#!/usr/bin/env node
/**
 * Reads scripts/onion-nodes.json and writes:
 *   lib/onionRoutes.generated.ts
 *   tor/cyberlux-nodes.conf
 *   scripts/generated/tor-dirs.txt
 *   scripts/generated/onion-labels.tsv
 *   scripts/generated/onion-port-range.txt
 */
"use strict";

const fs = require("fs");
const path = require("path");

const REPO = path.join(__dirname, "..");
const jsonPath = path.join(__dirname, "onion-nodes.json");
const data = JSON.parse(fs.readFileSync(jsonPath, "utf8"));
const nodes = data.nodes;
const TOR_INTRO_DOS_RATE_PER_SEC = 12;
const TOR_INTRO_DOS_BURST_PER_SEC = 80;
const KNOWN_APP_ENTRIES = [
  "hub",
  "wiki",
  "w",
  "account",
  "arb-academy",
  "awards",
  "barter",
  "chatter",
  "checkout",
  "comparison",
  "conspiracies",
  "darknet-atlas",
  "dashboard",
  "directory",
  "drop-box",
  "drops",
  "easter-eggs",
  "exchange",
  "forum",
  "game",
  "hidden-wiki",
  "inner-circle",
  "links",
  "market",
  "messages",
  "mixer",
  "presswire",
  "raffle",
  "red-room",
  "reviews",
  "sanctuary",
  "search",
  "secret-layer",
  "security-analysis",
  "sign-in",
  "sign-up",
  "support",
  "syndicate",
  "testimonials",
  "trees",
  "trust",
  "vault",
  "vendors",
  "wallets",
  "webring",
];

function torBlock(dir, port) {
  return `
HiddenServiceDir /var/lib/tor/${dir}
HiddenServicePort 80 127.0.0.1:${port}
HiddenServiceEnableIntroDoSDefense 1
HiddenServiceEnableIntroDoSRatePerSec ${TOR_INTRO_DOS_RATE_PER_SEC}
HiddenServiceEnableIntroDoSBurstPerSec ${TOR_INTRO_DOS_BURST_PER_SEC}`;
}

const ports = nodes.map((n) => n.port);
const minP = Math.min(...ports);
const maxP = Math.max(...ports);

const dedicated = {};
for (const n of nodes) {
  if (n.kind === "dedicated") dedicated[n.entry] = n.path;
}

const uniqueEntries = Array.from(new Set([...KNOWN_APP_ENTRIES, ...Object.keys(dedicated)])).sort((a, b) => {
  if (a === "hub") return -1;
  if (b === "hub") return 1;
  return a.localeCompare(b);
});

const drLines = Object.keys(dedicated)
  .sort()
  .map((k) => `  ${JSON.stringify(k)}: ${JSON.stringify(dedicated[k])},`)
  .join("\n");

const ts = `// AUTO-GENERATED by scripts/generate-onion-config.cjs — do not edit

export const CYBERLUX_ENTRY_VALUES = [
${uniqueEntries.map((e) => `  ${JSON.stringify(e)},`).join("\n")}
] as const;

export type CyberluxEntry = (typeof CYBERLUX_ENTRY_VALUES)[number];

export const DEDICATED_ROOT = {
${drLines}
} as const;
`;

let torConf =
  "# CyberLux — generated v3 onion services (include from torrc)\n#\n# Tor ≥ 0.4.7: DoS lines follow each HiddenServiceDir/Port pair.\n";

for (const n of nodes) {
  torConf += torBlock(n.torDir, n.port);
}

const genDir = path.join(REPO, "scripts", "generated");
fs.mkdirSync(genDir, { recursive: true });

const torDirs = nodes.map((n) => n.torDir);
fs.writeFileSync(path.join(genDir, "tor-dirs.txt"), torDirs.join("\n") + "\n");

const labels = [];
for (const n of nodes) {
  let desc = "";
  if (n.kind === "hub") desc = "Hub — full storefront";
  else if (n.kind === "wiki") desc = "Wiki — / → /hidden-wiki";
  else if (n.kind === "w") desc = "Shadow nodes — / → /syndicate, /x → /w/x";
  else desc = `${n.entry} — / → ${n.path}`;
  labels.push(`${n.torDir}\t${desc}`);
}
fs.writeFileSync(path.join(genDir, "onion-labels.tsv"), labels.join("\n") + "\n");
fs.writeFileSync(path.join(genDir, "onion-port-range.txt"), `${minP} ${maxP}\n`);

fs.writeFileSync(path.join(REPO, "lib", "onionRoutes.generated.ts"), ts);
fs.writeFileSync(path.join(REPO, "tor", "cyberlux-nodes.conf"), torConf.trim() + "\n");

const onionLabel = nodes.length === 1 ? "onion" : "onions";
const loopbackLabel = minP === maxP ? `${minP}` : `${minP}–${maxP}`;
console.log(
  `[generate-onion-config] ${nodes.length} ${onionLabel}, nginx loopback ${loopbackLabel}, TS entries: ${uniqueEntries.length}`,
);