#include <QPainter>

#include <ZxSerializer.h>
#include "IxPtyPano.h"
#include "ZxBaseUtil.h"
#include "ZxSubAxisX.h"
#include "ZxSubAxisY.h"

#include "nmObjLineCrackTool.h"
#include "ZxPlot.h"
#include "ZxObjText.h"

#include "nmObjLineCrack.h"

#include "nmPlotGraphicBinder.h"
#include "nmDataAnalyzeManager.h"

ZX_DEFINE_DYNAMIC(nObjLineFracture, nmObjLineCrack)

nmObjLineCrack::nmObjLineCrack()
{
    m_sObjTag = "nObjLineFracture";
    nmObjLineCrack::init("", NULL, NULL);
}

nmObjLineCrack::nmObjLineCrack(const QString& sName, \
                               ZxSubAxisX* pAxisX, \
                               ZxSubAxisY* pAxisY)
{
    m_sObjTag = "nObjLineFracture";
    nmObjLineCrack::init(sName, pAxisX, pAxisY);
}

nmObjLineCrack::~nmObjLineCrack()
{
}

void nmObjLineCrack::init(const QString& sName, \
                          ZxSubAxisX* pAxisX, \
                          ZxSubAxisY* pAxisY)
{
    nmObjBase::init(sName, pAxisX, pAxisY);

    nmObjLineCrack::initFlags();

    m_oPen = QPen(QBrush(Qt::red), \
                  0.3f, Qt::SolidLine);

    // 业务属性本地默认值
    m_sFlowModel = tr("Infinite Conductivity");
    m_dDfc = 0;
    m_dDw = 0;
    m_pGraphicBinder = nullptr;

    loadTempl();
}

void nmObjLineCrack::initTools()
{
    m_pTool = new nmObjLineCrackTool();
    nmObjBase::initTools();
}

void nmObjLineCrack::initFlags()
{
    setLockPos(false);
    setLockSize(false);
    setReadOnly(false);
}

bool nmObjLineCrack::hitTest(const QPointF& pt)
{
    return nmObjBase::hitTest(pt);
}

bool nmObjLineCrack::_runHitTest(const QPointF& pt, int& nOption, int& nSubIndex)
{
    if(!nmObjBase::_runHitTest(pt, nOption, nSubIndex)) {
        return false;
    }

    nOption = -1;
    nSubIndex = 0;

    if(NULL == m_pAxisX || NULL == m_pAxisY) {
        return false;
    }

    QVector<QPointF> pts = getPosOf(m_vecPoints);

    // 点
    double r = 1.f;

    for(int i = 0; i < pts.count(); i++) {
        QPointF ptTopLeft = QPointF(pts[i].x() - r,
                                    pts[i].y() - r);
        QSizeF sz = QSizeF(r * 2.f, r * 2.f);

        QRectF rt = QRectF(ptTopLeft, sz);
        bool b = rt.contains(pt);

        if(b) {
            nOption = (int)OHO_Point;
            nSubIndex = i;
            return true;
        }
    }

    // 线
    for(int i = 0; i < pts.count(); i++) {
        int n1 = i;
        int n2 = (i == pts.count() - 1 ? 0 : i + 1);

        if(_isNearLine(pt, pts[n1], pts[n2], 1.f * 2)) {
            // 判断当前线是否已经存在
            if(m_oHitOption == OHO_Bound && m_pTool->isLeftDown()) {
                // 添加新节点
                pts.insert(i + 1, pt);
                m_vecPoints.clear();
                m_vecPoints = getValueOf(pts);
                nOption = (int)OHO_Point;
                nSubIndex = i + 1;
                // 点集变更
                emit sigPointsChanged();
                return true;
            }

            nOption = (int)OHO_Bound;
            nSubIndex = i;
            return true;

        }
    }

    nOption = (int)OHO_None;
    nSubIndex = -1;

    return false;
}

bool nmObjLineCrack::runMove(const QPointF& pt1,
                             const QPointF& pt2)
{
    if(isLockPos()) {
        return false;
    }

    if(NULL == m_pAxisX || NULL == m_pAxisY) {
        return false;
    }

    int nCount = m_vecPoints.count();
    QVector<QPointF> vecPts = getPosOf(m_vecPoints); // 屏幕值

    if(m_oHitOption == OHO_Point && m_nHitIndex >= 0) {
        // 如果是点，不用计算偏移量，直接将该点移动到鼠标抬起的位置即可
        vecPts[m_nHitIndex] = pt2;
        bool bRet = moveToPos(vecPts);
        // 移动后通知点集变更
        emit sigPointsChanged();
        return bRet;
    } else if(m_oHitOption == OHO_Bound && m_nHitIndex >= 0) {
        for(int i = 0; i < nCount; i++) {
            vecPts[i] = offsetPoint(vecPts[i], pt1, pt2);
        }

        m_dOffsetX = pt2.x() - pt1.x();
        m_dOffsetY = pt2.y() - pt1.y();
        bool bRet = moveToPos(vecPts);
        // 移动后通知点集变更
        emit sigPointsChanged();
        return bRet;
    } else {
        return false;
    }

    return true;
}

void nmObjLineCrack::paintBack(QPainter* painter, const ZxPaintParam& param)
{
    if(NULL == m_pAxisX || NULL == m_pAxisY || \
            m_pAxisX->getRangeMin() == m_pAxisX->getRangeMax() || \
            m_pAxisY->getRangeMin() == m_pAxisY->getRangeMax()) {
        return;
    }

    painter->save();
    QVector<QPointF> pts = getPosOf(m_vecPoints);

    // 不选中的状态
    if(!pts.empty()) {

        QPen pen = m_oPen;
        painter->setPen(pen);

        for(int i = 0; i < pts.count() - 1; i++) {
            painter->drawLine(pts[i], pts[i + 1]);
        }

        //将名称置于中间线段下方
        QFont ft = qApp->font();
        ft.setPointSize(8);
        painter->setFont(ft);
        painter->setPen(Qt::black);

        int nSegments = pts.count() - 1;

        int middleIndex = (nSegments - 1) / 2;
        QPointF startPoint = pts[middleIndex];
        QPointF endPoint = pts[middleIndex + 1];
        // 计算中点坐标
        QPointF middlePoint((startPoint.x() + endPoint.x()) / 2,
                            (startPoint.y() + endPoint.y()) / 2);

        // 计算线段的方向角度
        double dx = endPoint.x() - startPoint.x();
        double dy = endPoint.y() - startPoint.y();
        double angle = qAtan2(dy, dx) * 180.0 / M_PI;

        // 偏移距离
        double offsetDistance = -3.0;

        // 线段长度
        double length = std::sqrt(dx * dx + dy * dy);

        // 计算一个垂直于线段方向的单位向量：
        QPointF offset(0, 0);

        if(length > 0) {
            // 选用 (dy, -dx) 作为垂直方向，正负号可根据想要的偏移朝向做调整
            offset = QPointF(offsetDistance * (dy / length),
                             offsetDistance * (-dx / length));
        }

        // 最终文字基准点：在原中点的基础上加上垂直方向的偏移
        QPointF textPos = middlePoint + offset;

        painter->save();
        painter->translate(textPos);
        painter->rotate(angle);
        QRectF textRect(-50, -10, 100, 20);
        ZxDrawHelper::drawText(painter,
                               textRect,
                               Qt::AlignCenter | Qt::AlignVCenter,
                               m_sName);

        painter->restore();
    }

    if(isSelected()) { //选中状态下

        for(int i = 0; i < pts.count(); i++) {

            float w = 2.2f;
            QPointF pt = pts[i];
            QRectF rect(pt.x() - w * 0.5f, pt.y() - w * 0.5f, w, w);

            if(m_nHitIndex == i && m_oHitOption == OHO_Point) {   //  填充节点
                QBrush br(Qt::red);
                painter->fillRect(rect, br);
            } else {
                painter->setPen(QColor(0, 0, 128));
                painter->drawRect(rect);
            }

            // 击中线
            if(m_nHitIndex == i && m_oHitOption == OHO_Bound) {
                nmDataLogFile::getInstance()->writeLog("select line " + QString::number(i));
                QPen pen(Qt::DashLine);
                //pen.setWidth(1); // 设置线条宽度
                // pen.setColor(Qt::green); // 设置线条颜色
                painter->setPen(pen);

                for(int i = 0; i < pts.count() - 1; i++) {
                    painter->drawLine(pts[i], pts[i + 1]);
                }

            }
        }

    }

    painter->restore();

}

int nmObjLineCrack::getCrackFlowModel()
{
    if(m_sFlowModel == tr("Infinite Conductivity"))
        return 0;
    else
        return 1;
}

void nmObjLineCrack::setCrackFlowModel(int newCrackFlowModel)
{
    if(newCrackFlowModel == 0) {
        m_sFlowModel = tr("Infinite Conductivity");
    } else {
        m_sFlowModel = tr("Finite Conductivity");
    }
    emit sigFlowModelChanged(newCrackFlowModel);
}

double nmObjLineCrack::getCrackDfc()
{
    return m_dDfc;
}

void nmObjLineCrack::setCrackDfc(double newCrackDfc)
{
    m_dDfc = newCrackDfc;
    emit sigDfcChanged(newCrackDfc);
}

double nmObjLineCrack::getCrackDw()
{
    return m_dDw;
}

void nmObjLineCrack::setCrackDw(double newCrackDw)
{
    m_dDw = newCrackDw;
    emit sigDwChanged(newCrackDw);
}

void nmObjLineCrack::onSerialize(ZxSerializer* ser)
{
    nmObjBase::onSerialize(ser);
    int flowModel = getCrackFlowModel();

    ser->write("FlowModel", flowModel);
    ser->write("dFc", m_dDfc);
    ser->write("dW", m_dDw);
}

void nmObjLineCrack::onDeserialize(ZxSerializer* ser)
{
    nmObjBase::onDeserialize(ser);
    int flowModel;
    double fractureDfc;
    double fractureDw;
    ser->read("FlowModel", flowModel);
    ser->read("dFc", fractureDfc);
    ser->read("dW", fractureDw);

    this->setCrackFlowModel(flowModel);
    this->setCrackDfc(fractureDfc);
    this->setCrackDw(fractureDw);
}

void nmObjLineCrack::onSaveTempl(ZxSerializer* ser)
{
    nmObjBase::onSaveTempl(ser);
    int flowModel = getCrackFlowModel();

    ser->write("FlowModel", flowModel);
    ser->write("dFc", m_dDfc);
    ser->write("dW", m_dDw);
}

void nmObjLineCrack::onLoadTempl(ZxSerializer* ser)
{
    nmObjBase::onLoadTempl(ser);
    int flowModel;
    double fractureDfc;
    double fractureDw;
    ser->read("FlowModel", flowModel);
    ser->read("dFc", fractureDfc);
    ser->read("dW", fractureDw);

    this->setCrackFlowModel(flowModel);
    this->setCrackDfc(fractureDfc);
    this->setCrackDw(fractureDw);
}

void nmObjLineCrack::fillPtyPano(IxPtyPano* sheet)
{
    nmObjBase::fillPtyPano(sheet);
    IxPtyItem* pProp = ZX_PROP("ObjLineFracture.FlowModel", getCrackFlowModel, setCrackFlowModel);

    if(NULL != pProp) {
        QStringList listTags;
        listTags << tr("Infinite Conductivity") << tr("Finite Conductivity");
        QList<QVariant> listIndexes;
        listIndexes << 0 << 1;
        pProp->getPtyPano();
        pProp->setOptions(listTags, listIndexes);
    }

    ZX_PROP("ObjLineFracture.dFc", getCrackDfc, setCrackDfc);
    ZX_PROP("ObjLineFracture.dW", getCrackDw, setCrackDw);

    // 裂缝起点位置
    ZX_PROP("ObjLineCrackStartPos.StartPointX", getStartX, setStartX);
    ZX_PROP("ObjLineCrackStartPos.StartPointY", getStartY, setStartY);
    // 裂缝终点位置
    ZX_PROP("ObjLineCrackEndPos.EndPointX", getEndX, setEndX);
    ZX_PROP("ObjLineCrackEndPos.EndPointY", getEndY, setEndY);
}

nmDataFracture* nmObjLineCrack::getFractureData() const
{
    if(m_pGraphicBinder) {
        return m_pGraphicBinder->getCrackDataFor(const_cast<nmObjLineCrack*>(this));
    }
    return nullptr;
}

double nmObjLineCrack::getStartX()
{
    if(!m_vecPoints.isEmpty())
        return m_vecPoints.first().x();
    return 0;
}

void nmObjLineCrack::setStartX(double newValue)
{
    if(!m_vecPoints.isEmpty()) {
        m_vecPoints.first().setX(newValue);
        emit sigPointsChanged();
    }
}

double nmObjLineCrack::getStartY()
{
    if(!m_vecPoints.isEmpty())
        return m_vecPoints.first().y();
    return 0;
}

void nmObjLineCrack::setStartY(double newValue)
{
    if(!m_vecPoints.isEmpty()) {
        m_vecPoints.first().setY(newValue);
        emit sigPointsChanged();
    }
}

double nmObjLineCrack::getEndX()
{
    if(!m_vecPoints.isEmpty())
        return m_vecPoints.last().x();
    return 0;
}

void nmObjLineCrack::setEndX(double newValue)
{
    if(!m_vecPoints.isEmpty()) {
        m_vecPoints.last().setX(newValue);
        emit sigPointsChanged();
    }
}

double nmObjLineCrack::getEndY()
{
    if(!m_vecPoints.isEmpty())
        return m_vecPoints.last().y();
    return 0;
}

void nmObjLineCrack::setEndY(double newValue)
{
    if(!m_vecPoints.isEmpty()) {
        m_vecPoints.last().setY(newValue);
        emit sigPointsChanged();
    }
}

void nmObjLineCrack::setLockForDFN()
{
    setLockPos(true);
    setLockSize(true);
    setReadOnly(true);
}