#!/usr/bin/env python2.4

import os
import sys
try:
	import translate.storage.po, translate.convert.pot2po, translate.tools.pocompile
except ImportError, errMsg:
	sys.stderr.write("Failed to import a python module of the 'translate' package!\n")
	sys.stderr.write("Please install the appropriate files - for debian just do 'apt-get install translate-toolkit'.\n")
	sys.stderr.write("\tOriginal error message: %s\n\n" % errMsg)
	sys.exit(1)
try:
	import neo_cgi, neo_util
except ImportError, errMsg:
	sys.stderr.write("Failed to import a python module of the 'clearsilver' package!\n")
	sys.stderr.write("Please install the appropriate files - for debian just do 'apt-get install python-clearsilver'.\n")
	sys.stderr.write("\tOriginal error message: %s\n\n" % errMsg)
	sys.exit(1)

LANGUAGE_FILE = 'language.hdf'
GETTEXT_DOMAIN = 'cryptobox-server'
DEFAULT_LANG = 'en'
LANG_DIR = 'intl'
MAIL_ADDRESS = 'translate@cryptobox.org'
## the complete list of languages wastes a lot of space - for now we use only a few
#ALL_LANGUAGES = "af aka am ar bn ca cs da de el en es et eu fa fi fr fur gl he hi hr hu hy is it ja ka kg ko ku lt lv mr ms mt nb ne nl nn ns pa pl pt ru sl sr st sv tr uk ve vi xh".split(" ")
ALL_LANGUAGES = "cs da de en eo es fi fr hu it ja nl pl pt ru sl sv".split(" ")


# --------------=-=-=- functions -=-=-=--------------------

def process_language_file(hdf_file, po_dir, textDomain):
	## prepare hdf
	if not os.path.isfile(hdf_file) or not os.access(hdf_file, os.R_OK):
		sys.stderr.write("Unable to read the hdf file: %s" % hdf_file)
		return
	if not os.path.isdir(po_dir):
		os.mkdir(po_dir)
	pot_file = os.path.join(po_dir, "%s.pot" % textDomain)
	hdf = neo_util.HDF()
	hdf.readFile(hdf_file)
	## update pot
	if not os.path.isfile(pot_file):
		sys.stdout.write("Creating: %s\n" % pot_file)
		pot = translate.storage.po.pofile(encoding="utf-8")
		pot.makeheader(pot_creation_date=True)
		pot.updateheader(add=True, Project_Id_Version='CryptoBox-Server 0.3', pot_creation_date=True, language_team='sense.lab <devel@senselab.org>', Report_Msgid_Bugs_To=MAIL_ADDRESS, encoding='utf-8', Plural_Forms=['nplurals=2','plural=(n != 1)'])
		#TODO: somehow we need 'updateheaderplural'
	else:
		sys.stdout.write("Loading: %s\n" % pot_file)
		pot = translate.storage.po.pofile.parsefile(pot_file)
	def walk_hdf(prefix, node):
		def addPoItem(hdf_node):
			for (key,value) in hdf_node.attrs():
				if key == "LINK": return
			if not hdf_node.value(): return
			item = pot.findunit(hdf_node.value())
			if not item:
				item = pot.addsourceunit(hdf_node.value())
				item.addlocation("%s%s" % (prefix,hdf_node.name()))
		while node:
			if node.name():
				new_prefix = prefix + node.name() + '.'
			else:
				new_prefix = prefix
			addPoItem(node)
			walk_hdf(new_prefix, node.child())
			node = node.next()
	walk_hdf("",hdf)
	pot.savefile(pot_file)
	p = translate.storage.po.pofile(pot_file)
	for ld in ALL_LANGUAGES:
		if not os.path.isdir(os.path.join(po_dir,ld)): os.mkdir(os.path.join(po_dir, ld))
		po_file = os.path.join(po_dir, ld, "%s.po" % textDomain)
		if not os.path.isfile(po_file):
			translate.convert.pot2po.convertpot(file(pot_file), file(po_file,'w'), None)
		else:
			po2_file = po_file + '.new'
			translate.convert.pot2po.convertpot(file(pot_file), file(po2_file,'w'), file(po_file))
			os.rename(po2_file, po_file)
		## compile po file
		mo_file = po_file[:-3] + '.mo'
		translate.tools.pocompile.convertmo(file(po_file), file(mo_file,'w'), file(pot_file))




# ----------------=-=-=- main -=-=-=-----------------------


if __name__ == "__main__":

	## the project directory is the parent of the directory of this script
	PROJECT_DIR = os.path.abspath(os.path.join(os.path.dirname(sys.argv[0]),os.path.pardir))

	process_language_file(os.path.join(PROJECT_DIR,'templates',LANGUAGE_FILE), os.path.join(PROJECT_DIR,LANG_DIR), GETTEXT_DOMAIN)

	for root,dirs,files in os.walk(os.path.join(PROJECT_DIR,'plugins')):
		if LANGUAGE_FILE in files:
			process_language_file(os.path.join(root,LANGUAGE_FILE), os.path.join(root,LANG_DIR), "%s-feature-%s" % (GETTEXT_DOMAIN,os.path.basename(root)))