#pragma once
#include "SigmaDoc.h"
#include "ImageCut.h"
#include "FileTransformer.h"
#include "DrawOperator/expected.hpp"
#include "ListenerManager.h"

//namespace NDraw
//{
namespace NItem
{
	class CItemBkGrid;
}

typedef void(__stdcall* Listener)(BSTR);

class CrossLine;
class CSigmaView
{
public:
	CSigmaView();
	CSigmaView(CXy* pXy);
	void Initialize();
	~CSigmaView();
public:
	CRect		m_client;
	CSigmaDoc* m_pDoc;
	CDC* m_pDC;

	CDC* m_pImgDC;

	COLORREF mBackColor;
	double GridStepX;
	double GridStepY;

protected:
	HWND m_HWND;
	CDC* m_pDrawDC;
	int  m_viewportOffsetX; //视口原点偏移值
	int  m_viewportOffsetY; //视口原点偏移值
	int  m_topPageMargin;
	int  m_bottomPageMargin;
	int  m_leftPageMargin;
	int  m_rightPageMargin;
	bool m_bShowBKGrid;
	POSITION m_moveSelect;
	wchar_t m_tipMessageBuffer[1024];
	CItemBkGrid* m_pItemBkGrid;
	//bool   m_bEnableCrossLine;
	bool m_bScroll;
	CPoint m_oldPtForDrawCrossLine;  //用于画十字线
	bool   m_bFirstForDrawCrossLine; //是否是第一次画十字线
	std::unique_ptr<ImageCut> m_imageCut;
	std::unique_ptr<FileTransformer> m_pFileTransformer;
	HANDLE m_imgageCutHandle;   //批量切图线程句柄
	HANDLE m_transformerHandle; //批量文件格式转换线程句柄
	BOOL m_bEnableMeshPackage = FALSE;

	BOOL m_bSymbolView = FALSE;

	CPoint m_lastRightButtonXY;
	bool m_bEnableRotate;

	std::unique_ptr<CMemoryDC> m_pMemViewDC;
	CDC* m_pScreenDC;
	Listener m_listener = nullptr;
	ListenerManager<> m_viewChangedListenerManager;
public:
	virtual bool	OnDrawDC();  // 在画布中绘制
	virtual void    OnDrawMem(); // 在内存中绘制
	virtual void    DrawForPrint();
	virtual void	OnDraw(CXyDC& dc);
	virtual bool	OnDrawAll(CDC* pDC);
	virtual void	OnDrawAllBefore(CXyDC& dc);
	virtual void	OnDrawAllAfter(CXyDC& dc);
	virtual void    OnDrawOther(CDC* pCdc);
	virtual void	SetMapUnit(CSize unit);
	virtual void	Clear();
	//void UpdateCrossLine(CDC* pDC, CPoint point);
	//void DrawCrossLine(CDC* pDC, CPoint point);
	//void EnableCrossLine(bool bEnable);
	//bool GetCrossLineEnabledStatus();
	virtual void Scroll(int orientation, double offset);
	void SetTop(double top);
	void SetZoomMode(int zoomMode);
	CRect GetClientRect() {
		return m_client;
	}
	bool   CreateMemDC(CRect rect, CDC* pDC);
	CDC* GetMemDC(void) { return m_pMemViewDC.get(); }
	void SetImgDc(CDC* pDC);
	CDC* GetImgDC() {
		return m_pImgDC;
	}
	void SetScreenDC(CDC* pScreenDC);
	CDC* GetScreenDC() { return m_pScreenDC; }
	bool DrawImg(bool symbolViewFlag);
	bool CombinImg(int x, int y, int width, int height, int screenX, int screenY);
	void ShowBKGrid(bool bShow);
	bool HasEnableBKGrid();
	CPoint GetGridPoint(CPoint& pt);
	void   SetDc(CDC* pDC);
	CDC* GetDc();
	void SetBackColor(COLORREF color);
	COLORREF GetBackColor();
	void OffsetViewportOrg(int offsetX, int offsetY);
	virtual void SetClient(int l, int t, int r, int b);
	bool OpenFile(LPCTSTR lpszFileName, BOOL bMergeFile);
	bool OpenXy(CXy* pXy, BOOL bMergeFile);
	bool ReloadFile();
	bool CreateNew();
	bool CreateNew(LPCTSTR fileName);
	void InitialView();

	void SetScrollBar(int& hMax, int& vMax, int& hPage, int& vPage, int& hPos, int& vPos);
	void OnHScroll(UINT nSBCode, UINT nPos, int nScrollMax);
	void OnVScroll(UINT nSBCode, UINT nPos, int nScrollMax);

	void Extend(double locationX, double locationY, double width, double height, int mode);
	void OnViewExtend();
	void OnViewEnlarge();
	void OnViewEnlargeByMousePoint(int mouseX, int mouseY);
	void OnViewReduce();
	void ReduceForScreenPoint();
	void OnViewReduce(double factor);
	void ViewReduceByMousePoint(int mouseX, int mouseY);
	void FillScreenToCenter();
	void FillScreenByStrech();
	void ToCenterAndFixScale();
	void SetViewPan();

	//移动到point,以point为中心
	void PanTo(int mouseX, int mouseY);
	void SetViewWindow();
	void ViewMouseDown(UINT nFlags, CPoint point);
	void ViewMouseMove(UINT nFlags, CPoint point);
	void ViewMouseUp(UINT nFlags, CPoint point);

	void SetItem(int itemType);
	NItem::CItem* GetItem(void);
	void SetHWND(HWND hwnd);
	HWND GetHWND();

	void ActionAdd(COne* pOne, UINT nUndoID = IDS_STRING_ACTION_ADD);
	void SendRedrawMsg();

	void SetDrawDC(CDC* cdc);
	CDC* GetDrawDC();
	void GetPageMargin(int* top, int* bottom, int* left, int* right);
	void SetPageMargin(int  top, int  bottom, int  left, int right);
	//鼠标移动时 高亮光标之下的图元 并获得图元的提示信息
	int HighLightGraphItem(int mouseX, int mouseY, CDC* pScreenDC);
	void EndHighLightGraphItem();
	wchar_t* GetTipInfoString();
	//void InitXyDC();
	//fbw
	POSITION GetSelectedOnePosition(int type);
	POSITION GetPositionFind(COne* pOne);
	CPositionList* GetSelection(void);
	//void InitXyDC();
	//fbw
	COne* GetSelectedOne(int type);
	static CLIPFORMAT m_clipboardDraw; // custom clipboard format
	static CLIPFORMAT m_cfObjectDescriptor;
	BOOL OnLButtonUpOther(CDC* pDC, UINT nFlags, CPoint point, int vk = 0);
	void OnProcessZFlag();
	ImageCut* GetImageCut();
	void StopThreadOfImageCut();
	void StartThreadOfImageCut(CutImageInfo* icInfo);
	FileTransformer* GetFileTransformer();
	void StopThreadOfFileTransformer();
	void StartThreadOfFileTransformer(FileTransformationInfo* tfInfo);

	void EnableMeshPackage(BOOL isEnable, BOOL force = false);
	void SetFaultLayer(LPCTSTR layer);
	CString GetFaultLayer();
	void SetBorderLayer(LPCTSTR layer);
	CString GetBorderLayer();
	void SetFaultLayer3D(LPCTSTR layer);
	CString GetFaultLayer3D();
	void SetBorderLayer3D(LPCTSTR layer);
	CString GetBorderLayer3D();
	void SetWellLayer3D(LPCTSTR layer);
	CString GetWellLayer3D();
	void SetMainMeshLayer3D(LPCTSTR layer);
	CString GetMainMeshLayer3D();
	void SetMainMeshId3D(int64_t id);
	int64_t GetMainMeshId3D();
	void SetSymbolView(BOOL isSymbolView) { this->m_bSymbolView = isSymbolView; }

	bool GetPointsZRange(double& zMin, double& zMax);
	bool SetPointsColor(CString colorItemsData, double dWidth, double dHeight);
	void SetAntiAlias(bool enable);
	bool GetAntiAlias();
	void SetPrinting(bool isPriting);
	bool GetIsPriting();
	// 是否允许进行变形等操作
	void SetEnableRotate(bool enable);

	CPoint GetLastRightButtonPoint() const;
	virtual void SetLastRightButtonPoint(const CPoint& point);

	void RegisterListener(Listener listener);

	void Notify(const CString& message);

	ListenerManager<>& GetViewChangedListener();

	virtual void OnLButtonDown(int mouseX, int mouseY, HDC hdc, int vk);  //ggff2025
	virtual void OnLButtonUp(int mouseX, int mouseY, HDC hdc, int vk);
	virtual int  OnLButtonDoubleClick(int mouseX, int mouseY);
	virtual int OnMouseMove(HDC hMemDC, int mouseX, int mouseY, int buttonStatus);
private:
	void DrawElement(POSITION pos);
	void DrawCurve(POSITION pos);
	void FillTipInfo(POSITION pos, CPoint2D pt);
	//void ResetStatusForCrossLine();
};

template <typename T>
tl::expected<T*, CString>
TryGetItemCast(CSigmaView* pView)
{
	if (pView == nullptr)
	{
		return tl::make_unexpected("pView 为 nullptr");
	}

	CItem* pItem = pView->GetItem();
	if (pItem == nullptr)
	{
		return tl::make_unexpected("pItem 为 nullptr");
	}

	T* pTarget = dynamic_cast<T*>(pItem);
	if (pTarget == nullptr)
	{
		return tl::make_unexpected("pItem 转换失败");
	}

	return pTarget;
}

//};