#
# configmanager.py
#
# Copyright (C) 2007 Andrew Resch ('andar') <andrewresch@gmail.com>
# 
# Deluge is free software.
# 
# You may redistribute it and/or modify it under the terms of the
# GNU General Public License, as published by the Free Software
# Foundation; either version 2 of the License, or (at your option)
# any later version.
# 
# deluge is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with deluge.    If not, write to:
# 	The Free Software Foundation, Inc.,
# 	51 Franklin Street, Fifth Floor
# 	Boston, MA    02110-1301, USA.
#
#    In addition, as a special exception, the copyright holders give
#    permission to link the code of portions of this program with the OpenSSL
#    library.
#    You must obey the GNU General Public License in all respects for all of
#    the code used other than OpenSSL. If you modify file(s) with this
#    exception, you may extend this exception to your version of the file(s),
#    but you are not obligated to do so. If you do not wish to do so, delete
#    this exception statement from your version. If you delete this exception
#    statement from all source files in the program, then also delete it here.

import gobject

from deluge.log import LOG as log
from deluge.config import Config

class _ConfigManager:
    def __init__(self):
        log.debug("ConfigManager started..")
        self.config_files = {}
        # Set a 5 minute timer to call save()
        gobject.timeout_add(300000, self.save)

    def __del__(self):
        log.debug("ConfigManager stopping..")
        del self.config_files

    def close(self, config):
        """Closes a config file."""
        try:
            del self.config_files[config]
        except KeyError:
            pass
            
    def save(self):
        """Saves all the configs to disk."""
        for key in self.config_files.keys():
            self.config_files[key].save()
        # We need to return True to keep the timer active
        return True
        
    def get_config(self, config_file, defaults=None):
        """Get a reference to the Config object for this filename"""
        log.debug("Getting config '%s'", config_file)
        # Create the config object if not already created
        if config_file not in self.config_files.keys():
            self.config_files[config_file] = Config(config_file, defaults)
        
        return self.config_files[config_file]
        
# Singleton functions
_configmanager = _ConfigManager()

def ConfigManager(config, defaults=None):
    return _configmanager.get_config(config, defaults)

def close(config):
    return _configmanager.close(config)