print("Hello, ESP32!")


#####################################
###### IMPORT LIBRARIES
#####################################
from machine import Pin, ADC, I2C, Timer
from utime import sleep, sleep_ms
from i2c_lcd import I2cLcd
from ssd1306 import SSD1306_I2C

#####################################
###### PIN CONFIGURATIONS
#####################################
# Digital Outputs
led_pin = Pin(18, Pin.OUT)  # For DIP switch
rgb_red = Pin(0, Pin.OUT)
rgb_green = Pin(2, Pin.OUT)
rgb_blue = Pin(15, Pin.OUT)

# Digital Inputs
push_btn = Pin(14, Pin.IN, Pin.PULL_DOWN)
slide_switch = Pin(12, Pin.IN, Pin.PULL_DOWN)
dip_switch = Pin(19, Pin.IN, Pin.PULL_DOWN)
pir_sensor = Pin(32, Pin.IN)

# Analog Input
pot = ADC(Pin(13))
pot.atten(ADC.ATTN_11DB)  # Allow full range of 0-3.3V

# I2C
i2c = I2C(0, scl=Pin(22), sda=Pin(21), freq=400000)
lcd = I2cLcd(i2c, 0x27, 2, 16)
oled = SSD1306_I2C(128, 64, i2c)

# Timer
timer = Timer(0)

#####################################
###### SUBROUTINES
#####################################
def led_on():
    led_pin.on()

def led_off():
    led_pin.off()

def rgb_off():
    rgb_red.value(1)
    rgb_green.value(1)
    rgb_blue.value(1)

def display_motion():
    lcd.clear()
    lcd.move_to(0, 0)
    lcd.putstr("Motion Detected")

def display_pot(val):
    oled.fill(0)
    oled.text("Pot: {}".format(val), 0, 0)
    oled.show()

def pushbutton_handler(pin):
    rgb_red.value(0)
    sleep(0.5)
    rgb_red.value(1)

#####################################
###### INTERRUPT CONFIGURATION
#####################################
push_btn.irq(trigger=Pin.IRQ_RISING, handler=pushbutton_handler)

#####################################
###### TIMER FUNCTION
#####################################
def timer_callback(t):
    rgb_blue.value(0)
    sleep(1)
    rgb_blue.value(1)

# Start the timer
# Calls every 2 seconds
# Note: Wokwi doesn't simulate Timer accurately; use sleep if needed
timer.init(period=2000, mode=Timer.PERIODIC, callback=timer_callback)

#####################################
###### MAIN LOOP
#####################################
while True:
    # DIP switch 1 controls LED
    if dip_switch.value():
        led_on()
    else:
        led_off()

    # Slide switch controls GREEN RGB
    if slide_switch.value():
        rgb_green.value(0)
        rgb_red.value(1)
    else:
        rgb_green.value(1)

    # PIR Motion Sensor to LCD
    if pir_sensor.value():
        display_motion()

    # Potentiometer value to OLED
    pot_value = pot.read()
    display_pot(pot_value)

    # Timer now handles RGB BLUE blinking — removed manual sleep here