#!/usr/bin/env bash
set -euo pipefail

PUID="${PUID:-1000}"
PGID="${PGID:-1000}"

# Create a matching group/user if needed.
if ! getent group "$PGID" >/dev/null 2>&1; then
  groupadd -g "$PGID" beets
fi

if ! id -u "$PUID" >/dev/null 2>&1; then
  useradd -u "$PUID" -g "$PGID" -d /music/beets -s /bin/zsh beets
fi

mkdir -p \
  /music/beets/config \
  /music/beets/cache \
  /music/beets/logs \
  /music/beets/.config \
  /music/library \
  /music/inbox \
  /music/pruned

# Make ~/.config/beets resolve to the repo config directory.
# This preserves your current mental model and helps scripts that expect it.
if [[ ! -e /music/beets/.config/beets ]]; then
  ln -s ../config /music/beets/.config/beets
fi

# Compatibility shim for your existing beets config.
# You can later change config.yaml to call /music/beets/scripts/check-audio-decode directly.
if [[ -x /music/beets/scripts/check-audio-decode && ! -e /usr/local/bin/check-audio-decode ]]; then
  ln -s /music/beets/scripts/check-audio-decode /usr/local/bin/check-audio-decode
fi

# Do not recursively chown /music/library. That can be huge and dangerous.
# Only touch small beets-owned state directories.
chown -h "$PUID:$PGID" /music/beets /music/beets/.config /music/beets/.config/beets 2>/dev/null || true
chown -R "$PUID:$PGID" /music/beets/cache /music/beets/logs 2>/dev/null || true

exec gosu "$PUID:$PGID" "$@"