#!/usr/bin/env bash

# Linux launcher for Jarvis-Cognitive (backend API + Streamlit UI)
set -euo pipefail

PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
VENV_PATH="${PROJECT_ROOT}/.venv"
ACTIVATE_SCRIPT="${VENV_PATH}/bin/activate"

if [[ ! -f "${ACTIVATE_SCRIPT}" ]]; then
  echo "Errore: ambiente virtuale non trovato in ${VENV_PATH}"
  echo "Crea l'ambiente con: python3 -m venv .venv"
  echo "e installa i pacchetti: source .venv/bin/activate && pip install -r requirements.txt"
  exit 1
fi

source "${ACTIVATE_SCRIPT}"

BACKEND_HOST="${HOST:-0.0.0.0}"
BACKEND_PORT="${PORT:-8000}"
UI_HOST="${STREAMLIT_HOST:-0.0.0.0}"
UI_PORT="${STREAMLIT_PORT:-8501}"

echo "========================================="
echo " Jarvis-Cognitive – Avvio servizi Linux"
echo " Backend:  http://${BACKEND_HOST}:${BACKEND_PORT}"
echo " UI:       http://${UI_HOST}:${UI_PORT}"
echo "========================================="

cd "${PROJECT_ROOT}"

shutdown() {
  echo
  echo "[launcher] Arresto servizi..."
  if [[ -n "${API_PID:-}" ]] && ps -p "${API_PID}" > /dev/null 2>&1; then
    kill "${API_PID}" 2>/dev/null || true
  fi
}
trap shutdown EXIT INT TERM

echo "[launcher] Avvio backend API..."
HOST="${BACKEND_HOST}" PORT="${BACKEND_PORT}" python api/api_server.py &
API_PID=$!

sleep 6

echo "[launcher] Avvio UI Streamlit..."
streamlit run ui/dashboard.py \
  --server.address "${UI_HOST}" \
  --server.port "${UI_PORT}"

wait "${API_PID}" || true