/*
 * This file is a part of Winix
 * and is not publicly distributed
 * 
 * Copyright (c) 2008-2010, Tomasz Sowa
 * All rights reserved.
 * 
 */
 

#ifndef headerfilecmsluplugin
#define headerfilecmsluplugin

#include <vector>
#include <string>
#include <map>
#include "request.h"
#include "data.h"
#include "pluginmsg.h"
#include "log.h"
#include "plugindata.h"


// plugin arguments
struct Arg
{
	void * app;		// used for some purposes
	void * app2;	// used for some purposes
	void * app3;	// used for some purposes
	
	int plugin_id;  // unique plugin identifier


	PluginDataBase * plugin_data_base; // pointer to the plugin session

	int ret_true;	// how many plugins returned true
	int ret_false;	// how many plugins returned false
	
	
	void Clear()
	{
		app       = 0;
		app2      = 0;
		app3      = 0;
		ret_true  = 0;
		ret_false = 0;
		plugin_data_base = 0;
	}
};



class Plugin
{
public:	

	// index of a plugin which is called by Call() method
	// normally: -1
	int current_plugin;


	// !! zmienic sygnature funkcji (niech nie zwraca zadnej wartosci, bo to tylko wkurwia)
	// albo dodac jeszcze inna sygnature (niech nie pobiera zadnego argumentu)
	typedef bool (*Fun)(Arg *);

	//typedef void (*Fun2)();

	struct Slot
	{
		Fun fun;
		// Fun2 fun2; // dla drugiej sygnatury
		int index; // plugin index
	};


	Plugin();
	~Plugin();
	void LoadPlugin(const char * filename);
	void LoadPlugin(const std::string & filename);
	void LoadPlugins(const std::vector<std::string> & plugins);
	
	void UnloadPlugins();
	
	Arg * Call(int message, void * a=0, void * a2=0, void * a3=0);
	
	size_t Size();
	
	void Assign(int message, Fun);

private:	


	typedef std::vector<void*> Plugins;
	Plugins plugins;
	
	typedef std::multimap<int, Slot> Slots;
	Slots slots;
	
	Arg arg;
	
};




extern Plugin plugin;

#endif