print("This project uses ESP 32 for soil movement on hillsides highway")

# Import necessary libraries/modules
import ultrasonic_library
from machine import Pin, SoftI2C, PWM
import Oled_Library
from machine import Pin
from utime import sleep
import dht

# Declare pin constants for better readability
ULTRASONIC_TRIGGER_PIN = 27
ULTRASONIC_ECHO_PIN = 26
LED_PIN = 12
PIR_PIN = 14
BUZZER_PIN = 5
I2C_SCL_PIN = 22
I2C_SDA_PIN = 21
DHT_PIN = 4  # Adjust the pin number accordingly

# Declare Ultrasonic Pin Connection
pikachu = ultrasonic_library.HCSR04(ULTRASONIC_TRIGGER_PIN, ULTRASONIC_ECHO_PIN, 30000)

# Declare Oled connection
i2c_oled = SoftI2C(scl=Pin(I2C_SCL_PIN), sda=Pin(I2C_SDA_PIN))
oled_width = 128  # based on spec
oled_height = 64  # based on spec
screen = Oled_Library.SSD1306_I2C(oled_width, oled_height, i2c_oled)

# Declare LED, PIR, and Buzzer Pin Connections
led_red = Pin(LED_PIN, Pin.OUT)
pir = Pin(PIR_PIN, Pin.IN)
buzzer = PWM(Pin(BUZZER_PIN), Pin.OUT)

# Declare DHT22 connection
dht22 = dht.DHT22(Pin(DHT_PIN))  # Adjust the pin number accordingly

# Initialize motion parameter
motion = False

# Create function for interrupt handling
# Remarks: This function will be called every time motion is detected!
# If the PIR Motion Sensor detected a landslide, it will generate output to LED and Buzzer
def handle_interrupt(pin):
    global motion
    motion = True
    global interrupt_pin
    interrupt_pin = pin


def display_distance(distance_mm, distance_cm):
    print('Land Slide Motion:', distance_mm, 'mm')  # Choose mm if you want whole number
    print('Land Slide Motion:', distance_cm, 'cm')  # Choose cm if you want fraction number
    print('--------------------------------------------')
    print('\n')


def display_on_oled(text1, value1, unit1, text2, value2, unit2):
    screen.fill(0)  # To make screen becoming white
    screen.text(text1, 0, 0)
    screen.text(str(value1), 0, 10)
    screen.text(unit1, 50, 10)
    screen.text(text2, 0, 20)
    screen.text(str(value2), 0, 30)
    screen.text(unit2, 50, 30)
    screen.show()


def display_temperature_humidity_on_oled(temperature, humidity):
    screen.fill(0)  # To make screen becoming white
    screen.text('Temp: {}C'.format(temperature), 0, 0)
    screen.text('Humidity: {}%'.format(humidity), 0, 20)
    screen.show()


while True:
    # Let's test marii
    jarak_in_mm = pikachu.distance_mm()
    jarak_in_cm = pikachu.distance_cm()

    # Set Interrupt for PIR Motion Sensor
    pir.irq(trigger=Pin.IRQ_RISING, handler=handle_interrupt)

    # Read temperature and humidity data
    dht22.measure()
    temperature = dht22.temperature()
    humidity = dht22.humidity()

    # Display the distance from the object
    display_distance(jarak_in_mm, jarak_in_cm)

    # Display temperature and humidity on OLED
    display_temperature_humidity_on_oled(temperature, humidity)

    # Making Decision on how the landslide moves
    if jarak_in_mm > 3000:
        for i in range(10):
            # Turn on the buzzer
            buzzer.init(freq=1500, duty=300)
            sleep(1)
            buzzer.init(freq=1, duty=0)
            sleep(0.3)

            led_red.on()
            sleep(0.1)
            led_red.off()
            sleep(0.1)

            display_on_oled('LandSlide Detected:', jarak_in_mm, 'mm', 'Temp:', temperature, 'C')

    elif 3000 >= jarak_in_mm >= 2000:
        for i in range(10):
            # Turn on the buzzer
            buzzer.init(freq=1500, duty=300)
            sleep(0.3)
            buzzer.init(freq=1, duty=0)
            sleep(0.3)

            led_red.on()
            sleep(0.1)
            led_red.off()
            sleep(0.1)

            display_on_oled('Motion Detected:', jarak_in_mm, 'mm', 'Temp:', temperature, 'C')

    else:
        buzzer.init(freq=1, duty=0)

    sleep(1)