# Functions go here
def make_statement(statement, decoration):
    """Emphasises headings by adding decoration at the start and end"""
    print(f"{decoration * 3} {statement} {decoration * 3}")


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", "ℹ️")

    print('''
Instructions blah blah blah
    ''')

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")


def int_check(question):
    """Checks users enter an integer"""

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

    while True:

        try:
            # change the response to an integer that it's more than zero
            response = int(input(question))

            return response

        except ValueError:
            print(error)




# Main routine goes here
# Initialise ticket numbers
MAX_TICKETS = 5
tickets_sold = 0

# initialise varibles / 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 out of loop
    if name == "xxx":
        break

        # Ask for their age and check its between 12 and 120
    age = int_check("Age: ")

    # Output error message / success message
    if age < 12:
        print(f"Sorry,you are too young for this movie")
        continue
    elif age > 120:
        print(f"?? That looks like a typo (too old)")
        continue
    else:
        # as user for payment method (cash / credit / ca / cr)
        pay_method = string_check("Payment method: ", payment_ans, 2)
        print(f" {name} has 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")
else:
    print(f"You have sold {tickets_sold} / {MAX_TICKETS} tickets.")