import os
from flask import Blueprint, jsonify

config_bp = Blueprint("config", __name__)


@config_bp.get("/api/v1/config/whatsapp")
def get_whatsapp_config():
    """Returns the configured WhatsApp number (no auth required)."""
    number = os.environ.get("WHATSAPP_NUMBER", "")
    return jsonify({"whatsapp_number": number})