from machine import Pin
import time
import network

import BlynkLib
from BlynkTimer import BlynkTimer

# choose one
# import randomint
# import random

import dht
# import time

dhts=dht.DHT22(Pin((16)));

#AP : SSID and PASS  --> WOKWi default parameters
WIFI_SSID = 'CJ_Smart farm-5G'
WIFI_PASS = '1234567890'

BLYNK_AUTH = "Bs3lI80IDXqNwrsPrOkB2hNE_R8USAbu"
led01 = Pin( 14, Pin.OUT)   # GPIO14
led02 = Pin( 15, Pin.OUT)   # GPIO15

wifi = network.WLAN(network.STA_IF)
if not wifi.isconnected():
    print("Connecting to WiFi...")
    wifi.active(True)
    wifi.connect( WIFI_SSID, WIFI_PASS)
    while not wifi.isconnected():
        print(".", end="_")
        time.sleep(1)

print('\nWifi connected, IP:', wifi.ifconfig()[0])
blynk = BlynkLib.Blynk(BLYNK_AUTH, insecure=True) # for ESP8266

timer = BlynkTimer()
 
def upload_temp_and_humi():
    dhts.measure();
    tempX = dhts.temperature() + random.randint( -3 , 3 )  # randomint.rand( 6)
    humiX = dhts.humidity() + random.randint( -5, 5 )      # randomint.rand( 10)
    blynk.virtual_write( 0, tempX)
    time.sleep(0.1)
    blynk.virtual_write( 1, humiX)
    print("Publish... temp:{}, humi:{}".format(tempX, humiX))
 
timer.set_interval( 3, upload_temp_and_humi) # Interval : 3s

@blynk.on("connected")          # 주어진 인자의 값이 달라질 때, 그 때 함수 실행.
                                # 이 전과 같은 값이 유지되면, 실행되지 않는다는 뜻이다. 
# def blynk_connected(ping):    # 함수 이름은 아무렇게나 해도 된다. 어차피 아무데서도 쓰여지지 않는다.
def connected(ping):
    print('Blynk Server is Connected, ready. Ping:', ping, 'ms')
        
@blynk.on("disconnected")
# def blynk_disconnected():
def disconnected():
    print('Blynk Server is Disconnected')
    

# LED01
@blynk.on("V2")                 # 연결된 virtual Pin 번호가 인자로 주어진다.
# def blynk_handle_vpin2(value):
def vpin2(value):
    print("pin: V2 value: {}".format(value))
    if value[0] == '1':         # 값이 문자임에 주의!
        led01.on()
    else:
        led01.off()
        
# LED02
@blynk.on("V3")
# def blynk_handle_vpin3(value):
def vpin3(value):
    print("pin: V3 value: {}".format(value))
    if value[0] == '1':
        led02.on()
    else:
        led02.off()
        
# Main program
while True:
    blynk.run()
    timer.run()
    time.sleep(1)