import machine
import utime
import dht

# Inisialisasi sensor DHT22 di GPIO12
dht22 = dht.DHT22(machine.Pin(12))

# Nama file simulasi di Wokwi
FILE_PATH = "data_logger.txt"

# Fungsi membaca sensor DHT22
def baca_sensor():
    dht22.measure()
    suhu = dht22.temperature()
    kelembaban = dht22.humidity()
    return suhu, kelembaban

# Fungsi menyimpan data ke file
def simpan_data():
    try:
        suhu, kelembaban = baca_sensor()
        waktu = utime.localtime()
        timestamp = f"{waktu[0]:04d}-{waktu[1]:02d}-{waktu[2]:02d} {waktu[3]:02d}:{waktu[4]:02d}:{waktu[5]:02d}.00 UTC"

        # Format data JSON
        data = f'{{"waktu":"{timestamp}", "suhu":{suhu:.2f}, "kelembaban":{kelembaban:.2f}}}\n'
        
        # Simpan ke file lokal di Wokwi
        with open(FILE_PATH, "a") as file:
            file.write(data)
        
        # Tampilkan di terminal
        print("Data tersimpan:", data)

    except Exception as e:
        print("Gagal membaca sensor atau menyimpan data:", e)

# Loop utama: Simpan data setiap 1 detik
while True:
    simpan_data()
    utime.sleep(1)