import re
import sys
import os

APP_CONFIG_FILE = sys.argv[1]
APP_KEY = sys.argv[2]
BASE_URL = sys.argv[3]


# Stub a string with a evironment variable
def stubString(searchPattern, rejectPattern, searchtText, replacement, desc):
	searchRet = re.search(searchPattern, searchtText).group()
	if re.search("\"{}\"".format(rejectPattern), searchRet) is not None:
		print
		"A valid {} is submitted!".format(desc)
		sys.exit(1)

	# Stub valid key and write back
	ret = re.sub('\"\S+\"', "\"{}\"".format(replacement), searchRet)
	ret = re.sub(searchPattern, ret, searchtText)
	return ret


# Read heaer file

io = open(APP_CONFIG_FILE, "r+")
text = io.read()

ret = stubString("std::string\sappKey\s?=\s?\"\S*\";", "^[a-f0-9]{32}$", text, APP_KEY, 'APP_KEY')
ret = stubString("std::string\sbaseURL\s?=\s?\"\S*\";",
				 "(?:rtmp:\/\/)[\w.-]+(?:\.[\w\.-]+)+[\w\-\._~:/?#[\]@!\$&'\(\)\*\+,;=.]+", ret,
				 BASE_URL, 'BASE_URL')

io.seek(0)
io.write(ret)
io.truncate()

io.close()