from machine import Pin
import time
import urequests
import network

URL = "https://webhook.site/6d8251fb-ed69-4118-8d54-682b502d84eb"

pir = Pin(13, Pin.IN)

def connect_wifi():
    wlan = network.WLAN(network.STA_IF)
    wlan.active(True)
    wlan.connect("Wokwi-GUEST", "")

    print("Conectando ao WiFi...", end="")

    while not wlan.isconnected():
        print(".", end="")
        time.sleep(1)

    print("\nConectado!")
    print("IP:", wlan.ifconfig()[0])


def get_timestamp():
    return time.time()


def post_api(momento):
    payload = {
        "momento": momento,
        "movimento": True
    }

    try:
        response = urequests.post(URL, json=payload)
        print("Status:", response.status_code)
        response.close()
    except Exception as e:
        print("Erro:", e)


def main():
    print("=== PROJETO PIR ===")

    connect_wifi()

    last_state = 0

    while True:
        current = pir.value()

        # Detecta mudança de estado (LOW → HIGH)
        if current == 1 and last_state == 0:
            print("🚶 Movimento detectado!")
            post_api(get_timestamp())

        elif current == 0 and last_state == 1:
            print("Parou o movimento")

        last_state = current

        time.sleep(0.5)  # controla o loop


if __name__ == "__main__":
    main()