from machine import Pin, SoftI2C, PWM
from utime import sleep, sleep_us, ticks_us, sleep_ms
from i2c_lcd import I2cLcd
from servo import Servo
import network
import utelegram
from dht import DHT22


i2c = SoftI2C(sda=Pin(21), scl=Pin(22))
lcd = I2cLcd(i2c, 0x27, 4, 20)

servo1 = Servo(19)
servo1.write_angle(0)

trigger1 = Pin(32, Pin.OUT)
echo1 = Pin(33, Pin.IN)
led = Pin(12, Pin.OUT)

weather = DHT22(Pin(25))

door = 'Close'

def door_open(message):
    global door
    servo.write_angle(180)
    door = 'Open'
    bot.send(message['message']['chat']['id'], f'Door is {door}!')


def status(message):
    global door


def show_text(message):
    lcd.clear()
    lcd.putstr(message['message']['text'])
    bot.send(message['message']['chat']['id'], 'Ok!')

def ultra(trigger, echo):
    trigger.off()
    sleep_us(2)
    trigger.on()
    sleep_us(5)
    trigger.off()
    while echo.value() == 0:
        signal_off = ticks_us()
    while echo.value() == 1:
        signal_on = ticks_us()
    try:
        time_pass = signal_on - signal_off
    except NameError:
        return 0
    return time_pass/58

def check_distance(message):
    distance = ultra(trigger1, echo1)
    bot.send(message['message']['chat']['id'], f'Distance to object: {distance:.1f}cm')

def kalk(message):
    a=input("Введіть математичний вираз")
    b=eval(a)
    bot.send(message['message']['chat']['id'], b)

def led_on(message):
    led.on()
    bot.send(message['message']['chat']['id'], 'Led is ON!')

def led_off(message):
    led.off()
    bot.send(message['message']['chat']['id'], 'Led is OFF!')

def show_weather(message):
    weather.measure()
    temp = weather.temperature()
    hum = weather.humidity()
    bot.send(message['message']['chat']['id'], f'Temperature: {temp}C\nHumidity: {hum}%')

def find(message):
    bot.send(message['message']['chat']['id'], 'Buzzer making sound')
    for i in range(15):
        buzzer = PWM(Pin(26), 1000, duty=512)  
        sleep_ms(300)
        buzzer.deinit()
        sleep_ms(201)

def found(message):
    bot.send(message['message']['chat']['id'], 'Congratulations')
    buzzer = PWM(Pin(26), 500, duty=512)  
    lcd.putstr("Ulitsa, 21")
    sleep_ms(250)
    buzzer.deinit()

wifi = network.WLAN(network.STA_IF)
wifi.active(True)
wifi.scan()
wifi.connect('Wokwi-GUEST', '')

print('Connecting.', end='')

while not wifi.isconnected():
    sleep(0.1)
    print('.', end='')

print('\nConnected!')

token ='7559016297:AAH4iVDEmFHhk5LvYtda4BXyaG40-lNDJvo'

print('Bot starting...')
bot = utelegram.ubot(token)
bot.register('/on', led_on)
bot.register('/off', led_off)
bot.register('/check_door', check_distance)
bot.register('/check_weather', show_weather)
bot.register('/find', find)
bot.register('/found', found)
bot.register('/k',kalk)
bot.set_default_handler(show_text)
print('\nGO-GO-GO!!!!!')

bot.listen()