#!/usr/bin/env python3
# XMPP bot that tests mirror bot
import argparse
import slixmpp
import configparser
import time

CONFIG_PATH = "./testconfig.ini"

VERSION='0.1.0'

# Read test messages from testmsgs.txt
ftestmsgs=open("testmsgs.txt")
testmsgs=ftestmsgs.readlines()
ftestmsgs.close()

# Generate lists with times that test messages are sent and recieved in rooms
results1=[]
for i in testmsgs:
    results1.append([i,0,0])

results2=[]
for i in testmsgs:
    results2.append([i,0,0])

# Check if all sent messages are recieved
def allmsgsrecv():
    ret = True
    for i in results1:
        if i[2] == 0:
            return False
    for i in results2:
        if i[2] == 0:
            return False
    return ret

# Print results and exit
def printandexit():
    print("Results of test:")
    print("Room1 -> Room2:")
    for i in results1:
        if i[2] == 0:
            print(i[0] + " : Not recieved")
        else:
            print(i[0].rstrip() + " : " + str(round(i[2]-i[1],2)) + " secounds")
    print("Room2 -> Room1:")
    for i in results2:
        if i[2] == 0:
            print(i[0] + " : Not recieved")
        else:
            print(i[0].rstrip() + " : " + str(round(i[2]-i[1],2)) + " secounds")
    exit()

def show_version():
        print("XMPP test bot " + VERSION)
        print("License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>")
        print("This is free software: you are free to change and redistribute it.")
        print("There is NO WARRANTY, to the extent permitted by law.")


class MUCBot(slixmpp.ClientXMPP):

    def __init__(self, jid, password, nick, room1, room2):
        slixmpp.ClientXMPP.__init__(self, jid, password)

        self.nick = nick
        self.room1 = room1
        self.room2 = room2
        self.add_event_handler("session_start", self.start)
        self.add_event_handler("groupchat_message", self.muc_message)

    async def start(self, event):
        await self.get_roster()
        self.send_presence()
        self.plugin['xep_0045'].join_muc(self.room1,self.nick)
        self.plugin['xep_0045'].join_muc(self.room2,self.nick)
        # Send test messages to both rooms
        for i in results1:
            time.sleep(2)
            self.send_message(mto=self.room1,mbody="%s" % i[0],mtype='groupchat')
            i[1]=time.time()

        time.sleep(5)

        for i in results2:
            time.sleep(2)
            self.send_message(mto=self.room2,mbody="%s" % i[0],mtype='groupchat')
            i[1]=time.time()

    # When message is recieved find the word in results and record time

    def muc_message(self, msg):
        rtime=time.time()
        if msg['mucnick'] == self.nick:
            return
        body="%(body)s" % msg
        unknownmsg = True
        if self.room1 in str(msg['from']):
            for i in results2:
                if 'xmppbot: ' + i[0] == body:
                    i[2] = rtime
                    unknownmsg = False

        if self.room2 in str(msg['from']):
            for i in results1:
                if 'xmppbot: ' + i[0] == body:
                    i[2] = rtime
                    unknownmsg = False

        if unknownmsg:
            print("Unknown message recieved: " + body)

        if allmsgsrecv() is True:
            printandexit()


if __name__ == '__main__':
    argparser = argparse.ArgumentParser(description="XMPP bot that mirrors chat between two MUC rooms")
    argparser.add_argument("--version", dest="version", help="print version information and exit", action="store_true")
    args=argparser.parse_args()

    ## Version argument
    if args.version:
        show_version()
        exit()

    config = configparser.ConfigParser()
    config.read(CONFIG_PATH)
    JID = config.get('credentials', 'JID')
    PASSWORD = config.get('credentials', 'PASSWORD')
    NICK = config.get('credentials', 'NICK')
    ROOM1 = config.get('credentials', 'ROOM1')
    ROOM2 = config.get('credentials', 'ROOM2')
    HOST = None
    PORT = 5222
    if "host" in config.options('credentials'):
        HOST = config.get('credentials', 'HOST')
    if "port" in config.options('credentials'):
        PORT = config.get('credentials', 'PORT')



    xmpp = MUCBot(JID, PASSWORD, NICK, ROOM1, ROOM2)
    xmpp.register_plugin('xep_0030') # Service Discovery
    xmpp.register_plugin('xep_0045') # Multi-User Chat
    xmpp.register_plugin('xep_0199') # XMPP Ping

    # Connect to the XMPP server and start processing XMPP stanzas.
    if HOST != None:
        xmpp.connect(address=(HOST,int(PORT)))
    else:
        xmpp.connect()
    xmpp.process(forever=False)