#Maggie_Potts_A8.py
#Assignment 8 Amazin.com Shopping 2.0

#wrap in while loop for more carts

def transaction():

    cats =["Books","Electronics","Clothing"]
    carts = [[0,0,0]]
    curcart = 0
    cost = [0,0,0]

    books = [19.95,24.50,18.95]
    electronics = [429,790,220]
    clothing = [9.50,45,24]

    menu = ("""
        1 - Books
        2 - Electronics
        3 - Clothing
        4 - Checkout

        Select one of the categories or checkout (1-4):
        """)

    while True:

            print(menu)
            selection = int(input())

            if selection == 1:
                print("1. Origin, $19.95")
                print("2. Grant, $24.50")
                print("3. Prairie Fries, $18.95")
                print("4. No Selection")   #can't make 'x' because input is integer
                print("\n Select a title or select 4 for no selection (1-4): ")

                sel2 = int(input())

                if sel2 >= 1 and sel2 <= 3:
                    carts[curcart][0] += 1
                    cost[0] += books[sel2-1]


            elif selection == 2:
                print("1. Hp laptop, $429.50")
                print("2. EyePhone, $790.00")
                print("3. Bose 20 speakers, $220.00")
                print("4. No Selection")
                print("\n Select an electronic or select 4 for no selection (1-4): ")

                sel2 = int(input())

                if sel2 >=1 and sel2 <= 3:
                    carts[curcart][1] += 1
                    cost[1] += electronics[sel2-1]

            elif selection == 3:
                print("1. T-shirt, $9.50")
                print("2. Shoes, $45.00")
                print("3. Pants, $24.00")
                print("4. No Selection")
                print("\n Select a clothing item or select 4 for no selection (1-4): ")

                sel2 = int(input())

                if sel2 >=1 and sel2 <=3:
                    carts[curcart][2] += 1
                    cost[2] += clothing[sel2-1]

            if selection == 4:
                more = ""  #word of advice - do not declare variables until you are at the layer you need them
                print("Checking Out...\n")
                print("\nCart:\n")
                print("%-20s %-20s %-20s"%("--------","---------------","-------------"))
                print("%-20s %-20s %-20s"%("Category","Number of items","Cost of items"))
                print("%-20s %-20s %-20s"%("--------","---------------","-------------"))

                for i in range(len(carts[curcart])):
                    if(carts[curcart][i]!=0):
                        print("%-27s %-17d $%.1f"%(cats[i],carts[curcart][i],cost[i]))

                print("%-27s %-17d $%.1f"%("Total",sum(carts[curcart]),sum(cost)))

                while more.upper() not in "YN" or more == "":
                    print("\n")
                    more = input("Do you have more shopping to do? (Y or N)")

                if more.upper == "Y":
                    carts.append([0,0,0])
                    curcart += 1
                    transaction()

                else:
                    break


    print("\nTotal Carts:", curcart)
    print("%-20s %-20s %-20s"%("--------","---------------","-------------"))
    print("%-20s %-20s %-20s"%("Category","Number of items","Cost of items"))
    print("%-20s %-20s %-20s"%("--------","---------------","-------------"))

    for c in carts:
        for i in range(len(c)):
            if(c[i]!=0):
                print("%-27s %-17d $%.1f"%(cats[i],c[i],cost[i]))

    print("%-27s %-17d $%.1f"%("Total",sum(carts[curcart]),sum(cost)))

transaction()

input("\n\nHit Enter to end program")