"""Utility functions for the server manager bot."""

import logging

import humanize
from telebot.formatting import escape_markdown

logger = logging.getLogger(__name__)

__all__ = ["format_seconds", "human_speed", "escape_markdown"]


def format_seconds(seconds: int) -> str:
    """Format seconds into human-readable duration."""
    if seconds < 60:
        return f"{seconds}s"
    elif seconds < 3600:
        return f"{seconds // 60}m {seconds % 60}s"
    elif seconds < 86400:
        hours = seconds // 3600
        minutes = (seconds % 3600) // 60
        return f"{hours}h {minutes}m"
    else:
        days = seconds // 86400
        hours = (seconds % 86400) // 3600
        return f"{days}d {hours}h"


def human_speed(speed_bytes: int) -> str:
    """Format bytes per second into human-readable speed."""
    if speed_bytes < 1024:
        return f"{speed_bytes} B/s"
    return humanize.naturalsize(speed_bytes, binary=True, format="%.1f") + "/s"