export async function createInvoice(input: InvoiceInput) {
  const client = await clients.require(input.clientId);
  const rate = await dollarRates.current();
  const lines = input.lines.map((l) => priceLine(l, rate));
  const total = sum(lines.map((l) => l.amountPaisa));
  return db.transaction(async (tx) => {
    const number = await counters.next('invoice', tx);
    const invoice = await invoices.insert({ number, client, lines, total }, tx);
    await audit.record('invoice.created', invoice.id, tx);
    await notify.finance({ type: 'invoice.issued', id: invoice.id });
    return invoice;
  });
}

const schema = z.object({
  name: z.string().min(2),
  phone: bdPhone,
  services: z.array(z.enum(SERVICES)),
});

router.post('/leads', async (req, res) => {
  const lead = schema.parse(req.body);
  await limiter.hit(req.ip, { max: 5, windowMs: 600_000 });
  await crm.leads.create({ ...lead, source: 'website' });
  res.status(201).end();
});

export async function createInvoice(input: InvoiceInput) {
  const client = await clients.require(input.clientId);
  const rate = await dollarRates.current();
  const lines = input.lines.map((l) => priceLine(l, rate));
  const total = sum(lines.map((l) => l.amountPaisa));
  return db.transaction(async (tx) => {
    const number = await counters.next('invoice', tx);
    const invoice = await invoices.insert({ number, client, lines, total }, tx);
    await audit.record('invoice.created', invoice.id, tx);
    await notify.finance({ type: 'invoice.issued', id: invoice.id });
    return invoice;
  });
}

const schema = z.object({
  name: z.string().min(2),
  phone: bdPhone,
  services: z.array(z.enum(SERVICES)),
});

router.post('/leads', async (req, res) => {
  const lead = schema.parse(req.body);
  await limiter.hit(req.ip, { max: 5, windowMs: 600_000 });
  await crm.leads.create({ ...lead, source: 'website' });
  res.status(201).end();
});