from machine import Pin
from utime import sleep
from umqtt.simple import MQTTClient
import network
import time

# Inisialisasi LED
led = Pin(15, Pin.OUT)

# Konfigurasi MQTT
MQTT_CLIENT_ID = "asdfghjkl"
MQTT_BROKER = "broker.emqx.io"
MQTT_USER = ""
MQTT_PASSWORD = ""
MQTT_TOPIC = "SEMOGA SEMANGATNYA GA DIAWAL DOANG TAPI SETERUSNYA/nadira_najmi_rahmany/data_sensor"

# Fungsi Callback untuk pesan MQTT
def on_message(topic, msg):
    print(f"Message arrived in topic: {topic.decode('utf-8')}")
    print(f"Message: {msg.decode('utf-8')}")
    if msg.decode('utf-8') == "Turn On":
        led.on()  # Nyalakan LED
        print("LED is ON")
    elif msg.decode('utf-8') == "Turn Off":
        led.off()  # Matikan LED
        print("LED is OFF")
    print("-----------------------")

# Koneksi 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!")

# Koneksi ke MQTT Broker
print("Connecting to MQTT server... ", end="")
client = MQTTClient(MQTT_CLIENT_ID, MQTT_BROKER, user=MQTT_USER, password=MQTT_PASSWORD)
client.set_callback(on_message)  # Tetapkan callback
client.connect()
client.subscribe(MQTT_TOPIC)  # Subscribe ke topik
print("Connected and subscribed!")

# Loop utama untuk menangani pesan MQTT
try:
    while True:
        client.wait_msg()  # Tunggu pesan dari broker
        sleep(0.1)  # Tambahkan jeda kecil untuk efisiensi
except KeyboardInterrupt:
    print("Disconnecting...")
    client.disconnect()