ITERATION 2

#ITERATION 2: CAFE MENU

# SPECIFICATIONS: ||| 1. Login and Sign Up ||| 2. Menu ||| 3. Billing |||
#Introduction to program
#Offers choice to log in or create account.
#Checks for correct Student ID and password in index data (list) 
#Checks for age for new users and saves Student ID and password in a list.
#Displays Café menu and asks for orders – items, quantity.
#Displays invoice with details of items, quantity, price and total.




#VARIABLES
#Login/Signup Variables
student_id = []
password = []
user = []
users = []
age = []

#Main Program
choice = 0
current_user = []

#Menu Variables
hot_drinks = {"Hot chocolate": 4, "Latte": 4, "Mochaccino": 4, "Cuppaccino": 4, "Long black": 4, "Flat white": 4, "- GST per items above":"0.6\n\n"}
cold_drinks ={"Milkshake": 5, "Thickshake": 5, "Icedcoffee": 5, "Icedtea": 5, "Icedchocolate": 5, "Softdrinks": 5,"- GST per item above": "0.75\n\n"}
snacks ={"Donut": 3.5, "Hashbrown": 3.5,"Sandwiches":3.5,"Chips":3.5,"Salad":3.5,"- GST per item above": "0.53\n\n"}
lunch = {"Hot dog": 7.5, "Burgers":7.5,"Wraps":5,"Steam buns":6,"Sushi":7,"Noodles":5,"Pies":4}
menu = {}
menu.update(hot_drinks)
menu.update(cold_drinks)
menu.update(snacks)
menu.update(lunch)

#Billing and Ordering Variables
order = {}
orders = []
user_orders = []
item = []
price = []
total = []
quantity=[]



#FUNCTIONS
#---Adding Orders--#
def add_order(user, order, orders):
    orders.append((user, order))
    #Adds the student ID password and age of user and adds the item they chose
    #Orders is added the the variable orders

#---Login in--#
def login(users):
    #Gets The user variable globally
    global user


    #Asks user for Student ID(Only can contain numbers) and password
    try:
        student_id = int(input("Enter Student ID: "))
        password = input("Enter password: ")


    except ValueError:
        print("The Student ID has to only contain numbers")
        student_id = int(input("Enter Student ID: "))



    #if a user is already a member
    for user in users:

        #If student ID and password is correct for the user
        if user[0] == student_id and user[1] == password:
            print(f"Welcome back, {student_id}!")
            return user


    #If user is not a member
    print("Invalid Student ID or password.")
    return None


#---Sign Up--#
def signup(users):
    #Import re to help create password requirements
    import re


    #First Try Function, For the whole function of Signup. Makes an except function for the age variable
    try:

        #Second try function for the Student ID to make sure that it can only be an integer
        try:

            #Asks User for Their Student ID
            student_id = int(input("Enter Student ID: "))


            #Makes sure that the user Student ID can only be 5 numbers long 
            if student_id > 99999:
                print("Student ID must only be 5 numbers long")
                signup(users)
            
            elif student_id < 9999:
                print("Student ID must only be 5 numbers long")
                signup(users)

            
        #Student ID can only contains numbers, then returns them to the start of the signup function
        except ValueError:
            print("Student ID must be only numbers")
            signup(users)


        #Gives user information before creating a password
        print("Password Must Contain 8 Characters, at least 1 Number, Capital Letter and Lowercase Letter")

        #Password Function is to make sure password fits requirements needed
        def Password ():
            #Imports the global variable password
            global password


            #Asks user for password
            password = input("Enter password: ")


            #Password must be more than 8 characters long
            if len(password) < 8:
                print("Password Must be longer than 8 characters")
                Password()
            
            #Password Must Contain A Number
            elif re.search('[0-9]',password) is None:
                print("Password Must Contain a Number")
                Password()
            
            #Password Must Contain A Capital Letter
            elif re.search('[A-Z]',password) is None:
                print("Password Must Contain a Capital Letter")
                Password()
            
            #Password Must Contain A Lowercase Letter
            elif re.search('[a-z]' ,password) is None:
                print("Password Must Contain a Lowercase Letter")
                Password()

            
        #Starts Pasword Function
        Password()


        #Asks User For Age
        age = int(input("Enter your age: "))


        #If they are not an eligible
        if age < 13:
            print("Sorry, you must be 13 or older to create an account.")
            return None
        
        #The user cannot be over 18 years old as they must be a school student for BDSC (yr 9 - yr13)
        elif age > 18:
            print("Sorry you must be a BDSC Student therefore you cannot be 18 years or older")
            return None
        

        #if they are over 13 and under 21
        #Adds the Student ID, password and age to the variable users.
        user = (student_id, password, age)
        users.append(user)
        print(f"Account created for {student_id}!")
        return user
    
    
    #If There is Age is not a Number
    except ValueError:
        print("Please enter an appropriate answer for an age \n\n")
        signup(users)


#--Order Food--#
def order_food(current_user, menu, orders):
    
    
    # Makes Ssure Quantity Can Only Be A Number
    try:

        #Imports Order Variable
        global order
        order.clear()


       #While the Order Is True it will keep repeating until False
        while True:


            #Prints out the Menu, the items and the price next to it
            print("""
            MENU:

            Hot Drinks $4:
            - Hot Chocolate 
            - Latte         
            - Mochaccino    
            - Cuppaccino    
            - Long black    
            - Flat White


            Cold Drinks $5:
            - Milkshake
            - Thickshake
            - Iced Coffee
            - Iced Tea
            - Iced Chocolate
            - Soft Drinks

            
            Snacks $3.50:
            - Donut
            - Hashbrown
            - Sandwiches (gourmet)
            - Salad
            - Chips
            

            Lunch:
            - HotDog $7.50
            - Burger $7.50
            - Wraps $5
            - Steam Buns $6
            - Sushi $7
            - Noodles $5
            - Pies $4
            """)


            # Asks user for item they would like to purchase
            item = input("Enter item name (or 'done' to finish): ").capitalize()


            #If the user inputs done, then it closes this and returns them to the run function
            if item == "Done":
                break

            #If user inputs an item that is not in the list, then it returns them to order food function
            if item not in menu:
                print("Sorry, we don't have that item.")
                continue


            # Asks user for quantity of item they would like to purchase, and then adds the item to the order variable
            quantity = int(input("Enter quantity: "))
            order[item] = order.get(item, 0) + quantity


        #Goes to the add order function
        add_order(current_user, order, orders)
        print("Order placed successfully!")


    #If Quantity is Not A Number
    except ValueError:
        print("Please enter an appropriate answer for an quantity \n\n")
        order_food(current_user, menu, orders)
        

#--View Order--#
def view_orders(current_user, menu, orders):


    # User order is item and quantity for the current user.
    user_orders = [order for user, order in orders if user == current_user]


    #if not in user order, then it returns to run function
    if not user_orders:
        print("No orders found for this user.")
        return
    

    print("\nYour Orders:")


    #prints out the number of order
    
        
    print(f"\nOrder:")

    #For number or items and quantities within the variable order, it then calculates the total price
    for item, quantity in order.items():
        price = menu[item]
        total = price * quantity
        print(f"{item} ${price} x {quantity} = ${total}")


    #Prints the GST and total sum of all orders
    print(f"GST Total: ${round(((sum(menu[item]*quantity for item, quantity in order.items())/100) * 15))}")
    print(f"Total: ${round(sum(menu[item]*quantity for item, quantity in order.items()) * 1.15)}")
        

#--Main Program--#
def run1():


    #Defining Variables Needed
    current_user = None
    orders = []

    #Introduces user
    print("Welcome to our Cafe!")


    #While True it will run until False
    while True:

        #If A User Is Not Signed In
        if not current_user:

            #Describes Options and asks user to enter choice they would like
            print("\n1. Login\n2. Signup\n3. Exit")
            choice = input("Enter choice: ")


            #Login option
            if choice == "1":
                current_user = login(users)

            #Sign Up option
            elif choice == "2":
                current_user = signup(users)

            #Exit option
            elif choice == "3":
                #If their is no current user, then it will say please login/signup
                print("Thank you Please Come Again")
                exit()
            
            #If User Inputs Anything Other Thn Choices Available
            else:
                print("Invalid Choice, Please Try Again")


        #If The User Is Signed in
        if current_user != None: 

            #Describes Options Present and then asks user to make choice
            print("\n1. Sign Out\n2. Order Food\n3. View Order\n4. Exit")
            choice = input("Enter choice: ")


            #Sign Out Option
            if choice == "1":
                current_user = None
                run1()
            
            #Order Food Option
            elif choice == "2":
                order_food(current_user, menu, orders)
            
            #Viewing Order option
            elif choice == "3":
                    view_orders(current_user, menu, orders)
            
            #Exit Option
            elif choice == "4":
                print("Thank you for using this program")
                exit()
            
            #If User Inputs Anything Other Than Choices Available
            else:
                print("Invalid Choice, Try Again")
        


#Runs the program
run1()