#!/bin/env python3

import sys
import requests
import argparse
import json
from pathlib import Path

from requests.auth import HTTPBasicAuth

REST_USER="restadmin"
REST_PATH="http://127.0.0.1:8001/3.0/lists"

BANNER="""
            _) |                 __ /                _|_)
  ` \   _` | | |  ` \   _` |   \  _ \  _|  _ \   \   _| |  _` |
_|_|_|\__,_|_|_|_|_|_|\__,_|_| _|___/\__|\___/_| _|_|  _|\__, |
                                                         ____/
"""


def parse_args(args):
    parser = argparse.ArgumentParser("load a json config into local mailman configuration")

    parser.add_argument("list", help="list name (eg `test`)")
    parser.add_argument("patch", help="config to push to list", type=Path)

    return parser.parse_args(args)

def main(args):
    print(BANNER)
    pargs = parse_args(args[1:])

    if (not pargs.patch.exists()):
        print("need input patchfile (json)")
        return 1
    with pargs.patch.open() as inf:
        p = json.load(inf)

    rest_pass = Path("/run/secrets/mailman_rest_password").read_text().strip()
    rest_auth = HTTPBasicAuth(REST_USER, rest_pass)

    # determine if list exists, if not create with defaults
    result = requests.get(REST_PATH, auth=rest_auth)
    if result.ok:
        if (not (pargs.list in [x['fqdn_listname'] for x in result.json()['entries']])):
            # create list
            print("list not found: creating")
            result = requests.post(f"{REST_PATH}", auth=rest_auth, json={"fqdn_listname": pargs.list})
            if (result.ok):
                print("success")
                print(result)
                print(result.text)
            else:
                print("failed")
                print(result)
                print(result.reason)
                return 1
            # list exists
    else:
        print("cannot get list of lists")
        print(result)
        print(result.reason)
        return 1


    # patch config
    result = requests.patch(f"{REST_PATH}/{pargs.list}/config", auth=rest_auth, json=p)
    if result.ok:
        print("success")
        print(result)
        print(result.text)
    else:
        print("failed")
        print(result)
        print(result.reason)


if __name__ == "__main__":
    sys.exit(main(sys.argv))