// commands/voiceReport.js

import { logger } from '../utils/logger.js';
import { collectVoiceReport } from '../services/voiceReport/voiceReportService.js';
import { renderVoiceReportMarkdown } from '../services/renderers/voiceReportRenderer.js';

function pickDateArg(args) {
  for (let i = 1; i < args.length; i++) {
    const a = String(args[i] || '').trim();
    if (!a || a.startsWith('--')) continue;
    if (/^\d{2,4}$/.test(a) && i === 1) continue;
    return a;
  }
  const flag = args.find((a) => String(a).startsWith('--date='));
  if (flag) return flag.split('=').slice(1).join('=');
  const idx = args.indexOf('--date');
  if (idx >= 0 && args[idx + 1]) return args[idx + 1];
  return null;
}

function hasDetailFlag(args, query) {
  return args.some((a) => ['detail', 'detailed', '--detail', '--detailed'].includes(String(a).toLowerCase()))
    || query.detail === 'true'
    || query.detailed === 'true';
}

export async function handleVoiceReport(bot, trigger) {
  logger('voicereport', 'Handler entered', 'debug');

  const query = trigger.query || {};
  const args = trigger.args || [];

  let storeNum = args[0]?.trim() || query.storeNum || query.store || query.s;
  const dateArg = pickDateArg(args) || query.date || null;
  const detail = hasDetailFlag(args, query);

  if (!storeNum || !/^\d{2,4}$/.test(storeNum)) {
    await bot.say(
      'markdown',
      '**Voice report usage**\n\n' +
      '`/voicereport <store>` — yesterday 9am–9pm local (default)\n' +
      '`/voicereport <store> today` — today 9am → 5 min ago\n' +
      '`/voicereport <store> 2026-07-22` — specific day\n' +
      '`/voicereport <store> --detail` — include per-call table\n\n' +
      'HTTP: `?storeNum=782&date=yesterday&detail=true`',
    );
    return;
  }

  await bot.say(
    'markdown',
    `**Voice report** — generating for store **${storeNum}** ` +
    `(${dateArg || 'yesterday'})… This may take 1–3 minutes while Webex builds the Media Quality report.`,
  );

  try {
    const report = await collectVoiceReport(storeNum, { dateArg });
    const md = renderVoiceReportMarkdown(report, { detail });
    await bot.say('markdown', md);
  } catch (err) {
    logger('voicereport', `Failed for store ${storeNum}: ${err.message}`, 'error');
    await bot.say('markdown', `❌ Voice report failed for store ${storeNum}: ${err.message}`);
  }
}