"""Temp directory scanner and cleaner.

Ported from net.i2p.util.TempDirScanner.
"""

from __future__ import annotations

import os
import time


def scan_temp_dir(directory: str, max_age_secs: float) -> list[str]:
    """Remove files older than max_age_secs from directory.

    Returns list of removed file paths.
    """
    removed: list[str] = []
    now = time.time()
    try:
        for entry in os.scandir(directory):
            if entry.is_file():
                age = now - entry.stat().st_mtime
                if age > max_age_secs:
                    try:
                        os.unlink(entry.path)
                        removed.append(entry.path)
                    except OSError:
                        pass
    except OSError:
        pass
    return removed