# -*- coding: utf-8 -*-
import logging
log = logging.getLogger(__name__)

import time
import random

import config
from plugin_system import pluginfunction, ptypes

@pluginfunction('comment_joins', 'comments frequent joins', ptypes.MUC_ONLINE)
@config.config_locked
def comment_joins(**args):
    # max elapsed time between the latest and the N latest join
    timespan  = 120
    max_joins = 6

    comment_joins_strings = [
        "%s: please consider to fix your internet connection"
    ]

    current_timestamp = int(time.time())

    arg_user = args['reply_user']
    arg_user_key = arg_user.lower()

    if arg_user_key not in config.runtime_config_store['user_joins']:
        config.runtime_config_store['user_joins'][arg_user_key] = [ current_timestamp ]
        config.runtimeconf_persist()
        return None

    user_joins = config.runtime_config_store['user_joins'][arg_user_key]

    user_joins = [
        ts if current_timestamp - int(ts) <= timespan else [] for ts in user_joins
    ]
    user_joins.append(current_timestamp)

    if len(user_joins) >= max_joins:
        config.runtime_config_store['user_joins'].pop(arg_user_key)
        config.runtimeconf_persist()
        return { 'msg':  random.choice(comment_joins_strings) % arg_user }
    else:
        config.runtimeconf_persist()