import CryptoBox
import CryptoBoxWebserverSettings
import CryptoBoxWebserverRender
website = CryptoBoxWebserverRender.CryptoBoxWebserverRender()

class CryptoBoxWebserverSites(CryptoBox.CryptoBoxProps, CryptoBoxWebserverSettings.CryptoBoxWebserverSettings):
	'''
	url2func = {'index':'show_status','doc':'show_doc','logs':'show_log'}
	'''

	def __prepare(self, action="show_status"):
		'''handles stuff that all sites need as preparation

		The default site to render is 'show_status'.
		Self.settings is filled by the following methodcall
		thus every rendered site will get actual values from the configfile.
		After that the concrete site-method (e.g. doc) may set individual values.
		'''

		self.setSettings(self)
		#self.settings
		self.settings["Data.Action"] = action
		#TODO: check ssl status
		

	def __sanitize_input(self, evilparams):
		'''mistrusts every given parameter and wipes crap out

		Every single site method has to call this before even looking
		at url-given parameters.
		This has to be called manually, since I don't see any other way of
		sanitizing input automatically for all sites.'''
		#TODO: generate languages from existing hdf files
		niceparams = { 'weblang': ('', 'de', 'en'), 
				'loglevel': ('','info', 'warn', 'debug', 'error'),
				'type': ('reboot', 'poweroff')
				}
		for evilkey in evilparams.keys():
			## if the param isn't in the niceparams list, ignore it
			if not niceparams.get(evilkey):
				self.log.warn("irgnoring \"%s\"" % evilkey)
				return False
				#TODO: until now only a warning message is printed
			## if the param has no such value, set it to a default (the first in the list)
			if evilparams.get(evilkey) not in niceparams.get(evilkey): 
				self.log.warn("\"%s\" not in weblang %s"% (evilkey, niceparams.get(evilkey)))
				#TODO: set it to: niceparams.get(evilkey)[0]))
		return 

	def __check_config(self):
		#TODO
		pass
	
	def __check_init_running(self):
		#TODO
		pass

	######################################################################
	## put real sites down here and don't forget to expose the mat the end

	def logs(self, loglevel=""):
		'''displays a HTML version of the logfile

		The loglevel has to be set and nothing else, as we just log in
		english.
		Be awar not to name this method just "log" as it seems to be a
		reserved word.'''
		self.__sanitize_input({"loglevel":loglevel})
		self.__prepare("show_log")
		import filehandling
		self.settings["Data.Log"] = filehandling.read_file(self.settings["Log.Details"])
		#TODO: give the logs a nice format for displaying as html
		# sed s/$/<\/br>/
		return website.render(self)

	def status(self, weblang=""):
		'''shows the current status of the box
		'''
		self.__sanitize_input({"weblang":weblang})
		self.__prepare("show_status")
		if not self.__check_config():
			self.settings["Data.Warning"] = "NotInitialized"
			self.settings["Data.Action"] = "form_init"
		elif self.__check_init_running():
			self.settings["Data.Warning"] = "InitNotFinished"
			self.settings["Data.Action"] = "empty"
			self.settings["Data.Redirect.Action"] = "form_config"
			self.settings["Data.Redirect.Delay"] = "30"
		else:
			self.settings["Data.Action"] = "show_status"
			self.settings["Data.Redirect.Delay"] = "60"
		return website.render(self)
	
	def config(self,weblang=""):
		pass

	def doc(self,action="",page="",weblang=""):
		'''prints the offline wikipage

		TODO: action is unnessessary, remove here and from all html
		files in doc/html/[de|en]/*
		'''
		self.__prepare("show_doc")
		if page:
			self.settings["Data.Doc.Page"] = page
		if page == "":
			self.settings["Data.Doc.Page"] ="CryptoBoxUser"
		if not weblang == "":
			self.settings["Settings.DocLang"] = weblang
		return website.render(self)

	def system(self,type=""):
		self.__prepare("form_system")
		if type == "reboot":
			self.settings["Data.Success"] = "ReBoot"
			self.settings["Data.Redirect.Action"] = "show_status"
			self.settings["Data.Redirect.Delay"] = "180"
			self.log.info("TODO: call function for system reboot")
		elif type == "poweroff":
			self.settings["Data.Success"] = "PowerOff"
			self.log.info("TODO: call function for system shutdown")
		else:
			self.log.warn("someone tried to shutdown the system")
		return website.render(self)

	def index(self):
		self.__prepare("show_status")
		return website.render(self)
		

		'''
		## DONE: this functions are pythonized
		#################### show_log #######################
		##################### doc ############################
		##################### poweroff ######################
		##################### reboot ########################

		## but there are even more TODO
		##################### check for a harddisk ##########################
		# catch this error, to prevent all following actions from execution #
		#####################################################################
		elif not True: #TODO: replace True with check for hard disk is_harddisk_available()
			settings["Data.Error"] = "NoHardDisk"
		#-------------------------------------------------------#
		# here you may define all cases that require a harddisk #
		#-------------------------------------------------------#
		################ umount_do #######################
		elif action == "unmount_do":
			if device == "":
				#TODO: debug message: "invalid device: "+ device
				settings["Data.Warning"] = "InvalidDevice"
				settings["Data.Action"] = "empty"
			elif not True: #TODO: replace True with check_config()
				settings["Data.Warning"] = "NotInitialized"
				settings["Data.Action"] = "form_init"
			elif True: #TODO: replace True with check_init_running()
				settings["Data.Warning"] = "InitNotFinished"
				settings["Data.Action"] = "empty"
				settings["Data.Redirect.Action"] = "form_config"
				settings["Data.Redirect.Delay"] = "30"
			elif not True: #TODO: replace True with check_mounted(device)
				settings["Data.Warning"] = "NotMounted"
				settings["Data.Action"] = "show_volume"
			else: #unmount
				#TODO: replace this line with umount_vol(device)
				if True: #TODO: replace True with check_mounted(device)
					settings["Data.Warning"] = "UmountFailed"
					settings["Data.Action"] = "show_volume"
				else:
					settings["Data.Action"] = "show_volume"
		################ mount_do ########################					
		elif action == "mount_do":
			if device != "":
				pass #TODO: is_encrypted = check_device_encryption(device)
			if device == "":
				#TODO: debug_msg(DEBUG_INFO, "invalid device: " + device)
				settings["Data.Warning"] = "InvalidDevice"
				settings["Data.Action"] = "empty"
			elif not True: #TODO: replace True with check_config()
				settings["Data.Warning"] = "NotInitialized"
				settings["Data.Action"] = "form_init"
		#at cryptobox.pl line 568
		'''

	############################################################################
	## to make the sites visible through the webserver they must be exposed here
	index.exposed = True
	doc.exposed = True
	logs.exposed = True
	system.exposed = True
	status.exposed = True