#!/usr/bin/env python2.7
import os
import sys
import glob
import json
import argparse

failed = False
parser = argparse.ArgumentParser(description='JSON validator')
parser.add_argument('filename', metavar="FILE | DIR", default=".")

def test_file(filename):
	global failed

	fd = open(filename)

	try:
		data = json.load(fd)
	except ValueError, e:
		sys.stdout.write('[fail] ' + filename + '\n')
		failed=True
	else:
		sys.stdout.write('[pass] ' + filename + '\n')

	fd.close()

def test_dir(path):
	files = glob.glob(path + '/*.json')
	for f in files:
		test_file(f)

if __name__ == "__main__":
	args = parser.parse_args()
	if not args:
		parser.print_help()

	if os.path.isdir(args.filename):
		test_dir(args.filename)
	else:
		test_file(args.filename)

	if failed:
		sys.exit(1)