#!/usr/bin/env sh

# 不 set -e，避免任一进程启动失败时直接退出导致容器无服务
PORT="${PORT:-3000}"
BACKEND_PORT="${BACKEND_PORT:-8000}"

# 先启前端再启后端，保证至少前端能绑定端口；任一退出不杀另一个
echo "Starting Node static frontend on 0.0.0.0:${PORT}..."
HOST=0.0.0.0 PORT="${PORT}" BACKEND_PORT="${BACKEND_PORT}" node dist/server.js &
FRONTEND_PID=$!

echo "Starting FastAPI backend on 0.0.0.0:${BACKEND_PORT}..."
uvicorn backend.main:app --host 0.0.0.0 --port "${BACKEND_PORT}" &
BACKEND_PID=$!

sleep 2
if ! kill -0 "${FRONTEND_PID}" 2>/dev/null; then
  echo "WARN: frontend (node) exited, check logs (e.g. node dist/server.js)"
fi
if ! kill -0 "${BACKEND_PID}" 2>/dev/null; then
  echo "WARN: backend (uvicorn) exited, check logs"
fi

trap 'echo "Stopping services..."; kill ${BACKEND_PID} ${FRONTEND_PID} 2>/dev/null || true' INT TERM

# 两进程都退出才结束，避免一个崩了把另一个也杀掉
while kill -0 "${FRONTEND_PID}" 2>/dev/null || kill -0 "${BACKEND_PID}" 2>/dev/null; do
  wait -n "${FRONTEND_PID}" "${BACKEND_PID}" 2>/dev/null || true
  sleep 1
done