#!/bin/sh
set -e

# Optionally configure DNS servers at runtime if provided
if [ -n "$DNS_SERVERS" ]; then
  {
    for s in $DNS_SERVERS; do
      echo "nameserver $s"
    done
  } > /etc/resolv.conf 2>/dev/null || true
fi

# Optionally configure proxy for outbound requests
if [ -n "$YT_PROXY" ]; then
  export HTTPS_PROXY="$YT_PROXY"
  export HTTP_PROXY="$YT_PROXY"
fi

# Ensure output directory exists and is writable
OUTDIR="${YT_AUDIO_DIR:-/tmp/ytdl}"
mkdir -p "$OUTDIR" 2>/dev/null || true
chmod 777 "$OUTDIR" 2>/dev/null || true

exec "$@"