#!/usr/bin/env python
# -*- coding: utf-8 -*-

# This is a helper script for the svg-edit project, useful for managing
# all the language files
#
# Licensed under the Apache 2 License as is the rest of the project
# Requires Python 2.6
#
# Copyright (c) 2010 Jeff Schiller

import os
import sys
import re
import json
from types import *

def updateMainMenu(j):
	"""
		Converts title into textContent for items in the main menu
	"""
	tools = ['tool_clear', 'tool_open', 'tool_save', 'tool_docprops']
	for row in j:
		try:
			id = row['id']
			if id in tools:
				row[u'textContent'] = row.pop('title')
		except KeyError:
			pass

def ourPrettyPrint(j):
	"""
		Outputs a string representation of the JSON object passed in
		formatted properly for our lang.XX.js files.
	"""
	s = '[' + os.linesep
	js_strings = None
	j.sort()
	for row in j:
		try:
			id = row['id']
			row_string = json.dumps(row, sort_keys=True, ensure_ascii=False)
			s += row_string + ',' + os.linesep
		except KeyError:
			if type(row) is DictType:
				js_strings = row
				
	s += json.dumps(js_strings, sort_keys=True, ensure_ascii=False, indent=1) + os.linesep
	s += ']'
	return s

def processFile(filename):
	"""
		Loads the given lang.XX.js file, processes it and saves it
		back to the file system
	"""
	in_file = open('./editor/locale/'+filename, 'r')
	in_string = in_file.read()
	in_file.close()
	
	try:
		j = json.loads(in_string)
		
		# process the JSON object here
#		updateMainMenu(j)
	
		# now write it out back to the file
		s = ourPrettyPrint(j).encode("UTF-8");
		out_file = open('./editor/locale/'+filename, 'w')
		out_file.write( s )
		out_file.close()

		print "Updated " + filename
	except ValueError:
		print "ERROR!  " + filename + " was not valid JSON, please fix it!"

if __name__ == '__main__':
	# get list of all lang files and process them
	for file in os.listdir('./editor/locale/'):
		if file[:4] == "lang":
			processFile(file)