#!/usr/bin/env python

import string, os

class TemplateWriter:
	templatefile = "gerippe.tmpl"
	tmpldir = "./placeholder"
	contentdir = "./content"
	tmplfileext = ".tmpl"
	outfileext = ".html"
	ignore_items = [ ".svn" ]

	def __init__(self):
		pass
	

	def get_sorted(self, list):
		result = list[:]
		result.sort()
		return result


	def string_replace(self, infile, outfile):
		template = open(infile).read()
		open(outfile,"w").write(template)
		text = {}
		for tmpl in self.get_sorted(os.listdir(self.tmpldir)):
			if tmpl in self.ignore_items:
				continue
			tmplfile = str(self.tmpldir+"/"+tmpl)
			if not os.path.isfile(tmplfile):
				print "    str.repl: cancelling "+tmplfile+" - not a file"
			else:
				template = open(outfile).read()
				print "    str.repl: using "+tmplfile
				newcontent = open(tmplfile).read()
				text[tmpl] = string.replace(template,"<!-- $"+tmpl+"$ -->",newcontent)
				open(outfile,"w").write(text[tmpl])
		return

	def build_sites(self):
		'''use all files ending with .tmpl'''
		for tmplfile in self.get_sorted(os.listdir("./")):
			if tmplfile in self.ignore_items:
				continue
			if tmplfile.rfind(self.tmplfileext) >= 1:
				infile = tmplfile
				(tmplfilename, tmplfileext)=os.path.splitext(tmplfile)
				outfile = tmplfilename + self.outfileext
				print "building: "+tmplfile+" -> "+outfile
				self.string_replace(infile, outfile)
		return

	def build_sites_from_gerippe(self):
		print "Let's build some html files from: "+self.templatefile
		for html in self.get_sorted(os.listdir(self.contentdir)):
			if html in self.ignore_items:
				continue
			print "  building: "+html+self.outfileext
			entries = ""
			for entry in self.get_sorted(os.listdir(self.contentdir+"/"+html)):
				if entry in self.ignore_items:
					continue
				print "    adding entry: "+entry
				entries += open(self.contentdir+"/"+html+"/"+entry).read()

			template = open(self.templatefile).read()
			text = string.replace(template,"<!-- $entries$ -->",entries)
			infile = html+".tmp"
			open(infile,"w").write(text)
			outfile = html+self.outfileext
			self.string_replace(infile, outfile)
		return
		

if __name__ == "__main__":
	foo = TemplateWriter()
	foo.build_sites_from_gerippe()
	#foo.string_replace("gerippe.tmpl", "gerippe.html) # for single tests
	#foo.build_sites() # oldfashiond version