/*
 * This file is a part of CMSLU -- Content Management System like Unix
 * and is not publicly distributed
 * 
 * Copyright (c) 2008-2009, Tomasz Sowa
 * All rights reserved.
 * 
 */
 
#include "templates.h"
#include "../core/data.h"
#include "../core/request.h"
#include "../core/misc.h"




namespace TemplatesFunctions
{


static std::vector<long> priv_user_table;
static size_t priv_user_index;
static size_t priv_user_reqid = 0;



void priv_user_tab_init()
{
	priv_user_reqid = request.id;
	priv_user_table.clear();	
	
	if( !request.session->puser )
	{
		// not logged
		priv_user_table.push_back(request.item.user_id);
	}	
	else	
	if( request.session->puser->super_user )
	{
		// super user is allowed to change to any user
		for(size_t i=0 ; i<data.users.Size() ; ++i)
			priv_user_table.push_back( data.users[i].id );
		
		// as well to nobody (-1)
		priv_user_table.push_back(-1);
	}
	else	
	{
		// others
		priv_user_table.push_back(request.item.user_id);
	}
}


void priv_user_tab(Info & i)
{
	if( priv_user_reqid != request.id )
		priv_user_tab_init();
	
	priv_user_index = i.iter;
	i.result = priv_user_index < priv_user_table.size();
}




void priv_user_tab_name(Info & i)
{
	if( priv_user_index < priv_user_table.size() )
	{
		long uid = priv_user_table[priv_user_index];
		
		if( uid != -1 )
		{
			User * puser = data.users.GetUser( uid );
			
			if( puser )
				HtmlEscape(i.out, puser->name);
			else
				i.out << "user_id: " << uid;
		}
		else
		{
			HtmlEscape(i.out, data.priv_no_user);
		}
	}
}



void priv_user_tab_isdefault(Info & i)
{
	if( priv_user_index < priv_user_table.size() )
	{
		long uid = priv_user_table[priv_user_index];
		
		if( uid == request.item.user_id )
			i.result = true;
	}
}








static std::vector<long> priv_group_table;
static size_t priv_group_index;
static size_t priv_group_reqid = 0;



void priv_group_tab_init()
{
	priv_group_reqid = request.id;
	priv_group_table.clear();	
	
	if( !request.session->puser )
	{
		// not logged
		priv_group_table.push_back(request.item.group_id);
	}	
	else	
	if( request.session->puser->super_user )
	{
		// super user is allowed to change to any group	
		for(size_t i=0 ; i<data.groups.Size() ; ++i)
			priv_group_table.push_back( data.groups[i].id );
		
		// as well to nogroup (-1)
		priv_group_table.push_back(-1);
	}
	else	
	if( request.session->puser->id == request.item.user_id )
	{
		bool was_current_group = false;
		// owner of the item -- is allowed to change only to a group in which he belongs to
		for(size_t i=0 ; i<request.session->puser->groups.size() ; ++i)
		{
			priv_group_table.push_back( request.session->puser->groups[i] );
			
			if( request.item.group_id == request.session->puser->groups[i] )
				was_current_group = true;
		}
		
		// we're showing the item.group_id if it's different
		if( !was_current_group )
			priv_group_table.push_back(request.item.group_id);
		
		// switching to -1 is allowed too
		priv_group_table.push_back(-1);
	}
	else
	{
		// not the owner and not a super user -- the same as not logged
		priv_group_table.push_back(request.item.group_id);
	}
}


void priv_group_tab(Info & i)
{
	if( priv_group_reqid != request.id )
		priv_group_tab_init();
	
	priv_group_index = i.iter;
	i.result = priv_group_index < priv_group_table.size();
}




void priv_group_tab_name(Info & i)
{
	if( priv_group_index < priv_group_table.size() )
	{
		long gid = priv_group_table[priv_group_index];
		
		if( gid != -1 )
		{
			Group * pgroup = data.groups.GetGroup( gid );
			
			if( pgroup )
				HtmlEscape(i.out, pgroup->name);
			else
				i.out << "group_id: " << gid;
		}
		else
		{
			HtmlEscape(i.out, data.priv_no_group);
		}
	}
}



void priv_group_tab_isdefault(Info & i)
{
	if( priv_group_index < priv_group_table.size() )
	{
		long gid = priv_group_table[priv_group_index];
		
		if( gid == request.item.group_id )
			i.result = true;
	}
}







} // namespace TemplatesFunctions