import network
import time
from machine import Pin, I2C
import dht
import ssd1306
from umqtt.simple import MQTTClient

# -------- WIFI --------
ssid = "Wokwi-GUEST"
password = ""

# -------- MQTT --------
mqtt_broker = "broker.hivemq.com"
client_id = "esp32_temp_mov"
topic = b"sensor/temperatura_movimiento"

# -------- SENSOR DHT22 --------
sensor = dht.DHT22(Pin(15))

# -------- SENSOR PIR --------
pir = Pin(13, Pin.IN)

# -------- OLED --------
i2c = I2C(0, scl=Pin(22), sda=Pin(21))
oled = ssd1306.SSD1306_I2C(128, 64, i2c)

# -------- WIFI --------
wifi = network.WLAN(network.STA_IF)
wifi.active(True)
wifi.connect(ssid, password)

while not wifi.isconnected():
    print("Conectando WiFi...")
    time.sleep(1)

print("WiFi conectado")

# -------- MQTT --------
client = MQTTClient(client_id, mqtt_broker)
client.connect()

print("MQTT conectado")

oled.fill(0)
oled.text("Sistema iniciado", 0, 0)
oled.show()

time.sleep(2)

# -------- LOOP --------
while True:

    sensor.measure()
    temperatura = sensor.temperature()

    movimiento = pir.value()

    oled.fill(0)

    oled.text("Temp: {} C".format(temperatura), 0, 0)

    if movimiento == 1:
        oled.text("Movimiento: SI", 0, 20)
    else:
        oled.text("Movimiento: NO", 0, 20)

    oled.show()

    mensaje = "Temp:{} Mov:{}".format(
        temperatura, movimiento
    )

    client.publish(topic, mensaje)

    print("Datos enviados:", mensaje)

    time.sleep(5)