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

#include <iostream>
#include <ctime>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <pwd.h>
#include <grp.h>
#include <errno.h>

#include "config.h"
#include "system.h"
#include "mounts.h"
#include "request.h"
#include "sessionmanager.h"
#include "notify.h"
#include "db/db.h"
#include "functions/functions.h"
#include "templates/templates.h"
#include "templatesnotify/templatesnotify.h"
#include "compress.h"
#include "htmlfilter.h"
#include "getparser.h"
#include "postparser.h"
#include "cookieparser.h"
#include "postmultiparser.h"
#include "acceptencodingparser.h"





class App
{
public:

	App();

	bool Init();
	void Start();
	void Close();
	bool DropPrivileges();
	void LogUserGroups();
	bool Demonize();

	// configuration read from a config file
	Config config;

	// current request
	Request request;

	// users sessions
	SessionManager session_manager;

	// notifications (by emails)
	Notify notify;

	// database
	Db db;
	DbConn db_conn;



	/*
		model
	*/

	// file system
	System system;

	// false at the beginning
	// !! moze to do loggera dac?
	bool stdout_is_closed;




	/*
		controllers
		(note that the whole app object is actually a controller too)
	*/

	// functions (ls, cat, emacs, ...)
	Functions functions;


	/*
		view
	*/

	Templates templates;
	TemplatesNotify templates_notify;


private:

	enum Header
	{
		h_200,
		h_404,
		h_403
	};

	GetParser get_parser;
	PostParser post_parser;
	PostMultiParser post_multi_parser;
	CookieParser cookie_parser;
	AcceptEncodingParser accept_encoding_parser;	
	Compress compress;
	HTMLFilter html_filter;
	std::wstring clean_html, html_with_debug;

	bool CreateFCGISocket();
	void ProcessRequestThrow();
	void ProcessRequest();
	bool BaseUrlRedirect();
	void DeleteAllPluginsData();
	void MakePage();
	void Make();
	void SaveSessionsIfNeeded(); // !! wywalic do managara sesji??
	void LogAccess();

	void ReadRequest();
	void SendAnswer();

	void SetEnv(const char * & env, const char * name);
	void ReadEnvVariables();
	void ReadGetPostVars();

	void CheckIE();
	void CheckKonqueror();
	void CheckRequestMethod();
	void CheckFCGIRole();

	void SetHtmlFilterConf();
	void PrepareSessionCookie();
	void AddDebugInfo(std::wstring & out);
	void FilterCompressSend(bool compressing, const std::wstring & source_ref);
	void SendHeaders(bool compressing, Header header);
	bool IsCompressionAllowed(const std::wstring & source);
	bool CanSendContent(Header header);

	void LogUser(const char * msg, uid_t id);
	void LogGroup(const char * msg, gid_t id, bool put_logend = true);
	void LogUsers();
	void LogEffectiveGroups(std::vector<gid_t> & tab);
	void LogGroups();
	bool DropPrivileges(const std::string & user, uid_t uid, gid_t gid, bool additional_groups);

	// !! dodac do session managera?
	time_t last_sessions_save;
};

#endif