/*
 * This file is a part of Winix
 * and is not publicly distributed
 * 
 * Copyright (c) 2008-2011, Tomasz Sowa
 * All rights reserved.
 * 
 */
 
#ifndef headerfile_winix_db_db
#define headerfile_winix_db_db

#include <vector>
#include <map>
#include <cstdio>
#include <ctime>
#include <cstring>

#include "dbbase.h"
#include "dbitemquery.h"
#include "dbitemcolumns.h"

#include "core/item.h"
#include "core/user.h"
#include "core/group.h"
#include "core/dircontainer.h"
#include "core/ugcontainer.h"





class Db : public DbBase
{
public:

	// !! przerobic tak aby GetItem zwracalo wszystkie pozycja
	// !! GetFile tylko dla plikow
	// !! GetDir tylko dla katalogow
	// !! GetFile i GetDir beda uzywac GetItem
	
	

	bool GetUserPass(const std::wstring & login, long & user_id, UserPass & up);
	Error AddUser(User & user, const std::wstring & password, const std::string & password_encrypted, int pass_type, bool pass_hash_salted);
	Error ChangePass(const std::wstring & login, const std::wstring & password, const std::string & password_encrypted, int pass_type, bool pass_hash_salted);

	Error AddItem(Item & item);
	Error EditItemById(Item & item, bool with_url = true);
	Error EditItemByUrl(Item & item, bool with_url = true);



	// !! nie zwracac zadnych kodow bledow?
	void GetItems(std::vector<Item> & item_tab, const DbItemQuery & item_query);
	void GetItems(std::vector<long> & item_tab, const DbItemQuery & item_query);
	Error GetItem(Item & item, const DbItemQuery & item_query);

	bool GetPriv(Item & item, long id);
	Error EditPrivById(Item & item, long id); // !! dlaczego tu nie ma const?
	Error EditParentUrlById(Item & item, long id);
	Error EditFileById(const Item & item, long id); // file_path, file_fs, file_type
	Error EditHasThumbById(bool has_thumb, long id);
	Error EditMetaById(const Space & meta, long id);

	Error DelDirById(long id);
	Error DelFileById(long file_id);
	Error DelSymlinkById(long symlink_id);

	Error EditSubjectById(Item & item, long id);


	Error DelItem(const Item & item);
	void GetDirs(DirContainer & dir_tab);
	void GetUsers(UGContainer<User> & user_tab);
	void GetGroups(UGContainer<Group> & group_tab);

	// !! nowy interfejs
	long Size(long parent_id, Item::Type type = Item::none);

	Error GetItemById(long item_id, Item & item);
	Error GetItem(long parent_id, const std::wstring & url, Item & item);
	Error EditLinkItem(long id, const std::wstring & link_to, int link_redirect);
	Error EditTemplateItemById(long id, const std::wstring & new_html_template);

	long GetItemId(long parent_id, const std::wstring & url, Item::Type type);
	long GetFileId(long parent_id, const std::wstring & url);
	long GetDirId(long parent_id, const std::wstring & url);

	Error AddHardLink(Item & item);
	Error EditSortIndexItemById(long id, int sort_index);
	


protected:

	DbTextStream query, query_create_url;
	std::wstring temp_url;
	Item dir_temp;
	Item get_item_temp;
	std::wstring iq_id_list;
	DbItemColumns item_cols;
	TextStream<std::wstring> meta_stream;


	bool AddItemCreateUrlSubject(Item & item);
	
	Error AddItemIntoContent(Item & item);
	Error AddItemIntoItem(Item & item);
	
	Error EditItemInItem(Item & item, bool with_url);
	Error EditItemInContent(Item & item);
	Error EditItemGetIdsByUrl(Item & item);
	long GetContentId(long item_id);
	

	Error DelItemDelItem(long item_id, int type);
	Error DelItemDelContent(long content_id);
	
	Error IncrementContentRef(long content_id);
	Error DecrementContentRef(long content_id);

	void GetItemsQuerySelect(const DbItemQuery & iq, DbTextStream & query, bool skip_other_sel);
	void GetItemsQueryJoin(const DbItemQuery & iq, DbTextStream & query);
	void GetItemsQueryWhere(const DbItemQuery & iq, DbTextStream & query);
	void GetItemsQueryOrder(const DbItemQuery & iq, DbTextStream & query);
	void GetItemsQueryLimit(const DbItemQuery & iq, DbTextStream & query);
	PGresult * GetItemsQuery(const DbItemQuery & iq, DbTextStream & query, bool skip_other_sel = false);
	PGresult * GetItemsQuery(const DbItemQuery & iq, bool skip_other_sel = false);

};


#endif