from machine import Pin
import time

s1 = Pin(2, Pin.IN, Pin.PULL_DOWN)
s2 = Pin(0, Pin.IN, Pin.PULL_DOWN)
s3 = Pin(4, Pin.IN, Pin.PULL_DOWN)

unlock_led = Pin(26, Pin.OUT)
alarm_led = Pin(25, Pin.OUT)
blue_led = Pin(16, Pin.OUT)    

print("Escape Room Controller Active.")

while True:
    val1 = s1.value()
    val2 = s2.value()
    val3 = s3.value()
    
    if val3 == 1 and val2 == 1 and val1 == 1:
        unlock_led.value(1) 
        alarm_led.value(0)
        blue_led.value(0)  
        time.sleep_ms(50)
        
    elif val3 == 0 and val2 == 1 and val1 == 1:
        unlock_led.value(0)
        blue_led.value(0)   
        alarm_led.value(1)  
        time.sleep_ms(100)
        alarm_led.value(0)
        time.sleep_ms(100)
        
    else:
        unlock_led.value(0)
        alarm_led.value(0)
        blue_led.value(1)  
        time.sleep_ms(50)
        time.sleep_ms(950)