/*
 * This file is a part of Winix
 * and is not publicly distributed
 * 
 * Copyright (c) 2010, Tomasz Sowa
 * All rights reserved.
 * 
 */
 
#include <algorithm>
#include <ctime>
#include "ticketinfo.h"
#include "core/error.h"
#include "core/log.h"


namespace Ticket
{



TicketInfo::TicketInfo()
{
	Clear();
}


void TicketInfo::SetTDb(TDb * ptdb)
{
	tdb = ptdb;
}


void TicketInfo::SetDb(Db * pdb)
{
	db = pdb;
}


void TicketInfo::SetSystem(System * psystem)
{
	system = psystem;
}

void TicketInfo::Clear()
{
	item.Clear();
	is_ticket = false;
	ticket.Clear();
	ticket_tab.clear();
}


void TicketInfo::ReadTicket(long dir_id)
{
	if( tdb->GetTicketByDirId(dir_id, ticket) == WINIX_ERR_OK )
	{
		is_ticket = true;
		db->GetItemById(ticket.item_id, item);
	}
}


bool TicketInfo::SortTicketsFun(const Ticket & t1, const Ticket & t2)
{
	return t1.sort_id > t2.sort_id;
}


void TicketInfo::SortTickets()
{
std::vector<Ticket>::iterator i;

	for(i=ticket_tab.begin() ; i!=ticket_tab.end() ; ++i)
	{
		Item * dir   = system->dirs.GetDir(i->dir_id);
		i->sort_id = ( dir ) ? (unsigned long)mktime(&dir->date_creation) : 0;
	}

	std::sort(ticket_tab.begin(), ticket_tab.end(), SortTicketsFun);
}



void TicketInfo::MarkAllConfToDelete()
{
	ConfTab::iterator i = conf_tab.begin();

	for( ; i!=conf_tab.end() ; ++i)
		i->second.to_delete = true;
}


void TicketInfo::DeleteAllMarkedConf()
{
	ConfTab::iterator inext;
	ConfTab::iterator i = conf_tab.begin();

	while( i != conf_tab.end() )
	{
		inext = i;
		++inext;

		if( i->second.to_delete )
		{
			log << log3 << "Ticket: deleting ticket conf for dir id: " << i->first << logend;
			conf_tab.erase(i);
		}

		i = inext;
	}
}


bool TicketInfo::GetConfContent(const std::string & path)
{
	long path_dir_id;

	if( system->dirs.AnalyzePath(path, path_dir_id, path_dir, path_file) != 0 )
	{
		log << log1 << "Ticket: there is no file: " << path << logend;
		return false;
	}

	Error err = db->GetItem(path_dir_id, path_file, item_conf);
	
	if( err == WINIX_ERR_NO_ITEM )
	{
		log << log1 << "Ticket: there is no file: " << path << " in the database" << logend;
		return false;
	}
	
	if( err != WINIX_ERR_OK )
	{
		log << log1 << "Ticket: db problem with fetching: " << path << logend;
		return false;
	}

return true;
}


bool TicketInfo::ParseTicketConf(long mount_dir_id, const std::string & path)
{
	log << log3 << "Ticket: parsing conf file: " << path << logend;

	int code = ticket_parser.Parse(item_conf.content, conf_tab[mount_dir_id].conf);
	conf_tab[mount_dir_id].file_name = path;

return code == WINIX_TICKET_ERR_OK;
}


// if skip_existing_configs is true then only new config files will be parsed
void TicketInfo::ReadTicketConf(Mounts & mounts, bool skip_existing_configs)
{
	Mounts::MountTab::const_iterator i;
	const Mounts::MountTab * mtab = mounts.GetMountTab();

	// loop through all mount points
	for(i=mtab->begin() ; i!=mtab->end() ; ++i)
	{
		const Mount & mount = i->second;

		if( mount.param[mount_par_ticket_conf].defined &&
			mount.param[mount_par_ticket_conf].arg.size() == 1 )
		{	
			const std::string & file_name = mount.param[mount_par_ticket_conf].arg[0];
			ConfTab::iterator c = conf_tab.find(mount.dir_id);
			bool exists = (c != conf_tab.end() && c->second.file_name == file_name);

			if( exists )
				c->second.to_delete = false;

			if( !(skip_existing_configs && exists) )
			{
				if( GetConfContent(file_name) )
				{
					if( !ParseTicketConf(mount.dir_id, file_name) )
						conf_tab[mount.dir_id].to_delete = true;
				}
				else
				{
					if( exists )
						c->second.to_delete = true;
				}
			}
		}
	}
}



// if skip_existing_configs is true then only new config files will be parsed
void TicketInfo::ReadTicketConf(bool skip_existing_configs)
{
	MarkAllConfToDelete();
	ReadTicketConf(system->mounts, skip_existing_configs);
	DeleteAllMarkedConf();
}



} // namespace