# Import the datetime module to work with dates and times
import datetime

# Get today's date using datetime
today = datetime.date.today()
print('Today is:', today)

# Create a specific date: for example, a birthday
birthday = datetime.date(2000, 6, 15)
print('Birthday:', birthday)

# Calculate the number of days between today and a date
days_since = today - birthday
print('Days since birthday:', days_since.days)

# Get the current time with datetime.datetime.now()
now = datetime.datetime.now()
print('Current time:', now)

# Extract parts of the date and time
print('Year:', now.year)
print('Month:', now.month)
print('Day:', now.day)
print('Hour:', now.hour)
print('Minute:', now.minute)
print('Second:', now.second)

# Format the date as 'Month Day, Year'
formatted = now.strftime('%B %d, %Y')
print('Pretty format:', formatted)

# Format the time as hour:minute AM/PM
formatted_time = now.strftime('%I:%M %p')
print('Time:', formatted_time)

# Ask the user for a date (in YYYY-MM-DD format)
user_input = input('Enter a date (YYYY-MM-DD): ')
user_date = datetime.datetime.strptime(user_input, '%Y-%m-%d').date()
print('You entered:', user_date)

# Handle wrong input with a try...except block
try:
    user_input = input('Enter another date (YYYY-MM-DD): ')
    user_date = datetime.datetime.strptime(user_input, '%Y-%m-%d').date()
    print('You typed:', user_date)
except ValueError:
    print('Oops! That was not the right format. Please try again.')
    

# Adding or subtracting days with timedelta
one_week = datetime.timedelta(days=7)
future = today + one_week
print('One week from today:', future)

# How many days until New Year?
new_year = datetime.date(today.year + 1, 1, 1)
days_left = (new_year - today).days
print('Days until New Year:', days_left)

# List of important dates
important = [
    datetime.date(2024, 1, 1),
    datetime.date(2024, 12, 25),
    datetime.date(2024, 7, 4)
]
for day in important:
    print('Important:', day.strftime('%B %d, %Y'))
    

# Find all dates after today
future_dates = [d for d in important if d > today]
print('Upcoming:', future_dates)

# Sorting a list of dates
mixed = [
    datetime.date(2023, 3, 12),
    datetime.date(2025, 8, 9),
    datetime.date(2022, 11, 5)]
mixed.sort()
print('Dates sorted:', mixed)

# Mini-project: Reminder for birthdays coming soon
friends = [
    ("Alice", datetime.date(2024, 8, 10)),
    ("Bob", datetime.date(2024, 9, 2)),
    ("Carmen", datetime.date(2024, 6, 20))
]
print('Birthdays in the next 30 days:')
for name, bday in friends:
    if 0 < (bday - today).days <= 30:
        print(f"{name}: {bday.strftime('%B %d')}")
        

# Mini-project part 2: Adding your own birthday using input
your_name = input('Your name: ')
your_birthday = input('Your birthday (YYYY-MM-DD): ')
your_date = datetime.datetime.strptime(your_birthday, '%Y-%m-%d').date()
if 0 < (your_date - today).days <= 30:
    print('You have a birthday coming up soon!')
else:
    print('No birthday soon, but it will come around next year.')
    

# Tip: Get current date and time in one line
from datetime import datetime
now = datetime.now()
print(now)