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

__author__ = "Sven Eberth"

"""
IGNITE 3 PORTER
changes the syntax of CSS classes according to the new ignite syntax

former snytax (camelcase):
	.element-vSmall
	.element-vBig

new syntax
	.element--small
	.element--big
"""

import os, re

# GLOBALS
lineCounter = filename = None
changes = False


def replacement(match):
	rep = match.group(1) + "--" + str.lower(match.group(2)) + match.group(3)
	print "Replaced <%s> by <%s> in %s:%s" % (match.group(), rep, filename, lineCounter)
	changes = True
	return rep


def run(dictionary):
	global lineCounter, filename, changes

	for dirname, dirnames, filenames in os.walk(dictionary):
		if dirname == ".":
			for ignore in [".idea", ".git", "server", "node_modules"]:
				if ignore in dirnames:
					dirnames.remove(ignore)

			for ignore in ["README.md", ".editorconfig", ".gitmodules", os.path.basename(__file__)]:
				if ignore in filenames:
					filenames.remove(ignore)

		for file in filenames:
			filename = ((dirname + "/") if dirname else "") + file

			# print "handle file <%s>" % filename

			source = open(filename, "r")
			lines = source.readlines()
			source.close()

			newLines = []
			lineCounter = 0

			for line in lines:
				new = re.sub(r"(\w+)-v([A-Z]{1})(\w+)", replacement, line)
				newLines.append(new)
				lineCounter += 1

			if changes:
				target = open(filename, "w")
				target.write("".join(newLines))
				target.close()


def main():
	run(".")


if __name__ == "__main__":
	main()