void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
}

void loop() {
  import network
import time
from machine import Pin
import dht
import ujson
from umqtt.simple import MQTTClient

# Parámetros del servidor MQTT
MQTT_CLIENT_ID = "micropython-weather-demo"
MQTT_BROKER    = "broker.mqttdashboard.com"
MQTT_USER      = ""
MQTT_PASSWORD  = ""
MQTT_TOPIC     = "wokwi-weather"

# Configuración de pines
DHT_PIN = 15
TEMP_LED_PIN = 14
HUMID_LED_PIN = 13
BUTTON_TEMP_PIN = 26
BUTTON_HUMID_PIN = 27

# Inicialización de componentes
sensor = dht.DHT22(Pin(DHT_PIN))
temp_led = Pin(TEMP_LED_PIN, Pin.OUT)
humid_led = Pin(HUMID_LED_PIN, Pin.OUT)
button_temp = Pin(BUTTON_TEMP_PIN, Pin.IN, Pin.PULL_UP)
button_humid = Pin(BUTTON_HUMID_PIN, Pin.IN, Pin.PULL_UP)

# Conexión a WiFi
print("Connecting to 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="")
    time.sleep(0.1)
print(" Connected!")

# Conexión a servidor MQTT
print("Connecting to MQTT server... ", end="")
client = MQTTClient(MQTT_CLIENT_ID, MQTT_BROKER, user=MQTT_USER, password=MQTT_PASSWORD)
client.connect()
print("Connected!")

prev_weather = ""

while True:
    print("Measuring weather conditions... ", end="")
    sensor.measure()
    temperature = sensor.temperature()
    humidity = sensor.humidity()
    
    # Verificación de umbrales y control de LEDs
    if temperature > 45:
        temp_led.on()
    else:
        temp_led.off()
    
    if humidity < 25 or humidity > 60:
        humid_led.on()
    else:
        humid_led.off()

    # Control de LEDs con botones
    if button_temp.value() == 0:  # Botón presionado
        temp_led.off()
    if button_humid.value() == 0:  # Botón presionado
        humid_led.off()

    # Preparación y envío del mensaje MQTT
    message = ujson.dumps({
        "temp": temperature,
        "humidity": humidity,
    })
    
    if message != prev_weather:
        print("Updated!")
        print("Reporting to MQTT topic {}: {}".format(MQTT_TOPIC, message))
        client.publish(MQTT_TOPIC, message)
        prev_weather = message
    else:
        print("No change")

    time.sleep(1)

  delay(10); // this speeds up the simulation
}