from machine import Pin, PWM
from umqtt.simple import MQTTClient
import time
import json
import network
import dht

# **************************************#
# Objects:
led = Pin(4, Pin.OUT) # GPIO 04: led interno NodeMCU
d = dht.DHT22(Pin(2))
pir_sensor = Pin(25, Pin.IN)
led_ama = Pin(27, Pin.OUT)
# **************************************#

# Configure the ESP32 wifi as STAtion.
sta = network.WLAN(network.STA_IF)
if not sta.isconnected():
    print('Conectándose a la red...')
    sta.active(True)
    sta.connect('Wokwi-GUEST', '')
    while not sta.isconnected():
        pass
print ('Conectado a la red.')
print('Configuración de la red:', sta.ifconfig())
# **************************************#

print("Pasando a THINGSBOARD")

# Global variables and constants:
username = "anoe4ceoww1djnr34qck"
broker = "thingsboard.cloud"
topic = "v1/devices/me/telemetry"
Mqtt_CLIENT_ID = "v598qgf7bqwl26zpwztk"        # Max. Number is 23 due to MQTT specs
PASSWORD = "qd43qpcqrsoqyr67cek3"
client = MQTTClient(client_id=Mqtt_CLIENT_ID, server=broker, port=1883,
                    user=username, password=PASSWORD, keepalive=10000)  # Configuración del Cliente MQTT
client.connect()
UPDATE_TIME_INTERVAL = 1000  # in ms unit
last_update = time.ticks_ms()
# **************************************#
data = dict()
# **************************************#
led_estado = True
led_ama_estado = False
print("Conectado a THINGSBOARD")
time.sleep(4)

# Main loop:
while True:
    if time.ticks_ms() - last_update >= UPDATE_TIME_INTERVAL:
        last_update = time.ticks_ms()
        
        d.measure()
        t = d.temperature()
        h = d.humidity()
        pir = pir_sensor.value()

        # Condicionales para activar LEDs
        if pir == 1:  # Si se detecta movimiento
            led_ama.value(1)
            led_ama_estado = True
        else:
            led_ama.value(0)
            led_ama_estado = False

        if h <= 50.0:  # Si la humedad es igual o menor a 50%
            led.value(1)
            led_estado = True
        else:
            led.value(0)
            led_estado = False

        data["temperature"] = t
        data["humidity"] = h
        data["led"] = led_estado
        data["led_ama"] = led_ama_estado
        data2 = json.dumps(data)  # convert it to json

        client.publish(topic, data2)
        print("Datos publicados")
        print(f"{t}    {h}    {led_ama_estado}")
        print('conexión finalizada')