start.sh

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

echo "=========================================="
echo "   Starting Mini-OpenClaw System (uv)"
echo "=========================================="

# Colors
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color

print_status() {
  echo -e "${GREEN}[STATUS]${NC} $1"
}

print_warning() {
  echo -e "${YELLOW}[WARNING]${NC} $1"
}

print_error() {
  echo -e "${RED}[ERROR]${NC} $1"
}

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PIDS_FILE="${ROOT_DIR}/.pids"
BACKEND_LOG="${ROOT_DIR}/backend.log"
FRONTEND_LOG="${ROOT_DIR}/frontend.log"

cleanup() {
  print_status "Shutting down services..."
  if [[ -f "${PIDS_FILE}" ]]; then
    # shellcheck disable=SC1090
    source "${PIDS_FILE}" || true
    [[ -n "${BACKEND_PID:-}" ]] && kill "${BACKEND_PID}" 2>/dev/null || true
    [[ -n "${FRONTEND_PID:-}" ]] && kill "${FRONTEND_PID}" 2>/dev/null || true
    rm -f "${PIDS_FILE}"
  fi
  print_status "Services stopped."
}

trap cleanup INT TERM

check_command() {
  local cmd="$1"
  local msg="$2"
  if ! command -v "${cmd}" >/dev/null 2>&1; then
    print_error "${msg}"
    exit 1
  fi
}

check_dependencies() {
  print_status "Checking dependencies..."

  check_command python3 "Python3 is not installed. Please install Python 3.10+."
  check_command node "Node.js is not installed. Please install Node.js 18+."
  check_command npm "npm is not installed."
  check_command uv "uv is not installed. Install from: https://docs.astral.sh/uv/getting-started/installation/"

  # Python version check
  local py_major py_minor
  py_major="$(python3 -c 'import sys; print(sys.version_info.major)')"
  py_minor="$(python3 -c 'import sys; print(sys.version_info.minor)')"
  if [[ "${py_major}" -lt 3 || ( "${py_major}" -eq 3 && "${py_minor}" -lt 10 ) ]]; then
    print_error "Python 3.10 or higher is required."
    exit 1
  fi

  # Node version check
  local node_major
  node_major="$(node -v | sed 's/^v//' | cut -d. -f1)"
  if [[ "${node_major}" -lt 18 ]]; then
    print_warning "Node.js 18+ is recommended. Detected: $(node -v)"
  fi

  print_status "Dependencies check passed."
}

setup_backend() {
  print_status "Syncing Python dependencies with uv..."
  cd "${ROOT_DIR}"

  # Sync dev deps too so pytest/tools are available
  uv sync --all-groups

  if [[ ! -f "${ROOT_DIR}/backend/.env" ]]; then
    if [[ -f "${ROOT_DIR}/backend/.env.example" ]]; then
      print_warning "backend/.env not found. Creating from backend/.env.example..."
      cp "${ROOT_DIR}/backend/.env.example" "${ROOT_DIR}/backend/.env"
      echo "Please edit backend/.env and set OPENAI_API_KEY before using chat features."
    else
      print_warning "backend/.env.example not found. Create backend/.env manually."
    fi
  fi
}

setup_frontend() {
  print_status "Setting up frontend..."
  cd "${ROOT_DIR}/frontend"

  if [[ ! -d "node_modules" ]]; then
    print_status "Installing Node.js dependencies..."
    npm install
  else
    print_status "Node.js dependencies already present."
  fi
}

start_services() {
  print_status "Starting services..."

  # Start backend
  print_status "Starting backend server (port 8002)..."
  cd "${ROOT_DIR}"
  nohup uv run uvicorn backend.app:app --host 0.0.0.0 --port 8002 --reload > "${BACKEND_LOG}" 2>&1 &
  BACKEND_PID=$!

  # Wait for backend to initialize
  sleep 3

  # Start frontend
  print_status "Starting frontend server (port 3000)..."
  cd "${ROOT_DIR}/frontend"
  nohup npm run dev > "${FRONTEND_LOG}" 2>&1 &
  FRONTEND_PID=$!

  # Persist PIDs
  {
    echo "BACKEND_PID=${BACKEND_PID}"
    echo "FRONTEND_PID=${FRONTEND_PID}"
  } > "${PIDS_FILE}"

  print_status "Services started."

  echo ""
  echo "=========================================="
  echo "   Services are running!"
  echo "=========================================="
  echo "Frontend:   http://localhost:3000"
  echo "Backend API:http://localhost:8002"
  echo "API Docs:   http://localhost:8002/docs"
  echo ""
  echo "Logs:"
  echo "  Backend:  tail -f ${BACKEND_LOG}"
  echo "  Frontend: tail -f ${FRONTEND_LOG}"
  echo ""
  echo "To stop: ./stop.sh  (or Ctrl+C in this terminal)"
  echo "=========================================="
}

main() {
  check_dependencies
  setup_backend
  setup_frontend
  start_services

  print_status "Press Ctrl+C to stop services..."
  wait
}

main "$@"