import sys
import boto3


def delete_all_version_fuzzy(bucket_name, prefix, do_it=False):
    s3 = boto3.resource('s3')
    bucket = s3.Bucket(bucket_name)

    count = 0
    print("Searching bucket({}) for prefix({})".format(bucket.name, prefix))
    for version in bucket.object_versions.filter(Prefix=prefix):
        count += 1
        if do_it:
            version.delete()

    print("Deleted {} versions {}".format(count, "were deleted" if do_it else "would be deleted"))


if __name__ == '__main__':
    if len(sys.argv) not in (3, 4):
        print("usage: delete_them_all.py bucket prefix [-y]")
        exit(1)
    delete_all_version_fuzzy(sys.argv[1], sys.argv[2], len(sys.argv) == 4 and sys.argv[3] == '-y')