/**
 * Zhone Technologies OEM Transceiver Catalog Seed
 *
 * Seeds Zhone (now DZS — Dasan Zhone Solutions) branded optical transceiver
 * PIDs for GPON/XGS-PON OLTs, VDSL2/G.fast DSLAMs, and carrier Ethernet
 * access platforms.
 *
 * Sources:
 *  - Zhone/DZS MXK series OLT hardware guide
 *  - DZS Xtreme GPON ONT transceiver specs
 *  - Zhone 6000 series DSLAM optical uplink specs
 *
 * Run:  tsx packages/scraper/src/scrapers/zhone-oem.ts
 * Cron: daily at 01:30
 */

import { pool, ensureVendor } from "../utils/db";

interface ZhonePID {
  pid: string;
  formFactor: string;
  speedGbps: number;
  speed: string;
  reachMeters: number;
  reachLabel: string;
  fiberType: string;
  connector: string;
  wavelengths?: string;
  standard?: string;
  notes?: string;
}

const TELECOM_PIDS = new Set([
  "ZH-SFP-GPON-OLT",
  "ZH-SFP-GPON-ONT",
  "ZH-SFP-XGS-OLT",
  "ZH-SFP-XGS-ONT",
  "ZH-SFP-EPON-OLT",
  "ZH-SFP-10G-BIDI",
]);

const ZHONE_PIDS: ZhonePID[] = [
  // ── GPON (MXK OLT) ───────────────────────────────────────────────────────
  { pid: "ZH-SFP-GPON-OLT",    formFactor: "SFP",    speedGbps: 2.5,  speed: "GPON",    reachMeters: 20000, reachLabel: "GPON-OLT", fiberType: "SMF", connector: "SC",  wavelengths: "1490nm TX / 1310nm RX", standard: "ITU-T G.984", notes: "Zhone MXK GPON OLT SFP, Class B+" },
  { pid: "ZH-SFP-GPON-ONT",    formFactor: "SFP",    speedGbps: 1.25, speed: "GPON",    reachMeters: 20000, reachLabel: "GPON-ONT", fiberType: "SMF", connector: "SC",  wavelengths: "1310nm TX / 1490nm RX", standard: "ITU-T G.984", notes: "Zhone GPON ONT SFP, Class B+" },
  { pid: "ZH-SFP-EPON-OLT",    formFactor: "SFP",    speedGbps: 1.25, speed: "EPON",    reachMeters: 20000, reachLabel: "EPON-OLT", fiberType: "SMF", connector: "SC",  wavelengths: "1490nm TX / 1310nm RX", standard: "IEEE 802.3ah" },

  // ── XGS-PON SFP+ ─────────────────────────────────────────────────────────
  { pid: "ZH-SFP-XGS-OLT",     formFactor: "SFP+",   speedGbps: 10,   speed: "XGS-PON", reachMeters: 20000, reachLabel: "XGS-OLT",  fiberType: "SMF", connector: "SC",  wavelengths: "1577nm TX / 1270nm RX", standard: "ITU-T G.9807", notes: "Zhone DZS XGS-PON OLT SFP+" },
  { pid: "ZH-SFP-XGS-ONT",     formFactor: "SFP+",   speedGbps: 10,   speed: "XGS-PON", reachMeters: 20000, reachLabel: "XGS-ONT",  fiberType: "SMF", connector: "SC",  wavelengths: "1270nm TX / 1577nm RX", standard: "ITU-T G.9807", notes: "Zhone DZS XGS-PON ONT SFP+" },

  // ── 1G SFP (carrier access uplinks) ─────────────────────────────────────
  { pid: "ZH-SFP-1G-SX",       formFactor: "SFP",    speedGbps: 1,   speed: "1G",   reachMeters: 550,    reachLabel: "SX",    fiberType: "MMF", connector: "LC",  wavelengths: "850nm",       standard: "1000BASE-SX" },
  { pid: "ZH-SFP-1G-LX",       formFactor: "SFP",    speedGbps: 1,   speed: "1G",   reachMeters: 10000,  reachLabel: "LX",    fiberType: "SMF", connector: "LC",  wavelengths: "1310nm",      standard: "1000BASE-LX" },
  { pid: "ZH-SFP-1G-ZX",       formFactor: "SFP",    speedGbps: 1,   speed: "1G",   reachMeters: 80000,  reachLabel: "ZX",    fiberType: "SMF", connector: "LC",  wavelengths: "1550nm",      standard: "1000BASE-ZX" },
  { pid: "ZH-SFP-1G-BX-D",     formFactor: "SFP",    speedGbps: 1,   speed: "1G",   reachMeters: 15000,  reachLabel: "BX-D",  fiberType: "SMF", connector: "LC",  wavelengths: "1490nm TX / 1310nm RX" },
  { pid: "ZH-SFP-1G-BX-U",     formFactor: "SFP",    speedGbps: 1,   speed: "1G",   reachMeters: 15000,  reachLabel: "BX-U",  fiberType: "SMF", connector: "LC",  wavelengths: "1310nm TX / 1490nm RX" },

  // ── 10G SFP+ ─────────────────────────────────────────────────────────────
  { pid: "ZH-SFP-10G-SR",      formFactor: "SFP+",   speedGbps: 10,  speed: "10G",  reachMeters: 300,    reachLabel: "SR",    fiberType: "MMF", connector: "LC",  wavelengths: "850nm",       standard: "10GBASE-SR" },
  { pid: "ZH-SFP-10G-LR",      formFactor: "SFP+",   speedGbps: 10,  speed: "10G",  reachMeters: 10000,  reachLabel: "LR",    fiberType: "SMF", connector: "LC",  wavelengths: "1310nm",      standard: "10GBASE-LR" },
  { pid: "ZH-SFP-10G-ER",      formFactor: "SFP+",   speedGbps: 10,  speed: "10G",  reachMeters: 40000,  reachLabel: "ER",    fiberType: "SMF", connector: "LC",  wavelengths: "1550nm",      standard: "10GBASE-ER" },
  { pid: "ZH-SFP-10G-BIDI",    formFactor: "SFP+",   speedGbps: 10,  speed: "10G",  reachMeters: 10000,  reachLabel: "BiDi",  fiberType: "SMF", connector: "LC",  wavelengths: "1270nm TX / 1330nm RX", notes: "Zhone 10G BiDi SFP+" },

  // ── 25G SFP28 ────────────────────────────────────────────────────────────
  { pid: "ZH-SFP28-25G-SR",    formFactor: "SFP28",  speedGbps: 25,  speed: "25G",  reachMeters: 100,    reachLabel: "SR",    fiberType: "MMF", connector: "LC",  wavelengths: "850nm",       standard: "25GBASE-SR" },
  { pid: "ZH-SFP28-25G-LR",    formFactor: "SFP28",  speedGbps: 25,  speed: "25G",  reachMeters: 10000,  reachLabel: "LR",    fiberType: "SMF", connector: "LC",  wavelengths: "1310nm",      standard: "25GBASE-LR" },

  // ── 100G QSFP28 ──────────────────────────────────────────────────────────
  { pid: "ZH-QSFP28-100G-SR4",     formFactor: "QSFP28", speedGbps: 100, speed: "100G", reachMeters: 100,   reachLabel: "SR4",   fiberType: "MMF", connector: "MPO", wavelengths: "850nm",       standard: "100GBASE-SR4" },
  { pid: "ZH-QSFP28-100G-LR4",     formFactor: "QSFP28", speedGbps: 100, speed: "100G", reachMeters: 10000, reachLabel: "LR4",   fiberType: "SMF", connector: "LC",  wavelengths: "1295-1310nm", standard: "100GBASE-LR4" },
];

export async function scrapeZhoneOem(): Promise<void> {
  console.log("=== Zhone/DZS OEM Transceiver Seed ===\n");

  const vendorId = await ensureVendor(
    "DZS (Dasan Zhone Solutions)",
    "oem",
    "https://www.dzsi.com",
    undefined
  );

  let inserted = 0, updated = 0, errors = 0;

  for (const p of ZHONE_PIDS) {
    const slug = `zhone-${p.pid.toLowerCase().replace(/[^a-z0-9]+/g, "-")}`;
    const category = TELECOM_PIDS.has(p.pid) ? "Telecom" : "DataCenter";
    try {
      const res = await pool.query(
        `INSERT INTO transceivers
           (slug, part_number, vendor_id, form_factor, speed, speed_gbps,
            reach_meters, reach_label, fiber_type, connector, wavelengths,
            dom_support, ieee_reference, market_status, category, notes)
         VALUES ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,true,$12,'Mainstream',$13,$14)
         ON CONFLICT (slug) DO UPDATE SET
           speed_gbps   = EXCLUDED.speed_gbps,
           reach_meters = CASE WHEN EXCLUDED.reach_meters > 0 THEN EXCLUDED.reach_meters ELSE transceivers.reach_meters END,
           fiber_type   = CASE WHEN EXCLUDED.fiber_type <> '' THEN EXCLUDED.fiber_type ELSE transceivers.fiber_type END,
           wavelengths  = COALESCE(EXCLUDED.wavelengths, transceivers.wavelengths),
           updated_at   = NOW()
         RETURNING (xmax = 0) as was_inserted`,
        [slug, p.pid, vendorId, p.formFactor, p.speed, p.speedGbps,
         p.reachMeters, p.reachLabel, p.fiberType, p.connector,
         p.wavelengths ?? null, p.standard ?? null, category, p.notes ?? null]
      );
      if (res.rows[0]?.was_inserted) inserted++; else updated++;
    } catch (err) {
      console.warn(`  Skip ${p.pid}: ${(err as Error).message.slice(0, 80)}`);
      errors++;
    }
  }

  console.log(`\n=== Zhone/DZS OEM Seed Complete ===`);
  console.log(`  Inserted: ${inserted}, Updated: ${updated}, Errors: ${errors}`);
  console.log(`  Total PIDs: ${ZHONE_PIDS.length}\n`);
}

if (require.main === module) {
  scrapeZhoneOem()
    .then(() => pool.end())
    .catch((err) => { console.error("Fatal:", err); pool.end(); process.exit(1); });
}
