// src/commands/phoneDiag.js
//
// /phonediag <store> [verbose|debug]
//
// MPP desk phone relay diagnostics (CP-7841 etc.): registration,
// switch LLDP, provisioning history, and formatted issues.

import { collectPhoneStatus } from '../services/phoneService.js';
import { discoverDeskPhones } from '../services/phoneDiscovery.js';
import { probeAll } from '../services/phoneCollectorService.js';
import { renderMppPhoneDiagnosticsMarkdown } from '../services/renderers/mppPhoneDiagnosticsRenderer.js';
import { logger } from '../utils/logger.js';

export async function handlePhoneDiag(bot, trigger) {
  const query = trigger.query || {};
  const args = trigger.args || [];
  const storeNum = (args[0]?.trim() || query.storeNum || query.store || query.s || '').trim();

  const isVerbose = argIncludes(args, 'verbose') || argIncludes(args, 'debug')
    || query.verbose === 'true' || query.verbose === true
    || query.debug === 'true' || query.debug === true;

  if (!storeNum || !/^\d{2,4}$/.test(storeNum)) {
    await bot.say(
      'markdown',
      'Please provide a 2–4 digit store number.\n' +
      'Examples:\n' +
      '- `/phonediag 782`\n' +
      '- `/phonediag 782 verbose`',
    );
    return;
  }

  if (!process.env.DECT_RELAY_AGENT_TOKEN) {
    await bot.say(
      'markdown',
      '⚠️ Phone relay is not configured on this bot (`DECT_RELAY_AGENT_TOKEN` unset). ' +
      'Set the token and run dect-relay-agent in the data center to enable `/phonediag`.',
    );
    return;
  }

  logger('phone:diag', `Collecting MPP phone diagnostics for store ${storeNum}`);

  let phoneData;
  try {
    phoneData = await collectPhoneStatus(storeNum);
  } catch (err) {
    logger('phone:diag', `collectPhoneStatus failed for store ${storeNum}: ${err.message}`, 'error');
    await bot.say('markdown', `❌ Failed to look up store ${storeNum}: ${err.message}`);
    return;
  }

  const { phones, warnings } = discoverDeskPhones(phoneData || {});
  if (warnings.length > 0) {
    logger(
      'phone:diag',
      `MPP discovery warnings for store ${storeNum}: ${warnings.map((w) => w.reason).join('; ')}`,
      'warn',
    );
  }

  if (phones.length === 0) {
    await bot.say(
      'markdown',
      `No MPP desk phones discovered on 10.x for store ${storeNum}.`,
    );
    return;
  }

  await bot.say(
    'markdown',
    `⏳ Probing **${phones.length}** MPP desk phone(s) at store ${storeNum} via relay…`,
  );

  const results = await probeAll(phones);
  const md = renderMppPhoneDiagnosticsMarkdown(results, { storeNum, verbose: isVerbose });
  await bot.say('markdown', md || 'No data available.');
}

function argIncludes(args, token) {
  const needle = String(token).toLowerCase();
  return (args || []).some((a) => String(a).toLowerCase() === needle);
}