# Functions go here
def make_statement(statement, decoration, lines=1):
    """Creates headings (3 lines), subheadings (2 lines), and emphasized text / mini headings (1 line). Only use
    emoji for single line statements"""

    middle = f"{decoration * 3} {statement} {decoration * 3}"
    top_bottom = decoration * len(middle)
    if lines == 1:
        print(middle)
    elif lines == 2:
        print(middle)
        print(top_bottom)

    else:
        print(top_bottom)
        print(middle)
        print(top_bottom)


def string_check(question, valid_answers=['yes', 'no'],
                 num_letters=1):
    """Checks that users enter the full word
    or the 'n' letter/s of a word from a list 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}")


def instructions():
    make_statement("Instructions", "ℹ")

    print('''
    
    For each ticket holder enter...
    - Their Name
    - Their Age
    - Their Payment Method (Cash/Credit)
    
    The Program will record the ticket sale and calculate the 
    ticket cost (and the profit)
    
    Once you have either dold all of the tickets or entered the 
    exit code('xxx'), the program will display the ticket 
    sales information and write the data to a text file.
    
    It will also choose one lucky ticket holder who wins the 
    draw (their ticket is free).
    ''')


def int_check(question):
    """Checks users enter an integer that is more than zero (or the optional exit code)"""

    error = "Oops - please enter an integer more than zero."

    while True:

        try:
            # return the response if it's an integer
            response = int(input(question))

            return response

        except ValueError:
            print(error)


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

    while True:
        response = input(question)

        if response != "":
            return response

        print("Sorry this can't be blank. Please try again. \n")


# main

# initialise ticket numbers
MAX_TICKETS = 5
tickets_sold = 0

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

make_statement("Mini-Movie Fundraiser Program", "🍿")

print()
want_instructions = string_check("Do you want to see the instructions? ")

if want_instructions == "yes":
    instructions()

print()

while tickets_sold < MAX_TICKETS:
    # ask user for their name (and check it's not blank)
    print()
    name = not_blank("Name: ")

    # if name is exit code break loop
    if name == "xxx":
        break

    # output error message / success message
    if age < 12:
        print("Sorry, you are too young for this movie")
        continue
    elif age > 120:
        print("Have you made a typo?")
        continue
    else:
        pass

    # ask user for payment method cash or credit
    pay_method = string_check("Payment method: ", payment_ans, 2)
    print(f"{name} bought a ticket ({pay_method})")

    tickets_sold += 1

if tickets_sold == MAX_TICKETS:
    print(f"You have sold all the tickets (ie {MAX_TICKETS} tickets. x")
else:
    print(f"You have sold {tickets_sold} / {MAX_TICKETS} tickets. ")