# Chapter11.py
# log_datetime.txt

# imports
import datetime  # datetime.datetime
# from datetime import datetime,date,time,timedelta  #datetime

# DateTime Class Page 305
# datetime type (string,int,boolean)

# 5 primary objects in datetime
## datetime.date -> (year, month, day)
## datetime.time -> (hour,minute,second,microsecond)
## datetime.datetime -> (yr,mon,day,hr,mi,sec,micro)
## datetime.timedelta -> differences in dates
## datetime.tzinfo -> utc time zone

# Current date and time using now()
currentDateTime = datetime.datetime.now()
print(f"Current DateTime Stamp: {currentDateTime}") # 2024-08-02 12:33:37.521654  <--- datetime type

# Current Date
today = datetime.date.today()
print(f"Today's date: {today}") # 2024-08-02 00:00:00.000000

# Birthday
print("Birthday Form")
varMonth = input("Month (mm): ") # string
varDay = input("Day (dd): ") # string
varYear = input("Year (yyyy): ") # string

birthday = datetime.datetime(int(varYear),int(varMonth),int(varDay))
print(f"Birthday: {birthday}")

# Datetime Formatting page 309
# Friday August 2, 2024
# %A %B %d, %Y  03 21 1990
print(f"Birthday: {birthday:%A %B %d, %Y}") # Wednesday March 21, 1990

# timedelta to calculate differences in time
invoiceDate = datetime.datetime.now()
terms = 30 # Net30 due
dueDate = invoiceDate + datetime.timedelta(days=terms)
print(f"Invoice Due Date: {dueDate:%A %B %d, %Y}")


# import locale
import locale # locale setting EST - PST

# Get the datetime with UTC
from datetime import timezone
nowUTC = datetime.datetime.now(timezone.utc)
print(nowUTC)

# convert to another time zone
## Create a variable to adjust for timedelta(hours=-4)
pst = timezone(datetime.timedelta(hours=-4)) # EST -4 PST
pstNow = nowUTC.astimezone(pst)
print(pstNow)