#include <QPainter>

#include "ZxBaseUtil.h"
#include "nmObjDelete.h"
#include "nmObjDeleteTool.h"

#include "nmSingalCenter.h"

#include "ZxPlot.h"

#include <vector>

#include "nmObjLineCrack.h"

nmObjDeleteTool::nmObjDeleteTool() : nmObjToolBase()
  , m_pPlot(nullptr)
{
  setText(tr("nObjDeleteTool"));
  m_oNot = NMOT_Delete;
  m_bShowDeleteIcon = false;
  m_hoverObj = nullptr;
  m_deleteIcon.load(ZxBaseUtil::getDirOf(s_Dir_Res, "Icon") + "nmTrash.png");
}

nmObjDeleteTool::nmObjDeleteTool(ZxPlot* pPlot)
  : nmObjToolBase()
  , m_pPlot(pPlot)
{
  setText(tr("nObjDeleteTool"));
  m_oNot = NMOT_Delete;
  nmDataLogFile::getInstance()->writeLog(" nmObjDeleteTool ++++++++ " + QString::number(m_oNot));
  this->m_delObj.clear();
  m_bShowDeleteIcon = false;
  m_hoverObj = nullptr;
  m_deleteIcon.load(ZxBaseUtil::getDirOf(s_Dir_Res, "Icon") + "nmTrash.png");

}

bool nmObjDeleteTool::onLeftUp(const QPointF& pt)
{
  if (NULL == m_pObj) //绘图对象尚未创建(鼠标选点ing）
  {
    //changeCursor(Qt::CrossCursor);

    // 判断鼠标是否进入了要删除的对象上
    if (!m_delObj.isEmpty())
    {
      int objCount = this->m_delObj.count();
      for(int i = 0; i < objCount; i++) {
        ZxObjBase* obj = this->m_delObj[i];
        if (obj == NULL)
        {
          continue;
        }
        QVector<QPointF> pts = obj->getAllPos();

        // 井或区域标记
        if (pts.count() == 1)
        {
          // 计算鼠标点击位置与井的中心点的距离
          float distance = QLineF(pt, pts[0]).length();
          if (distance <= 1.f * 5) // 如果距离在5像素范围内
          {
            if (obj != NULL)
            {
              nmSingalCenter::getInstance()->emitSigDeleteOneObj(obj->getName(), (void*)this);
              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 * 3))
          {
            if (obj != NULL)
            {
              nmSingalCenter::getInstance()->emitSigDeleteOneObj(obj->getName(),(void*) this);
              return true;
            }
          }
        }
      }
    } else {
      return nmObjToolBase::onLeftUp(pt);
    }

    return true;
  }
  else //业已绑定绘图对象
  {
    return nmObjToolBase::onLeftUp(pt);
  }
}

void nmObjDeleteTool::onPaint(QPainter* painter, const ZxPaintParam& param)
{
	nmObjDelete* pObj = dynamic_cast<nmObjDelete*>(m_pObj);
	if (pObj == NULL) //绘图对象尚未创建(鼠标选点ing）
	{
		m_currentMousePos = getCurrentPos();
		m_bShowDeleteIcon = false;
		m_hoverObj = nullptr;
		if (this->m_pPlot == NULL) {
			return;
		}

		// 处理可删除对象列表
		int objCount = this->m_pPlot->getObjCount();
		for(int i = 0; i < objCount; i++) {
			ZxObjBase* obj = this->m_pPlot->getObjByIndex(i);
			if (obj == NULL) {
				continue;
			}

			if(_isSame("nObjLineFracture", obj->getTagName()) || \
				_isSame("nObjLineFault", obj->getTagName()) || \
				_isSame("nObjRegion", obj->getTagName()) || \
				_isSame("nObjPointWell", obj->getTagName()) || \
				_isSame("nObjRegionMark", obj->getTagName()))
			{
				// 判断裂缝是不是裂缝
				if(_isSame("nObjLineFracture", obj->getTagName())) {
					nmObjLineCrack* pFractureObj = dynamic_cast<nmObjLineCrack*>(obj);
					if (pFractureObj == NULL || pFractureObj->getFractureData() == NULL) {
						continue;
					}
					// 如果是DFN生成的裂缝，那么不做处理
					if (pFractureObj->getFractureData()->getFractureType().getValue() == tr("DFN")) {
						continue;
					}
				}

				bool isContain = false;
				// 遍历 m_delObj，检查是否存在相同的指针
				for (int j = 0; j < m_delObj.count(); j++) {
					if (m_delObj[j] == obj) {
						isContain = true;
						break;
					}
				}

				if (!isContain)
				{
					m_delObj.append(obj);
				}

				// 检查鼠标是否在此对象上
				QVector<QPointF> pts = obj->getAllPos();
				// 井或区域标记
				if (pts.count() == 1)
				{
					float distance = QLineF(m_currentMousePos, pts[0]).length();
					if (distance <= 1.f * 5) // 如果距离在5像素范围内
					{
						m_bShowDeleteIcon = true;
						m_hoverObj = obj;
					}
				}
				// 线
				else
				{
					for (int j = 0; j < pts.count(); j++)
					{
						int n1 = j;
						int n2 = (j == pts.count() - 1 ? 0 : j + 1);
						if (_isNearLine(m_currentMousePos, pts[n1], pts[n2], 1.f * 3))
						{
							m_bShowDeleteIcon = true;
							m_hoverObj = obj;
							break;
						}
					}
				}
			}
		}

		// 如果鼠标悬停在可删除对象上，绘制删除图标
		if (m_bShowDeleteIcon && !m_deleteIcon.isNull()) {
			// 在鼠标右侧绘制图标
			QPointF iconPos = m_currentMousePos + QPointF(4, 2);
			int iconSize = 10;  // 图标尺寸
			QRectF iconRect(iconPos.x(), iconPos.y(), iconSize, iconSize);
			painter->drawPixmap(iconRect, m_deleteIcon, m_deleteIcon.rect());
		}
	}
	else //业已绑定绘图对象
	{
		// paintTrackingRealObj(painter, param);
	}
}