ITERATION 3

#ITERATION 3: 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.

##############################################################################################################################

from tkinter import *
from tkinter import messagebox
from PIL import Image, ImageTk

#Login And Signup
users = []
user=[]

#Menu Options/Items
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}
menu2 = {}
menu2.update(hot_drinks)
menu2.update(cold_drinks)
menu2.update(snacks)
menu2.update(lunch)

#############################################################################################################################





#############################################################################################################################

#Login and Signup Function
def loginandsignup():

    #Creates A Window For Login and Signup Page
    window = Tk()
    window.title("Login and Signup Page")
    window.geometry('300x200')
    window.config(bg='white')


    #Imports users and user variable to be used for later in the program
    global users
    global user

#############################################################################################################################

    #The Login Function
    def login():

        #Gets user from variables
        global user


#-------------------------------------------------------------------------------------------------------------------------------#
        #Try and Except function for ValueError for if the student id doesnt contain numbers
        try:

            #Gets the entrybox answers for student ID(integer), Password(String) and Age(integer)
            student_id = student_id_entry.get()
            student_ids = int(student_id)

            password = password_entry.get()

            age = age_entry.get()
            ages = int(age)

        except ValueError:

            #Presents Error Message stating that the Student ID can only contain numbers and then returns them to the main program
            messagebox.showerror("Error","Student ID can only contain numbers")
            return

#---------------------------------------------------------------------------------------------------------------------------------#     

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

            #If student ID and password is correct for the user, then shows message showing validations are complete, destroys window and then transfers to main menu
            if user[0] == student_ids and user[1] == password and user[2] == ages:
                messagebox.showinfo("Welcome Back",f"Welcome Back {student_ids}!")
                window.destroy()
                menu()    


        #If user is not a member then it prints and error message saying that the passw
        messagebox.showerror("Error","Student ID or Password is incorrect")
        return 
    
#---------------------------------------------------------------------------------------------------------------------------------#





###########################################################################################################################################################

    def signup():
        #Import re to help create password requirements
        import re


#-----------------------------------------------------------------------------------------------------------------#

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

            #Gets users entry for Student ID by converting the student id entry into a variable
            student_id = student_id_entry.get()
            student_ids = int(student_id)

            #Makes sure that the user Student ID can only be 5 numbers long 
            if student_ids > 99999:
                messagebox.showerror("Error Student ID","Student ID Must contain only 5 numbers")
                return
            
            #If Student ID is less than 5 numbers long
            elif student_ids <= 9999:
                messagebox.showerror("Error Student ID","Student ID Must contain 5 numbers")
                return
            
        #Student ID can only contains numbers, then returns them to the start
        except ValueError:
            messagebox.showerror("Error Student ID","Student ID Must only contain numbers")
            return

#-----------------------------------------------------------------------------------------------------------------#
            
        #Converts password entry to a variable
        password = password_entry.get()


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

#------------------------------------------------------------------------------------------------------------------#

        try:
            #Gets the age entry and then converts it to integer and into a variable
            age = age_entry.get()
            ages = int(age)


            #If they are younger than 13 years old
            if ages < 13:
                messagebox.showerror("Error in Age","Sorry, you must be 13 or older to create an account.")
                return 
            
            #The user cannot be over 18 years old as they must be a school student for BDSC (yr 9 - yr13)
            elif ages > 18:
                messagebox.showerror("Error in Age","Sorry you must be a BDSC Student therefore you cannot be 18 years or older")
                return
            
        #If The Age is not a Number
        except ValueError:
            messagebox.showerror("Error in Age","Age Must Be a Number")
            return
            
#-----------------------------------------------------------------------------------------------------------------#
            
        #Adds the Student ID, password and age to the variable users.
        #They are then added to the total users
        #Then they are transferred to the menu after completion
        user = (student_ids,password, ages)
        users.append(user)
        messagebox.showinfo("Welcome",f"Welcome {student_ids}!")
        window.destroy()
        menu()
    
#-----------------------------------------------------------------------------------------------------------------#       





###########################################################################################################################################

    #Messagebox to discuss the password requirements when starting the program
    messagebox.showinfo("Password Requirements","Password Must Contain:\n At Least 8 Characters \nAt least 1 Number \n1 Capital Letter \n1 Lowercase Letter")


    #Labels
    student_id_label = Label(window,text="Student Id:",font=('Microsoft Yahei UI Light', 12), bg='white', fg='black')
    student_id_label.place(x=10, y=10)

    password_label = Label(window,text="Password:",font=('Microsoft Yahei UI Light', 12), bg='white',fg='black')
    password_label.place(x=10, y=50)

    age_label = Label(window,text="Age:",font=('Microsoft Yahei UI Light', 12), bg='white',fg='black')
    age_label.place(x=25, y=90)


    #Entry Boxes
    student_id_entry = Entry(window,font=('Microsoft Yahei UI Light', 12), bg='white', fg='black', width=20)
    student_id_entry.place(x=100, y=10)

    password_entry = Entry(window,font=('Microsoft Yahei UI Light', 12), bg='white', fg='black', width=20)
    password_entry.place(x=100, y=50)

    age_entry = Entry(window,font=('Microsoft Yahei UI Light', 12), bg='white', fg='black', width=20)
    age_entry.place(x=100, y=90)


    #Buttons
    login_button = Button(window,text="Login",font=('Microsoft Yahei UI Light', 12), bg="light gray",fg='black',width=12,height=1,command=login)
    login_button.place(x=15, y=140)

    signup_button = Button(window,text="Sign up",font=('Microsoft Yahei UI Light', 12), bg="light gray",fg='black',width=12,height=1,command=signup)
    signup_button.place(x=165, y=140)





    #Runs the program
    window.mainloop()

#############################################################################################################################


    
    

#############################################################################################################################

#Menu Function
def menu ():

    #Starts the root for the Menu
    root = Tk()
    root.state("zoomed")
    root.title("Menu")
    root.geometry('1800x875')

############################################################################################################################

    #Signout Function, It destroys the root and then transfers them to the login and signup function
    def signout():

        root.destroy()
        loginandsignup()


    #If checkout Button is pressed then it transfers them to the checkout function
    def checkout_entry ():

        root.destroy()
        checkout()

#######################################################################################################################
#--------------------------------------------------------------------------------------------------------------------------------#
    # Opens the Image
    image = Image.open("Menutwo.png")

    # Resize the image using resize() method
    resize_image = image.resize((1800, 850))
    img = ImageTk.PhotoImage(resize_image)

    # Create label and add the resized image
    label1 = Label(root,image=img)
    label1.image = img
    label1.pack()
#-------------------------------------------------------------------------------------------------------------------------------#

    #Creates the button for Signing Out
    sign_out_button = Button(root,width=20,height=2,text="Sign Out", font=('Microsoft Yahei UI Light',12), fg = 'black',bg='gray',command=signout)
    sign_out_button.place(x=10,y=10)

    #Creates the button for proceeding to checkout
    checkout_button = Button(root,text="Checkout",fg='black',bg='gray',font=('Microsoft Yahei UI Light',12),width=20,height=2,command=checkout_entry)
    checkout_button.place(x=1500,y=10)

#---------------------------------------------------------------------------------------------------------------------------------#





    #Runs the Menu
    root.mainloop()

#############################################################################################################################






#############################################################################################################################

#Checkout Function
def checkout ():

    #Creates a window for the Checkout
    window = Tk()
    window.title("Checkout")
    window.geometry('500x350')
    window.config(bg='white')


    #Gets all variables that are needed
    global order
    global i
    order={}
    i=-1
    
    #Menu Dictionary
    hot_drinks = {"Hot chocolate $5": 5, "Coffee $5": 5,"Tea $5": 5}
    cold_drinks ={"Soft Drink $4": 4, "Ginger Beer $3.50": 3.50, "Iced Drinks $5": 5,"Milkshake $5": 5}
    snacks ={"Potato Wedges $4":4,"Pies $4":4,"Greek Salad $5":5,"Sandwiches $5":5}
    special = {"Nachos $8":8,"Chicken Burger $7.50": 7.50,"Sushi $8": 8,"Pizza $8": 8}
    lunch = {"Noodles $7":8,"Steam Buns $7":7,"Meatball Sub $7":7,"Wraps $7.50":7.50,"Hot Dog $8":8}
    menu = {}
    menu.update(hot_drinks)
    menu.update(cold_drinks)
    menu.update(snacks)
    menu.update(special)
    menu.update(lunch)


######################################################################################################################

    def add_order():

        #Converts quantity entry into an integer and makes sure that it can only be a whole number
        try:

            quantity = int(quantity_entrybox.get())

        except ValueError:
            messagebox.showerror("Quantity Error","Quantity must be a whole number")
            return
        
        #Converts their option chosen into a variable (item) and makes sure that it is an appropriate item
        item = Menu1.get()

        if item == "Menu":
            messagebox.showerror("Item Error","Menu is not an item, please choose an appropriate item within the menu")
            return
        
        #Make Orders into nothing and then gets orders item and quantity 
        orders = []
        order[item] = order.get(item,0) + quantity
        
        #It then adds all the order information to the specific user
        orders.append((user, order))

        #When complete displays a message saying order is placed
        messagebox.showinfo("Order Complete","Order Placed Succefully")

###################################################################################################
        
    def view_order():

        #Gets orders and i
        global order
        global i
        

        #For each item and quantity in order
        for item, quantity in order.items():
            
            if i > 5:
                messagebox.showerror("Error","You have exceeded the maximum amount of orders")
                return
            #I increses by 1, therefore changing the view order label row by 1
            i+=1

            #Gets the price for certain item chosen and also creates a total by multiplying price by quantity
            price = menu[item]
            total = price * quantity

            #Makes a Label displaying the item, quantity and total placed within the view order frame
            view_order_label = Label(view_order_frame,text=(f" {item} x {quantity} = ${total}"),fg='black',bg='gray',font=('Microsoft Yahei UI Light',12))
            view_order_label.grid(row=i,column=0)


        #Displays the receipt showing the GST Total and the Total amount owed
        messagebox.showinfo("Receipt",f"GST Total = ${((sum(menu[item]*quantity for item,quantity in order.items())/100) * 15)} \n Total: ${round(sum(menu[item]*quantity for item, quantity in order.items()))}") 
    


    ############################################### VISUAL DISPLAY #############################################################

    #---------------------------------------------------- Frames--------------------------------------------#
    
    #Creates the view order frame that displays items, price and quantity when viewing order 
    view_order_frame = Frame(window,bg='gray',width=480,height=200)
    view_order_frame.grid(row=0,column=0,padx=10,sticky=NSEW)
    view_order_frame.grid_propagate(0)


    #-------------------------------------------------Labels-------------------------------------------------#

    #Item Chosen Label
    item_chosen_label = Label(window,text="Item Chosen:",bg='white',fg='black',font=('Microsoft Yahei UI Light',12))
    item_chosen_label.place(x=10,y=250)

    #Quantity Label
    quantity_chosen_label = Label(window,text="Quantity: ",bg='white',fg='black',font=('Microsoft Yahei UI Light',12))
    quantity_chosen_label.place(x=280,y=250)


    #--------------------------------------------------Entry Boxes ----------------------------------------#

    #Quantity entrybox
    quantity_entrybox = Entry(window,bg='white',fg='black',font=('Microsoft Yahei UI Light',12), width =10)
    quantity_entrybox.place(x=360,y=250)


    #-------------------------------------------------- Drop Down Box --------------------------------------------#

    #Gets items from dictionary
    Menu1 = StringVar()
    Menu1.set("Menu")

    #Displays items in dropbox form
    item_chosen = OptionMenu(window,Menu1,*menu)
    item_chosen.place(x=120,y=250)


    #---------------------------------------------------- Buttons -----------------------------------------------------#

    #Add order Button
    add_order_button = Button(window,text="Add To Order",fg="black",bg='orange',font=('Microsoft Yahei UI Light',12), width = 25, height=1,command=add_order)
    add_order_button.place(x=10,y=300)

    #View order Button
    view_order_button = Button(window,text="View Order",fg="black",bg="light green",font=('Microsoft Yahei UI Light',12),width=25, height=1,command=view_order)
    view_order_button.place(x=255,y=300)


    


    #Runs the program
    window.mainloop()

##########################################################




#Runs the login and signup function
loginandsignup()