#!/usr/bin/python3
import optparse
import os, sys
from shutil import copy

sys.path.insert(0, "bin/python")

if __name__ == "__main__":
    parser = optparse.OptionParser('crontab <file> [options]')
    parser.add_option('-l', action="store_true")
    parser.add_option('-u')

    (opts, args) = parser.parse_args()

    # Use a dir we can write to in the testenv
    if 'LOCAL_PATH' in os.environ:
        data_dir = os.path.realpath(os.environ.get('LOCAL_PATH'))
    else:
        data_dir = os.path.dirname(os.path.realpath(__file__))
    dump_file = os.path.join(data_dir, 'crontab.dump')
    if opts.u:
        assert opts.u == os.environ.get('DC_USERNAME')
    if len(args) == 1:
        assert os.path.exists(args[0])
        copy(args[0], dump_file)
    elif opts.l:
        if os.path.exists(dump_file):
            with open(dump_file, 'r') as r:
                print(r.read())