"""Format and extract RDP/RDG session_duration_sec for UI."""

from __future__ import annotations

from typing import Any


def extract_session_duration_sec(details: dict[str, Any] | None) -> int | None:
    if not isinstance(details, dict):
        return None
    raw = details.get("session_duration_sec")
    if raw is None or raw == "":
        return None
    try:
        value = int(raw)
    except (TypeError, ValueError):
        return None
    if value < 0:
        return None
    return value


def format_session_duration(seconds: int) -> str:
    """
    Human-readable session length for lists:
    - under 24h → HH:MM:SS (05:05:24)
    - 24h+ → Nд HH:MM:SS (1д 00:01:25)
    """
    if seconds < 0:
        return "—"
    days, rem = divmod(int(seconds), 86_400)
    hours, rem = divmod(rem, 3600)
    minutes, secs = divmod(rem, 60)
    clock = f"{hours:02d}:{minutes:02d}:{secs:02d}"
    if days:
        return f"{days}д {clock}"
    return clock