#!/usr/bin/env python3

import sys
import subprocess
from pathlib import Path


ROOT = Path(sys.argv[1]) if len(sys.argv) > 1 else Path(".")

audio_extensions = {
    ".m4b",
    ".m4a",
    ".mp3",
    ".flac",
    ".ogg",
}


def get_metadata(field, file):
    try:
        result = subprocess.run(
            ["kid3-cli", "-c", f"get {field}", str(file)],
            stdout=subprocess.PIPE,
            stderr=subprocess.DEVNULL,
            text=True,
        )
        return result.stdout.strip()

    except (OSError, subprocess.SubprocessError):
        return ""


# Include ROOT itself, matching find "$ROOT" -type d
for directory in [ROOT] + [p for p in ROOT.rglob("*") if p.is_dir()]:
    audio_files = sorted(
        (
            file
            for file in directory.iterdir()
            if file.is_file()
            and file.suffix.lower() in audio_extensions
        ),
        key=lambda p: str(p),
    )

    if not audio_files:
        continue

    first_file = audio_files[0]

    artist = get_metadata("artist", first_file)
    album = get_metadata("album", first_file)
    composer = get_metadata("composer", first_file)
    comment = get_metadata("comment", first_file)

    print("====≠===============================")
    print(f"Folder: {directory.name}")
    print(f"Album: {album}")
    print(f"Artist: {artist}")
    print(f"Narrator: {composer}")
    print(f"Comment: {comment}")