import network
import ntptime
import utime
from machine import Pin, SoftI2C
from i2c_lcd import I2cLcd

# --- SETUP I2C & LCD ---
i2c = SoftI2C(sda=Pin(21), scl=Pin(22), freq=400000)
lcd = I2cLcd(i2c, 0x27, 2, 16)

# --- SETUP WIFI ---
# Menggunakan Wokwi-GUEST seperti pada contoh
SSID = 'Wokwi-GUEST'
PASSWORD = ''

# Offset waktu untuk WIB (UTC+7) = 7 * 60 * 60 = 25200 detik
TIMEZONE_OFFSET_SECONDS = 25200 

lcd.clear()
lcd.putstr("Connecting WiFi.")
print("Creating WLAN class...")
sta_if = network.WLAN(network.STA_IF)
sta_if.active(True)
sta_if.connect(SSID, PASSWORD)

while not sta_if.isconnected():
    lcd.putstr(".")
    print(".", end="")
    utime.sleep(0.5)

print("\nConnected! IP:", sta_if.ifconfig()[0])
lcd.clear()
lcd.putstr("WiFi Connected!")
utime.sleep(1)

# --- SINKRONISASI NTP ---
lcd.clear()
lcd.putstr("Syncing NTP...")
try:
    ntptime.settime()
    lcd.clear()
    lcd.putstr("NTP Sync OK!")
    print("Sinkronisasi NTP berhasil!")
except Exception as e:
    lcd.clear()
    lcd.putstr("NTP Failed!")
    print("NTP Error:", e)
utime.sleep(1)

# --- TAMPILKAN WAKTU DI LCD ---
lcd.clear()
while True:
    # Mengambil detik sejak epoch lalu ditambah offset WIB
    current_time = utime.time() + TIMEZONE_OFFSET_SECONDS
    
    # Konversi ke format tahun, bulan, hari, jam, menit, detik
    year, month, day, hour, minute, second, _, _ = utime.localtime(current_time)
    
    # Format agar selalu 2 digit (contoh: 09:05:02)
    tanggal = "{:02d}/{:02d}/{:04d}".format(day, month, year)
    waktu = "{:02d}:{:02d}:{:02d} WIB".format(hour, minute, second)
    
    # Tampilkan ke LCD
    lcd.move_to(0, 0)
    lcd.putstr("Tgl: " + tanggal)
    lcd.move_to(0, 1)
    lcd.putstr("Jam: " + waktu + "  ") # Spasi di akhir buat numpuk sisa karakter lama
    
    # Print ke terminal sesuai contoh
    print('Waktu saat ini:', '{:02d}:{:02d}:{:02d} {:02d}-{:02d}-{:04d}'.format(hour, minute, second, day, month, year))
    
    utime.sleep(1)