#pragma once
#include "actionitem.h"

namespace NAction
{
//功能同CActionModifiedItem类
class CActionBackupItem :
	public CActionItem
{
public:
	CActionBackupItem();
	CActionBackupItem(CSigmaDoc * ppDoc, UINT actionType);
	CActionBackupItem(CSigmaDoc * ppDoc, UINT actionType, const CPositionList& list);
	virtual ~CActionBackupItem(void);

	std::string GetActionName() const override
	{
		return typeid(*this).name();
	}

	// 在这个类中，value 里面存储的才是备份 COne，m_eleList 里面存储的是 CXy 所属 COne 指针
	bool IsOwnCOnes() const override
	{
		return true;
	}

	virtual void Undo(void);
	virtual void Redo(void);

	void Backup(POSITION pos);

	/**
	 * 备份更新后的内容
	 * 
	 */
	void BackupNew();

	void accept(CActionVisitor& visitor) override;

	friend class BlobSerializer;

protected:
	void Backup(const CPositionList& list);
public:
	void Backup(COne* pOne);
	void Backup(COne* pBakOne, COne* pOne);
	int GetCount(void);
	int BackupAllElements(void);
	void RemoveBackupTail(void);

private:
	struct BackupEntry
	{
		int64_t id = -1;
		std::unique_ptr<COne> pOldOne;
		std::unique_ptr<COne> pNewOne;
	};

	void DoOperation(std::unique_ptr<COne> BackupEntry::* member);

	std::vector<BackupEntry> m_entries;
};

class CActionBackupProjectionItem :
	public CActionItem
{
public:
	CActionBackupProjectionItem();
	CActionBackupProjectionItem(CSigmaDoc * ppDoc, UINT actionType);
	CActionBackupProjectionItem(CSigmaDoc * ppDoc, UINT actionType, CString strOldPro, CString strNewPro);
	virtual ~CActionBackupProjectionItem(void);

	std::string GetActionName() const override
	{
		return typeid(*this).name();
	}

	virtual void Undo(void);
	virtual void Redo(void);

	void accept(CActionVisitor& visitor) override;

	friend class BlobSerializer;

protected:
	CString m_strOldProjection;
	CString m_strNewProjection;
};

class CActionBackupXYItem :
	public CActionItem
{
public:
	CActionBackupXYItem();
	CActionBackupXYItem(CSigmaDoc * ppDoc, UINT actionType);
	virtual ~CActionBackupXYItem(void);

	std::string GetActionName() const override
	{
		return typeid(*this).name();
	}

	virtual void Undo(void);
	virtual void Redo(void);
	void ResetTreeLayerPtr(void);

	void accept(CActionVisitor& visitor) override;

	friend class BlobSerializer;
protected:
	CXy* m_pPrevXY = nullptr;
};

class CAtionBackupEditCurveInName : public CActionBackupItem
{
public:
	CAtionBackupEditCurveInName();
	CAtionBackupEditCurveInName(CSigmaDoc * ppDoc, UINT actionType, const CPositionList& list);

	std::string GetActionName() const override
	{
		return typeid(*this).name();
	}

	virtual void Undo(void);
	virtual void Redo(void);

	void accept(CActionVisitor& visitor) override;
};
}