from machine import Pin, I2C
from ssd1306 import SSD1306_I2C
from mfrc522 import MFRC522
import utime

reader = MFRC522(spi_id=0,sck=2,miso=4,mosi=3,cs=1,rst=0)

# Configuration de l'afficheur OLED I2C
i2c = I2C(0, scl=Pin(9), sda=Pin(8), freq=400000)
oled = SSD1306_I2C(128, 64, i2c)

red = Pin(13, Pin.OUT)
green = Pin(12, Pin.OUT)
blue = Pin(11, Pin.OUT)

print("Bring RFID TAG Closer...")
##display_text("approche rfid", x=10, y=10)

while True:
    reader.init()
    (stat, tag_type) = reader.request(reader.REQIDL)
    if stat == reader.OK:
        (stat, uid) = reader.SelectTagSN()
        print("OK1")
        red.value(0)
        green.value(0)
        blue.value(1)
        if stat == reader.OK:
            card = int.from_bytes(bytes(uid),"little",False)
            print("OK2")
            
            if card == 1980835637:
                print("Card ID: "+ str(card)+" PASS: Green Light Activated")
                red.value(0)
                green.value(1)
                blue.value(0)
                print("OK3")
                oled.fill(0)
                oled.text("carte valide", 0, 0)
                oled.text("ID:", 0, 36)
                oled.text(""+ str(card)+"", 22, 36)
                oled.show()
                
                
            elif card == 45557151:
                print("Card ID: "+ str(card)+" PASS: Blue Light Activated")
                red.value(0)
                green.value(1)
                blue.value(0)
                print("OK4")
                oled.fill(0)
                oled.text("carte valide", 0, 0)
                oled.text("ID:", 0, 36)
                oled.text(""+ str(card)+"", 22, 36)
                oled.show()
                
            else:
                print("Card ID: "+ str(card)+" UNKNOWN CARD! Red Light Activated")
                red.value(1)
                green.value(0)
                blue.value(0)
                print("OK5")
                oled.fill(0)
                oled.text("carte invalide", 0, 0)
                oled.text("ID:", 0, 36)
                oled.text(""+ str(card)+"", 22, 36)
                oled.show()
    utime.sleep_ms(500)