"""Inbox helpers — attachment loading and other non-routing checks."""

from __future__ import annotations

import base64
from pathlib import Path

from inbox.models import Inbox_Messages


def load_message_files(message: Inbox_Messages) -> list[dict]:
    """Read files from file_path when they exist on disk."""
    if not message.file_path:
        return []

    files: list[dict] = []
    for path_str in message.file_path.split(","):
        path = Path(path_str.strip())
        if not path.is_file():
            continue
        try:
            raw = path.read_bytes()
        except OSError:
            continue
        files.append(
            {
                "file_name": path.name,
                "content_base64": base64.b64encode(raw).decode("ascii"),
                "size": len(raw),
            }
        )
    return files