#!/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"

echo "[PDC] Starting full application"

if [ ! -d "$BACKEND_DIR" ] || [ ! -d "$FRONTEND_DIR" ]; then
  echo "[PDC] ERROR: backend or frontend directory missing"
  exit 1
fi

if [ ! -d "$BACKEND_DIR/.venv" ]; then
  echo "[PDC] Creating backend virtual environment"
  python3 -m venv "$BACKEND_DIR/.venv"
fi

echo "[PDC] Installing backend dependencies"
"$BACKEND_DIR/.venv/bin/pip" install -q -r "$BACKEND_DIR/requirements.txt"

echo "[PDC] Running backend test suite"
"$BACKEND_DIR/.venv/bin/python" -m pytest -q "$BACKEND_DIR/tests"

echo "[PDC] Installing frontend dependencies"
cd "$FRONTEND_DIR"
npm install

cleanup() {
  echo "[PDC] Stopping services"
  if [ -n "${BACKEND_PID:-}" ] && kill -0 "$BACKEND_PID" 2>/dev/null; then
    kill "$BACKEND_PID" || true
  fi
  if [ -n "${FRONTEND_PID:-}" ] && kill -0 "$FRONTEND_PID" 2>/dev/null; then
    kill "$FRONTEND_PID" || true
  fi
}

trap cleanup EXIT INT TERM

echo "[PDC] Launching backend on http://localhost:8000"
cd "$BACKEND_DIR"
"$BACKEND_DIR/.venv/bin/uvicorn" app.main:app --host 0.0.0.0 --port 8000 --reload &
BACKEND_PID=$!

echo "[PDC] Launching frontend on http://localhost:3000"
cd "$FRONTEND_DIR"
npm run dev -- --port 3000 &
FRONTEND_PID=$!

echo "[PDC] Application is running"
echo "[PDC] Frontend: http://localhost:3000"
echo "[PDC] Backend:  http://localhost:8000"

wait "$BACKEND_PID" "$FRONTEND_PID"