import network
import time
import urequests

# Wi-Fi Wokwi
SSID = "Wokwi-GUEST"
PASSWORD = ""

# ====== ThingSpeak ======
WRITE_API_KEY = "C4XCAS4RMT4Z5HMS"
URL = "https://api.thingspeak.com/update"

def connect_wifi():
    wlan = network.WLAN(network.STA_IF)
    wlan.active(True)

    if not wlan.isconnected():
        wlan.connect(SSID, PASSWORD)
        print("Connexion Wi-Fi...")
        t0 = time.ticks_ms()
        while not wlan.isconnected():
            if time.ticks_diff(time.ticks_ms(), t0) > 15000:
                raise RuntimeError("Timeout Wi-Fi")
            time.sleep(0.2)

    print("Connecté :", wlan.ifconfig())


def send_to_thingspeak(temp, hum):
    # ThingSpeak attend field1, field2, ...
    body = "api_key={}&field1={}&field2={}".format(WRITE_API_KEY, temp, hum)

    headers = {
        "Content-Type": "application/x-www-form-urlencoded"
    }

    print("Body:", body)
    r = urequests.post(URL, data=body, headers=headers)

    print("Status:", r.status_code)
    print("Réponse:", r.text)   # normalement un numéro d'entrée (ex: "123")
    r.close()


connect_wifi()
time.sleep(1)

while True:
    try:
        # Exemple valeurs (remplace par capteur réel si tu veux)
        temperature = 25.4
        humidity = 58

        send_to_thingspeak(temperature, humidity)

    except Exception as e:
        print("Erreur:", e)

    time.sleep(20)  # ThingSpeak minimum 15 sec entre envois