#!/usr/bin/env bash
# ===========================================================================
#  AGIBOT A3 - Voice Control  |  Linux / macOS launcher
#      ./start.sh      then open http://localhost:8000
# ===========================================================================
set -euo pipefail
cd "$(dirname "$0")"

echo
echo "  AGIBOT A3 - Voice Control"
echo "  ----------------------------------------------"

PY="${PYTHON:-python3}"
if ! command -v "$PY" >/dev/null 2>&1; then
  echo "  [ERROR] python3 not found. Install Python 3.9 or newer."
  exit 1
fi

if [ ! -f .env ]; then
  echo "  Creating .env from .env.example ..."
  cp .env.example .env
fi

if ! "$PY" -c "import fastapi, uvicorn, dotenv, httpx" >/dev/null 2>&1; then
  echo "  Installing dependencies (first run only) ..."
  "$PY" -m pip install --disable-pip-version-check -q -r requirements.txt
fi

echo "  Starting server ... open http://localhost:8000"
echo "  Press Ctrl+C to stop."
echo
exec "$PY" backend/main.py