// Player onboarding routes and signup flow helpers.

const express = require('express');
const crypto = require('crypto');
const { findAvailableClientName, withClientNameReservation } = require('#src/data/client-name-check');
const { createStyledQrCodeSvg } = require('#src/data/qr-code');
const { getSharedSecret, verifyPageAuthToken, verifyRequestAuth, createRequestAuthHeaders } = require('#src/request-auth');
const { resolvePlayerRegistration, upsertPlayerRegistration: upsertPlayerRegistrationRecord } = require('#src/data/player-registry');
const { isTransientDbError } = require('./store');

const ONBOARDING_SIGNUP_LIMIT_WINDOW_MS = 5 * 60 * 1000;
const ONBOARDING_SIGNUP_LIMIT_MAX_ATTEMPTS = 8;
const PAIRING_CODE_LENGTH = 6;
const PAIRING_CODE_TTL_MS = 15 * 60 * 1000;
const PAIRING_CODE_ALPHABET = 'ABCDEFGHJKLMNPQRSTUVWXYZ23456789';
const onboardingSignupAttempts = new Map();

function normalizeDeviceId(value) {
  return String(value || '').trim().replace(/[^a-zA-Z0-9_-]/g, '').slice(0, 128);
}

function createPairingCode() {
  const bytes = crypto.randomBytes(PAIRING_CODE_LENGTH);
  let code = '';
  for (let index = 0; index < PAIRING_CODE_LENGTH; index += 1) {
    code += PAIRING_CODE_ALPHABET[bytes[index] % PAIRING_CODE_ALPHABET.length];
  }
  return code;
}

function createPairingSession(deviceId, clientId) {
  return { deviceId: normalizeDeviceId(deviceId), clientId: normalizeDeviceId(clientId), code: createPairingCode(), expiresAt: Date.now() + PAIRING_CODE_TTL_MS };
}

function isValidOnboardingPairingCode(pairingSession, pairingCode, now) {
  const suppliedCode = Buffer.from(String(pairingCode || '').trim().toUpperCase());
  const expectedCode = Buffer.from(String(pairingSession && pairingSession.code || '').trim());
  const currentTime = Number(now || Date.now());
  return Boolean(pairingSession && pairingSession.deviceId && pairingSession.expiresAt > currentTime && suppliedCode.length === expectedCode.length && suppliedCode.length > 0 && crypto.timingSafeEqual(suppliedCode, expectedCode));
}

function getPublicBaseUrl(req, configuredUrl) {
  const forwardedProto = String(req.headers['x-forwarded-proto'] || '').trim().split(',')[0];
  const protocol = forwardedProto || (req.socket && req.socket.encrypted ? 'https' : 'http');
  const forwardedHost = String(req.headers['x-forwarded-host'] || '').trim().split(',')[0];
  const host = forwardedHost || String(req.headers.host || '').trim();
  if (host) {
    return `${protocol}://${host}`.replace(/\/$/, '');
  }

  const configured = String(configuredUrl || process.env.PLAYER_PUBLIC_URL || '').trim().replace(/\/$/, '');
  return configured || null;
}

function getRequestIp(req) {
  const forwardedFor = String(req && req.headers && req.headers['x-forwarded-for'] || '').trim().split(',')[0];
  if (forwardedFor) {
    return forwardedFor;
  }

  const remoteAddress = req && req.socket && req.socket.remoteAddress ? String(req.socket.remoteAddress).trim() : '';
  if (!remoteAddress) {
    return 'unknown';
  }

  return remoteAddress.toLowerCase().startsWith('::ffff:') ? remoteAddress.slice(7) : remoteAddress;
}

function getOnboardingLimitKey(req, deviceId) {
  return [getRequestIp(req), normalizeDeviceId(deviceId) || 'anonymous'].join('|');
}

function getPlayerPublicBaseUrl(req, configuredUrl) {
  return getPublicBaseUrl(req, configuredUrl);
}

function getPlayerInternalBaseUrl(configuredUrl) {
  const configured = String(configuredUrl || process.env.PLAYER_INTERNAL_URL || '').trim().replace(/\/$/, '');
  return configured || null;
}

function clearOnboardingSignupAttempts() {
  if (onboardingSignupAttempts.size > 1000) {
    onboardingSignupAttempts.clear();
  }
}

function isOnboardingSignupRateLimited(req, deviceId) {
  const now = Date.now();
  const key = getOnboardingLimitKey(req, deviceId);
  const attempts = onboardingSignupAttempts.get(key) || [];
  const windowStart = now - ONBOARDING_SIGNUP_LIMIT_WINDOW_MS;
  const recentAttempts = attempts.filter(function (timestamp) {
    return timestamp >= windowStart;
  });

  if (recentAttempts.length >= ONBOARDING_SIGNUP_LIMIT_MAX_ATTEMPTS) {
    onboardingSignupAttempts.set(key, recentAttempts);
    return Math.max(1, Math.ceil((recentAttempts[0] + ONBOARDING_SIGNUP_LIMIT_WINDOW_MS - now) / 1000));
  }

  recentAttempts.push(now);
  onboardingSignupAttempts.set(key, recentAttempts);
  clearOnboardingSignupAttempts();
  return 0;
}

async function getOnboardingStatus(pool, deviceId) {
  const normalizedDeviceId = normalizeDeviceId(deviceId);
  if (!normalizedDeviceId) {
    return null;
  }

  const [rows] = await pool.query(
    `SELECT d.device_id, d.client_name, d.screen_id, s.name AS screen_name, s.slug AS screen_slug, s.playlist_id
    FROM d_onboarding_devices d
    LEFT JOIN d_screens s ON s.id = d.screen_id
     WHERE d.device_id = ?`,
    [normalizedDeviceId]
  );

  return rows[0] || null;
}

async function commitDeviceBinding(pool, deviceId, clientName, screenSlug, isNameAvailableOnScreen, liveConnections) {
  const normalizedDeviceId = normalizeDeviceId(deviceId);
  const normalizedClientName = String(clientName || '').trim();
  const normalizedScreenSlug = String(screenSlug || '').trim();
  if (!normalizedDeviceId) {
    throw new Error('Device ID is required.');
  }
  if (!normalizedClientName) {
    throw new Error('Client name is required.');
  }

  if (!normalizedScreenSlug) {
    throw new Error('Screen is required.');
  }

  return withClientNameReservation(pool, normalizedClientName, async function () {
    const [screenRows] = await pool.query('SELECT id, name, slug FROM d_screens WHERE slug = ?', [normalizedScreenSlug]);
    if (!screenRows.length) {
      throw new Error('Screen not found.');
    }
    const screen = screenRows[0];

    const selectedClientName = await findAvailableClientName(pool, normalizedClientName, normalizedDeviceId, liveConnections);
    if (!selectedClientName) {
      const error = new Error('Client name already exists.');
      error.statusCode = 400;
      throw error;
    }

    await pool.query(
      `UPDATE d_onboarding_devices
          SET client_name = ?, screen_id = ?, last_seen_at = CURRENT_TIMESTAMP, modified_at = CURRENT_TIMESTAMP
        WHERE device_id = ?`,
      [selectedClientName, screen.id, normalizedDeviceId]
    );
    await pool.query(
      `INSERT INTO d_onboarding_devices (device_id, client_name, screen_id)
       SELECT ?, ?, ?
        WHERE NOT EXISTS (
          SELECT 1 FROM d_onboarding_devices WHERE device_id = ?
        )`,
      [normalizedDeviceId, selectedClientName, screen.id, normalizedDeviceId]
    );

    return getOnboardingStatus(pool, normalizedDeviceId);
  });
}

async function upsertPlayerRegistration(pool, deviceId, publicBaseUrl, internalBaseUrl) {
  const normalizedDeviceId = normalizeDeviceId(deviceId);
  const normalizedPublicBaseUrl = String(publicBaseUrl || '').trim().replace(/\/$/, '');
  const normalizedInternalBaseUrl = String(internalBaseUrl || '').trim().replace(/\/$/, '');
  if (!normalizedDeviceId) {
    return null;
  }

  return upsertPlayerRegistrationRecord(pool, {
    identifier: normalizedDeviceId,
    publicBaseUrl: normalizedPublicBaseUrl || null,
    internalBaseUrl: normalizedInternalBaseUrl || null
  });
}

async function bindPlayerToScreen(pool, deviceId, screenSlug) {
  const normalizedDeviceId = normalizeDeviceId(deviceId);
  const normalizedScreenSlug = String(screenSlug || '').trim();
  if (!normalizedDeviceId || !normalizedScreenSlug) {
    return null;
  }

  const [screenRows] = await pool.query('SELECT id FROM d_screens WHERE slug = ? LIMIT 1', [normalizedScreenSlug]);
  if (!screenRows.length) {
    return null;
  }

  return {
    screen_id: Number(screenRows[0].id),
    screen_slug: normalizedScreenSlug
  };
}

async function bindDeviceToScreen(pool, deviceId, clientName, screenSlug, isNameAvailableOnScreen, playerRuntime, onboardingStore) {
  const liveConnections = playerRuntime && typeof playerRuntime.snapshotAllConnections === 'function'
    ? playerRuntime.snapshotAllConnections()
    : [];

  try {
    return await commitDeviceBinding(pool, deviceId, clientName, screenSlug, isNameAvailableOnScreen, liveConnections);
  } catch (error) {
    if (!isTransientDbError(error)) {
      throw error;
    }

    if (onboardingStore && typeof onboardingStore.enqueueBinding === 'function') {
      await onboardingStore.enqueueBinding({
        deviceId: deviceId,
        clientName: clientName,
        screenSlug: screenSlug,
        queuedAt: new Date().toISOString()
      });
    }

    return {
      device_id: normalizeDeviceId(deviceId),
      client_name: String(clientName || '').trim(),
      screen_slug: String(screenSlug || '').trim(),
      queued: true
    };
  }
}

function registerPlayerOnboardingRoutes(app, options) {
  const pool = options && options.pool ? options.pool : null;
  const common = options && options.common ? options.common : null;
  const playerRuntime = options && options.playerRuntime ? options.playerRuntime : null;
  const onboardingStore = options && options.onboardingStore ? options.onboardingStore : null;
  const playerPublicUrl = String(options && options.playerPublicBaseUrl || process.env.PLAYER_PUBLIC_URL || '').trim().replace(/\/$/, '');
  const bridgeBaseUrl = String(options && options.bridgeBaseUrl || process.env.BRIDGE_PUBLIC_URL || '').trim().replace(/\/$/, '');
  const playerDeviceId = normalizeDeviceId(options && options.playerDeviceId);
  const onPairingCode = options && typeof options.onPairingCode === 'function' ? options.onPairingCode : null;
  const pairingSessions = new Map();

  function getPairingSession(deviceId, clientId) {
    const normalizedDeviceId = normalizeDeviceId(deviceId) || playerDeviceId;
    if (!normalizedDeviceId) {
      return null;
    }
    const sessionKey = `${normalizedDeviceId}:${normalizeDeviceId(clientId) || 'default'}`;
    let pairingSession = pairingSessions.get(sessionKey);
    if (!isValidOnboardingPairingCode(pairingSession, pairingSession && pairingSession.code)) {
      pairingSession = createPairingSession(normalizedDeviceId, clientId);
      pairingSessions.set(sessionKey, pairingSession);
    }
    if (onPairingCode) {
      onPairingCode(pairingSession.code, Array.from(pairingSessions.entries()).filter(function (entry) {
        return isValidOnboardingPairingCode(entry[1], entry[1] && entry[1].code);
      }).map(function (entry) {
                return { deviceId: entry[1].deviceId, clientId: entry[1].clientId || null, code: entry[1].code };
      }));
    }
    return pairingSession;
  }

  function findPairingSession(pairingCode) {
    for (const [deviceId, pairingSession] of pairingSessions.entries()) {
      if (isValidOnboardingPairingCode(pairingSession, pairingCode)) {
        return { deviceId: pairingSession.deviceId, session: pairingSession };
      }
    }
    return null;
  }

  if (!app || !common) {
    throw new Error('registerPlayerOnboardingRoutes requires app and common.');
  }

  if (!bridgeBaseUrl && (!pool || !playerRuntime)) {
    throw new Error('registerPlayerOnboardingRoutes requires pool and playerRuntime unless bridgeBaseUrl is configured.');
  }

  const sharedSecret = getSharedSecret();

  async function fetchThinClient(req, pathname, options) {
    if (!bridgeBaseUrl) {
      return null;
    }

    const requestOptions = options && typeof options === 'object' ? options : {};
    const method = String(requestOptions.method || req.method || 'GET').trim().toUpperCase();
    const body = Object.prototype.hasOwnProperty.call(requestOptions, 'body') ? requestOptions.body : undefined;
    const requestPathname = String(pathname || '').split('?')[0];
    const headers = Object.assign({}, requestOptions.headers || {}, createRequestAuthHeaders({
      method: method,
      pathname: requestPathname,
      body: body
    }));

    if (req.headers['x-pulse-page-auth']) {
      headers['x-pulse-page-auth'] = String(req.headers['x-pulse-page-auth']).trim();
    }
    if (requestOptions.contentType) {
      headers['content-type'] = requestOptions.contentType;
    }

    return fetch(new URL(pathname, bridgeBaseUrl).toString(), {
      method: method,
      headers: headers,
      body: body === undefined || body === null || method === 'GET' || method === 'HEAD' ? undefined : body
    });
  }

  async function readJsonResponse(response) {
    if (!response) {
      return null;
    }

    const contentType = String(response.headers && typeof response.headers.get === 'function' ? response.headers.get('content-type') : '').toLowerCase();
    if (contentType.indexOf('application/json') === -1 && contentType.indexOf('+json') === -1) {
      return null;
    }

    try {
      return await response.json();
    } catch (_error) {
      return null;
    }
  }

  function requireOnboardingPageAuth(req, res, next) {
    if (!sharedSecret) {
      return next();
    }

    const token = String(req.headers['x-pulse-page-auth'] || '').trim();
    const payload = verifyPageAuthToken(token);
    if (!payload || String(payload.scope || '').trim() !== 'onboarding') {
      return res.status(401).json({ error: 'Onboarding page authentication required.' });
    }

    req.playerPageAuth = payload;
    next();
  }

  function requireOnboardingAuth(req, res, next) {
    if (!sharedSecret) {
      return next();
    }

    const pageToken = String(req.headers['x-pulse-page-auth'] || '').trim();
    const pagePayload = verifyPageAuthToken(pageToken);
    if (pagePayload && String(pagePayload.scope || '').trim() === 'onboarding') {
      req.playerPageAuth = pagePayload;
      return next();
    }

    if (verifyRequestAuth(req)) {
      return next();
    }

    return res.status(401).json({ error: 'Onboarding authentication required.' });
  }

  app.get('/', async function (req, res, next) {
    res.set('Cache-Control', 'no-store, no-cache, must-revalidate, proxy-revalidate');
    try {
      const deviceId = normalizeDeviceId(req.query && req.query.clientId);
      let status = null;
      if (deviceId) {
        if (bridgeBaseUrl) {
          const response = await fetchThinClient(req, '/api/onboarding/status?deviceId=' + encodeURIComponent(deviceId), {
            method: 'GET'
          });
          status = await readJsonResponse(response);
        } else {
          status = await getOnboardingStatus(pool, deviceId);
        }
      }
      const screenId = status && (status.screen_id || status.screenId);
      const screenSlug = status && (status.screen_slug || status.screenSlug);
      if (screenId && screenSlug) {
        return res.redirect('/screen/' + encodeURIComponent(screenSlug));
      }
      res.send(common.renderPlayerOnboardingLandingPage({ pairingCode: '' }));
    } catch (error) {
      next(error);
    }
  });

  app.get('/onboard', async function (req, res, next) {
    res.set('Cache-Control', 'no-store, no-cache, must-revalidate, proxy-revalidate');
    try {
      const deviceId = playerDeviceId;
      const onboardingBaseUrl = String(process.env.WEB_PUBLIC_URL || '').trim().replace(/\/$/, '') || getPublicBaseUrl(req, playerPublicUrl);
      const clientId = normalizeDeviceId(req.query.clientId);
      const pairingSession = getPairingSession(deviceId, clientId);
      const pairingParams = [];
      if (pairingSession && pairingSession.code) {
        pairingParams.push(`code=${encodeURIComponent(pairingSession.code)}`);
      }
      const pairingQuery = pairingParams.length ? `?${pairingParams.join('&')}` : '';
      if (bridgeBaseUrl && pairingSession && pairingSession.code) {
        const response = await fetchThinClient(req, `/api/onboarding/url?pairingCode=${encodeURIComponent(pairingSession.code)}`);
        const payload = await readJsonResponse(response);
        if (payload && payload.url) {
          return res.redirect(String(payload.url));
        }
      }
      return res.redirect(`${onboardingBaseUrl}/pairing${pairingQuery}`);
    } catch (error) {
      next(error);
    }
  });

  app.get('/api/onboarding/status', function (req, res, next) {
    if (sharedSecret) {
      const token = String(req.headers['x-pulse-page-auth'] || '').trim();
      const payload = verifyPageAuthToken(token);
      if (!payload || ['onboarding', 'player'].indexOf(String(payload.scope || '').trim()) === -1) {
        return res.status(401).json({ error: 'Onboarding page authentication required.' });
      }
      req.playerPageAuth = payload;
    }
    next();
  }, async function (req, res, next) {
    try {
      const deviceId = normalizeDeviceId(req.query.deviceId || req.query.clientId);
      if (bridgeBaseUrl) {
        const response = await fetchThinClient(req, '/api/onboarding/status?deviceId=' + encodeURIComponent(deviceId || ''), {
          method: 'GET'
        });
        if (!response) {
          return res.status(502).json({ error: 'Player bridge unavailable.' });
        }
        res.status(response.status);
        const payload = await readJsonResponse(response);
        if (!payload) {
          return res.status(502).json({ error: 'Player bridge returned an invalid response.' });
        }
        payload.playerUrl = payload && payload.screenSlug ? `${getPublicBaseUrl(req, playerPublicUrl)}/screen/${encodeURIComponent(payload.screenSlug)}` : null;
        return res.json(payload);
      }

      const status = await getOnboardingStatus(pool, deviceId);
      res.json({
        deviceId: normalizeDeviceId(deviceId),
        onboarded: Boolean(status && status.screen_id),
        clientName: status ? status.client_name : null,
        screenId: status ? status.screen_id : null,
        screenSlug: status ? status.screen_slug : null,
        screenName: status ? status.screen_name : null,
        playerUrl: status && status.screen_slug ? `${getPublicBaseUrl(req, playerPublicUrl)}/screen/${encodeURIComponent(status.screen_slug)}` : null
      });
    } catch (error) {
      next(error);
    }
  });

  app.get('/api/onboarding/resolve', requireOnboardingAuth, function (req, res) {
    const pairingCode = String(req.query.pairingCode || '').trim();
    const pairing = findPairingSession(pairingCode);
    if (!pairing) {
      return res.status(401).json({ error: 'A valid kiosk pairing code is required.' });
    }
    res.json({ deviceId: pairing.deviceId, clientId: pairing.session.clientId || null });
  });

  app.get('/api/onboarding/session', requireOnboardingPageAuth, function (req, res) {
    const deviceId = normalizeDeviceId(req.query.deviceId) || playerDeviceId;
    const clientId = normalizeDeviceId(req.query.clientId);
    const pairingSession = getPairingSession(deviceId, clientId);
    if (!pairingSession) {
      return res.status(503).json({ error: 'Player identity is unavailable.' });
    }
    res.set('Cache-Control', 'no-store');
    res.json({ deviceId: deviceId, pairingCode: pairingSession.code });
  });

  app.get('/api/onboarding/screens', requireOnboardingPageAuth, async function (_req, res, next) {
    try {
      if (bridgeBaseUrl) {
        const response = await fetchThinClient(_req, '/api/onboarding/screens', {
          method: 'GET'
        });
        res.status(response.status);
        const text = await response.text();
        res.type(response.headers.get('content-type') || 'application/json');
        return res.send(text);
      }

      const [rows] = await pool.query('SELECT id, name, slug FROM d_screens ORDER BY name ASC, id ASC');
      res.json({ screens: rows });
    } catch (error) {
      next(error);
    }
  });


  app.get('/api/onboarding/qr', async function (req, res, next) {
    try {
      const deviceId = normalizeDeviceId(req.query.deviceId) || playerDeviceId;
      const clientId = normalizeDeviceId(req.query.clientId);
      if (!deviceId) {
        return res.status(400).json({ error: 'Device ID is required' });
      }
      const pairingSession = getPairingSession(deviceId, clientId);
      if (!pairingSession) {
        return res.status(503).json({ error: 'Pairing session is unavailable.' });
      }
      if (bridgeBaseUrl) {
        const response = await fetchThinClient(req, `/api/onboarding/qr?pairingCode=${encodeURIComponent(pairingSession.code)}`);
        if (response && response.ok) {
          const svg = await response.text();
          res.set('Content-Type', response.headers.get('content-type') || 'image/svg+xml; charset=utf-8');
          res.set('Cache-Control', 'no-store');
          return res.send(svg);
        }
      }
      const onboardingBaseUrl = String(process.env.WEB_PUBLIC_URL || '').trim().replace(/\/$/, '') || getPublicBaseUrl(req, playerPublicUrl);
      const onboardingUrl = `${onboardingBaseUrl}/pairing?code=${encodeURIComponent(pairingSession.code)}`;
      const svg = await createStyledQrCodeSvg({
        value: onboardingUrl,
        qr_margin: 20,
        qr_dots_type: 'dots',
        qr_dots_color: '#f4f8f5',
        qr_corners_square_type: 'dot',
        qr_corners_square_color: '#f4f8f5',
        qr_corners_dot_type: 'dot',
        qr_corners_dot_color: '#f0bd70',
        qr_background_transparent: true
      });
      res.set('Content-Type', 'image/svg+xml; charset=utf-8');
      res.set('Cache-Control', 'no-store');
      res.send(svg);
    } catch (error) {
      next(error);
    }
  });

  app.post('/api/onboarding', express.json(), requireOnboardingAuth, async function (req, res, next) {
    try {
      const deviceId = playerDeviceId;
      const clientName = String((req.body && req.body.clientName) || '').trim();
      const screenSlug = String((req.body && req.body.screenSlug) || '').trim();
      const pairingCode = String((req.body && req.body.pairingCode) || '').trim();
      const clientId = normalizeDeviceId(req.body && req.body.clientId);
      const retryAfterSeconds = isOnboardingSignupRateLimited(req, deviceId);
      if (retryAfterSeconds) {
        res.set('Retry-After', String(retryAfterSeconds));
        return res.status(429).json({ error: 'Too many onboarding attempts. Please try again later.' });
      }

      const pairing = findPairingSession(pairingCode);
      const pairingSession = pairing && pairing.session;
      if (!isValidOnboardingPairingCode(pairingSession, pairingCode)) {
        return res.status(401).json({ error: 'A valid kiosk pairing code is required.' });
      }

      if (bridgeBaseUrl) {
        const forwardedBody = Object.assign({}, req.body || {}, {
          clientId: clientId || null
        });
        const response = await fetch(new URL('/api/onboarding', bridgeBaseUrl).toString(), {
          method: 'POST',
          headers: Object.assign({
            'content-type': 'application/json'
          }, createRequestAuthHeaders({
            method: 'POST',
            pathname: '/api/onboarding',
            body: forwardedBody
          }), req.headers['x-pulse-page-auth'] ? { 'x-pulse-page-auth': String(req.headers['x-pulse-page-auth']).trim() } : {}),
          body: JSON.stringify(forwardedBody)
        });
        res.status(response.status);
        const payload = await readJsonResponse(response);
        if (!payload) {
          return res.status(502).json({ error: 'Player bridge returned an invalid response.' });
        }
        if (response.ok) {
          pairingSessions.delete(deviceId);
          res.cookie('pulse-player-client-id', clientId, { path: '/', sameSite: 'lax' });
        }
        payload.playerUrl = payload && payload.screenSlug ? `${getPublicBaseUrl(req, playerPublicUrl)}/screen/${encodeURIComponent(payload.screenSlug)}` : `${getPublicBaseUrl(req, playerPublicUrl)}/screen/${encodeURIComponent(screenSlug)}`;
        return res.json(payload);
      }
      if (!deviceId) {
        return res.status(400).json({ error: 'Device ID is required' });
      }
      if (!clientName) {
        return res.status(400).json({ error: 'Client name is required' });
      }
      if (!screenSlug) {
        return res.status(400).json({ error: 'Screen is required' });
      }

      if (!clientId) {
        return res.status(400).json({ error: 'Client ID is required' });
      }
      const status = await bindDeviceToScreen(pool, clientId, clientName, screenSlug, playerRuntime.isClientNameAvailableOnScreen, playerRuntime, onboardingStore);
      pairingSessions.delete(deviceId);
      res.cookie('pulse-player-client-id', clientId, { path: '/', sameSite: 'lax' });
      res.json({
        deviceId: deviceId,
        clientName: status ? status.client_name : clientName,
        screenId: status && status.screen_id ? status.screen_id : null,
        screenSlug: status ? status.screen_slug : screenSlug,
        screenName: status && status.screen_name ? status.screen_name : null,
        playerUrl: status && status.screen_slug ? `${getPublicBaseUrl(req, playerPublicUrl)}/screen/${encodeURIComponent(status.screen_slug)}` : `${getPublicBaseUrl(req, playerPublicUrl)}/screen/${encodeURIComponent(screenSlug)}`,
        queued: Boolean(status && status.queued)
      });
    } catch (error) {
        const statusCode = Number(error && error.statusCode || error && error.status || 500);
        res.status(Number.isFinite(statusCode) && statusCode >= 400 ? statusCode : 500).json({
          error: error && error.message ? error.message : 'Onboarding failed.'
        });
    }
  });
}

module.exports = {
  normalizeDeviceId: normalizeDeviceId,
  getPublicBaseUrl: getPublicBaseUrl,
  getPlayerPublicBaseUrl: getPlayerPublicBaseUrl,
  getPlayerInternalBaseUrl: getPlayerInternalBaseUrl,
  getOnboardingStatus: getOnboardingStatus,
  commitDeviceBinding: commitDeviceBinding,
  upsertPlayerRegistration: upsertPlayerRegistration,
  bindPlayerToScreen: bindPlayerToScreen,
  bindDeviceToScreen: bindDeviceToScreen,
  isValidOnboardingPairingCode: isValidOnboardingPairingCode,
  registerPlayerOnboardingRoutes: registerPlayerOnboardingRoutes
};