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


#include "dirs.h"
#include "mounts.h"
#include "db.h"
#include "request.h"
#include "config.h"
#include "users.h"
#include "groups.h"
#include "rebus.h"
#include "loadavg.h"


class Functions;
class Templates;


// file system
class System
{
public:

	// contains current directories tree
	Dirs dirs;

	// mount points
	Mounts mounts;

	// users
	Users users;
	
	// groups
	Groups groups;

	// rebus (captcha)
	Rebus rebus;

	// load averages
	LoadAvg load_avg;

	// the time when the winix starts
	time_t system_start;


	void SetRequest(Request * prequest);
	void SetConfig(Config * pconfig);
	void SetDb(Db * pdb);
	void SetFunctions(Functions * pfunctions);
	void SetTemplates(Templates * ptemplates);
	void Init();

	void RedirectTo(const Item & item, const char * postfix = 0);
	void RedirectTo(long item_id, const char * postfix = 0);
	void RedirectToLastDir();
	void RedirectToLastItem(); // redirect to an item if exists or to the last directory

	void PrepareUrl(Item & item);

	bool CanChangeUser(const Item & item, long new_user_id);
	bool CanChangeGroup(const Item & item, long new_group_id);
	bool CanChangePrivileges(const Item & item, int new_priv);
	bool HasAccess(const Item & item, int mask);
	bool HasReadAccess(const Item & item);
	bool HasWriteAccess(const Item & item);
	bool HasReadWriteAccess(const Item & item);
	bool HasReadExecAccess(const Item & item);
	bool HasReadExecAccessToPath(long dir_id);
	bool DirsHaveReadExecPerm();
	void CheckAccessToItems(std::vector<Item> & item_tab);

	bool CanUseHtml(long user_id);
	bool CanUseBBCode(long user_id);
	bool CanUseRaw(long user_id);

	bool IsMemberOfGroup(long user_id, const char * group_name);

	bool MakePath(const Item & item, std::string & path, bool create_dir);
	bool MakePath(Item & item, bool create_dir); // output path is: item.auth_path

	Error AddFile(Item & item);
	Error EditFile(Item & item, bool with_url = true);

	Error CheckSpecialFile(const Item & item);

private:
	Request   * request;
	Config    * config;
	Db        * db;
	Functions * functions;
	Templates * templates;

	std::string path;
	bool MakePathSimpleFs(std::string & path, long dir_id, bool create_dir);
	bool MakePathHashFs(std::string & path, long id, bool create_dir);

};


#endif