngle);
}

void GraphicsProjectModelItem::syncRotationDataFromParent(const double& data)
{
    //m_dSyncRotationByParent = rotation() + data;
    m_dSyncRotationByParent += data;
    //让角度保持在正负180的区间，也就是上下两个半圈，这样易于象限判断
    if (m_dSyncRotationByParent > 180)
        m_dSyncRotationByParent -= 360;
    if (m_dSyncRotationByParent < -180)
        m_dSyncRotationByParent += 360;
}

QVariant GraphicsProjectModelItem::itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant& value)
{
    if (change == QGraphicsItem::ItemSelectedHasChanged)
    {
        QGraphicsItemGroup *group = dynamic_cast<QGraphicsItemGroup *>(parentItem());
        if(!group)
            setHandleVisible(value.toBool());
            //setFunctionHandleVisible(false);
        else //在某一组群中，由组群展示是否选中，自身不做展示
        {
            setSelected(false);
            return QVariant::fromValue<bool>(false);
        }
    }
    return QGraphicsItem::itemChange(change, value);
}

void GraphicsProjectModelItem::contextMenuEvent(QGraphicsSceneContextMenuEvent* event)
{
    Q_UNUSED(event);
}

void GraphicsProjectModelItem::paint(QPainter *painter,const QStyleOptionGraphicsItem *option, QWidget *widget)
{
    Q_UNUSED(painter);
    Q_UNUSED(option);
    Q_UNUSED(widget);
}

void GraphicsProjectModelItem::setLabelTag(const QString& name)
{
    m_vecHanle[H_textCaption]->setText(name);
}

QString GraphicsProjectModelItem::getLabelTag() const
{
    return m_vecHanle[H_textCaption]->getText();
}

void GraphicsProjectModelItem::setLabelCurrent(const QString& str)
{
    m_vecHanle[H_textCurrent]->setText(str);
}

QString GraphicsProjectModelItem::getLabelCurrent() const
{
    return m_vecHanle[H_textCurrent]->getText();
}

void GraphicsProjectModelItem::setLabelVoltage(const QString& str)
{
    m_vecHanle[h_textVoltage]->setText(str);
}

QString GraphicsProjectModelItem::getLabelVoltage() const
{
    return m_vecHanle[h_textVoltage]->getText();
}

void GraphicsProjectModelItem::updateByProperty()
{
    if(_property)
    {
        setLabelTag(_property->tag());
    }
}

void GraphicsProjectModelItem::unbindProperty()
{
    _property = nullptr;
}


void GraphicsProjectModelItem::updateConnectData()
{
    QJsonObject obj;
    QJsonArray arr;
    if(_property)
    {
        for(auto &ptr:m_mapPort)
        {
            //if(ptr->connected())
            {
                QJsonObject port;
                port["portId"] = ptr->getId();
                //auto pLine = ptr->getConnectPtr();
                port["x"] = ptr->pos().x();
                port["y"] = ptr->pos().y();
                port["locate"] = ptr->portPos();
                port["portType"] = ptr->getType();
                port["xRatio"] = ptr->getXPercent();
                port["yRatio"] = ptr->getYPercent();
                arr.push_back(port);
            }
        }

        obj["port"] = arr;
        obj["metaModel"] = _property->metaModelName();
        obj["subList"] = _property->saveSubToJsonArr();
        _property->setContext(obj);
    }
}

void GraphicsProjectModelItem::onEditNameFinish(const QString& str)
{
    emit ifExist(m_itemId,str,m_Itemtype,this);
}

void GraphicsProjectModelItem::updateTerPos()
{
    for(auto &pPort:m_mapPort){
        double dX = pPort->getXPercent();
        double dY = pPort->getYPercent();
        QPointF pos(boundingRect().left() + boundingRect().width() * dX, boundingRect().top()+boundingRect().height() *dY);
        pPort->setPos(pos);
    }
}

/********************************工程模组*************************************/

GraphicsProjectModelGroup::GraphicsProjectModelGroup(QGraphicsItem *parent)
    :GraphicsProjectModelItem(parent)
{

}

GraphicsProjectModelGroup::GraphicsProjectModelGroup(const GraphicsProjectModelGroup& obj)
    :GraphicsProjectModelItem(obj)
{
    m_direction = obj.m_direction;
    m_spacing = obj.m_spacing;
    _groupType = obj.m_spacing;

    for(auto &pItem:obj.m_childItems){
        auto newItem = pItem->clone();
        m_childItems.append(newItem);
    }
}

GraphicsProjectModelGroup::~GraphicsProjectModelGroup()
{

}

GraphicsProjectModelGroup* GraphicsProjectModelGroup::clone() const
{
    return new GraphicsProjectModelGroup(*this);
}

void GraphicsProjectModelGroup::addItem(GraphicsProjectModelItem* item)
{
    item->setParentItem(this); // 关键：设置父项
    m_childItems.append(item);
    updateLayout();
}

/*QRectF GraphicsProjectModelGroup::boundingRect() const
{

}*/

QRectF GraphicsProjectModelGroup::updateBoundRect()
{
    QRectF rect;
    if(m_childItems.size()){
        for (auto* child : m_childItems) {
            rect |= child->boundingRect().translated(child->pos());
        }

        m_boundingRect = rect;
    }
    else
    {
        return m_boundingRect;
    }

    updateHandles();
    //qDebug()<<rect;
    return rect;
}

void GraphicsProjectModelGroup::updateLayout()
{
    if (m_childItems.isEmpty()) return;

    // 计算所有子项的总尺寸
    qreal totalSize = 0;
    QList<qreal> childSizes;

    for (GraphicsBaseItem *child : m_childItems) {
        QRectF childRect = child->boundingRect();
        qreal size = (m_direction == 0) ? childRect.width() : childRect.height();
        childSizes.append(size);
        totalSize += size;
    }

    // 计算总间距
    qreal totalSpacing = m_spacing * (m_childItems.size() - 1);

    // 计算起始位置（相对于父项中心）
    qreal startPos = -(totalSize + totalSpacing) / 2;

    // 定位每个子项
    qreal currentPos = startPos;
    for (int i = 0; i < m_childItems.size(); ++i) {
        GraphicsBaseItem *child = m_childItems[i];
        QRectF childRect = child->boundingRect();

        if (m_direction == 0) {
            // 水平布局：x坐标变化，y坐标保持中心对齐
            child->setPos(currentPos, -childRect.height() / 2);
            currentPos += childSizes[i] + m_spacing;
        } else {
            // 垂直布局：y坐标变化，x坐标保持中心对齐
            child->setPos(-childRect.width() / 2, currentPos);
            currentPos += childSizes[i] + m_spacing;
        }
    }
    updateBoundRect();
}