'''
Drag multiple files on top of this .py file and their names will be scrambled
into random digits.
'''

import argparse
import os
import random
import string
import sys

from voussoirkit import betterhelp
from voussoirkit import pathclass
from voussoirkit import vlogging

log = vlogging.getLogger(__name__, 'filenamescrambleint')

def filenamescrambleint_argparse(args):
    length = int(args.length)

    for path in sorted(pathclass.glob_many(args.patterns), key=pathclass.natural_sorter):
        randname = [random.choice(string.digits) for x in range(length)]
        randname = int(''.join(randname))
        newname = str(randname).rjust(length, '0') + path.dot_extension
        newname = path.parent.with_child(newname)
        os.rename(path, newname)
        print('%s -> %s' % (path.absolute_path, newname.basename))

    return 0

@vlogging.main_decorator
def main(argv):
    parser = argparse.ArgumentParser()
    parser.add_argument('patterns', nargs='+')
    parser.add_argument('--length', default=12)
    parser.set_defaults(func=filenamescrambleint_argparse)

    return betterhelp.go(parser, argv)

if __name__ == '__main__':
    raise SystemExit(main(sys.argv[1:]))