from twisted.internet.ssl import DefaultOpenSSLContextFactory

from modules import alias
from modules.chankeep import nukeNetwork
from modules.regproc import needToRegister
from twisted.internet import reactor
from core.bot import IRCBotFactory
import main
from utils.logging.log import log
from utils.get import getRelay


class Network:
    def __init__(self, net, host, port, security, auth):
        self.net = net
        self.host = host
        self.port = port
        self.security = security
        self.auth = auth

        self.last = 1
        self.relays = {}
        self.aliases = {}

    def add_relay(self, num=None):
        if not num:
            num = self.last
            self.last += 1
        elif num == self.last:
            self.last += 1
        registered = False
        if not needToRegister(self.net):
            registered = True
            # Don't need to register if it's been disabled in definitions,
            #  so we'll pretend we already did
        self.relays[num] = {
            "enabled": main.config["ConnectOnCreate"],
            "net": self.net,
            "id": num,
            "registered": registered,
        }
        password = alias.generate_password()
        if num not in main.alias.keys():
            main.alias[num] = alias.generate_alias()
            main.saveConf("alias")
        self.aliases[num] = {"password": password}
        # if main.config["ConnectOnCreate"]: -- Done in provision
        #    self.start_bot(num)
        return num, main.alias[num]["nick"]

    def killAliases(self, aliasList):
        for i in aliasList:
            name = self.net + str(i)
            if name in main.ReactorPool.keys():
                if name in main.FactoryPool.keys():
                    main.FactoryPool[name].stopTrying()
                main.ReactorPool[name].disconnect()
                if name in main.IRCPool.keys():
                    del main.IRCPool[name]
                del main.ReactorPool[name]
                del main.FactoryPool[name]

    def delete_relay(self, id):
        del self.relays[id]
        del self.aliases[id]
        # del main.alias[id] - Aliases are global per num, so don't delete them!
        self.killAliases([id])

    def seppuku(self):
        # Removes all bots in preperation for deletion
        self.killAliases(self.relays.keys())
        nukeNetwork(self.net)

    def start_bot(self, num):
        # a single name is given to relays in the backend
        # e.g. freenode1 for the first relay on freenode network
        keyFN = main.certPath + main.config["Key"]
        certFN = main.certPath + main.config["Certificate"]
        contextFactory = DefaultOpenSSLContextFactory(
            keyFN.encode("utf-8", "replace"), certFN.encode("utf-8", "replace")
        )
        bot = IRCBotFactory(self.net, num)
        # host, port = self.relays[num]["host"], self.relays[num]["port"]
        host, port = getRelay(num)
        rct = reactor.connectSSL(host, port, bot, contextFactory)
        name = self.net + str(num)
        main.ReactorPool[name] = rct
        main.FactoryPool[name] = bot

        log("Started bot on relay %s on %s" % (num, self.host))

    def start_bots(self):
        for num in self.relays.keys():
            if self.relays[num]["enabled"]:
                self.start_bot(num)