from machine import Pin
import time  
from time import sleep_ms
import dht
import ujson
from umqtt.simple import MQTTClient
import network

MQTT_CLIENT_ID = "micropython-weather-demo"
MQTT_BROKER    = "broker.mqttdashboard.com"
MQTT_USER      = ""
MQTT_PASSWORD  = ""
MQTT_TOPIC     = "wokwi-weather"

sensor = dht.DHT22(Pin(15))
Led = Pin (23,Pin.OUT, value = 0)
sensor = dht.DHT22(Pin(25))
buzzer = Pin(23,Pin.OUT, value = 0) 

print("Conectando ao WiFi", end="")
sta_if = network.WLAN(network.STA_IF)
sta_if.active(True)
sta_if.connect('Wokwi-GUEST', '')
while not sta_if.isconnected():
  print(".", end="")
  sleep_ms(1000)
print(" Conectado ")

print("Conectando ao servidor MQTT... ", end="")
client = MQTTClient(MQTT_CLIENT_ID, MQTT_BROKER, user=MQTT_USER, password=MQTT_PASSWORD)
client.connect()

print(" Conectado")

while True:
    dados ['ts'] = (time( ) + 946_684_800)*1000
    sensor.measure()
    temp = sensor.temperature()
    humid = sensor.humidity()

    if (humid > 70 or humid < 30) or (temp > 30 or temp < 10):
        if (humid > 70 or humid < 30) and (temp > 30 or temp < 10):
            print (f'''Falha crítica:
            Temperatura: {temp}°C,
            Umidade:    {humid}%''')  
            Led.on()
            sleep_ms(500)
            Led.off()
            sleep_ms(250)

            buzzer.value(1)
            sleep_ms(500)
            buzzer.value(0)
            buzzer.value(500)

        else:
            if temp > 30:
                print(f'''
            Temperatura Alta: {temp}°C
            Umidade normal: {humid}%''')

            elif temp < 15:
                print(f'''
            Temperatura Baixa: {temp}°C
            Umidade normal: {humid}%''')

            elif humid > 70:
                print(f'''
            Umidade Alta: {humid}%
            Temperatura normal {temp}°C''')

            elif humid < 30:
                print(f'''
            Umidade Baixa: {humid}%
            Temperatura normal: {temp}°C''')

            Led.on()
            sleep_ms(1000)
            Led.off()
            sleep_ms(500)

            buzzer.value(1)
            sleep_ms(1000)
            buzzer.value(0)
            buzzer.value(500)

    else:
        print (f'''Condições normais:
    Temperatura: {temp}°C;
    Umidade:    {humid}%''')
        Led.off()
    
    sleep_ms(1000)