"""Formatting utilities for display."""

from datetime import timedelta


def format_duration(seconds: int) -> str:
    """
    Format duration in seconds to human-readable string.

    Args:
        seconds: Duration in seconds

    Returns:
        Formatted string like "5d 12h 30m" or "2h 15m" or "45m"
    """
    td = timedelta(seconds=seconds)
    days = td.days
    hours = td.seconds // 3600
    minutes = (td.seconds % 3600) // 60

    if days > 0:
        return f"{days}d {hours}h {minutes}m"
    elif hours > 0:
        return f"{hours}h {minutes}m"
    else:
        return f"{minutes}m"


def format_number(num: int) -> str:
    """
    Format large numbers with thousand separators.

    Args:
        num: Number to format

    Returns:
        Formatted string with commas (e.g., "1,234,567")
    """
    return f"{num:,}"