#pragma once

#include <windows.h>
#include <vector>

namespace W32Util
{
	class PropSheet;

	class Tab
	{
	public:
		PropSheet* sheet; //back pointer ..
		virtual void Init(HWND hDlg) {}
		virtual void Command(HWND hDlg, WPARAM wParam) {}
		virtual void Apply(HWND hDlg) {}
		virtual bool HasPrev()   {return true;}
		virtual bool HasFinish() {return false;}
		virtual bool HasNext()   {return true;}
		static INT_PTR __stdcall TabDlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
	};

	
	class WizExteriorPage : public Tab
	{
		int captionID;
	public:
		WizExteriorPage(int caption) {captionID = caption;}
		void Init(HWND hDlg);
	};
	
	
	class WizFirstPage : public WizExteriorPage
	{
	public:
		WizFirstPage(int caption) : WizExteriorPage(caption) {}
		bool HasPrev() {return false;}
	};


	class WizLastPage : public WizExteriorPage
	{
	public:
		WizLastPage(int caption) : WizExteriorPage(caption) {}
		bool HasNext() {return false;}
		bool HasFinish() {return true;}
	};


	class WizInteriorPage : public Tab
	{
	public:
	};

	class PropSheet
	{
		LPCTSTR watermark;
		LPCTSTR header;
		HFONT hTitleFont;
		HFONT hDialogFont;
		HICON icon;
		struct Page 
		{
			Page(Tab* _tab, LPCTSTR _resource, LPCTSTR _title, LPCTSTR _subtitle = 0)
				: tab(_tab), resource(_resource), title(_title), hdrSubTitle(_subtitle) {}
			Tab* tab;
			LPCTSTR resource;
			LPCTSTR title;
			LPCTSTR hdrSubTitle;
		};
	public:
		PropSheet();
		typedef std::vector<Page> DlgList;
		DlgList list;
		void SetWaterMark(LPCTSTR _watermark) {watermark=_watermark;}
		void SetHeader(LPCTSTR _header) {header=_header;}
		void SetIcon(HICON _icon) {icon = _icon;}
		void Add(Tab* tab, LPCTSTR resource, LPCTSTR title, LPCTSTR subtitle = 0);
		void Show(HINSTANCE hInstance, HWND hParent, LPCTSTR title, int startpage=0, bool floating = false, bool wizard = false);
		HFONT GetTitleFont() {return hTitleFont;}
		HFONT GetFont() {return hDialogFont;}
		static int CALLBACK Callback(HWND hwndDlg, UINT uMsg, LPARAM lParam);
	};



}