print("\nSmart & Safety Hostel")
print("Practical Test")
print("Created by : Muhammad Faiz")
print("Date: 2/4/2024\n")

# Import Libraries/modules
from machine import Pin
from utime import sleep
from machine import PWM
import Oled_Library  # This is Oled Library
from machine import SoftI2C
from machine import PWM
import Servo_Library

# Pin Declaration
PIR_pin = Pin(12, Pin.IN)
Red_LED_pin = Pin(5, Pin.OUT)
Green_LED_pin = Pin(18, Pin.OUT)
Buzzer_pin = PWM(Pin(2, Pin.OUT))
oled_pin = SoftI2C(scl=Pin(22), sda=Pin(21))
ROW_PINS = [35, 32, 33, 25]
COL_PINS = [26, 27, 14, 15]
servo_pin = (Pin(4, Pin.OUT))
Yellow_LED_pin = Pin(23, Pin.OUT)

# Create an OBJECT name for module with Library
# OBJECT name --> Library name.class name()
skrin = Oled_Library.SSD1306_I2C(width=128, height=64, i2c=oled_pin)
kunci = Servo_Library.Servo(pin=servo_pin)


# Keypad configuration
# Define the keypad matrix
KEYS = [
    ['1', '2', '3', 'A'],
    ['4', '5', '6', 'B'],
    ['7', '8', '9', 'C'],
    ['*', '0', '#', 'D']
]


# Initialize keypad rows and columns as input with pull-up
row_pins = [Pin(pin, Pin.IN, Pin.PULL_UP) for pin in ROW_PINS]
col_pins = [Pin(pin, Pin.OUT) for pin in COL_PINS]

# Function to read the keypad
def read_keypad():
    code = ''
    while True:
        for col_num, col_pin in enumerate(col_pins):
            col_pin.value(0)
            for row_num, row_pin in enumerate(row_pins):
                if not row_pin.value():
                    key = KEYS[row_num][col_num]
                    if key == '#':  # Check if the entered code is complete
                        return code
                    elif key == '*':  # Clear the entered code
                        code = ''
                    else:
                        code += key
                    sleep(0.2)  # Debounce delay
            col_pin.value(1)

# Main Program
while True:
    Red_LED_pin.off()  # Initialize
    Green_LED_pin.off()  # Initialize
    Buzzer_pin.duty(0)  # Initialize
    motion_status = PIR_pin.value()  # .value --> read digital value (1 or 0)
    print("The motion status is ", motion_status)

    if motion_status == True:
        for a in range(6):
            skrin.fill(0)
            skrin.text("Passcode?", 5, 30, 1)
            skrin.show()
            Red_LED_pin.on()
            Buzzer_pin.freq(500)
            Buzzer_pin.duty(50)
            sleep(0.5)
            Buzzer_pin.duty(0)
            sleep(0.5)

        Green_LED_pin.off()

        # Check for keypad input to turn off the buzzer
        password = "1234"  # Define your password here
        entered_code = read_keypad()
        if entered_code == password:
            print ("passcode correct, buzer off")
            skrin.fill(0)
            skrin.text("Welcome!", 5, 30, 1)
            skrin.show()
            Red_LED_pin.off()     
            Green_LED_pin.on()      
            kunci.move(0)
            Yellow_LED_pin.on()       
            sleep(6)  
        

    else:
        Green_LED_pin.off()
        Red_LED_pin.on()
        skrin.fill(0)
        skrin.text("Hello!", 5, 30, 1)
        skrin.show()
        kunci.move(90)
        Yellow_LED_pin.off()

    sleep(5)