#pragma once

#include <memory>

#pragma warning (disable : 4251)


#include "Log4CPP.Define.hpp"
#include "Log4CPP.LoggingEvent.hpp"
#include "Log4CPP.LogLevel.hpp"



//-----------------------------------------------------------------------------
//	    Appender
//-----------------------------------------------------------------------------

namespace Log4CPP
{
	class Layout;
	class Filter;
}


namespace Log4CPP
{
	class  Log4CPP_API  Appender
	{
		Appender (const Appender &) = delete;
		Appender (Appender &&) = delete;

		Appender & operator = (const Appender &) = delete;
		Appender & operator = (Appender &&) = delete;

	public:
		Appender ();
		virtual ~Appender () = 0;

	public:
		virtual bool Open ();
		virtual void Close ();
		bool IsClosed () const { return m_bClosed; }

	public:
		virtual void Append (LoggingEvent * pkt) = 0;

	public:
		void SetName (CV_String & Name);
		TLogString GetName () const;  // m_Name
		TLogString GetType () const;  // m_Type

		void SetThreshold (int value);
		int  GetThreshold () const { return static_cast <int> (m_Threshold); }

	public:
		virtual void SetLayout (LayoutPtr layout);
		virtual Layout * GetLayout ();

		virtual void AddFilter (FilterPtr filter);

		virtual void NewLine (int Level) {}

		virtual void SetOption (const TLogString & key, const TLogString & value);

//		所有配置装载完毕后, 调用这个函数
		virtual void ActivateOptions () {}

	public:
		TLogString Rendering (const LoggingEvent & pkt);

	protected:
		bool Decide (const LoggingEvent & pkt) const;

	protected:
		long  m_SeriesNo;
		enLogLevel m_Threshold = enLogLevel::enUndefined;
		bool m_bClosed = true;
		TLogString m_Name;
		TLogString m_Type;
		TLogString m_Header;
		TLogString m_Footer;
		std::shared_ptr <Layout>  m_Layout;
		std::list <std::shared_ptr <Filter>>  m_arFilter;
	};

}