dragonflight/services/mam-api/src/routes/settings.js

import express from 'express';
import pool from '../db/pool.js';
import { requireAuth } from '../middleware/auth.js';
import { getAmppConfig } from '../ampp/client.js';

const router = express.Router();
router.use(requireAuth);

// ── AMPP integration ───────────────────────────────────────────────────────

router.get('/ampp', async (req, res, next) => {
  try {
    const result = await pool.query(
      "SELECT key, value FROM settings WHERE key IN ('ampp_base_url', 'ampp_token')"
    );
    const out = {};
    for (const row of result.rows) {
      if (row.key === 'ampp_token') {
        out.ampp_token_exists = true;
      } else {
        out[row.key] = row.value;
      }
    }
    res.json(out);
  } catch (err) {
    next(err);
  }
});

router.put('/ampp', async (req, res, next) => {
  try {
    const { ampp_base_url, ampp_token } = req.body;
    if (!ampp_base_url) return res.status(400).json({ error: 'ampp_base_url is required' });
    const baseUrl = ampp_base_url.trim().replace(/\/$/, '');
    await pool.query(
      `INSERT INTO settings (key, value, updated_at) VALUES ('ampp_base_url', $1, NOW())
       ON CONFLICT (key) DO UPDATE SET value = $1, updated_at = NOW()`,
      [baseUrl]
    );
    if (ampp_token) {
      await pool.query(
        `INSERT INTO settings (key, value, updated_at) VALUES ('ampp_token', $1, NOW())
         ON CONFLICT (key) DO UPDATE SET value = $1, updated_at = NOW()`,
        [ampp_token.trim()]
      );
    }
    res.json({ message: 'AMPP settings saved' });
  } catch (err) {
    next(err);
  }
});

router.post('/ampp/test', async (req, res, next) => {
  try {
    const config = await getAmppConfig();
    if (!config) return res.status(400).json({ error: 'AMPP credentials not configured' });
    const testUrl = `${config.ampp_base_url}/api/v1/store/folder/folders?limit=1`;
    const testRes = await fetch(testUrl, {
      headers: { Authorization: `Bearer ${config.ampp_token}`, 'Content-Type': 'application/json' },
    });
    if (!testRes.ok) return res.status(400).json({ error: `AMPP returned HTTP ${testRes.status}` });
    res.json({ message: 'AMPP connection successful' });
  } catch (err) {
    res.status(400).json({ error: `Connection failed: ${err.message}` });
  }
});

// ── Hardware inventory ─────────────────────────────────────────────────────
// GET /api/v1/settings/hardware — aggregate GPU/BMD capabilities from all cluster nodes

router.get('/hardware', async (req, res, next) => {
  try {
    const result = await pool.query(
      `SELECT id, hostname, role, ip_address, capabilities,
              EXTRACT(EPOCH FROM (NOW() - last_seen))::int AS stale_seconds
       FROM cluster_nodes
       ORDER BY role, hostname`
    );
    const nodes = result.rows.map(n => ({
      id:           n.id,
      hostname:     n.hostname,
      role:         n.role,
      ip_address:   n.ip_address,
      online:       n.stale_seconds < 120,
      capabilities: n.capabilities || {},
    }));
    res.json({ nodes });
  } catch (err) {
    next(err);
  }
});

// ── GPU/Transcoding settings ───────────────────────────────────────────────
// Keys: gpu_transcode_enabled, gpu_codec, gpu_preset, gpu_bitrate_mbps, gpu_node

router.get('/transcoding', async (req, res, next) => {
  try {
    const result = await pool.query(
      `SELECT key, value FROM settings
       WHERE key IN ('gpu_transcode_enabled','gpu_codec','gpu_preset','gpu_bitrate_mbps','gpu_node')`
    );
    const out = {
      gpu_transcode_enabled: 'false',
      gpu_codec:             'h264_nvenc',
      gpu_preset:            'p4',
      gpu_bitrate_mbps:      '8',
      gpu_node:              '',
    };
    for (const { key, value } of result.rows) out[key] = value;
    res.json(out);
  } catch (err) {
    next(err);
  }
});

router.put('/transcoding', async (req, res, next) => {
  try {
    const allowed = ['gpu_transcode_enabled', 'gpu_codec', 'gpu_preset', 'gpu_bitrate_mbps', 'gpu_node'];
    for (const key of allowed) {
      if (req.body[key] !== undefined) {
        await pool.query(
          `INSERT INTO settings (key, value, updated_at) VALUES ($1, $2, NOW())
           ON CONFLICT (key) DO UPDATE SET value = $2, updated_at = NOW()`,
          [key, String(req.body[key])]
        );
      }
    }
    res.json({ message: 'Transcoding settings saved' });
  } catch (err) {
    next(err);
  }
});

// ── Capture service routing ────────────────────────────────────────────────
// capture_service_url — points to the remote capture node's API
// When set, the local capture proxy routes all requests to this URL instead of the sidecar

router.get('/capture-service', async (req, res, next) => {
  try {
    const result = await pool.query(
      "SELECT value FROM settings WHERE key = 'capture_service_url'"
    );
    res.json({ capture_service_url: result.rows[0]?.value || '' });
  } catch (err) {
    next(err);
  }
});

router.put('/capture-service', async (req, res, next) => {
  try {
    const url = (req.body.capture_service_url || '').trim().replace(/\/$/, '');
    await pool.query(
      `INSERT INTO settings (key, value, updated_at) VALUES ('capture_service_url', $1, NOW())
       ON CONFLICT (key) DO UPDATE SET value = $1, updated_at = NOW()`,
      [url]
    );
    res.json({ message: 'Capture service URL saved' });
  } catch (err) {
    next(err);
  }
});

export default router;