from __future__ import annotations

from pathlib import Path

try:
    from tinytag import TinyTag
except ImportError:  # optional until metadata phase is invoked
    TinyTag = None


def read_metadata(path: Path) -> dict:
    if TinyTag is None:
        return {}
    tag = TinyTag.get(str(path), image=False)
    return {
        "duration": tag.duration,
        "artist": tag.artist,
        "title": tag.title,
        "album": tag.album,
        "format": path.suffix.lower().lstrip("."),
        "bitrate": int(tag.bitrate) if tag.bitrate else None,
        "sample_rate": int(tag.samplerate) if tag.samplerate else None,
        "bit_depth": int(tag.bitdepth) if tag.bitdepth else None,
    }