import { Router } from 'express';
import type { Request, Response } from 'express';
import prisma from '../lib/prisma.js';
import { authenticate, requireAdmin } from '../middleware/auth.js';

const router = Router();

function getOrCreateSettings() {
  return prisma.siteSettings.upsert({
    where: { id: 1 },
    update: {},
    create: { id: 1 },
  });
}

// GET /api/settings — public
router.get('/', async (_req: Request, res: Response): Promise<void> => {
  const settings = await getOrCreateSettings();
  res.json({ forumEnabled: settings.forumEnabled, bugsEnabled: settings.bugsEnabled });
});

// PATCH /api/settings — admin only
router.patch('/', authenticate, requireAdmin, async (req: Request, res: Response): Promise<void> => {
  const { forumEnabled, bugsEnabled } = req.body as { forumEnabled?: unknown; bugsEnabled?: unknown };

  const data: { forumEnabled?: boolean; bugsEnabled?: boolean } = {};
  if (typeof forumEnabled === 'boolean') data.forumEnabled = forumEnabled;
  if (typeof bugsEnabled === 'boolean') data.bugsEnabled = bugsEnabled;

  if (Object.keys(data).length === 0) {
    res.status(400).json({ error: 'No valid fields to update' });
    return;
  }

  const settings = await prisma.siteSettings.upsert({
    where: { id: 1 },
    update: data,
    create: { id: 1, ...data },
  });

  res.json({ forumEnabled: settings.forumEnabled, bugsEnabled: settings.bugsEnabled });
});

export default router;