from copy import deepcopy
from json import dumps
from datetime import datetime

import main
from core.relay import sendRelayNotification
from modules import userinfo
from modules import regproc
from utils.dedup import dedup

order = ["type", "net", "num", "channel", "msg", "nick",
        "ident", "host", "mtype", "user", "modes", "modeargs"
        "realname", "server", "status"]

def testNetTarget(name, target):
    called = False
    for i in main.monitor.keys():
        if "sources" in main.monitor[i].keys():
            if name in main.monitor[i]["sources"]:
                if main.monitor[i]["sources"][name] == True:
                    yield i
                    called = True
                elif target in main.monitor[i]["sources"][name]:
                    yield i
                    called = True
        else:
            yield i
            called = True
    if not called:
        return False

def contained_in(x, y):
    if x is None or y is None:
        return False
    elif x == y:
        return True
    else:
        return y in x

def is_in(k, vs, A):
    return any(contained_in(A.get(k), vp) for vp in vs)

def matches(A, B):
    return all(is_in(k, vs, A) for (k, vs) in B.items())

def magicFunction(A, B):
    isInside = False
    if "send" in B.keys():
        del B["send"]
    if "sources" in B.keys():
        del B["sources"]
    if "inside" in B.keys():
        if B["inside"] == True:
            isInside = True
        del B["inside"]
    if isInside:
        return matches(A, B)
    else:
        return all(A[k] in B[k] for k in set(A) & set(B)) and set(B) <= set(A)

def event(numName, c): # yes I'm using a short variable because otherwise it goes off the screen
    if not "channel" in c.keys():
        c["channel"] = None

    if dedup(numName, c):
        return
    regproc.registerTest(c)
    # metadata scraping
    # need to check if this was received from a relay
    #  in which case, do not do this
    if c["type"] in ["msg", "notice", "action", "topic", "mode"]:
        userinfo.editUser(c["net"], c["muser"])
    elif c["type"] == "nick":
        userinfo.renameUser(c["net"], c["nick"], c["muser"], c["user"], c["user"]+"!"+c["ident"]+"@"+c["host"])
    elif c["type"] == "kick":
        userinfo.editUser(c["net"], c["muser"])
        userinfo.delUserByNick(c["net"], c["channel"], c["user"])
    elif c["type"] == "quit":
        userinfo.delUserByNetwork(c["net"], c["nick"], c["muser"])
    elif c["type"] == "join":
        userinfo.addUser(c["net"], c["channel"], c["nick"], c["muser"])
    elif c["type"] == "part":
        userinfo.delUser(c["net"], c["channel"], c["nick"], c["muser"])

    if "mtype" in c.keys():
        if c["mtype"] == "nick":
            userinfo.renameUser(c["net"], c["nick"], c["muser"], c["user"], c["user"]+"!"+c["ident"]+"@"+c["host"])

    if "muser" in c.keys():
        del c["muser"]
    sendRelayNotification({k: c[k] for k in order if k in c}) # Sort dict keys according to order

    # only monitors below
    monitorGroups = testNetTarget(c["net"], c["channel"])
    if monitorGroups == False:
        return
    for monitorGroup in monitorGroups:
        matcher = magicFunction(deepcopy(c), deepcopy(main.monitor[monitorGroup]))
        if matcher == True:
            c["monitor"] = True
            if "send" in main.monitor[monitorGroup].keys():
                for i in main.monitor[monitorGroup]["send"].keys():
                    if isinstance(main.monitor[monitorGroup]["send"][i], bool):
                        sendRelayNotification({"type": "err", "net": net, "channel": channel, "message": c, "reason": "errdeliv"})
                        continue
                    if not i in main.pool.keys():
                        sendRelayNotification({"type": "err", "net": net, "channel": channel, "message": c, "reason": "noname"})
                    if not i in main.IRCPool.keys():
                        sendRelayNotification({"type": "err", "net": net, "channel": channel, "message": c, "reason": "noinstance"})
                    for x in main.monitor[monitorGroup]["send"][i]:
                        main.IRCPool[i].msg(x, "monitor [%s] (%s) %s" % (monitorGroup, c["net"], c))