import pandas


# Functions go here
def int_check(question):
    """ Check users enter an integer"""


    error = "oops - please enter an integer."

    while True:

        try:
            # Return the response if its an integer
            response = int(input(question))

            return response

        except ValueError:
            print(error)


def not_blank(question):
    """Checks that the user response is not blank"""

    while True:
         response = input(question)

         if response != "":
             return response

         print("Sorry this cant be blank. Please try again")


def string_check(question, valid_answers=('yes', 'no'),
                 num_letters=1):
    """Checks that users enter the full word
    or the n  letters of a word from a range of valid responses"""

    while True:

        response = input(question).lower()

        for item in valid_answers:

            # check if the response is the entire word
            if response == item:
                return item

            #check if it's the n letters
            elif response == item[:num_letters]:
                return item

        print(f"Please choose an option from {valid_answers}")


# currency formatting function
def currency(x):
    """Formats numbers as currency ($#.##)"""
    return "${:.2f}".format(x)


# Main routine goes here

# initialise variables / non-default options for string checker
payment_ans = ('cash', 'credit')


# ticket price list
CHILD_PRICE = 7.50
ADULT_PRICE = 10.50
SENIOR_PRICE = 6.50

# Credit card surcharge (currently 5%)
CREDIT_SURCHARGE = 0.05

# list to hold ticket details
all_names = []
all_ticket_costs = []
all_surcharges = []

mini_movie_dict = {
    'Name': all_names,
    'Ticket Price': all_ticket_costs,
    'Surcharge': all_surcharges
    }

# Get ticket details
while True:
    print()

    # ask the user for their name (and check it's not blank)
    name = not_blank("Name: ")
    if name == "xxx":
        break

    # ask the user for their age and check it's between 12 and 120
    age = int_check("Age: ")

    # Out error message / success  message
    if age < 12:
        print(f"{name} is too young")
        continue

    # child ticket price is 7.50
    elif age < 16:
        ticket_price =CHILD_PRICE

    #adult ticket price is 10.50
    elif age < 121:
        ticket_price = ADULT_PRICE

    # senior price is 6.50
    elif age < 121:
        ticket_price = SENIOR_PRICE

    else:
        print(f"{name} is too old")

    #ask user for payment method ( cash / credit / ca / cr)
    pay_method = string_check("Payment method: ", payment_ans, 2)

    if pay_method == "cash":
        surcharge = 0

    # if paying by credit calculate surcharge
    else:
        surcharge = ticket_price * CREDIT_SURCHARGE

    # add name ticket cost and surcharge to 'all_lists'
    all_names.append(name)
    all_ticket_costs.append(ticket_price)
    all_surcharges.append(surcharge)

# create dataframe / table from dictionary
mini_movie_frame = pandas.DataFrame(mini_movie_dict)

# calculate the total payable & profit for each ticket
mini_movie_frame['Total'] = mini_movie_frame['Ticket Price'] + mini_movie_frame['Surcharge']
mini_movie_frame['Profit'] =mini_movie_frame['Ticket Price'] - 5

# work out total and paid profits
total_paid = mini_movie_frame['Total'].sum()
total_profit = mini_movie_frame['Profit'].sum()

# currency formatting ( uses currency function
add_dollars = ['Total', 'Surcharge', 'Ticket Price', 'Profit']
for var_item in add_dollars:
    mini_movie_frame[var_item] = mini_movie_frame[var_item].apply(currency)

# output movie frame without index
print(mini_movie_frame.to_string(index=False))

print()
print(f"Total Paid: ${total_paid:.2f}")
print(f"Total Profit: ${total_profit:.2f}")