const db = require("../db");

exports.openInvoices = async (req, res) => {
  try {
    const [rows] = await db.promise().query(`
  SELECT 
    i.id,
    i.invoice_date,
    i.total_amount,
    i.status,
    p.firstname,
    p.lastname
  FROM invoices i
  JOIN patients p ON p.id = i.patient_id
  WHERE i.status = 'open'
  ORDER BY i.invoice_date DESC
`);
    console.log("ROWS:", rows);
    const invoices = rows.map((inv) => ({
      ...inv,
      total_amount_formatted: Number(inv.total_amount).toFixed(2),
    }));

    res.render("invoices/open-invoices", {
      user: req.session.user,
      invoices,
      active: "open_invoices",
    });
  } catch (err) {
    console.error("❌ openInvoices Fehler:", err);
    res.status(500).send("Fehler beim Laden der offenen Rechnungen");
  }
};