import network ,machine 
import time
import BlynkLib
from hcsr04 import HCSR04
try:
    import urequests as requests
except ImportError:
    import requests
import gc 


sensor = HCSR04(trigger_pin=22, echo_pin=23)
led = machine.Pin(21, machine.Pin.OUT)
buzz = machine.Pin(19, machine.Pin.OUT)


ssid = 'Wokwi-GUEST'
password = ''

def connect_wifi(ssid, password):
    #Connect to your network
    station = network.WLAN(network.STA_IF)
    station.active(True)
    station.connect(ssid, password)
    while station.isconnected() == False:
        pass
    print('Connection successful')
    print(station.ifconfig())

connect_wifi(ssid,password)

BLYNK_AUTH = "NcaazvWXawwtIPMCkikwtTAVz7u4-69u"

blynk = BlynkLib.Blynk(BLYNK_AUTH)

@blynk.on("connected")
def blynk_connected(ping):
    print("Connecting.................")
    print('Blynk ready. Ping:', ping, 'ms')
    print("Connected!")

@blynk.on("V3")
def led_control(val):
    blynk.virtual_write(0,val)

def send_message(phone_number,api_key,message):
    url = 'https://api.callmebot.com/whatsapp.php?phone=' + phone_number + '&text=' + message + '&apikey=' + api_key
    response = requests.post(url)
    if response.status_code == 200:
        print('Success!')
    else:
        print('Error')
        print(response.text)

phone_number = '+923618734984'
api_key = '9751598'

while True:
    distance = sensor.distance_cm()
   
    if distance <= 10:
        buzz.on()
        led.on()
        message =f'Security%20System%20Breached'
        led_control("System Breached")
        time.sleep(0.5)
        send_message(phone_number,api_key,message)
        gc.collect()
        time.sleep(0.5)
    else:
        buzz.off()
        led.off()
        led_control("All Good")
        
    time.sleep(1)
    blynk.run()