import pandas
import random


# functions go here


# checks that user response is not blank
def not_blank(question):
    while True:
        response = input(question)

        if response == "":
            print('sorry this cant be blank. Please try again')
        else:
            return response


# num checker
def num_check(question):
    while True:

        try:
            response = int(input(question))
            return response

        except ValueError:
            print("please enter a number")


# main routine starts here


# Calculate ticket price based on age
def calc_ticket_price(var_age):
    # ticket is $7.50 for under 16
    if var_age < 16:
        price = 7.5

    # ticket is $10.50 for between 16 and 64
    elif var_age < 65:
        price = 10.5

    # ticket price is $6.50 for seniors 65+
    else:
        price = 6.5

    return price


# checks that users enter a valid response (eg yes / no)
# cash / credit) based on a list of options
def string_checker(question, num_letters, valid_responses):
    error = "Please choose {} or {}".format(valid_responses[0], valid_responses[1])

    if num_letters == 1:
        short_version = 1
    else:
        short_version = 2

    while True:

        response = input(question).lower()

        for item in valid_responses:
            if response == item[:short_version] or response == item:
                return item

        print("Please enter a vaild response")


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


# set maximum number of tickets below
MAX_TICKETS = 5
tickets_sold = 0

yes_no_list = ["yes", "no"]
payment_list = ["cash", "credit"]

# Lists to hold ticket details
all_names = []
all_ticket_costs = []
all_surcharge = []

mini_movie_dict = {
    "Name": all_names,
    "Ticket Price": all_ticket_costs,
    "Surcharge": all_surcharge
}

# ask user if they want to see the instructions
want_instructions = string_checker("Do you want to read the "
                                   "instructions (y/n): ",
                                   1, yes_no_list)

if want_instructions == "yes" or want_instructions == "Yes":
    print("instructions go here")
elif want_instructions == "no" or want_instructions == "No":
    print("no instructions ")
else:
    print("please answer yes or no")

# loop to sell tickets
while tickets_sold < MAX_TICKETS:
    name = not_blank("Enter your name (or 'xxx' to quit) ")

    if name == 'xxx':
        break

    age = num_check("Age: ")

    if 12 <= age <= 120:
        pass
    elif age < 12:
        print("sorry your to young for this movie")
        continue
    else:
        print("that looks like a typo please try again.")
        continue

        # calculate ticket cost
    ticket_cost = calc_ticket_price(age)

    # get payment method
    pay_method = string_checker("Select: cash or credit: ",
                                2, payment_list)

    if pay_method == "cash":
        surcharge = 0
    else:
        # calculate 5% surcharge if user are paying by credit card
        surcharge = ticket_cost * 0.05

    tickets_sold += 1

    # add ticket name, cost and surcharge to lists
    all_names.append(name)
    all_ticket_costs.append(ticket_cost)
    all_surcharge.append(surcharge)

# create data frame from dictionary to organise information
mini_movie_frame = pandas.DataFrame(mini_movie_dict)
# mini_movie_frame = mini_movie_frame.set_index('Name')

# Calculate the total ticket cost (ticket + surcharge)
mini_movie_frame['Total'] = mini_movie_frame['Surcharge'] + mini_movie_frame['Ticket Price']

# Calculate the profit for each ticket
mini_movie_frame['Profit'] = mini_movie_frame['Ticket Price'] - 5

# calculate ticket and profit totals
total = mini_movie_frame['Total'].sum()
profit = mini_movie_frame['Profit'].sum()

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

# choose a winner from our name list
winner_name = random.choice(all_names)

# get position of winner name in list
win_index = all_names.index(winner_name)

# look up total amount won (ie: ticket price + surcharge)
total_won = mini_movie_frame.at[win_index, 'Total']

print("<----Ticket Data---->")
print()

# output table with ticket data
print(mini_movie_frame)

print()
print("Total Ticket Sales: ${:.2f}".format(total))
print("Total Profit : ${:.2f}".format(profit))

print()
print('<----Raffle Winner---->')
print("Congratulations {}. You have won {} ie: your""ticket is free!".format(winner_name, total_won))

# Output number of tickets sold
if tickets_sold == MAX_TICKETS:
    print("Congratulations you have sold all of your tickets")
else:
    print("you have sold {} ticket/s. There is {} ticket/s remaining".format(tickets_sold, MAX_TICKETS - tickets_sold))