#!/usr/bin/env python3
"""
trying to implement monadic IRC Bot.

"""

import socket

server = "irc.efnet.org"
port = 6667

nick = "mond"
user = "mond"
real = "mond"

channels = ["#wololo"]
msg = "Yo blud"


class IRCMonad(object):
    def __init__(self, v, e=None):
        self.v = v
        self.e = e

    def __repr__(self):
        if self.v is not None:
            return repr(self.v)
        else:
            return repr(self.e)

    def bind(self, f):
        if self.v is not None:
            try:
                ret = f(self.v)
            except Exception as e:
                return IRCMonad(None, e)

            if not isinstance(ret, IRCMonad):
                return IRCMonad(ret)
            else:
                return ret
        else:
            return IRCMonad(None, self.e)

    def __rshift__(self, bindee):
        return self.bind(bindee)


def init():
    options = {}
    options["channels"] = []
    options["server"] = server
    options["port"] = port
    options["nick"] = nick
    options["user"] = user
    options["real"] = real
    options["channels"] += channels
    options["msg"] = msg
    return options

def connect(options):
    options["sock"] = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    options["sock"].connect((options["server"], options["port"]))
    print(options)
    return options

def ident(options):
    options["sock"].send(bytes( "USER {} 0 *: {}\r\n".format(options['user'], options['real']), 'utf-8'))
    options["sock"].send(bytes("NICK {}\r\n".format(options["nick"]), 'utf-8'))

    print(options)
    return options


def join(options):
    for c in options["channels"]:
        options["sock"].send(bytes("JOIN :{}\r\n".format(c), 'utf-8'))

    print(options)
    return options


def privmsg(options):
    for c in options["channels"]:
        options["sock"].send(bytes("PRIVMSG {} :{}\r\n".format(c, options["msg"]), 'utf-8'))
    print(options)
    return options

def listen(options):
    while True:
        data = options["sock"].recv(1024).decode('utf-8', 'ignore')
        print(data)
    return options


if __name__=='__main__':
    print( \
        IRCMonad(init()) >> connect >> ident >> join >> privmsg >> listen \
        )