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

# Inisialisasi sensor DHT22 (pakai GPIO 14)
dht_sensor = dht.DHT22(Pin(14))

# Inisialisasi LED (pakai GPIO 2, biasanya LED built-in ESP32 di Wokwi)
led = Pin(2, Pin.OUT)
led.value(1)  # LED menyala saat program aktif

# Setup WiFi
ssid = "Wokwi-GUEST"  # Atau WiFi lain kalau kamu pakai simulator WiFi
password = ""

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

print("Menghubungkan ke WiFi...")
while not wifi.isconnected():
    time.sleep(1)
print("✅ WiFi Terhubung:", wifi.ifconfig())

# URL server Flask kamu (dari ngrok)
FLASK_URL = "https://251e-35-245-117-53.ngrok-free.app/kirim"  # Ganti dengan URL ngrok dan endpoint /kirim

# Kirim data setiap 10 detik
try:
    while True:
        try:
            dht_sensor.measure()
            suhu = dht_sensor.temperature()
            kelembapan = dht_sensor.humidity()
            print(f"Suhu: {suhu}°C, Kelembapan: {kelembapan}%")

            # Kirim data ke server Flask dalam format JSON
            data = ujson.dumps({"suhu": suhu, "kelembapan": kelembapan})
            headers = {'Content-Type': 'application/json'}
            response = urequests.post(FLASK_URL, data=data, headers=headers)
            print("Server response:", response.text)
            response.close()
        except Exception as e:
            print("❌ Gagal baca/kirim data:", e)

        time.sleep(10)

except KeyboardInterrupt:
    print("Program dihentikan.")
    led.value(0)  # Matikan LED saat program berhenti