#!/usr/bin/env python3

import argparse
import re

from b2mirror import mirror


def main():
    parser = argparse.ArgumentParser(description="Sync data to/from B2")

    parser.add_argument("-w", "--workers", help="Maximum parallel uploads", type=int, default=10)

    parser.add_argument("-s", "--source", required=True, help="Source URI")
    parser.add_argument("-d", "--dest",   required=True, help="Dest URI")

    parser.add_argument("-a", "--account-id",   required=True, help="Backblaze account ID")
    parser.add_argument("-k", "--app-key",   required=True, help="Backblaze application key")

    parser.add_argument("--exclude", nargs="+", help="Regexes to exclude from transfer")

    args = parser.parse_args()

    ignore_res = [re.compile(i) for i in args.exclude]

    mirror.sync(args.source, args.dest, args.account_id, args.app_key, workers=args.workers, exclude=ignore_res)

if __name__ == '__main__':
    main()