#!/usr/bin/env python

# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is Ubiquity.
#
# The Initial Developer of the Original Code is Mozilla.
# Portions created by the Initial Developer are Copyright (C) 2009
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
#   Christian Sonne <cers@geeksbynature.dk>
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK ***** */

import os
import re

PATH = "."


# get list of templates in ubiquity/localization/templates/
templates = map(lambda t: t[:-4],os.listdir(os.path.join(PATH,"templates")))


def find_msgids(filepath):
    template_strings = []
    parsing_msgid = False
    msgid = []
    for line in open(filepath).readlines():
        if parsing_msgid:
            match = re.match("\"(.*)\"",line)
            if match:
                msgid.append(line)
            else:
                template_strings.append(msgid)
                msgid = []
                parsing_msgid = False
        else:
            match = re.match("msgid \"(.*)\"",line)
            if match:
                msgid.append(match.group(1))
                parsing_msgid = True
    return template_strings

# find msgid's in the templates 
template_strings = {}
for template in templates:
    filepath = os.path.join(PATH,"templates",template+".pot")
    template_strings[template] = find_msgids(filepath)


# find available languages
languages = []
for lang in os.listdir(PATH):
    if os.path.isdir(lang) and lang != "templates":
        languages.append(lang)

# find missing and superfluous keys
for lang in languages:
    translations = map(lambda t: t[:-3],os.listdir(os.path.join(PATH,lang)))
    for template in templates:
        if template not in translations:
            print "! Missing translation: %s/%s.po" % (lang,template)
        else:
            translation_strings = find_msgids(os.path.join(PATH,lang,template+".po"))
            missing_strings = []
            for msgid in template_strings[template]:
                if msgid not in translation_strings:
                    missing_strings.append(msgid)
            if missing_strings:
                print "! %d keys are missing in %s(%s):" % (len(missing_strings),template,lang)
                print "----------------------------------------------------"
                for string in missing_strings:
                    print string
                    print "----------------------------------------------------"
            superfluous_strings = []
            for string in translation_strings:
                if string not in template_strings[template]:
                    superfluous_strings.append(string)
            if superfluous_strings:
                print "! %d keys are superfluous in %s(%s):" % (len(superfluous_strings),template,lang)
                print "----------------------------------------------------"
                for string in superfluous_strings:
                    print string
                    print "----------------------------------------------------"