# helper functions and init for system related tasks
# K7MHI Kelly Keeton 2024

import meshtastic.serial_interface #pip install meshtastic
import meshtastic.tcp_interface
import meshtastic.ble_interface
import time
import asyncio
import contextlib # for suppressing output on watchdog
from modules.log import *

# Global Variables
trap_list = ("cmd","cmd?") # default trap list
help_message = "CMD?:"
asyncLoop = asyncio.new_event_loop()
games_enabled = False

# Ping Configuration
if ping_enabled:
    # ping, pinging, ack, testing, test, pong
    trap_list_ping = ("ping", "pinging", "ack", "testing", "test", "pong")
    trap_list = trap_list + trap_list_ping
    help_message = help_message + "ping"

# Sitrep Configuration
if sitrep_enabled:
    trap_list_sitrep = ("sitrep", "lheard")
    trap_list = trap_list + trap_list_sitrep
    help_message = help_message + ", sitrep"

# MOTD Configuration
if motd_enabled:
    trap_list_motd = ("motd",)
    trap_list = trap_list + trap_list_motd
    help_message = help_message + ", motd"

# whoami Configuration
if whoami_enabled:
    trap_list_whoami = ("whoami",)
    trap_list = trap_list + trap_list_whoami
    help_message = help_message + ", whoami"

# Solar Conditions Configuration
if solar_conditions_enabled:
    from modules.solarconditions import * # from the spudgunman/meshing-around repo
    trap_list = trap_list + trap_list_solarconditions # items hfcond, solar, sun, moon
    help_message = help_message + ", sun, hfcond, solar, moon"

# Command History Configuration
if enableCmdHistory:
    trap_list = trap_list + ("history",)
    #help_message = help_message + ", history"

# Location Configuration
if location_enabled:
    from modules.locationdata import * # from the spudgunman/meshing-around repo
    trap_list = trap_list + trap_list_location # items tide, whereami, wxc, wx
    help_message = help_message + ", whereami, wx, wxc"
    
    # Open-Meteo Configuration for worldwide weather
    if use_meteo_wxApi:
        from modules.wx_meteo import * # from the spudgunman/meshing-around repo
    else:
        # NOAA only features
        help_message = help_message + ", wxa, tide"

# BBS Configuration
if bbs_enabled:
    from modules.bbstools import * # from the spudgunman/meshing-around repo
    trap_list = trap_list + trap_list_bbs # items bbslist, bbspost, bbsread, bbsdelete, bbshelp
    help_message = help_message + ", bbslist, bbshelp"

# Dad Jokes Configuration
if dad_jokes_enabled:
    from dadjokes import Dadjoke # pip install dadjokes
    trap_list = trap_list + ("joke",)
    help_message = help_message + ", joke"

# Wikipedia Search Configuration
if wikipedia_enabled:
    import wikipedia # pip install wikipedia
    trap_list = trap_list + ("wiki:",)
    help_message = help_message + ", wiki:"

# LLM Configuration
if llm_enabled:
    from modules.llm import * # from the spudgunman/meshing-around repo
    trap_list = trap_list + trap_list_llm # items ask:
    help_message = help_message + ", askai"

# DopeWars Configuration
if dopewars_enabled:
    from modules.dopewar import * # from the spudgunman/meshing-around repo
    trap_list = trap_list + ("dopewars",)
    games_enabled = True

# Lemonade Stand Configuration
if lemonade_enabled:
    from modules.lemonade import * # from the spudgunman/meshing-around repo
    trap_list = trap_list + ("lemonstand",)
    games_enabled = True

# BlackJack Configuration
if blackjack_enabled:
    from modules.blackjack import * # from the spudgunman/meshing-around repo
    trap_list = trap_list + ("blackjack",)
    games_enabled = True

# Video Poker Configuration
if videoPoker_enabled:
    from modules.videopoker import * # from the spudgunman/meshing-around repo
    trap_list = trap_list + ("videopoker",)
    games_enabled = True
    
# Games Configuration
if games_enabled is True:
    help_message = help_message + ", games"
    trap_list = trap_list + ("games",)
    gTnW_enabled = True
    gamesCmdList = "CMD: "
    if dopewars_enabled:
        gamesCmdList += "DopeWars, "
    if lemonade_enabled:
        gamesCmdList += "LemonStand, "
    if gTnW_enabled:
        import random
        trap_list = trap_list + ("globalthermonuclearwar",)
    if blackjack_enabled:
        gamesCmdList += "BlackJack, "
    if videoPoker_enabled:
        gamesCmdList += "VideoPoker, "
    gamesCmdList = gamesCmdList[:-2] # remove the last comma

# Scheduled Broadcast Configuration
if scheduler_enabled:
    import schedule # pip install schedule
    # Reminder Scheduler is enabled every Monday at noon send a log message
    schedule.every().monday.at("12:00").do(lambda: logger.info("System: Scheduled Broadcast Reminder"))

# Sentry Configuration
if sentry_enabled:
    from math import sqrt
    import geopy.distance # pip install geopy

# Store and Forward Configuration
if store_forward_enabled:
    trap_list = trap_list + ("messages",)
    help_message = help_message + ", messages"

# Radio Monitor Configuration
if radio_detection_enabled:
    from modules.radio import * # from the spudgunman/meshing-around repo

# BLE dual interface prevention
if interface1_type == 'ble' and interface2_type == 'ble':
    logger.critical(f"System: BLE Interface1 and Interface2 cannot both be BLE. Exiting")
    exit()
    
# Interface1 Configuration
try:
    logger.debug(f"System: Initializing Interface1")
    if interface1_type == 'serial':
        interface1 = meshtastic.serial_interface.SerialInterface(port1)
    elif interface1_type == 'tcp':
        interface1 = meshtastic.tcp_interface.TCPInterface(hostname1)
    elif interface1_type == 'ble':
        interface1 = meshtastic.ble_interface.BLEInterface(mac1)
    else:
        logger.critical(f"System: Interface Type: {interface1_type} not supported. Validate your config against config.template Exiting")
        exit()
except Exception as e:
    logger.critical(f"System: script abort. Initializing Interface1 {e}")
    exit()

# Interface2 Configuration
if interface2_enabled:
    logger.debug(f"System: Initializing Interface2")
    try:
        if interface2_type == 'serial':
            interface2 = meshtastic.serial_interface.SerialInterface(port2)
        elif interface2_type == 'tcp':
            interface2 = meshtastic.tcp_interface.TCPInterface(hostname2)
        elif interface2_type == 'ble':
            interface2 = meshtastic.ble_interface.BLEInterface(mac2)
        else:
            logger.critical(f"System: Interface Type: {interface2_type} not supported. Validate your config against config.template Exiting")
            exit()
    except Exception as e:
        logger.critical(f"System: script abort. Initializing Interface2 {e}")
        exit()

#Get the node number of the device, check if the device is connected
try:
    myinfo = interface1.getMyNodeInfo()
    myNodeNum1 = myinfo['num']
except Exception as e:
    logger.critical(f"System: script abort. {e}")
    exit()

if interface2_enabled:
    try:
        myinfo2 = interface2.getMyNodeInfo()
        myNodeNum2 = myinfo2['num']
    except Exception as e:
        logger.critical(f"System: script abort. {e}")
        exit()
else:
    myNodeNum2 = 777

# functions below

def decimal_to_hex(decimal_number):
    return f"!{decimal_number:08x}"

def get_name_from_number(number, type='long', nodeInt=1):
    name = ""
    if nodeInt == 1:
        for node in interface1.nodes.values():
            if number == node['num']:
                if type == 'long':
                    name = node['user']['longName']
                    return name
                elif type == 'short':
                    name = node['user']['shortName']
                    return name
                else:
                    pass
            else:
                name =  str(decimal_to_hex(number))  # If name not found, use the ID as string
        return name
    
    if nodeInt == 2:
        for node in interface2.nodes.values():
            if number == node['num']:
                if type == 'long':
                    name = node['user']['longName']
                    return name
                elif type == 'short':
                    name = node['user']['shortName']
                    return name
                else:
                    pass
            else:
                name =  str(decimal_to_hex(number))  # If name not found, use the ID as string
        return name
    return number

def get_num_from_short_name(short_name, nodeInt=1):
    # Get the node number from the short name, converting all to lowercase for comparison (good practice?)
    logger.debug(f"System: Getting Node Number from Short Name: {short_name} on Device: {nodeInt}")
    if nodeInt == 1:
        for node in interface1.nodes.values():
            #logger.debug(f"System: Checking Node: {node['user']['shortName']} against {short_name} for number {node['num']}")
            if short_name == node['user']['shortName']:
                return node['num']
            elif str(short_name.lower()) == node['user']['shortName'].lower():
                return node['num']
            else:
                # try other interface
                if interface2_enabled:
                    for node in interface2.nodes.values():
                        if short_name == node['user']['shortName']:
                            return node['num']
                        elif str(short_name.lower()) == node['user']['shortName'].lower():
                            return node['num']
    if nodeInt == 2:
        for node in interface2.nodes.values():
            if short_name == node['user']['shortName']:
                return node['num']
            elif str(short_name.lower()) == node['user']['shortName'].lower():
                return node['num']
            else:
                # try other interface
                if interface2_enabled:
                    for node in interface1.nodes.values():
                        if short_name == node['user']['shortName']:
                            return node['num']
                        elif str(short_name.lower()) == node['user']['shortName'].lower():
                            return node['num']
    return 0
    
def get_node_list(nodeInt=1):
    # Get a list of nodes on the device
    node_list = ""
    node_list1 = []
    node_list2 = []
    short_node_list = []
    last_heard = 0
    if nodeInt == 1:
        if interface1.nodes:
            for node in interface1.nodes.values():
                # ignore own
                if node['num'] != myNodeNum2 and node['num'] != myNodeNum1:
                    node_name = get_name_from_number(node['num'], 'long', nodeInt)
                    snr = node.get('snr', 0)

                    # issue where lastHeard is not always present
                    last_heard = node.get('lastHeard', 0)
                    
                    # make a list of nodes with last heard time and SNR
                    item = (node_name, last_heard, snr)
                    node_list1.append(item)
        else:
            logger.warning(f"System: No nodes found")
            return ERROR_FETCHING_DATA
        
    if nodeInt == 2:
        if interface2.nodes:
            for node in interface2.nodes.values():
                # ignore own
                if node['num'] != myNodeNum2 and node['num'] != myNodeNum1:
                    node_name = get_name_from_number(node['num'], 'long', nodeInt)
                    snr = node.get('snr', 0)

                    # issue where lastHeard is not always present
                    last_heard = node.get('lastHeard', 0)
                    
                    # make a list of nodes with last heard time and SNR
                    item = (node_name, last_heard, snr)
                    node_list2.append(item)
        else:
            logger.warning(f"System: No nodes found")
            return ERROR_FETCHING_DATA
    
    try:
        #print (f"Node List: {node_list1[:5]}\n")
        node_list1.sort(key=lambda x: x[1] if x[1] is not None else 0, reverse=True)
        #print (f"Node List: {node_list1[:5]}\n")
        if interface2_enabled:
            node_list2.sort(key=lambda x: x[1] if x[1] is not None else 0, reverse=True)
    except Exception as e:
        logger.error(f"System: Error sorting node list: {e}")
        logger.debug(f"Node List1: {node_list1[:5]}\n")
        if interface2_enabled:
            logger.debug(f"Node List2: {node_list2[:5]}\n")
        node_list = ERROR_FETCHING_DATA

    try:
        # make a nice list for the user
        for x in node_list1[:SITREP_NODE_COUNT]:
            short_node_list.append(f"{x[0]} SNR:{x[2]}")
        for x in node_list2[:SITREP_NODE_COUNT]:
            short_node_list.append(f"{x[0]} SNR:{x[2]}")

        for x in short_node_list:
            if x != "" or x != '\n':
                node_list += x + "\n"
    except Exception as e:
        logger.error(f"System: Error creating node list: {e}")
        node_list = ERROR_FETCHING_DATA
    
    return node_list

def get_node_location(number, nodeInt=1, channel=0):
    # Get the location of a node by its number from nodeDB on device
    latitude = latitudeValue
    longitude = longitudeValue
    position = [latitudeValue,longitudeValue]
    lastheard = 0
    if nodeInt == 1:
        if interface1.nodes:
            for node in interface1.nodes.values():
                if number == node['num']:
                    if 'position' in node:
                        try:
                            latitude = node['position']['latitude']
                            longitude = node['position']['longitude']
                        except Exception as e:
                            logger.error(f"System: Error getting location data for {number}")
                        logger.debug(f"System: location data for {number} is {latitude},{longitude}")
                        position = [latitude,longitude]
                        return position
                    else:
                        logger.warning(f"System: No location data for {number} using default location")
                        # request location data
                        # try:
                        #     logger.debug(f"System: Requesting location data for {number}")
                        #     if nodeInt == 1:
                        #         interface1.sendPosition(destinationId=number, wantResponse=False, channelIndex=channel)
                        #     if nodeInt == 2:
                        #         interface2.sendPosition(destinationId=number, wantResponse=False, channelIndex=channel)
                        # except Exception as e:
                        #     logger.error(f"System: Error requesting location data for {number}. Error: {e}")
                        return position
        else:
            logger.warning(f"System: No nodes found")
            return position
    if nodeInt == 2:
        if interface2.nodes:
            for node in interface2.nodes.values():
                if number == node['num']:
                    if 'position' in node:
                        try:
                            latitude = node['position']['latitude']
                            longitude = node['position']['longitude']
                        except Exception as e:
                            logger.error(f"System: Error getting location data for {number}")
                        logger.info(f"System: location data for {number} is {latitude},{longitude}")
                        position = [latitude,longitude]
                        return position
                    else:
                        logger.warning(f"System: No location data for {number}")
                        return position
        else:
            logger.warning(f"System: No nodes found")
            return position
    return position

def get_closest_nodes(nodeInt=1,returnCount=3):
    node_list = []

    if nodeInt == 1:
        if interface1.nodes:
            for node in interface1.nodes.values():
                if 'position' in node:
                    try:
                        nodeID = node['num']
                        latitude = node['position']['latitude']
                        longitude = node['position']['longitude']

                        #lastheard time in unix time
                        lastheard = node.get('lastHeard', 0)
                        #if last heard is over 24 hours ago, ignore the node
                        if lastheard < (time.time() - 86400):
                            continue

                        # Calculate distance to node from config.ini location
                        distance = round(geopy.distance.geodesic((latitudeValue, longitudeValue), (latitude, longitude)).m, 2)
                        
                        if (distance < sentry_radius):
                            if nodeID != myNodeNum1 and myNodeNum2 and str(nodeID) not in sentryIgnoreList:
                                node_list.append({'id': nodeID, 'latitude': latitude, 'longitude': longitude, 'distance': distance})
                                
                    except Exception as e:
                        pass
                # else:
                #     # request location data
                #     try:
                #         logger.debug(f"System: Requesting location data for {node['id']}")
                #         interface1.sendPosition(destinationId=node['id'], wantResponse=False, channelIndex=publicChannel)
                #     except Exception as e:
                #         logger.error(f"System: Error requesting location data for {node['id']}. Error: {e}")

            # sort by distance closest
            #node_list.sort(key=lambda x: (x['latitude']-latitudeValue)**2 + (x['longitude']-longitudeValue)**2)
            node_list.sort(key=lambda x: x['distance'])
            # return the first 3 closest nodes by default
            return node_list[:returnCount]
        else:
            logger.error(f"System: No nodes found in closest_nodes on interface {nodeInt}")
            return ERROR_FETCHING_DATA

    if nodeInt == 2:
        if interface2.nodes:
            for node in interface2.nodes.values():
                if 'position' in node:
                    try:
                        nodeID = node['num']
                        latitude = node['position']['latitude']
                        longitude = node['position']['longitude']

                        #lastheard time in unix time
                        lastheard = node.get('lastHeard', 0)
                        #if last heard is over 24 hours ago, ignore the node
                        if lastheard < (time.time() - 86400):
                            continue

                        # Calculate distance to node from config.ini location
                        distance = round(geopy.distance.geodesic((latitudeValue, longitudeValue), (latitude, longitude)).m, 2)
                        
                        if (distance < sentry_radius):
                            if nodeID != myNodeNum1 and myNodeNum2 and str(nodeID) not in sentryIgnoreList:
                                node_list.append({'id': nodeID, 'latitude': latitude, 'longitude': longitude, 'distance': distance})
                                
                    except Exception as e:
                        pass
            # sort by distance closest
            node_list.sort(key=lambda x: x['distance'])
            # return the first 3 closest nodes by default
            return node_list[:returnCount]
        else:
            logger.error(f"System: No nodes found in closest_nodes on interface {nodeInt}")
            return ERROR_FETCHING_DATA
        
def send_message(message, ch, nodeid=0, nodeInt=1):
    if message == "" or message == None or len(message) == 0:
        return
    # if message over MESSAGE_CHUNK_SIZE characters, split it into multiple messages
    if len(message) > MESSAGE_CHUNK_SIZE:
        logger.debug(f"System: Splitting Message, Message Length: {len(message)}")

        # split the message into MESSAGE_CHUNK_SIZE 160 character chunks
        message = message.replace('\n', ' NEWLINE ') # replace newlines with NEWLINE to keep them in split chunks

        split_message = message.split()
        line = ''
        message_list = []

        for word in split_message:
            if len(line + word) < MESSAGE_CHUNK_SIZE:
                if 'NEWLINE' in word or '\n' in word or '\r' in word:
                    # chunk by newline if it exists
                    message_list.append(line)
                    line = ''
                else:
                    line += word + ' '
            else:
                message_list.append(line)
                line = word + ' '

        message_list.append(line) # needed add contents of the last 'line' into the list
        message_list = [m.replace('NEWLINE', '') for m in message_list]

        for m in message_list:
            if nodeid == 0:
                # Send to channel
                logger.info(f"Device:{nodeInt} Channel:{ch} " + CustomFormatter.red + "Sending Multi-Chunk Message: " + CustomFormatter.white + m.replace('\n', ' '))
                if nodeInt == 1:
                    interface1.sendText(text=m, channelIndex=ch)
                if nodeInt == 2:
                    interface2.sendText(text=m, channelIndex=ch)
            else:
                # Send to DM
                logger.info(f"Device:{nodeInt} " + CustomFormatter.red + "Sending Multi-Chunk DM: " + CustomFormatter.white + m.replace('\n', ' ') + CustomFormatter.purple +\
                             " To: " + CustomFormatter.white + f"{get_name_from_number(nodeid, 'long', nodeInt)}")
                if nodeInt == 1:
                    interface1.sendText(text=m, channelIndex=ch, destinationId=nodeid)
                if nodeInt == 2:
                    interface2.sendText(text=m, channelIndex=ch, destinationId=nodeid)
            time.sleep(splitDelay) # wait an amout of time between sending each split message
    else: # message is less than MESSAGE_CHUNK_SIZE characters
        if nodeid == 0:
            # Send to channel
            logger.info(f"Device:{nodeInt} Channel:{ch} " + CustomFormatter.red + "Sending: " + CustomFormatter.white + message.replace('\n', ' '))
            if nodeInt == 1:
                interface1.sendText(text=message, channelIndex=ch)
            if nodeInt == 2:
                interface2.sendText(text=message, channelIndex=ch)
        else:
            # Send to DM
            logger.info(f"Device:{nodeInt} " + CustomFormatter.red + "Sending DM: " + CustomFormatter.white + message.replace('\n', ' ') + CustomFormatter.purple +\
                         " To: " + CustomFormatter.white + f"{get_name_from_number(nodeid, 'long', nodeInt)}")
            if nodeInt == 1:
                interface1.sendText(text=message, channelIndex=ch, destinationId=nodeid)
            if nodeInt == 2:
                interface2.sendText(text=message, channelIndex=ch, destinationId=nodeid)

def tell_joke():
    # tell a dad joke, does it need an explanationn :)
    if dad_jokes_enabled:
        dadjoke = Dadjoke()
        return dadjoke.joke
    else:
        return ''

def get_wikipedia_summary(search_term):
    wikipedia_search = wikipedia.search(search_term, results=3)
    wikipedia_suggest = wikipedia.suggest(search_term)
    #wikipedia_aroundme = wikipedia.geosearch(location[0], location[1], results=3)
    #logger.debug(f"System: Wikipedia Nearby:{wikipedia_aroundme}")
    
    if len(wikipedia_search) == 0:
        logger.warning(f"System: No Wikipedia Results for:{search_term}")
        return ERROR_FETCHING_DATA
    
    try:
        logger.debug(f"System: Searching Wikipedia for:{search_term}, First Result:{wikipedia_search[0]}, Suggest Word:{wikipedia_suggest}")
        summary = wikipedia.summary(search_term, sentences=wiki_return_limit, auto_suggest=False, redirect=True)
    except wikipedia.DisambiguationError as e:
        logger.warning(f"System: Disambiguation Error for:{search_term} trying {wikipedia_search[0]}")
        summary = wikipedia.summary(wikipedia_search[0], sentences=wiki_return_limit, auto_suggest=True, redirect=True)
    except wikipedia.PageError as e:
        logger.warning(f"System: Wikipedia Page Error for:{search_term} {e} trying {wikipedia_search[0]}")
        summary = wikipedia.summary(wikipedia_search[0], sentences=wiki_return_limit, auto_suggest=True, redirect=True)
    except Exception as e:
        logger.error(f"System: Error with Wikipedia for:{search_term} {e}")
        return ERROR_FETCHING_DATA
    
    return summary

def messageTrap(msg):
    # Check if the message contains a trap word
    message_list=msg.split(" ")
    for m in message_list:
        for t in trap_list:
            if t.lower() == m.lower():
                return True
    return False

def exit_handler():
    # Close the interface and save the BBS messages
    logger.debug(f"System: Closing Autoresponder")
    try:         
        interface1.close()
        logger.debug(f"System: Interface1 Closed")
        if interface2_enabled:
            interface2.close()
            logger.debug(f"System: Interface2 Closed")
    except Exception as e:
        logger.error(f"System: closing: {e}")
    if bbs_enabled:
        save_bbsdb()
        save_bbsdm()
        logger.debug(f"System: BBS Messages Saved")
    logger.debug(f"System: Exiting")
    asyncLoop.stop()
    asyncLoop.close()
    exit (0)

async def BroadcastScheduler():
    # handle schedule checks for the broadcast of messages
    while True:
        schedule.run_pending()
        await asyncio.sleep(1)

async def handleSignalWatcher():
    global lastHamLibAlert, antiSpam, sigWatchBroadcastCh
    # monitor rigctld for signal strength and frequency
    while True:
        msg =  await signalWatcher()
        if msg != ERROR_FETCHING_DATA and msg is not None:
            logger.debug(f"System: Detected Alert from Hamlib {msg}")
            
            # check we are not spammig the channel limit messages to once per minute
            if time.time() - lastHamLibAlert > 60:
                lastHamLibAlert = time.time()
                # if sigWatchBrodcastCh list contains multiple channels, broadcast to all
                if type(sigWatchBroadcastCh) is list:
                    for ch in sigWatchBroadcastCh:
                        if antiSpam and ch != publicChannel:
                            send_message(msg, int(ch), 0, 1)
                            if interface2_enabled:
                                send_message(msg, int(ch), 0, 2)
                        else:
                            logger.warning(f"System: antiSpam prevented Alert from Hamlib {msg}")
                else:
                    if antiSpam and sigWatchBroadcastCh != publicChannel:
                        send_message(msg, int(sigWatchBroadcastCh), 0, 1)
                        if interface2_enabled:
                            send_message(msg, int(sigWatchBroadcastCh), 0, 2)
                    else:
                        logger.warning(f"System: antiSpam prevented Alert from Hamlib {msg}")

        await asyncio.sleep(1)
        pass

async def retry_interface(nodeID=1):
    global interface1, interface2, retry_int1, retry_int2, max_retry_count1, max_retry_count2
    # retry connecting to the interface
    # add a check to see if the interface is already open or trying to open
    if nodeID==1:
        if interface1 is not None:
            retry_int1 = True
            max_retry_count1 -= 1
            try:
                interface1.close()
            except Exception as e:
                logger.error(f"System: closing interface1: {e}")
    if nodeID==2:
        if interface2 is not None:
            retry_int2 = True
            max_retry_count2 -= 1
            try:
                interface2.close()
            except Exception as e:
                logger.error(f"System: closing interface2: {e}")
    
   
    logger.debug(f"System: Retrying interface in 15 seconds")
    if max_retry_count1 == 0:
        logger.critical(f"System: Max retry count reached for interface1")
        exit_handler()
    if max_retry_count2 == 0:
        logger.critical(f"System: Max retry count reached for interface2")
        exit_handler()
    # wait 15 seconds before retrying
    await asyncio.sleep(15)

    # retry the interface
    try:
        if nodeID==1 and retry_int1:
            interface1 = None
            logger.debug(f"System: Retrying Interface1")
            if interface1_type == 'serial':
                interface1 = meshtastic.serial_interface.SerialInterface(port1)
            elif interface1_type == 'tcp':
                interface1 = meshtastic.tcp_interface.TCPInterface(hostname1)
            elif interface1_type == 'ble':
                interface1 = meshtastic.ble_interface.BLEInterface(mac1)
            logger.debug(f"System: Interface1 Opened!")
            retry_int1 = False
    except Exception as e:
        logger.error(f"System: opening interface1 on: {e}")
    
    try:
        if nodeID==2 and retry_int2:
            interface2 = None
            logger.debug(f"System: Retrying Interface2")
            if interface2_type == 'serial':
                interface2 = meshtastic.serial_interface.SerialInterface(port2)
            elif interface2_type == 'tcp':
                interface2 = meshtastic.tcp_interface.TCPInterface(hostname2)
            elif interface2_type == 'ble':
                interface2 = meshtastic.ble_interface.BLEInterface(mac2)
            logger.debug(f"System: Interface2 Opened!")
            retry_int2 = False
    except Exception as e:
        logger.error(f"System: opening interface2: {e}")

async def watchdog():
    global retry_int1, retry_int2
    if sentry_enabled:
        sentry_loop = 0
        lastSpotted = ""
        enemySpotted = ""
        sentry_loop2 = 0
        lastSpotted2 = ""
        enemySpotted2 = ""
    # watchdog for connection to the interface
    while True:
        await asyncio.sleep(20)
        #print(f"MeshBot System: watchdog running\r", end="")
        if interface1 is not None and not retry_int1:
            try:
                # this is a workaround because .localNode.getMetadata spits out a lot of debug info which cant be suppressed
                with contextlib.redirect_stdout(None):
                    interface1.localNode.getMetadata()
                    print(f"System: if you see this upgrade python to >3.4")
            except Exception as e:
                logger.error(f"System: communicating with interface1, trying to reconnect: {e}")
                retry_int1 = True
        
            # Locate Closest Nodes and report them to a secure channel
            if sentry_enabled:
                try:
                    closest_nodes1 = get_closest_nodes(1)
                    if closest_nodes1 != ERROR_FETCHING_DATA:
                        if closest_nodes1[0]['id'] is not None:
                            enemySpotted = get_name_from_number(closest_nodes1[0]['id'], 'long', 1)
                            enemySpotted += ", " + get_name_from_number(closest_nodes1[0]['id'], 'short', 1)
                            enemySpotted += ", " + str(closest_nodes1[0]['id'])
                            enemySpotted += ", " + decimal_to_hex(closest_nodes1[0]['id'])
                            enemySpotted += f" at {closest_nodes1[0]['distance']}m"
                except Exception as e:
                    pass
                
                if sentry_loop >= sentry_holdoff and lastSpotted != enemySpotted:
                    logger.warning(f"System: {enemySpotted} is close to your location on Interface1")
                    send_message(f"Sentry1: {enemySpotted}", secure_channel, 0, 1)
                    if interface2_enabled:
                        await asyncio.sleep(1.5)
                        send_message(f"Sentry1: {enemySpotted}", secure_channel, 0, 2)
                    sentry_loop = 0
                    lastSpotted = enemySpotted
                else:
                    sentry_loop += 1
        
        if retry_int1:
            try:
                await retry_interface(1)
            except Exception as e:
                logger.error(f"System: retrying interface1: {e}")

        if interface2_enabled:
            if interface2 is not None and not retry_int2:
                try:
                    with contextlib.redirect_stdout(None):
                        interface2.localNode.getMetadata()
                        print(f"System: if you see this upgrade python to >3.4")
                except Exception as e:
                    logger.error(f"System: communicating with interface2, trying to reconnect: {e}")
                    retry_int2 = True
                
                # Locate Closest Nodes and report them to a secure channel
                if sentry_enabled:
                    try:
                        closest_nodes2 = get_closest_nodes(2)
                        if closest_nodes2 != ERROR_FETCHING_DATA:
                            if closest_nodes2[0]['id'] is not None:
                                enemySpotted2 = get_name_from_number(closest_nodes2[0]['id'], 'long', 2)
                                enemySpotted2 += ", " + get_name_from_number(closest_nodes2[0]['id'], 'short', 2)
                                enemySpotted2 += ", " + str(closest_nodes2[0]['id'])
                                enemySpotted2 += ", " + decimal_to_hex(closest_nodes2[0]['id'])
                                enemySpotted2 += f" at {closest_nodes2[0]['distance']}m"
                    except Exception as e:
                        pass
                    
                    if sentry_loop2 >= sentry_holdoff and lastSpotted2 != enemySpotted2:
                        logger.warning(f"System: {enemySpotted2} is close to your location on Interface2")
                        # send to secure channel on both interfaces
                        send_message(f"Sentry2: {enemySpotted2}", secure_channel, 0, 1)
                        await asyncio.sleep(1.5)
                        send_message(f"Sentry2: {enemySpotted2}", secure_channel, 0, 2)
                        sentry_loop2 = 0
                        lastSpotted2 = enemySpotted2
                    else:
                        sentry_loop2 += 1
        
            if retry_int2:
                try:
                    await retry_interface(2)
                except Exception as e:
                    logger.error(f"System: retrying interface2: {e}")