import json
import sys, getopt

dict = {}
dupliacteUid = {}
# debugFlag = True
debugFlag = False


def debug(desc, *args):
    'print only if debug enabled'
    if debugFlag:
        print(desc, join_strings(args))


def log(desc, arg):
    'print log info'
    print(desc, arg)


def graphSize(inputFile):
    with open(inputFile) as json_file:
        json_data = json.load(json_file)

        json_data_vertices = json_data['vertices']
        log("number of vertices is", len(json_data_vertices))

        json_data_edges = json_data['edges']
        log("number of edges is", len(json_data_edges))


def main(argv):
    print('Number of arguments:', len(sys.argv), 'arguments.')
    inputfile = None
    outputfile = ''
    try:
        opts, args = getopt.getopt(argv, "h:i:o:", ["ifile=", "ofile="])
    except getopt.GetoptError:
        print(sys.argv[0], '-i <inputfile>')
        sys.exit(2)
    for opt, arg in opts:
        if opt == '-h':
            print(sys.argv[0], '-i <inputfile>')
            sys.exit(3)
        elif opt in ("-i", "--ifile"):
            inputfile = arg

    if (inputfile == None):
        print(sys.argv[0], '-i <inputfile>')
        sys.exit(3)

    print('Input file is ', inputfile)
    graphSize(inputfile)


if __name__ == "__main__":
    main(sys.argv[1:])

#	print x['uid']