/**
 * Development-only routes. Not mounted in production.
 */
import { Router, type Request, type Response } from "express";
import { eq, or } from "drizzle-orm";
import { db, invoices, sessions, bootstrapJobs } from "@workspace/db";
import { lnbitsService } from "../lib/lnbits.js";

const router = Router();

/**
 * POST /dev/stub/pay/:paymentHash
 * Simulates an invoice being paid.
 * - In LNbits stub mode: marks the invoice as paid in the in-memory store.
 * - In real LNbits mode (FakeWallet): looks up the BOLT11 from DB and pays it via LNbits.
 *   Searches the invoices, sessions, and bootstrapJobs tables.
 */
router.post("/dev/stub/pay/:paymentHash", async (req: Request, res: Response) => {
  const { paymentHash } = req.params as { paymentHash: string };

  if (lnbitsService.stubMode) {
    lnbitsService.stubMarkPaid(paymentHash);
    res.json({ ok: true, paymentHash, mode: "stub" });
    return;
  }

  // Real LNbits mode — look up the BOLT11 in all tables that store invoices
  let bolt11: string | null = null;

  // 1. Check job eval/work invoices table
  const jobInvoiceRows = await db.select().from(invoices).where(eq(invoices.paymentHash, paymentHash)).limit(1);
  if (jobInvoiceRows.length > 0) {
    bolt11 = jobInvoiceRows[0]!.paymentRequest;
  }

  // 2. Check sessions table (deposit + topup invoices)
  if (!bolt11) {
    const sessionRows = await db.select().from(sessions).where(
      or(eq(sessions.depositPaymentHash, paymentHash), eq(sessions.topupPaymentHash, paymentHash))
    ).limit(1);
    if (sessionRows.length > 0) {
      const s = sessionRows[0]!;
      bolt11 = s.depositPaymentHash === paymentHash
        ? s.depositPaymentRequest
        : (s.topupPaymentRequest ?? null);
    }
  }

  // 3. Check bootstrapJobs table
  if (!bolt11) {
    const bjRows = await db.select().from(bootstrapJobs).where(eq(bootstrapJobs.paymentHash, paymentHash)).limit(1);
    if (bjRows.length > 0) {
      bolt11 = bjRows[0]!.paymentRequest;
    }
  }

  if (!bolt11) {
    res.status(404).json({ error: "Invoice not found for paymentHash" });
    return;
  }

  try {
    await lnbitsService.payInvoice(bolt11);
    res.json({ ok: true, paymentHash, mode: "real" });
  } catch (err) {
    res.status(500).json({ error: err instanceof Error ? err.message : "Failed to pay invoice" });
  }
});

export default router;