import os
try:
	import neo_cgi, neo_util, neo_cs
except ImportError:
	raise ImportError("could not import clearsilver modules! Try apt-get install python-clearsilver.")

class CryptoBoxWebserverRender:
	'''renders the site with clearsilver template and languagefile

	'''
	def render(self, website):
		'''renders from clearsilver templates and returns the resulting html

		Gets a dictionary with all settings, nessessary for rendering.
		In fact the dictionary is a copy of the CryptoBoxWerbserverSite
		object, that calls this render method. This might be bloat but
		this way the render method has always a complete, actual set of values.
		'''

		website.log.info("rendering site: "+website.settings["Data.Action"])

		cs_path = website.cbxPrefs["Locations"]["TemplateDir"]+"/main.cs"
		if not os.access(cs_path, os.R_OK):
			website.log.error("Couldn't read cs file: %s" % cs_path)
			return "Couldn't read cs file: %s" % cs_path

		#hdf_path = website.cbxPrefs["Locations"]["LangDir"]+"/"+website.cbxPrefs["WebSettings"]["Language"]+".hdf"
		# use the user selected language ('Settings.Language') instead of the configured
		hdf_path = website.cbxPrefs["Locations"]["LangDir"]+"/"+website.settings["Settings.Language"]+".hdf"
		if not os.access(hdf_path, os.R_OK):
			website.log.error("Couldn't read hdf file: %s" % hdf_path)
			return "Couldn't read hdf file: %s" % hdf_path

		hdf = neo_util.HDF()
		hdf.readFile(hdf_path)
		website.log.debug(website.settings)
		for key in website.settings.keys():
			hdf.setValue(key,str(website.settings[key]))
		cs = neo_cs.CS(hdf)
		cs.parseFile(cs_path)
		return cs.render()