import csv
import ConfigParser
import apparatinterface
import phoneinterface
import fetapd

class ConfigurationReader(object):
	DEFAULTS = {
		'gpio_numbering': 'BOARD',
		'pin_nsa': '11',
		'pin_nsi': '13',
		'pin_gabelschalter': '15',
		'pin_schauzeichen': '12',
		'pin_wecker_enable': '16',
		'pin_wecker_a': '18',
		'pin_wecker_b': '19',
		'invert_gs' : 'false',

		'default_proxy': ''
	}


	def __init__(self):
		self.__cp = ConfigParser.ConfigParser(defaults=ConfigurationReader.DEFAULTS)
		self.__pinconfig = None
		self.__dialconfig = None
		self.__proxyconfigs = None
		self.__phoneconfig = None


	def __get_global_val(self, option):
		return self.__cp.get('fetapd', option)


	def __get_global_val_int(self, option):
		return int(self.__cp.get('fetapd', option))

	def __get_global_val_bool(self, option):
		return self.__cp.get('fetapd', option).lower() in ['true', 'yes', '1']


	def __get_proxy_val(self, proxyname, option):
		return self.__cp.get('proxy_'+proxyname, option)


	def __get_proxy_val_int(self, proxyname, option):
		return self.__cp.getint('proxy_'+proxyname, option)


	def __read_shortcuts(self):
		fname = self.__get_global_val('shortcuts_file')
		shortcuts = {}
		with open(fname, 'r') as csvfile:
			for row in csv.DictReader(csvfile):
				print 'row', row
				shortcuts[row['shortcut']] = row['number']
		print 'shortcuts:', shortcuts
		return shortcuts

	def __read_blacklist(self):
		fname = self.__get_global_val('blacklist_file')
		blacklist = []
		with open(fname, 'r') as csvfile:
			for row in csv.DictReader(csvfile):
				blacklist.append(row['number'])
		return blacklist

	def read(self, f):
		self.__cp.read(f)

		print 'pin_nsa:', self.__get_global_val_int('pin_nsa'),
		self.__pinconfig = apparatinterface.FeApPinConfiguration(
			gpio_numbering = self.__get_global_val('gpio_numbering'),
			pin_nsa = self.__get_global_val_int('pin_nsa'),
			pin_nsi = self.__get_global_val_int('pin_nsi'),
			pin_gabelschalter = self.__get_global_val_int('pin_gabelschalter'),
			pin_schauzeichen = self.__get_global_val_int('pin_schauzeichen'),
			pin_wecker_enable = self.__get_global_val_int('pin_wecker_enable'),
			pin_wecker_a = self.__get_global_val_int('pin_wecker_a'),
			pin_wecker_b = self.__get_global_val_int('pin_wecker_b'),
			invert_gs = self.__get_global_val_bool('invert_gs'),
		)

		self.__dialconfig = fetapd.DialConfiguration(
			self.__get_global_val_int('dial_timeout'),
			self.__read_shortcuts(),
			self.__read_blacklist(),
		)

		proxyconfigs = []
		for secname in self.__cp.sections():
			if secname.startswith('proxy_'):
				proxyname = secname[6:]
				proxyconfig = phoneinterface.PhoneProxyConfiguration(
					name = proxyname,
					proxy = self.__get_proxy_val(proxyname, 'proxy'),
					identity = self.__get_proxy_val(proxyname, 'identity'),
					username = self.__get_proxy_val(proxyname, 'username'),
					password = self.__get_proxy_val(proxyname, 'password'),
					realm = self.__get_proxy_val(proxyname, 'realm'),
					prefix = self.__get_proxy_val(proxyname, 'prefix')
				)
				proxyconfigs.append(proxyconfig)

		self.__phoneconfig = phoneinterface.PhoneConfiguration(
			sound_device = self.__get_global_val('sound_device'),
			incoming_timeout = self.__get_global_val_int('incoming_timeout'),
			linphone_config = self.__get_global_val('linphone_config'),
			default_proxy = self.__get_global_val('default_proxy'),
			stun_server = self.__get_global_val('stun_server'),
			proxies = proxyconfigs
		)


	@property
	def pinconfig(self):
		return self.__pinconfig


	@property
	def dialconfig(self):
		return self.__dialconfig


	@property
	def phoneconfig(self):
		return self.__phoneconfig