"""
    instabot example

    Workflow:
        Save users' followers into a file.
"""
import argparse
import os
import sys

sys.path.append(os.path.join(sys.path[0], "../"))
from instabot import Bot, utils  # noqa: E402

parser = argparse.ArgumentParser(add_help=False)
parser.add_argument("-u", type=str, help="username")
parser.add_argument("-p", type=str, help="password")
parser.add_argument("-proxy", type=str, help="proxy")
parser.add_argument("filename", type=str, help="filename")
parser.add_argument("users", type=str, nargs="+", help="users")
args = parser.parse_args()

bot = Bot()
bot.login(username=args.u, password=args.p, proxy=args.proxy)

f = utils.file(args.filename)
for username in args.users:
    followers = bot.get_user_followers(username)
    f.save_list(followers)
