#!/usr/bin/env bash
# ============================================================
#  MET Aeroportuário — launcher Linux/macOS
#  Creates a virtual environment if needed, installs
#  dependencies and launches the Streamlit dashboard.
#
#  Usage (from any directory):
#    ./run/run.sh
#    ./run/run.sh --server.port 8502
# ============================================================
set -euo pipefail

# Resolve the project root (one level above this script's folder).
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJ_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
cd "$PROJ_DIR"

# ── 1. Virtual environment ───────────────────────────────────
if [ ! -d ".venv" ]; then
    echo "[1/3] Criando ambiente virtual..."
    python3 -m venv .venv
fi

# ── 2. Install dependencies ──────────────────────────────────
echo "[2/3] Instalando dependencias..."
# shellcheck source=/dev/null
source .venv/bin/activate
pip install -q -r env/requirements.txt

# ── 3. Launch dashboard ──────────────────────────────────────
echo "[3/3] Iniciando dashboard em http://localhost:8501 ..."
exec streamlit run _apps/dashboard.py "$@"