import sys
import serial
import time
import traceback
import syslog
from db_conn import connect
import dateutil.parser
from datetime import timedelta, datetime, timezone
sys.path.append('/home/thebears/Nextcloud/Designs/NuggetTracker/CommonCode/')
from track import Temperature, VerticalWheel, ActivityLogger, Weight, BaseSensorPost, HorizontalWheel, Paired
import os

sq = connect()

commit_interval = 60
code_heartbeat = 10*60

def now():
    return datetime.now(timezone.utc)

last_commit = now()
last_heartbeat = now()

func_ref = {'T:':Temperature(sq, 'floor2temperature'), 'V:':VerticalWheel(sq, 'verticalwheel'), 'M:':ActivityLogger(sq,'activities'),
        'W':Weight(sq,'food_weight'), 'S:':HorizontalWheel(sq, 'horizontalwheel'), 'D':ActivityLogger(sq,'food_dispenser'), 'A':Paired(sq,'food_forager')};

code_start = BaseSensorPost(sq, 'started')
code_start.insert_heartbeat(now())


heartbeat = BaseSensorPost(sq, 'code')

ser = serial.Serial('/dev/winslowMONITOR', 9600, timeout=None)
#ser = serial.Serial('/dev/ttyACM0',57600,timeout=None)
while True:    
    try:
        if os.path.exists('/dev/shm/mealies_open.txt'):
            os.remove('/dev/shm/mealies_open.txt')
            ser.write(b'n')

        if os.path.exists('/dev/shm/mealies_close.txt'):
            os.remove('/dev/shm/mealies_close.txt')
            ser.write(b'o')

        if os.path.exists('/dev/shm/mealies_next.txt'):
            os.remove('/dev/shm/mealies_next.txt')
            ser.write(b'p')





        if os.path.exists('/dev/shm/mealies2_open.txt'):
            os.remove('/dev/shm/mealies2_open.txt')
            ser.write(b'c')

        if os.path.exists('/dev/shm/mealies2_reset.txt'):
            os.remove('/dev/shm/mealies2_reset.txt')
            ser.write(b'd')

        if os.path.exists('/dev/shm/mealies2_open_all.txt'):
            os.remove('/dev/shm/mealies2_open_all.txt')
            ser.write(b'e')




        if os.path.exists('/dev/shm/mealies_reinit.txt'):
            os.remove('/dev/shm/mealies_reinit.txt')
            ser.write(b'q')


        if os.path.exists('/dev/shm/i2c_reinit.txt'):
            os.remove('/dev/shm/i2c_reinit.txt')
            ser.write(b'r')
        
        if os.path.exists('/dev/shm/winslow/mealies2_reset.txt'):
            os.remove('/dev/shm/winslow/mealies2_reset.txt')
            ser.write(b'd')

    except:
        e = traceback.format_exc()
        print(e)
        syslog.syslog(syslog.LOG_ERR,e)




    try:

        data = ser.readline()
        string = data.decode('UTF-8')
        print(string)
        syslog.syslog(syslog.LOG_INFO,string)
        parse_str = string.strip()
        time_init = now()
        for startchars, function in func_ref.items():
            if parse_str.startswith(startchars):
                print(parse_str, function)
                function.parse(time_init,parse_str)


        sq['s'].commit()
        curr_time = now()
        if (curr_time - last_heartbeat).seconds > code_heartbeat:
            heartbeat.insert_heartbeat(curr_time)
            


    except:
            e = traceback.format_exc()
            print(e)
            syslog.syslog(syslog.LOG_ERR,e)