#include "WindowAppBlockStandard.h"
#include "WindowAppPouFrame.h"
#include "WindowAppItemInterface.h"
#include "Pou.h"
#include "DialogBlockProperty.h"

#include "TaskManager.h"
#include "WindowAppTaskView.h"


// bShowOnly 是否仅供展示使用，展示使用的话不提供右键菜单以及其他互动功能
WindowAppBlockStandard::WindowAppBlockStandard(TOOL* pTool, POU* Pou, bool bShowOnly, QGraphicsObject* parent):
	WindowAppBlockStandardBase(pTool, Pou, bShowOnly, parent)
{
	
}


/// <summary>
/// 添加接口（Standard工具需要额外添加ToolInterface）
/// </summary>
void WindowAppBlockStandard::addItemInterfaces()
{
	// 添加标准接口
	WindowAppBlockStandardBase::addItemInterfaces();

	// 添加ToolStart接口
	WindowAppBlockStandardBase::addItemToolInterfaces();
}


/// <summary>
/// 双击弹出设置对话框
/// </summary>
/// <param name="event"></param>
void WindowAppBlockStandard::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event)
{
	// 只有鼠标左键才响应
	if (event->button() == Qt::LeftButton && !m_bShowOnly)
	{
		// qDebug() << this->scenePos();

		m_pPou->ShowToolDialog(this);
	}
}


/// <summary>
/// 2022-3-10 根据Dll中的信息动态添加接口
/// </summary>
/// <param name="infList"></param>
bool WindowAppBlockStandard::addDynamicInterfacesFromDll(const QList<DLL_INF>& infList, QString& strReason)
{
	//// 此处需要去掉const属性了，因为需要动态给Tool增加端口
	//TOOL* pTool = const_cast<TOOL*>(this->toolInfo);

	for (const DLL_INF& inf : infList)
	{
		// 首先检查Tool中是否已经有此名字的接口了
		if (m_toolInfo->contains(inf.strName))
		{
			strReason = "[Error] Interface [" + inf.strName + " is already exist.";

			return false;
		}

		// 建立对应的Interface数据结构
		_INTERFACE* newInf = new _INTERFACE(m_toolInfo);

		newInf->basedFrom(inf);
		// 设置全名
		newInf->strFullName = m_toolInfo->strInstanceName + "." + newInf->strName;

		// 添加到Tool数据结构中
		m_toolInfo->addInterface(newInf);

		// 生成对应的InterfaceItem
		WindowAppItemInterface* pNewItemInf = new WindowAppItemInterface(
			newInf,
			m_pPou,
			this->m_toolInfo,
			m_bShowOnly,
			this
		);

		if (!m_bShowOnly)
		{
			// Pou中保存此接口的对应关系
			m_pPou->registerInterface(pNewItemInf, newInf);
		}

		// 保存接口Item信息用于绘制
		m_itemInterfaces.append(pNewItemInf);
	}

	// 重新计算矩形区域
	this->updateRect();

	// 接口全部动态添加完毕之后，更新Interface的位置
	WindowAppBlockBase::updateInterfacesPostion();

	return true;
}


/// <summary>
/// 2022-3-11 根据Dll中的信息动态删除接口
/// </summary>
/// <param name="infList"></param>
bool WindowAppBlockStandard::deleteDynamicInterfacesFromDll(const QList<DLL_INF>& infList, QString& strReason)
{
	// 取得Tool指针
	// TOOL* pTool = const_cast<TOOL*>(this->toolInfo);

	// 遍历需要删除的接口
	for (const DLL_INF& inf : infList)
	{
		// 取得接口指针
		_INTERFACE* pDelInf = m_toolInfo->getInterfaceByName(inf.strName);

		if (pDelInf == nullptr)
		{
			strReason = "[Error] WindowAppBlockStandard::delDynamicInterfacesFromDll - but "
				+ inf.strName + " is not exist.";

			return false;
		}

		// 取得接口指针的图形单元
		WindowAppItemInterface* pInfItem = m_pPou->GetInterfaceItemByName(pDelInf->strFullName);

		if (pInfItem == nullptr)
		{
			strReason = "[Error] WindowAppBlockStandard::delDynamicInterfacesFromDll - but item "
				+ pDelInf->strFullName + " is not exist.";

			return false;
		}

		// 只允许删除动态接口
		if (!pDelInf->bDynamic)
		{
			strReason = "[Error] " + inf.strName + " is not dynamic intrface, can't be delete!";

			return false;
		}

		// 被引用的接口不允许删除
		if (pDelInf->nRefCount > 0)
		{
			strReason = "[Error] Can't delete interface[" + pDelInf->strFullName + "] : ref count > 0";

			return false;
		}

		// 层层检查完毕之后，开始执行删除动作

		// Pou相关接口中删除此接口相关数据结构
		m_pPou->DelInterface(pDelInf->strFullName, pInfItem, pDelInf);

		// m_itemInterfaces 中删除
		QVector<WindowAppItemInterface*>::iterator itr = m_itemInterfaces.begin();
		for (; itr != m_itemInterfaces.end();)
		{
			if (*itr == pInfItem)
			{
				// 要从scene()中移除这个Item，要不界面上不会消失
				scene()->removeItem(*itr);

				itr = m_itemInterfaces.erase(itr);

				break;
			}
			else
			{
				itr++;
			}
		}

		// 最后从Tool中删除此接口数据结构
		m_toolInfo->delInterfaceByName(inf.strName);
	}

	// 本功能块重绘
	this->updatePosition();

	return true;
}