from __future__ import annotations

from dataclasses import dataclass
from datetime import datetime


@dataclass
class CalendarMeeting:
    subject: str
    start: datetime
    end: datetime
    hours: float
    is_online: bool


def format_meeting_description(meeting: CalendarMeeting) -> str:
    label = "Teams meeting" if meeting.is_online else "Meeting"
    return f"Attended {label}: {meeting.subject}."