import RPi.GPIO as GPIO
import logging
import time
from threading import Thread

import cherrypy # https://docs.cherrypy.org/en/latest/tutorials.html#tutorial-1-a-basic-web-application

cherrypy.config.update({
    'server.socket_host' : '192.168.178.49',
    'server.socket_port' : 8081,
})

logging.basicConfig(level=logging.INFO, format='%(asctime)s %(levelname)s - %(message)s')


PIN_GARAGE_BUTTON = 23
PIN_GATE_BUTTON = 24
PIN_GARAGE = 21
PIN_GATE = 26
PIN_LED = 11
PIN_DOOR_OPEN = 6
PIN_DOOR_CLOSED = 13
PIN_SENSOR_GATE= 19



GPIO.setmode(GPIO.BCM)
GPIO.setup(PIN_GARAGE_BUTTON, GPIO.IN, GPIO.PUD_UP)
GPIO.setup(PIN_GATE_BUTTON, GPIO.IN, GPIO.PUD_UP)
GPIO.setup(PIN_GARAGE, GPIO.OUT)
GPIO.setup(PIN_GATE, GPIO.OUT)
GPIO.setup(PIN_LED, GPIO.OUT)
GPIO.setup(PIN_DOOR_OPEN, GPIO.IN, GPIO.PUD_UP)
GPIO.setup(PIN_DOOR_CLOSED, GPIO.IN, GPIO.PUD_UP)
GPIO.setup(PIN_SENSOR_GATE, GPIO.IN, GPIO.PUD_UP)


def garage_button(channel):
    time.sleep(0.01) # el cheapo relay module creates lots of interference, so we check again after a waiting period (see https://electronics.stackexchange.com/a/361793/253533)
    if channel == 0 or GPIO.input(PIN_GARAGE_BUTTON) == False:
        logging.info("trigger motor")
        GPIO.output(PIN_GARAGE, GPIO.LOW)
        GPIO.output(PIN_LED, GPIO.HIGH)
        time.sleep(0.4)
        GPIO.output(PIN_GARAGE, GPIO.HIGH)
        GPIO.output(PIN_LED, GPIO.LOW)
    else:
        logging.info("flare (motor button)")

def gate_button(channel):
    time.sleep(0.01)
    if channel == 0 or GPIO.input(PIN_GATE_BUTTON) == False:
        logging.info("trigger remote")
        GPIO.output(PIN_GATE, GPIO.HIGH)
        GPIO.output(PIN_LED, GPIO.HIGH)
        time.sleep(0.4)
        GPIO.output(PIN_GATE, GPIO.LOW)
        GPIO.output(PIN_LED, GPIO.LOW)
    else:
        logging.info("flare (remote button)")
   
GPIO.add_event_detect(PIN_GARAGE_BUTTON, GPIO.FALLING, callback=garage_button, bouncetime=250)
GPIO.add_event_detect(PIN_GATE_BUTTON, GPIO.FALLING, callback=gate_button, bouncetime=250)

GPIO.output(PIN_GARAGE, GPIO.HIGH)
GPIO.output(PIN_GATE, GPIO.LOW)
GPIO.output(PIN_LED, GPIO.LOW)


class GarageService(object):
    @cherrypy.expose
    def index(self):
        return "Hello World!"
    
    # deprecated
    @cherrypy.expose
    def motor(self):
        Thread(target=garage_button,args=[0]).start()
        return "trigger garage door"
    
    # deprecated
    @cherrypy.expose
    def remote(self):
        Thread(target=gate_button,args=[0]).start()
        return "trigger gate"
    
    @cherrypy.expose
    def garage(self, action=None):
        if action == "open":
            Thread(target=garage_button,args=[0]).start()
            return "{ action: open }"
        elif action == "close":
            Thread(target=garage_button,args=[0]).start()
            return "{ action: close }"
        if (GPIO.input(PIN_DOOR_OPEN) and not GPIO.input(PIN_DOOR_CLOSED)):
            status = "true"
        else:
            status = "false"
        return "{ status: " + status + " }"
    
    @cherrypy.expose
    def gate(self, action=None):
        if action == "open":
            Thread(target=gate_button,args=[0]).start()
            return "{ action: open }"
        elif action == "close":
            Thread(target=gate_button,args=[0]).start()
            return "{ action: close }"
            
        if GPIO.input(PIN_SENSOR_GATE) == 0:
            status = "false"
        else:
            status = "true"
        return "{ status: " + status + " }"
    
    @cherrypy.expose
    def all(self):
        Thread(target=garage_button,args=[0]).start()
        Thread(target=gate_button,args=[0]).start()
        return "trigger all"



cherrypy.quickstart(GarageService())
logging.info('Shutdown')
logging.info('Reset GPIO configuration and close')
GPIO.cleanup()