# functions.py, this contains
# the definitions of all our own functions
# Consider this as a toolkit!

# define a function show_text()
# => only shows some text to user
def show_text():
    print("Welcome to our app!")
    print("-------------------")
    print("Please follow instructions.")
    print()


# another function: combine_text
# three params: first name, surname, age
def combine_text(first, last, age):
    print(f"Welcome: {first} {last}!")
    print(f"You are {age} years old.")


# define a function that returns data
# => remember to save the result into
# a variable
def get_year():
    result = 2023
    return result

# define a function that
# determines if number is odd or even
def get_even_number_text(number):
    if number % 2 == 0:
        return "Even"
    else:
        return "Odd"


# define a function that counts
# days within hours and returns them
def hours_to_days(hours):
    result = hours // 24
    return result


# define a function that reverses a string
# this is a handy way to hide the weird
# Python way which reverses a string
def reverse_string(text):
    return text[::-1]


# define a function that checks
# if given text is palindrome or not
# (text is same also reversed)
def check_palindrome(text):
    reversed_text = reverse_string(text)
    # check if text is same both ways, return a boolean
    if text == reversed_text:
        return True
    else:
        return False


# define a function that checks is given
# order code follows needed pattern
# exactly 10 characters long, first letter is T
def check_order(code):
    result = True

    # condition 1: length has to be exactly 10
    if len(code) != 10:
        result = False

    # condition 2: first letter has to be T
    if code[0] != "T":
        result = False

    # return the result, whatever it is at this point
    return result


# define a function that
# calculates the average of
# any numeric list
def get_list_average(numbers):
    total = sum(numbers)
    amount = len(numbers)
    result = total / amount
    result = round(result, 2)
    return result

# ACTUAL CODE FILES AFTER THIS

from functions import *

# call our function
show_text()

# print empty line
print()

# call our own function with parameters
combine_text("John", "Doe", 31)

print("App stopped!")

# NEW FILE

from functions import *

# call our own function
# this function returns data
# => we need to save it to a variable
# compare to round() -function
year = get_year()

print(year)
print()

# NEW FILE

from functions import *

# ask integer from user
user_number = input("Give a number:\n")
user_number = int(user_number)

# test our function with a value
result = get_even_number_text(user_number)

# print the returned value
print(result)

# NEW FILE

from functions import *

# let's call our helper function
# that reverses the text (and hides the complex Python process)
text = reverse_string("what about this sentence")

print(text)

# NEW FILE

from functions import *

hours = input("Give amount of hours:\n")
hours = int(hours)

# use our own function to count amount of days in these hours
days = hours_to_days(hours)

print(f"{days} days in total.")

# NEW FILE

from functions import *

word = input("Give a sentence:\n")

# use our own function to see if this is palindrome or not
# result will be a boolean : False/True
result = check_palindrome(word)

if result:
    print("Palindrome!")
else:
    print("Not a palindrome.")

# NEW FILE

from functions import *

order = input("Give a order code:\n")

# use our own function to check if code
# is of expected format: False/True
result = check_order(order)

if result:
    print("Order code OK!")
else:
    print("Invalid order code.")

# NEW FILE

from functions import *

# define our number lists
numbers = [5, 7, 9, 8, 5, 6, 7, 4, 9, 10, 9]
grades = [1, 5, 4, 5, 3, 2, 3, 4, 1, 4, 5]
temperatures = [-8.5, -9.7, -6.5, -24.1, -20.7, -11.6]

# get average for numbers
avg_numbers = get_list_average(numbers)
print(avg_numbers)

# get average for grades
avg_grades = get_list_average(grades)
print(avg_grades)

# get average for temperatures
avg_temperatures = get_list_average(temperatures)
print(avg_temperatures)