from machine import Pin, ADC
import time

red_led = Pin(3, Pin.OUT)
green_led = Pin(10, Pin.OUT)
blue_led = Pin(28, Pin.OUT)

ldr = ADC(Pin(27))

def detect_color(light_value):
    print(f"Light Value: {light_value}")  
    if light_value < 500:
        # Simulate red color detection (low light intensity)
        red_led.on()
        green_led.off()
        blue_led.off()
        print('Detected color: Red')
    elif 500 <= light_value < 1500:
        # Simulate green color detection (medium light intensity)
        red_led.off()
        green_led.on()
        blue_led.off()
        print('Detected color: Green')
    elif 1500 <= light_value < 2500:
        # Simulate blue color detection (higher light intensity)
        red_led.off()
        green_led.off()
        blue_led.on()
        print('Detected color: Blue')
    else:
        # If the light intensity is very high, we turn off all LEDs (no color detected)
        red_led.off()
        green_led.off()
        blue_led.off()
        print('No significant color detected')

# Main loop
while True:
    # Read the value from LDR (light sensor)
    light_value = ldr.read_u16()
    
    # Normalize light_value to a more appropriate range for comparison (0-4095 range)
    light_value = light_value / 1024 * 4095  # Normalize LDR value (0-4095 range)

    # Simulate color detection based on the LDR reading
    detect_color(light_value)

    # Delay for a second before taking the next reading
    time.sleep(1)