print('\n\nThis program is to make Vending Machine')
print('Date : 04/12/2023')
print('By : AKMAL FAIZ\n\n')

#Import all necessary libraries
import library_ssd1306
import library_sg90
#import library_keypad4x4
from machine import Pin, SoftI2C, PWM
from utime import sleep
#import threading

#Pin Declaration
led_red = Pin(2, Pin.OUT) #LED
servo = Pin(14, Pin.OUT) #SERVO
buzzer = PWM(Pin(26), Pin.OUT)
#SSD1306 OLED display Library
i2c_oled = SoftI2C(scl=Pin(22), sda=Pin(21))
oled_width = 128
oled_height = 64

#Create the object name for sensor with library   --> LIBRARYNAME.CLASSNAME
#bagi nama = Import Library Name.Class Name (trigger_pin, echo_pin,)
gate = library_sg90.Servo(pin=servo)
screen = library_ssd1306.SSD1306_I2C(width=oled_width, height=oled_height, i2c=i2c_oled)  #library name.class name()
#pad = library_keypad4x4.Keypad_Timer()

#Main Program
screen.fill(1)
screen.text("Akmal's",40,10,0)   #Text, Column, Colour code
screen.text("Vending",40,30,0) 
screen.text("Machine",40,50,0) 
screen.show()

#initial condition
counter10 = 2
counter20 = 2
counter30 = 2
counter40 = 2

while True: #to endless repeating
    print("1-PLEASE PRESS '1' TO ORDER NASI LEMAK")
    print("2-PLEASE PRESS '2' TO ORDER KUEY TEOW GORENG")
    print("3-PLEASE PRESS '3' TO ORDER CENDOL")
    print("4-PLEASE PRESS '4' TO ORDER ICED TEH TARIK")
    print("THERE WILL BE A BEEPING SOUND ACCORDING TO THE NUMBER YOU PRESSED")
    print("PLEASE WAIT 5 SECONDS IF YOU ORDER FOOD")
    print("PLEASE WAIT 3 SECONDS IF YOU ORDER DRINK\n")

    print("NASI LEMAK REMAINING: {}".format(counter10))
    print("KUEY TEOW GORENG REMAINING: {}".format(counter20))
    print("CENDOL REMAINING: {}".format(counter30))
    print("ICE TEH TARIK REMAINING: {}".format(counter40))

    c = input("\nEnter a value: ")
   
    if c == "1" :
        try:
            #c = input()
            number = int(c)

            # if counter10 > 0:
            #buzzer.init(freq=1000, duty=200)
            print("\nYOU HAVE ORDERED NASI LEMAK!")
            print("PLEASE WAIT 5 SECONDS IF YOU ORDER FOR FOOD\n")
            #sleep(5)            
            for counter in range(1):
                sleep(0.5)
                gate.move(90)
                sleep(0.5)
                gate.move(0)
                sleep(2)
                buzzer.init(freq=1000, duty=1023)
                sleep(0.5)
                buzzer.init(freq=1, duty=10)
                sleep(0.5)
                gate.move(90)
                sleep(1)

            print("FOOD READY!")
            print("HERE IS YOUR NASI LEMAK")
            print("THANK YOU AND COME AGAIN!\n")
            counter10 -= 1

        except ValueError:
            print("Invalid input. Please enter a number.")

    if counter10 <= 0:
        counter10 = 0
        print("NASI LEMAK IS UNAVAILABLE!")
        print("PLEASE ORDER SOMETHING ELSE\n")
   
    if c == "2":
        try:
            number = int(c)

            # if counter10 > 0:
            #buzzer.init(freq=1000, duty=200)
            # for i in range (1):
            #     buzzer.init(freq=1000, duty=200) #(adjust bunyi,adjust duration)
            print("\nYOU HAVE ORDERED KUEY TEOW GORENG!\n")
            print("PLEASE WAIT 5 SECONDS IF YOU ORDER FOR FOOD\n")
            #sleep(5)
            for counter in range(1):
                sleep(0.5)
                gate.move(90)
                sleep(0.5)
                gate.move(0)
                sleep(2)
                buzzer.init(freq=1000, duty=1023)
                sleep(0.5)
                buzzer.init(freq=1, duty=10)
                sleep(0.5)
                gate.move(90)
                sleep(1)

            print("FOOD READY!")
            print("HERE IS YOUR KUEY TEOW GORENG")
            print("THANK YOU AND COME AGAIN!\n")
            counter20 -= 1

        except ValueError:
            print("Invalid input. Please enter a number.")

    if counter20 <= 0:
        counter20 = 0

        print("KUEY TEOW GORENG IS UNAVAILABLE!")
        print("PLEASE ORDER SOMETHING ELSE\n")

    if c == "3":
        try:
            number = int(c)

            # if counter10 > 0:
            #buzzer.init(freq=1000, duty=200)
            print("\nYOU HAVE ORDERED CENDOL!\n")
            print("PLEASE WAIT 5 SECONDS IF YOU ORDER FOR FOOD\n")
            #sleep(5)
            for counter in range(1):
                sleep(0.5)
                gate.move(90)
                sleep(0.5)
                gate.move(0)
                sleep(2)
                buzzer.init(freq=1000, duty=1023)
                sleep(0.5)
                buzzer.init(freq=1, duty=10)
                sleep(0.5)
                gate.move(90)
                sleep(1)

            print("FOOD READY!")
            print("HERE IS YOUR CENDOL")
            print("THANK YOU AND COME AGAIN!\n")
            counter30 -= 1

        except ValueError:
            print("Invalid input. Please enter a number.")

    if counter30 <= 0:
        counter30 = 0
        print("CENDOL IS UNAVAILABLE!")
        print("PLEASE ORDER SOMETHING ELSE\n")

    if c == "4":
        try:
            number = int(c)

            # if counter10 > 0:
            #buzzer.init(freq=1000, duty=200)
            print("\nYOU HAVE ORDERED ICED TEH TARIK!\n")
            print("PLEASE WAIT 3 SECONDS IF YOU ORDER FOR DRINK\n")
            sleep(3)
            for counter in range(1):
                sleep(1)
                gate.move(90)
                sleep(1)
                gate.move(0)
                sleep(5)
                buzzer.init(freq=1000, duty=1023)
                sleep(0.5)
                buzzer.init(freq=1, duty=10)
                sleep(0.5)
                gate.move(90)
                sleep(1)

            print("DRINK READY!\n")
            print("\nHERE IS YOUR ICED TEH TARIK\n")
            print("THANK YOU AND COME AGAIN!\n")
            counter40 -= 1

        except ValueError:
            print("Invalid input. Please enter a number.")

    if counter40 <= 0:
        counter40 = 0
        print("ICED TEH TARIK IS UNAVAILABLE!")
        print("PLEASE ORDER SOMETHING ELSE\n")