import RPi.GPIO as GPIO
import time
import Adafruit_SSD1306
from PIL import Image, ImageDraw, ImageFont

# Set up GPIO pins
GPIO.setmode(GPIO.BCM)
red_led = 17
yellow_led = 23
green_led = 24
GPIO.setup(red_led, GPIO.OUT)
GPIO.setup(yellow_led, GPIO.OUT)
GPIO.setup(green_led, GPIO.OUT)

# Set up OLED display
RST = None
disp = Adafruit_SSD1306.SSD1306_128_64(rst=RST)
disp.begin()
disp.clear()
disp.display()

# Create image and drawing objects
width = disp.width
height = disp.height
image = Image.new('1', (width, height))
draw = ImageDraw.Draw(image)
font = ImageFont.load_default()

def display_text(text):
    draw.rectangle((0, 0, width, height), outline=0, fill=0)
    draw.text((0, 0), text, font=font, fill=255)
    disp.image(image)
    disp.display()

try:
    while True:
        # Red light
        GPIO.output(red_led, GPIO.HIGH)
        GPIO.output(yellow_led, GPIO.LOW)
        GPIO.output(green_led, GPIO.LOW)
        display_text("RED LIGHT")
        time.sleep(5)

        # Green light
        GPIO.output(red_led, GPIO.LOW)
        GPIO.output(yellow_led, GPIO.LOW)
        GPIO.output(green_led, GPIO.HIGH)
        display_text("GREEN LIGHT")
        time.sleep(5)

        # Yellow light
        GPIO.output(red_led, GPIO.LOW)
        GPIO.output(yellow_led, GPIO.HIGH)
        GPIO.output(green_led, GPIO.LOW)
        display_text("YELLOW LIGHT")
        time.sleep(2)

except KeyboardInterrupt:
    GPIO.cleanup()
    disp.clear()
    disp.display()