import network
import urequests
import time
from machine import Pin
import dht

# WiFi Configuration (Wokwi)
SSID = "Wokwi-GUEST"
PASSWORD = ""

# ThingSpeak Configuration
API_KEY = "LOCKPH8BPRHEKR1A"
URL = "https://api.thingspeak.com/update"

# DHT22 Sensor on GPIO4 (essayez GPIO4 au lieu de GPIO15)
sensor = dht.DHT22(Pin(4))

# Attendre que le capteur soit pret
print("Initialisation du capteur DHT22...")
time.sleep(2)

# WiFi Connection
wifi = network.WLAN(network.STA_IF)
wifi.active(True)
wifi.connect(SSID, PASSWORD)

print("Connexion au WiFi...")
timeout = 0
while not wifi.isconnected() and timeout < 10:
    time.sleep(1)
    print(".", end="")
    timeout += 1

if wifi.isconnected():
    print("\nWiFi connecte!")
    print("IP:", wifi.ifconfig()[0])
else:
    print("\nEchec connexion WiFi!")

time.sleep(5)

# Main Loop
compteur = 0
while True:
    try:
        compteur += 1
        print("\n========== Envoi #", compteur, "==========")
        
        # Attendre un peu avant de lire le capteur
        time.sleep(0.5)
        
        sensor.measure()
        time.sleep(0.5)  # Attendre que la mesure soit complete
        
        temp = sensor.temperature()
        hum = sensor.humidity()

        print("Temperature:", temp, "C")
        print("Humidite:", hum, "%")

        if wifi.isconnected():
            # Build URL with GET parameters
            params = "?api_key={}&field1={}&field2={}".format(API_KEY, temp, hum)
            full_url = URL + params
            
            print("URL:", full_url)
            print("Envoi vers ThingSpeak...")
            
            response = urequests.get(full_url)
            
            print("Code HTTP:", response.status_code)
            print("Reponse:", response.text)
            
            if response.status_code == 200:
                print(">>> SUCCES! Entry number:", response.text)
            else:
                print(">>> ERREUR HTTP:", response.status_code)
            
            response.close()
        else:
            print(">>> WiFi deconnecte!")

    except Exception as e:
        print(">>> ERREUR:", e)
        import sys
        sys.print_exception(e)

    print("Attente 20 secondes...")
    time.sleep(20)