// src/commands/help.js
//
// Help renderer.
//
//   /help                  → short, scannable list of every command (one line each)
//                            with grouped headings.
//   /help <command>        → detailed usage + examples for one command.
//
// The previous version was a single 5KB blob of markdown with hard-to-read
// inline URLs. This split keeps the top-level message short for both 1:1 and
// group spaces, and pushes verbose detail behind `/help <command>`.

const SHORT_HELP = {
  // Work orders
  wohistory:     'Recent work order history for a store',
  wosummary:     'AI summary of a specific work order',
  woattachments: 'Download all attachments for a work order',

  // AV / phones
  avstatus:    'AV / device status for a store (alias: /wostatus)',
  voicestatus: 'Quick DECT + IP phone status for a store',
  wanstatus:   'Prisma SD-WAN health + voice traffic quality',
  atlasdiag:   'Live AZM report via Atlas tunnel (sources, zones, accessories)',
  phonediag:   'MPP desk phone relay diagnostics (CP-7841)',
  dectdiag:    'Full DECT base dump via relay (handsets, RSSI, reboot cards)',
  voicediag:   'Deep voice diagnostic: features + WAN + relay probes with fix cards',
  callreport: 'Daily call digest: correlated CDR calls + per-call Prisma WAN (store, email, or phone)',
  calltest:    'Twilio voice path test (store AA or direct dial, 60s listen)',

  // Jira
  jirahistory: 'Recent Jira tickets for a store (optionally filtered by component)',
  jiraticket:  'Detailed AI summary of one Jira ticket',
  jirapoll:    'Run the hourly Jira poller on demand (enrich unassigned AV/phone tickets)',

  // Provisioning / mutating
  'provision-dect': 'Interactive DECT provisioning card (add/remove bases & handsets)',
  'provision-vc':   'Fully provision a video conferencing device',
  vcmonitor:        'On-demand VC packet capture (start/stop/status)',
  offboarduser:     'Offboard user: revoke Webex OAuth tokens + wipe MDM CORP devices',
  webexhost:        'Check / assign Webex Meetings host license on aeo2go.webex.com',

  // Bulk / utility
  bulkavstatuscsv: 'Generate full AV devices report (CSV)',
  bulkavswitchcsv: 'Generate rear-switch port report (CSV)',
  devicesbymodel:  'Meraki devices grouped by model (CSV)',
};

const LONG_HELP = {
  avstatus: {
    title: '/avstatus',
    usage: ['/avstatus <store>', '/avstatus <store> detailed'],
    examples: ['/avstatus 782', '/avstatus 782 detailed'],
    notes: [
      'Aliases: `/wostatus`.',
      'HTTP equivalent: `?storeNum=<n>&detailed=true`.',
      'Includes Meraki deep links per device. For interactive topology, open `/av-store-dashboard.html`.',
    ],
  },
  voicestatus: {
    title: '/voicestatus',
    usage: [
      '/voicestatus <store>',
      '/voicestatus <store> detailed',
    ],
    examples: [
      '/voicestatus 782',
      '/voicestatus 782 detailed',
    ],
    notes: [
      'Shows DECT basestations + IP phones with Meraki links — quick scan only, no follow-up messages.',
      'Detailed mode adds firmware, serial, SIP details and errors.',
      'For MPP desk phone relay diagnostics, use `/phonediag <store>`.',
      'For Prisma SD-WAN metrics, use `/wanstatus <store>`.',
      'For full DECT base dump + reboot/factory-reset controls, use `/dectdiag <store>`.',
      'For an in-depth voice diagnostic with per-user Webex Calling checks + fix cards, use `/voicediag <store>`.',
      'Web dashboard: `/phone-store-dashboard.html`.',
    ],
  },
  atlasdiag: {
    title: '/atlasdiag',
    usage: [
      '/atlasdiag <store>',
      '/atlasdiag <deviceName>',
    ],
    examples: [
      '/atlasdiag 2547',
      '/atlasdiag US002547AMP',
    ],
    notes: [
      'Live AZM diagnostic via Atlas UI tunnel + WebSocket (30–90s).',
      'Reports sources, zones, accessories, uptime, and monitor speaker status.',
      'Sources with input level between -80 and -70 dB are flagged as low.',
      'Monitor speaker is auto-disabled when left on (should only be on during onsite troubleshooting).',
      'Requires ATLAS_AUTH_KEY, UI session creds (ATLAS_UI_EMAIL/PASSWORD or static ATLAS_UI_* headers), and ATLAS_DEVICE_USERNAME/PASSWORD.',
      'HTTP: `?storeNum=2547`.',
    ],
  },
  wanstatus: {
    title: '/wanstatus',
    usage: [
      '/wanstatus <store>',
      '/wanstatus <store> --window 24h',
    ],
    examples: [
      '/wanstatus 782',
      '/wanstatus 782 --window 7d',
    ],
    notes: [
      'Prisma SD-WAN diagnostics for stores managed under site name `CG<store>` (padded to 5 digits).',
      'Shows healthscore, per-path latency/jitter/loss/MOS, active alarms — default window 7 days.',
      'When `PRISMA_APP_ID_VOICE` is configured, includes **Voice Traffic Quality** (DPI-measured MOS / loss / jitter).',
      'Override window via `--window 24h`, `7d`, etc. HTTP: `?storeNum=<n>&window=24h`.',
    ],
  },
  phonediag: {
    title: '/phonediag',
    usage: [
      '/phonediag <store>',
      '/phonediag <store> verbose',
    ],
    examples: [
      '/phonediag 782',
      '/phonediag 782 verbose',
      '/phonediag 782 debug',
    ],
    notes: [
      'MPP desk phone relay diagnostics for CP-7841 phones on 10.x: registration, switch LLDP, provisioning, issues.',
      'Pass `verbose` or `debug` for SIP counters, extra extensions, and probe path table.',
      'Requires `DECT_RELAY_AGENT_TOKEN` and a live dect-relay-agent.',
    ],
  },
  dectdiag: {
    title: '/dectdiag',
    usage: [
      '/dectdiag <store>',
      '/dectdiag <store> <ip|mac>',
    ],
    examples: [
      '/dectdiag 782',
      '/dectdiag 782 10.12.34.56',
      '/dectdiag 782 6c:ab:05:12:34:56',
    ],
    notes: [
      'Aliases: `/dect`.',
      'Pulls the full `status.xml` dump from every reachable DBS-210 base at the store via the on-prem DECT relay agent (device, firmware, handsets & RF, reboot log, network stats, RTP, health verdict).',
      'Also shows **Webex handset registrations** per base (extension, last registration) and **RF signal (RSSI)** from the base when handsets are registered.',
      'Optional second arg filters to one base by IP, MAC, or name substring.',
      'Chat-only action cards per reachable base: **Reboot**, **Force Reboot**, **Factory Reset**. Each requires a confirm click; outcomes are audited under `dect:audit`.',
      'Requires `DECT_RELAY_AGENT_TOKEN` on the bot and a live `dect-relay-agent` in the data center.',
      'HTTP equivalent: `?storeNum=<n>[&base=<ip|mac>]` — markdown dump only (no action cards).',
    ],
  },
  voicediag: {
    title: '/voicediag',
    usage: [
      '/voicediag <store>',
      '/voicediag <store> detail',
      '/voicediag <store> --only <check1,check2>',
      '/voicediag <store> --window <duration>',
      '/voicediag list-checks',
    ],
    examples: [
      '/voicediag 782',
      '/voicediag 782 detail',
      '/voicediag 782 --window 24h',
      '/voicediag 782 --window 15m --only wanLatency,wanJitter,wanLoss,wanMos',
      '/voicediag 782 --only wanAppRtpMos,wanAppRtpLoss,wanAppRtpJitter',
      '/voicediag 782 --only dnd,callForwarding,voicemail',
      '/voicediag list-checks',
    ],
    notes: [
      'Runs per-user Webex Calling checks, SD-WAN checks, and relay probes (MPP desk phones + DECT bases when `DECT_RELAY_AGENT_TOKEN` is set).',
      'The per-app checks measure REAL voice-traffic quality via Prisma DPI (worst 5-minute window over the configured look-back, default 7d), which catches transient degradation the link-probe averages smooth away. Feature-gated on `PRISMA_APP_ID_VOICE` env (set to a Prisma app id like `Webex_Calling_RTP` or `rtp-base`) — checks return skipped with an explanation when not configured.',
      'Default view hides OK checks and highlights errors/warnings/skipped. Pass `detail` (or `detailed`) to also see OK checks with expanded per-link tables + thresholds + roll-ups.',
      'Fixable issues (e.g. DND on, forwarding to wrong number) post a per-issue confirmation card. A single "apply all" card lets you fix everything at once after reviewing.',
      '`--only` restricts the run to specific check ids (comma-separated). Use `/voicediag list-checks` to see every registered id + its scope.',
      '`--window` overrides the WAN look-back window (accepts `15m`, `1h`, `6h`, `24h`, `1d`, `7d`, or a bare minute count; hard-capped at 7d). Applies to healthscore + LQM (latency/jitter/loss/MOS) + per-app voice fetches + alarms. Alarms are floored at 60m. Default is 7d — pass `--window 24h` for a tighter view during live-incident triage, or set `WAN_STANDARD_WINDOW_MINUTES` for a different global default.',
      'Voice-quality thresholds default to ITU-T G.114 / RFC 3550. Override any of them via `WAN_STANDARD_*` env vars (see `.env.example`). Per-app thresholds live under `WAN_STANDARD_APP_*`. Kill-switch: `WAN_STANDARD_ENABLED=false` silences the whole WAN bucket.',
      'HTTP equivalent: `?storeNum=<n>[&detailed=true][&only=id1,id2][&window=15m]`. HTTP callers see the markdown snapshot only — cards are chat-only.',
      'Audit log: every remediation apply/cancel is logged under `voicediag:audit` with the requester identity.',
    ],
  },
  'provision-dect': {
    title: '/provision-dect',
    usage: ['/provision-dect <store>'],
    examples: ['/provision-dect 782'],
    notes: [
      'Aliases: `/provisiondect`.',
      'Posts an interactive card to add/remove bases and handsets.',
      'Looks up "Store XXXX" network using 5-digit person email; access codes are auto-generated.',
    ],
  },
  'provision-vc': {
    title: '/provision-vc',
    usage: ['/provision-vc <serial>', '/provision-vc <serial> <org>'],
    examples: ['/provision-vc FOC2419NTN2', '/provision-vc FOC2419NTN2 todd'],
    notes: [
      'Aliases: `/vcprovision` (legacy).',
      '`<org>` may be partial name (e.g. "todd", "american") or an org ID.',
    ],
  },
  vcmonitor: {
    title: '/vcmonitor',
    usage: ['/vcmonitor <serial> [start|stop|status] [Full|Limited|FullRotate]'],
    examples: [
      '/vcmonitor FOC2419NTN2',
      '/vcmonitor FOC2419NTN2 Limited',
      '/vcmonitor FOC2419NTN2 stop',
      '/vcmonitor FOC2419NTN2 status',
    ],
    notes: [
      'Default action: `start Full` (~3 min capture including RTP).',
      'PCAPs land in the System Log bundle downloadable from Control Hub diagnostics.',
    ],
  },
  callreport: {
    title: '/callreport',
    usage: [
      '/callreport <store>',
      '/callreport <email>',
      '/callreport <phone>',
      '/callreport <target> today',
      '/callreport <target> YYYY-MM-DD',
      '/callreport <target> --detail',
    ],
    examples: [
      '/callreport 782',
      '/callreport mcqueenj@ae.com',
      '/callreport 7247795574',
      '/callreport mcqueenj@ae.com today',
      '/callreport 782 2026-07-22',
      '/callreport 782 --detail',
    ],
    notes: [
      '**Store** (`782`): full location digest for **9am–9pm local** (default: **yesterday**). `today` uses 9am → 5 minutes ago.',
      '**Email** or **phone number**: resolves the user/line location via Webex, fetches location CDR, then filters to that person/number only.',
      'Groups CDR legs by **Correlation ID** into calls; lists inbound reach, auto-attendant, outbound, and abnormal outcomes.',
      'Answered/connected calls include **Prisma Webex_Calling_RTP** MOS/jitter/loss for the call window when configured.',
      'Requires `spark-admin:calling_cdr_read` + Control Hub role **Webex Calling Detailed Call History API access**.',
      'CDR queries are serialized with a **65s cooldown** — a second request in that window is queued and you get a wait notice.',
      '`--detail` adds correlation ID and raises per-section row cap.',
      'HTTP: `?target=782&date=yesterday&detail=true` (also `storeNum`, `email`, `number`).',
      'Alias: `/voicereport` (legacy).',
    ],
  },
  calltest: {
    title: '/calltest',
    usage: [
      '/calltest <store>',
      '/calltest store <store> [+1...]',
      '/calltest dial <e164>',
      '/calltest status <testId>',
    ],
    examples: [
      '/calltest 782',
      '/calltest store 782',
      '/calltest dial +12125550100',
      '/calltest status a1b2c3d4-...',
    ],
    notes: [
      'Places a **real outbound call** via Twilio from the configured `TWILIO_FROM_NUMBER`.',
      '**Store path:** dials the store main number (Webex `locationMainNumber`), pauses for the AA greeting, sends DTMF `1`, waits for the store leg, then runs the shared **60-second** listen test (intro → pause → thank you).',
      '**Direct dial:** calls any E.164 number; on answer, runs the same 60s test with no AA/DTMF.',
      'Requires `TWILIO_*` env vars, `TWILIO_WEBHOOK_BASE_URL` (public HTTPS), and `CALLTEST_ENABLED=true`.',
      'After the result card, follow-ups post separately: **Twilio details** (~10s), **Twilio Insights** (~6 min, requires Advanced Features), **Webex CDR match** (~6 min when location is known).',
      'CDR match works for store tests and dial tests to a known store main number; legs are matched on **destination (called number)** only.',
      'Per-store entry tuning: `config/calltest-stores.json` (`dtmf`, `greetingPauseSec`, `answerWaitSec`).',
    ],
  },
  wohistory: {
    title: '/wohistory',
    usage: ['/wohistory <store>'],
    examples: ['/wohistory 782'],
    notes: ['In a store-linked space, the store can be omitted.'],
  },
  wosummary: {
    title: '/wosummary',
    usage: ['/wosummary <work-order-id>'],
    examples: ['/wosummary 12345678'],
  },
  woattachments: {
    title: '/woattachments',
    usage: ['/woattachments <work-order-id>'],
    examples: ['/woattachments 12345678'],
  },
  jirahistory: {
    title: '/jirahistory',
    usage: [
      '/jirahistory <store>',
      '/jirahistory <store> <component>',
      '/jirahistory <store> all',
    ],
    examples: [
      '/jirahistory 782',
      '/jirahistory 782 phone',
      '/jirahistory 782 av,voice,mobility',
    ],
    notes: [
      'Component shortcuts: `av` → Audio Visual, `phone`/`voice` → Communication Services, `mobility` → Mobility.',
    ],
  },
  jiraticket: {
    title: '/jiraticket',
    usage: ['/jiraticket <KEY>'],
    examples: ['/jiraticket SUPPORT-817694'],
  },
  jirapoll: {
    title: '/jirapoll',
    usage: ['/jirapoll', '/jirapoll prime'],
    examples: ['/jirapoll', '/jirapoll prime'],
    notes: [
      'Triggers the same Jira poller that normally runs at the top of every hour. Enriches any unlabeled matching tickets with a phone/av snapshot comment and labels them `bot-enriched`. Tickets the AI classifier decides are out-of-scope get labeled `bot-skipped` so they aren\'t re-classified every hour.',
      '**Communication Services** tickets mentioning call quality (garbled, static, can\'t connect, …) get **voicestatus + callreport (today)**. Spam/robocall tickets get **callreport** only. See `services/jiraPoller/README.md` for adding more rules.',
      'Idempotent — labels + JQL prevent double-processing, so running multiple times in a row is safe.',
      '`/jirapoll prime` labels every matching ticket without enriching or notifying. Use once after adopting the poller to skip enriching the existing backlog. Same as `JIRA_POLLER_PRIME_ON_START=true` at startup.',
      'A summary of enriched tickets goes to the configured `JIRA_POLLER_ROOM_ID`. The invoking chat also gets a compact result line.',
    ],
  },
  webexhost: {
    title: '/webexhost',
    usage: [
      '/webexhost <email>',
      '/webexhost list',
      '/webexhost debug <email>',
    ],
    examples: [
      '/webexhost jdoe@company.com',
      '/webexhost list',
      '/webexhost debug jdoe@company.com',
    ],
    notes: [
      '`/webexhost <email>` checks whether the user holds any Webex Meetings host license on the configured site (default `aeo2go.webex.com`, override via `WEBEX_HOST_SITE_URL`).',
      'If they already have one, the command reports which license. If not — and `WEBEX_HOST_LICENSE_ID` is set in `.env` — it posts a confirmation card to assign that license.',
      '`/webexhost list` is a discovery helper: lists every meeting license on the site with id + remaining seats, marking the one currently configured for auto-assign.',
      '`/webexhost debug <email>` dumps the raw Webex payload for the user (search-endpoint vs `GET /people/{id}` license counts, intersection with site licenses) — use this when Control Hub disagrees with what the bot says.',
      'Requires service-app scopes: `spark-admin:licenses_read` + `spark-admin:people_write`. Scope/role failures surface inline.',
      'There is no Webex API for the "host vs attendee" account flag itself — host status is determined entirely by holding a meeting license on the site (confirmed via Cisco docs + wxc_sdk source).',
      'Audit log: requests + outcomes are emitted under the `webexhost:audit` scope with the requester identity (chat email or `via HTTP API`).',
    ],
  },
  offboarduser: {
    title: '/offboarduser',
    usage: ['/offboarduser <email>'],
    examples: ['/offboarduser jdoe@company.com'],
    notes: [
      'Posts a confirmation card showing the Webex user + MDM CORP devices that will be acted on.',
      'Confirming revokes every Webex OAuth authorization for the user (signs them out of all Webex clients) and enterprise-wipes each listed MDM CORP device — both run in parallel.',
      'Requires the Webex service app to hold `identity:tokens_read` + `identity:tokens_write` scopes and an admin with Full / User / Device Admin role. Scope/role failures surface inline in the success message.',
      '`Hide from search` is **not** part of this command — Cisco only exposes that toggle in Control Hub, not via any Webex API. Set it manually if your offboarding policy requires it.',
      'Every request and outcome is logged under the `offboard:audit` scope with the requesting user (chat email or `via HTTP API`).',
    ],
  },
  bulkavstatuscsv: {
    title: '/bulkavstatuscsv',
    usage: ['/bulkavstatuscsv'],
    notes: ['Long-running. Posts CSV attachment back to the calling room.'],
  },
  bulkavswitchcsv: {
    title: '/bulkavswitchcsv',
    usage: ['/bulkavswitchcsv'],
    notes: [
      'Long-running. Walks every rear switch in Meraki for VLAN 340/145 ports.',
      'Posts CSV attachment back to the calling room.',
    ],
  },
  devicesbymodel: {
    title: '/devicesbymodel',
    usage: ['/devicesbymodel'],
    notes: ['Posts a Meraki by-model count + CSV to the calling room.'],
  },
};

const GROUPS = [
  { title: 'Work orders',     keys: ['wohistory', 'wosummary', 'woattachments'] },
  { title: 'AV & phones', keys: ['avstatus', 'voicestatus', 'wanstatus', 'atlasdiag', 'phonediag', 'dectdiag', 'voicediag', 'callreport', 'calltest'] },
  { title: 'Jira',            keys: ['jirahistory', 'jiraticket', 'jirapoll'] },
  { title: 'Provisioning',    keys: ['provision-dect', 'provision-vc', 'vcmonitor'] },
  { title: 'Admin & bulk',    keys: ['offboarduser', 'webexhost', 'bulkavstatuscsv', 'bulkavswitchcsv', 'devicesbymodel'] },
];

function renderTopLevelHelp(isGroup) {
  const lines = ['### CollabSupport Bot Help', ''];
  for (const g of GROUPS) {
    lines.push(`**${g.title}**`);
    for (const key of g.keys) {
      const short = SHORT_HELP[key];
      if (!short) continue;
      lines.push(`- \`/${key}\` — ${short}`);
    }
    lines.push('');
  }
  lines.push('Type `/help <command>` for usage and examples (e.g. `/help avstatus`).');
  if (isGroup) {
    lines.push('In a space linked to a store, most commands accept no arguments and pick up the store automatically.');
  }
  lines.push('Web dashboards: `/av-store-dashboard.html`, `/phone-store-dashboard.html`.');
  return lines.join('\n');
}

function renderCommandHelp(name) {
  const detail = LONG_HELP[name];
  if (!detail) return null;
  const lines = [`### ${detail.title}`];
  if (SHORT_HELP[name]) {
    lines.push('', SHORT_HELP[name]);
  }
  if (detail.usage?.length) {
    lines.push('', '**Usage:**');
    for (const u of detail.usage) lines.push(`- \`${u}\``);
  }
  if (detail.examples?.length) {
    lines.push('', '**Examples:**');
    for (const ex of detail.examples) lines.push(`- \`${ex}\``);
  }
  if (detail.notes?.length) {
    lines.push('', '**Notes:**');
    for (const n of detail.notes) lines.push(`- ${n}`);
  }
  return lines.join('\n');
}

export async function handleHelp(bot, trigger) {
  const isGroup = trigger.message?.roomType === 'group';

  // First arg (after `/help`) selects a specific command's detail page.
  // Strip a leading slash so both `/help avstatus` and `/help /avstatus` work.
  const args = trigger.args || [];
  const requested = (args[0] || trigger.query?.command || '')
    .toString()
    .trim()
    .toLowerCase()
    .replace(/^\//, '');

  if (requested) {
    const detail = renderCommandHelp(requested);
    if (detail) {
      await bot.say('markdown', detail);
      return;
    }
    await bot.say(
      'markdown',
      `Unknown command: \`${requested}\`.\n\n${renderTopLevelHelp(isGroup)}`,
    );
    return;
  }

  await bot.say('markdown', renderTopLevelHelp(isGroup));
}