import network
import time
from machine import Pin, ADC, SoftI2C
from utime import sleep
from lcd_api import LcdApi
from i2c_lcd import I2cLcd

# Function to connect to Wi-Fi
def connect_to_wifi():
    print("Connecting to WiFi", end="")
    sta_if = network.WLAN(network.STA_IF)
    sta_if.active(True)
    sta_if.connect('Wokwi-GUEST', '')
    while not sta_if.isconnected():
        print(".", end="")
        time.sleep(0.1)
    print(" Connected!")

# Wi-Fi connection
connect_to_wifi()

# Initialize I2C for the LCD
i2c = SoftI2C(scl=Pin(22), sda=Pin(21), freq=400000)
i2c_addresses = i2c.scan()
print("I2C addresses found:", i2c_addresses)
if not i2c_addresses:
    raise Exception("No I2C devices found")
lcd_address = i2c_addresses[0]
lcd = I2cLcd(i2c, lcd_address, 2, 16)

#potentiometer
potentiometer = ADC(Pin(34))
potentiometer.atten(ADC.ATTN_11DB)

#button
button = Pin(25, Pin.IN, Pin.PULL_UP)

# State variable
verification_done = False

# Function to read potentiometer and display value on LCD
def display_potentiometer_value():
    global verification_done
    while not verification_done:
        if button.value() == 0:  # Button pressed
            pot_value = potentiometer.read()
            set_hours = (pot_value / 4095.0) * 12
            lcd.clear()
            lcd.putstr("Hours set to {:.0f}H".format(set_hours))
            sleep(1)  # Display for 1 second
            verification_done = True
        else:
            pot_value = potentiometer.read()
            lcd.clear()
            lcd.putstr("Set hours {:.0f}H".format((pot_value / 4095.0) * 24))  # Lets you choose the hours with the potentiometer
        sleep(0.5)

# Call the function to start displaying the potentiometer value
display_potentiometer_value()

# Stop refreshing LCD and end program after verification
lcd.clear()
print("Verification complete. Hours set to {:.0f}H".format(set_hours))