import network
import urequests
from machine import Pin, ADC, I2C
import time
import ssd1306

# I2C OLED ayarları
i2c = I2C(0, scl=Pin(1), sda=Pin(0))

oled_width = 128
oled_height = 64
oled = ssd1306.SSD1306_I2C(oled_width, oled_height, i2c)

WIFI_SSID = 'Wokwi-GUEST'
WIFI_PASSWORD = ''

FIREBASE_URL = 'https://snake-5b1df-default-rtdb.firebaseio.com/.json'

def printText(text):
    oled.fill(0)
    oled.text(text, 10, 20)
    oled.show()

printText("Yukleniyor...")

def get_direction():
    try:
        response = urequests.get(FIREBASE_URL)
        data = response.json()
        response.close()
        return data.get("direction", "N/A")
    except Exception as e:
        print("Firebase bağlantı hatası:", e)
        return "N/A"

def connect_wifi():
    wlan = network.WLAN(network.STA_IF)
    wlan.active(True)
    wlan.connect(WIFI_SSID, WIFI_PASSWORD)
    while not wlan.isconnected():
        print("Bağlanıyor...")
        time.sleep(1)
    print("Bağlandı:", wlan.ifconfig())
    printText(get_direction())

def update_direction(direction):
    url = FIREBASE_URL
    headers = {"Content-Type": "application/json"}
    data = '{"direction": "' + direction + '"}'
    response = urequests.put(url, data=data, headers=headers)
    response.close()
    printText(direction)
    print("Yön güncellendi:", direction)

# Joystick pinleri ayarla
joystick_x = ADC(Pin(26))  # X ekseni (ADC0)
joystick_y = ADC(Pin(27))  # Y ekseni (ADC1)
button_pin = Pin(22, Pin.IN, Pin.PULL_UP)  # Joystick butonu

# Joystick'i kontrol etme fonksiyonu
def check_joystick():
    x_value = joystick_x.read_u16()  # 16 bit okuma
    y_value = joystick_y.read_u16()  # 16 bit okuma
    
    # Joystick'i X ve Y eksenlerine göre kontrol et
    if x_value < 1000:  # X ekseni sola hareket
        update_direction("left")
        time.sleep(0.5)  # Debounce süresi
    elif x_value > 60000:  # X ekseni sağa hareket
        update_direction("right")
        time.sleep(0.5)  # Debounce süresi
    
    if y_value < 1000:  # Y ekseni yukarı hareket
        update_direction("up")
        time.sleep(0.5)  # Debounce süresi
    elif y_value > 60000:  # Y ekseni aşağı hareket
        update_direction("down")
        time.sleep(0.5)  # Debounce süresi
    
    # Buton kontrolü
    if not button_pin.value():  # Joystick butonuna basılmışsa
        print("button pressed")
        time.sleep(0.5)  # Debounce süresi

connect_wifi()

try:
    while True:
        check_joystick()
        time.sleep(0.1)
except KeyboardInterrupt:
    print("Program durduruldu.")