import logging
import yaml
import time
import re
import redis

from matrix_bot_api.matrix_bot_api import MatrixBotAPI
from matrix_bot_api.mregex_handler import MRegexHandler
from matrix_bot_api.mcommand_handler import MCommandHandler


def show_karma_cb(room, event):
    allkkeys = rs.keys("partybot:k_" + event['room_id'] + "@*")

    reply = ""
    for k in allkkeys:
        handle = k.decode().split('@')[1]
        karma = rs.get(k)
        reply += handle + " has " + str(karma.decode()) + " karma.\n"

    room.send_notice(reply)


def karma_cb(room, event):
    members = room.get_joined_members()
    msender = re.search('@([\w]+_)?([^:]+)', event['sender'])
    sender = msender.group(2)
    tokens = re.search("([\w]+)(\-\-|\+\+)", event['content']['body'])
    handle = tokens.group(1)
    sign = tokens.group(2)
    reply = ""

    if sender.lower() == handle.lower():
        reply = "@" + sender + ": Silly human, your karma must be decided by others!"
        room.send_notice(reply)
        return

    for mxid in members:
        alias = re.search('@(pnut_)?([^:]+)', mxid).group(2)
        if alias.lower() == handle.lower():
            print('match')

            if sign == '++':
                rs.incr("partybot:k_" + event['room_id'] + "@" + handle)
            elif sign == '--':
                rs.decr("partybot:k_" + event['room_id'] + "@" + handle)

            _show_karma(room, event['room_id'], handle)

        break


def _show_karma(room, room_id, handle):

    k = int(rs.get("partybot:k_" + room_id + "@" + handle))
    reply = handle + " has " + str(k) + " karma in this channel."
    room.send_notice(reply)


def recv_event_q(queue, post):
    if queue == "MNDP":
        room = bot.client.rooms[config['queue']['MNDP']]
        room.send_notice(post)
    elif queue == "JUKEBOX":
        room = bot.client.rooms[config['queue']['JUKEBOX']]
        room.send_notice(post)


if __name__ == "__main__":

    logging.basicConfig(level=logging.DEBUG,filename='partybot.log')

    with open("partybot-config.yaml", "rb") as config_file:
        config = yaml.load(config_file)

    rs = redis.StrictRedis()
    bot = MatrixBotAPI(config['username'], config['password'], config['url'])

    bot.add_handler(MRegexHandler("([\w]+)(\-\-|\+\+)", karma_cb))
    bot.add_handler(MCommandHandler("karma", show_karma_cb))

    bot.start_polling()
    while True:
        time.sleep(1)
        item = rs.rpop('MNDP')
        if item:
            recv_event_q('MNDP', item.decode())
        item = rs.rpop('JUKEBOX')
        if item:
            recv_event_q('JUKEBOX', item.decode())