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

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
BACKEND_DIR="$ROOT_DIR/backend"
FRONTEND_DIR="$ROOT_DIR/frontend"

BACKEND_HOST="${BACKEND_HOST:-127.0.0.1}"
BACKEND_PORT="${BACKEND_PORT:-8000}"
FRONTEND_HOST="${FRONTEND_HOST:-127.0.0.1}"
FRONTEND_PORT="${FRONTEND_PORT:-5173}"
RUN_NAME="${RUN_NAME:-frontend_split_motor_7nm}"

cleanup() {
  if [[ -n "${BACKEND_PID:-}" ]]; then
    kill "$BACKEND_PID" 2>/dev/null || true
  fi
}
trap cleanup EXIT INT TERM

if [[ ! -d "$FRONTEND_DIR/node_modules" ]]; then
  echo "Installing frontend dependencies..."
  (cd "$FRONTEND_DIR" && npm install)
fi

echo "Starting backend on http://$BACKEND_HOST:$BACKEND_PORT"
(
  cd "$BACKEND_DIR"
  python -m src.dev_server --host "$BACKEND_HOST" --port "$BACKEND_PORT" --run-name "$RUN_NAME"
) &
BACKEND_PID=$!

echo "Starting frontend on http://$FRONTEND_HOST:$FRONTEND_PORT"
cd "$FRONTEND_DIR"
npm run dev -- --host "$FRONTEND_HOST" --port "$FRONTEND_PORT"