#!/bin/bash

# Check for required argument
if [ $# -ne 1 ]; then
    echo "Usage: $0 \"ALBUMARTIST name\""
    exit 1
fi

album_artist="$1"

# Ensure metaflac is installed
if ! command -v metaflac &> /dev/null; then
    echo "metaflac is required but not installed. Exiting."
    exit 1
fi

# Find and update all .flac files recursively
find . -type f -iname "*.flac" | while IFS= read -r flac; do
    echo "Updating ALBUMARTIST in '$flac'..."
    metaflac --remove-tag=ALBUMARTIST "$flac"
    metaflac --set-tag="ALBUMARTIST=$album_artist" "$flac"
done

echo "All matching FLAC files updated."