from datetime import datetime, timedelta, time
import locale
from babel.dates import format_date, get_day_names

locale.setlocale(locale.LC_ALL, 'fr_FR.UTF-8')

def calculate_night_time(start_time: time, end_time: time, pause_time: time, date: datetime) -> float:
    start_datetime = datetime.combine(date, start_time)
    end_datetime = datetime.combine(date, end_time)

    night_start = datetime.combine(date, datetime.strptime("21:00:00", "%H:%M:%S").time())
    night_end = datetime.combine(date, datetime.strptime("06:00:00", "%H:%M:%S").time())    
    night_worktime = timedelta()

    if end_datetime < start_datetime :
        end_datetime += timedelta(days=1)
        night_end += timedelta(days=1)
        night_worktime = min(end_datetime, night_end) - max(start_datetime, night_start)
    else:
        if end_datetime >= night_start:
            night_worktime = max(end_datetime, night_end ) - max(start_datetime, night_start)
            
        else:
            night_worktime = min(end_datetime, night_end) - min(start_datetime, night_start)
    
    night_worktime = max(night_worktime, timedelta())
    pause_delta = timedelta(hours=pause_time.hour, minutes=pause_time.minute)
    night_worktime -= pause_delta if night_worktime > pause_delta else night_worktime

    total_seconds = night_worktime.total_seconds()
    hours = float(total_seconds / 3600)

    return hours

def calculate_work_time(start_time: time, end_time: time, pause_time: time, date: datetime) -> float:
    start_datetime = datetime.combine(date, start_time)
    end_datetime = datetime.combine(date, end_time)
    
    if end_datetime < start_datetime:
        end_datetime += timedelta(days=1)

    worktime = end_datetime - start_datetime
    pause_delta = timedelta(hours=pause_time.hour, minutes=pause_time.minute)
    worktime -= pause_delta if worktime > pause_delta else worktime
    
    total_seconds = worktime.total_seconds()
    hours = float(total_seconds / 3600)
    return hours

def date_to_week_number(date: datetime) -> int:
    return date.isocalendar()[1]

def date_to_week_day(date: datetime) -> int:
    # weekday_english = date.strftime("%A")
    weekday_french = format_date(date, 'EEEE', locale='fr')
    return weekday_french