#!/usr/bin/env bash
# Fetch the configured voice if the shared volume doesn't have it yet, then
# serve it. The download is the only step that needs the internet, and it runs
# once per voice for the life of the volume — Petal itself stays offline-first.
set -euo pipefail

voice="${PIPER_VOICE:?PIPER_VOICE must be set}"
data_dir="${PIPER_DATA_DIR:-/voices}"
port="${PIPER_PORT:-5000}"

if [ ! -f "${data_dir}/${voice}.onnx" ]; then
  echo ">> downloading voice ${voice} into ${data_dir}"
  python -m piper.download_voices "${voice}" --data-dir "${data_dir}"
fi

echo ">> serving ${voice} on :${port}"
# 0.0.0.0 is safe here: the container sits on Petal's internal compose network
# with no published ports, so only Petal can reach it.
exec python -m piper.http_server \
  -m "${voice}" \
  --data-dir "${data_dir}" \
  --host 0.0.0.0 --port "${port}"