#
from machine import Pin # for pin read/write
import network # for wifi conenction
import urequests # for http request
import time # for delay in http request and debouncing

def wait_pin_change(pin):
    # wait for pin to change value
    # it needs to be stable for a continuous 20ms
    cur_value = pin.value()
    active = 0
    while active < 20:
        if pin.value() != cur_value:
            active += 1
        else:
            active = 0
        time.sleep_ms(1)

# Button shield connects pin D0, normally HIGH
button = Pin(0, Pin.IN)

# Onboard ESP chip led
onboardLed = Pin(2, Pin.OUT) # define pin and
onboardLed.value(1)
# 5mm led on D1
led = Pin(5, Pin.OUT)

# Prevents spamming of serial
pressedMessagePrinted = False
notPressedMessagePrinted = False

# wifi connection
sta = network.WLAN(network.STA_IF)
sta.active(True)
sta.connect("xxxxx", "xxxxxx")

while True:

# Led indication for Wifi connection
    if sta.isconnected():
        led.value(1)
    else:
        led.value(0)

    if not button.value(): #button pressed
        wait_pin_change(button)
        if not pressedMessagePrinted:
            print('Button pressed')
            onboardLed.value(0)
            pressedMessagePrinted = True
            notPressedMessagePrinted = False
            urequests.get("http://192.168.1.102/control?cmd=GPIO,5,1") # garage door relay on
            #time.sleep_ms(100)
            urequests.get("http://192.168.1.102/control?cmd=GPIO,5,0")  # garage door relay off

    else: #button not pressed
        #wait_pin_change(button)
        if not notPressedMessagePrinted:
            print('Button not pressed')
            onboardLed.value(1)
            notPressedMessagePrinted = True
            pressedMessagePrinted = False