#!/bin/bash
set -e

DIR="$(cd "$(dirname "$0")" && pwd)"

echo "============================================"
echo "  Chat com IA - Flask + OpenRouter"
echo "============================================"
echo ""

# Detect Python command
PYTHON=""
for cmd in python3 python; do
  if command -v "$cmd" &>/dev/null; then
    PYTHON="$cmd"
    break
  fi
done
if [ -z "$PYTHON" ]; then
  echo "Erro: Python nao encontrado. Instale python3 ou python."
  exit 1
fi

if [ ! -d "$DIR/venv" ]; then
  echo "[1/4] Criando ambiente virtual Python..."
  $PYTHON -m venv "$DIR/venv"
else
  echo "[1/4] Ambiente virtual ja existe."
fi

echo "[2/4] Ativando ambiente virtual..."
source "$DIR/venv/bin/activate"

echo "[3/4] Instalando dependencias..."
pip install --upgrade pip -q
pip install -r "$DIR/requirements.txt" -q

echo "[4/4] Iniciando aplicacao Flask..."
echo ""
echo "  Acesse: http://localhost:5001"
echo "  Pressione Ctrl+C para parar."
echo ""
$PYTHON "$DIR/app.py"