#Importing different systems, as they are needed later in the program
import sys
import string
#Subsitute variable for the cancel() function
var1 = "Nothing"
#Used in 'tolong()' function for maximum of characters for input
maxchar = 100
#The total cost the user has to pay
total_cost = 0
#The Regular and Gourmet Pizza Lists
pizza_r = ["Chicken Vege", "Vegetarian", "Meat Lovers", "Super Vege", "Beef Surpreme", "Chicken Supreme", "Super Supreme"]
pizza_g = ["Italiano", "Mexician", "BBQ Chicken & Bacon", "BBQ Beef & Bacon", "Lemon Pepper Chicken"]
#All the pizzas the user has ordered
order_all = []
#Pizza price for pizzas, after user has ordered them
pizza_cost = []
#If it gets deliveried it will add the extra cost the final order
shipping = 0
#For any 'Are you sure' potiental functions
sure = 0
#Customer's Name
cus = "empty"
#Customer's Address
address = "empty"
#Customer's Phone Number
phone_num = "0"

#If a input that shouldn't be in there comes up
def error():
    print("This shouldn't be a possible input, system shutting down!")
    sys.exit()

#Prints a new line for a new section, so the whole thing doesn't have to be typed everytime
def line():
    print("_______________________________________________________________,")
    print("")

#Returns a line for .format(), so the whole line doesn't have to be typed everytime
def line1():
    return("______________________________________________________________,")

#Prints a breaker line, to break up each part of a section
def linea():
    print("---------------------------------------------------------------'")

#Returns a breaker line for .format()
def linea1():
    return("--------------------------------------------------------------'")

#Big line so the user knows well and clear its a new section
def bigline():
    line()
    print("""



""")
    line()

#Prints a statement for invalid input
def checker():
    global sure
    if sure == 0:
        bigline()
        print("That is not an option, Please try something else.")
    else:
        sure = 0

#Prints a statement for inputs to long
def tolong(maxchar):
    bigline()
    print("Your exceeded the maximum amount of characters, Please retry with less than {} characters.".format(maxchar))

#Cancelling Text for strings
def can_txt():
    return ("0: If you would like to cancel your order, press '0'")

#Cancelling Function to put in after Cancelling Text
def cancel(var1):
    while True:
        if var1 in (0, "0"):
            line()
            confirm_a = input("""Are you sure you want to cancel your order?
{}
1: Yes
2: No
{}
Input: """.format(linea1(), linea1()))
            #Checks for valid input
            if confirm_a in "1":
                line()
                print("Your order was cancelled, have a nice day!")
                sys.exit()
            elif confirm_a in "2":
                global sure
                sure = 1
                break
            else:
                checker()
        else:
            break


#Asks Users for either Delivery or Pick Up
def delivery():
    global total_cost
    total_cost = 0
    while True:
        line()
        global del_or_pick
        del_or_pick = input("""Hello, How would you like to recieve your pizza?
{}
1: Delivered to your house ($3 Delivery Fees)
2: You pick up
{}
{}
Input: """.format(linea1(), can_txt(), linea1()))
        cancel(del_or_pick)
        #Checks for valid input
        if del_or_pick in ("1", "2"):
            break
        else:
            checker()

#Asks user for Name
def name():
    while True:
        line()
        global cus
        if cus in "empty":
            cus = input("""What is your name?
{}
{}
{}
Input: """.format(linea1(), can_txt(), linea1()))
            cancel(cus)
            cus.lower().capitalize()
            #Checks for valid input
            if cus.isalpha() == False:
                cus = "empty"
                checker()
            else:
                maxchar = 25
                if len(cus) >= 25:
                    cus = "empty"
                    tolong(maxchar)
                else:
                    break
        elif cus != "empty":
            break
        else:
            error()


#Asks Users for personal info if delivery
def delivery_d():
    global total_cost
    total_cost += 3
    global shipping
    shipping == 1
    line()
    print("We will need your name, address and phone number.")
    #Asks user for Name
    name()

    #Asks user for Address
    while True:
        global address
        if address in "empty":
            line()
            address = input("""What is your Address?
{}
Please format it like this.
{}
[Street], [Suburb], [City], [State], [Postcode]
{}
{}
{}
Input: """.format(linea1(), linea1(), linea1(), can_txt(), linea1()))
            cancel(address)
            address.lower().capitalize()
            maxchar = 100
            #Checks for valid input
            if len(address) >= 100:
                address = "empty"
                tolong(maxchar)
            else:
                break
        elif address != "empty":
            break
        else:
            error()


    #Asks user for Phone Number
    while True:
        global phone_num
        if phone_num in "0":
            line()
            phone_num = input("""What is your Phone Number?
{}
{}
{}
Input: """.format(linea1(), can_txt(), linea1()))
            cancel(phone_num)
            #Checks for valid input
            if phone_num.isdigit() == True:
                maxchar = 20
                if len(phone_num) <= 25:
                    break
                else:
                    tolong(maxchar)
            else:
                checker()
        elif phone_num != "0":
            break
        else:
            error()

def delivery_p():
    line()
    print("You have decided to pick up, could we please have your name?")
    #Asks user for there name
    name()

#Function for current pizza order
def pizza_current():
    line()
    print("Your current order of pizzas is:")
    linea()
    cost_list = 0
    for orde in order_all:
        print("{} Pizza | {}".format(orde, pizza_cost[cost_list]))
        cost_list += 1
    linea()
    print("Your current total cost is: ${}0".format(total_cost))

def pizza():
    while True:
        #Prints all the pizzas the user can order
        line()
        print("""Hello {}, what pizza would you like to order, here is our list
{}
Regular Pizzas | $8.50 each
{}""".format(cus, linea1(), linea1()))
        numbera = 1
        for pizza in pizza_r:
            print("{}: {}".format(numbera, pizza))
            numbera += 1
        print("""{}
Gourmet Pizzas | $12.50 each
{}""".format(linea1(), linea1()))
        for pizza in pizza_g:
            print("{}: {}".format(numbera, pizza))
            numbera += 1
        linea()
        #Asks the user which pizza they would like to order
        print("#: If you don't want to order another pizza, press '#'")
        order = input("""{}
{}
Input: """.format(can_txt(), linea1()))
        cancel(order)
        #Checks if user doesn't want to order another pizza
        if order in ("#"):
            #Checks to see if the user has ordered anything
            if len(order_all) == 0:
                bigline()
                print("You have not ordered a pizza, please order a pizza or cancel your order!")
            else:
                break
        #Checks for valid input
        if order.isdigit() == True:
            order = int(order)
        if order in (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12):
            global total_cost
            global pizza_cost
            if len(order_all) <= 4:
                #Checks if the selected pizza is a regular pizza and adds it to the list, as well as adding $8.50 to the total cost
                if order in (1, 2, 3, 4, 5, 6, 7):
                    total_cost += 8.5
                    order -= 1
                    order_all.append(pizza_r[int("{}".format(order))])
                    pizza_cost.append("$8.50")
                #Checks if the selected pizza is a gourmet pizza and adds it to the list, as well as adding $12.50 to the total cost
                elif order in (8, 9, 10, 11, 12):
                    total_cost += 12.5
                    order -= 8
                    order_all.append(pizza_g[int("{}".format(order))])
                    pizza_cost.append("$12.50")
                else:
                    error()
                line()
                #Asks user if they want to add another pizza to there order
                confirm = input("""Would you like to add another pizza to your order?
{}
1: Yes
2: No
{}
{}
Input: """.format(linea1(), can_txt(), linea1()))
                cancel(confirm)
                #Checks for valid input
                if confirm == "1":
                    pizza_current()
                elif confirm == "2":
                    break
                else:
                     checker()
            #Checks to see if the user has exceed the maximum amount of pizzas per order, which is currently 5
            elif len(order_all) == 5:
                bigline()
                print("You have a maximum of 5 pizzas per order. You have exceed the maximum amount of 5 pizzas in your order, after you have finished this order, please start another order to get more pizzas.")
                break
            elif len(order_all) >= 6:
                error()
        else:
            checker()
            if len(order_all) >= 1:
                pizza_current()

def order_finished():
    while True:
        #Tells the user the there order is finished. Its shows them there ordered pizzas and any extra charges, such as home delivery costs
        line()
        print("Hello again {}, Your order is now finished, here is what you ordered".format(cus))
        linea()
        print("Your Pizzas:")
        linea()
        cost_list = 0
        for orde in order_all:
            print("{} Pizza | {}".format(orde, pizza_cost[cost_list]))
            cost_list += 1
        linea()
        print("Your total cost is: ${}0".format(total_cost))
        linea()
        #Checks if the user wanted home delivery for there pizzas
        if shipping == 1:
            print("Extra Costs:")
            linea()
            print("Home Delivery Costs: $3.50")
            linea()
            print("Address Information:")
            linea()
            print("Your Address: {}".format(address))
            print("Your Phone Number: {}".format(phone_num))
            linea()
        elif shipping == 0:
            pass
        else:
            error()
        #Asks the user if they want to confirm there order
        order_confirm = input("""Would you like to confirm your order?
{}
1: Yes
{}
{}
Input: """.format(linea1(), can_txt(), linea1()))
        cancel(order_confirm)
        line()
        #Checks for valid input
        if order_confirm in "1":
            #Tells the user there order is confirmed and is getting delivered, if they choose delivery
            if del_or_pick in "1":
                print("Your order is confirmed and is being delivered to you now. Have a nice day.")
                linea()
                break
            #Tells the user there order is confirmed and there order is ready to pick, if they choose pick up
            elif del_or_pick in "2":
                print("Your order is confirmed and ready for you to pick it up. Have a nice day.")
                line1()
                break
            else:
                error()
        else:
            checker()
    while True:
        #Asks user if they want to start another order
        print("Would you like to start another order?")
        linea()
        confirm_a = input("""1: Yes
2: No
{}
Input: """.format(linea1()))
        #Checks for valid input
        if confirm_a == "1":
            line()
            print("New order starting. Thanks for the ordering here.")
            break
        elif confirm_a == "2":
            line()
            print("Thanks for ordering here. Hope to see you again soon.")
            sys.exit()
        else:
            line()
            checker()

#Main line of code
while True:
    delivery()
    if del_or_pick in "1":
        delivery_d()
    elif del_or_pick in "2":
        delivery_p()
    else:
        error()
    pizza()
    order_finished()