from machine import Pin
import time, network, random

import BlynkLib
from BlynkTimer import BlynkTimer

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

#wifi 연결
ssid = 'CJ_Smart farm-5G'
password= '1234567890'
wifi = network.WLAN(network.STA_IF)
if not wifi.isconnected():
    print("Connecting to WiFi...")
    wifi.active(True)
    wifi.connect( ssid, password)
    while not wifi.isconnected():
        print(".", end="_")
        time.sleep(1)
print('\nWifi connected, IP:', wifi.ifconfig()[0])

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

red_led = Pin( 14, Pin.OUT)   # GPIO14
blue_led = Pin( 15, Pin.OUT)   # GPIO15


# Blynk 연결
BLYNK_AUTH = "R0-WaEsABBTA3q6Y1mkYGQ8lueo94JZ4"
blynk = BlynkLib.Blynk(BLYNK_AUTH, insecure=True) 
timer = BlynkTimer()
 
def upload_temp_and_humi():
    dhts.measure();
    temp = dhts.temperature() + random.randint( -3 , 3 )  
    humi = dhts.humidity() + random.randint( -5, 5 )      
    blynk.virtual_write( 2, temp)
    time.sleep(0.1)
    blynk.virtual_write( 3, humi)
    print("Publish... temp:{temp}, humi:{humi}")
 
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 connected(ping):            # 함수 이름은 아무렇게나 해도 된다. 어차피 아무데서도 쓰여지지 않는다.
    print('Blynk Server is Connected, ready. Ping:', ping, 'ms')
        
@blynk.on("disconnected")
def disconnected():
    print('Blynk Server is Disconnected')

# Red LED
@blynk.on("V0")                 # 연결된 virtual Pin 번호가 인자로 주어진다.
def vpin0(value):
    if value[0] == '1':         # 값이 문자임에 주의!
        red_led.on()
        status = 'ON'
    else:
        red_led.off()
        status = 'OFF'
    print(f"Red_Led is {status}")

        
# Blue LED
@blynk.on("V1")
def vpin3(value):
    if value[0] == '1':
        blue_led.on()
        status = 'ON'
    else:
        blue_led.off()
        status = 'OFF'
    print(f"Blue_Led is {status}")
        
# Main program
while True:
    blynk.run()
    timer.run()
    time.sleep(1)