import sys, os
from ConfigParser import SafeConfigParser
import logging
import mySQLHandler

# load config file
containing_dir = os.path.abspath(os.path.dirname(sys.argv[0]))
cfg_file = SafeConfigParser()
path_to_cfg = os.path.join(containing_dir, 'config.cfg')
cfg_file.read(path_to_cfg)
logging_dest = cfg_file.get('logging','dest')

mysql_hostname = cfg_file.get('mysql', 'hostname')
mysql_username = cfg_file.get('mysql', 'username')
mysql_password = cfg_file.get('mysql', 'password')
mysql_database = cfg_file.get('mysql', 'database')

class Singleton(type):
	_instances = {}

	def __call__(cls, *args, **kwargs):
		if cls not in cls._instances.keys():
			cls._instances[cls] = super(Singleton, cls).__call__(*args, **kwargs)
		return cls._instances[cls]

class LoggerManager(object):
	__metaclass__ = Singleton

	_loggers = {}

	def __init__(self, *args, **kwargs):
		pass

	@staticmethod
	def getLogger(name=None):
		#configure logging
		LoggerManager._loggers[name] = logging.getLogger(name)
		LoggerManager._loggers[name].setLevel(logging.INFO)
		
		if logging_dest == 'mysql':
			db = {'host':mysql_hostname, 'port':3306, 'dbuser':mysql_username, 'dbpassword':mysql_password, 'dbname':mysql_database}
		
			sqlh = mySQLHandler.mySQLHandler(db)
			LoggerManager._loggers[name].addHandler(sqlh)
		else:
			fileh = logging.FileHandler('actions.log')
			fileh.setFormatter(logging.Formatter('%(asctime)s - %(module)s - %(message)s'))
			LoggerManager._loggers[name].addHandler(fileh)
		
		requests_log = logging.getLogger("requests")
		requests_log.setLevel(logging.WARNING)
		
		return LoggerManager._loggers[name]