// novox/hq issue 1830: nextcloud reaches only-office's document server by its mesh-delivered
// config, not by hand-set settings, and the loop that applies it never leaks the shared secret.
// Run against the compiled module, the way the runtime loads it.

import { test, mock } from "node:test";
import assert from "node:assert/strict";
import { mkdtempSync, writeFileSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";

import { NextcloudClient } from "../dist/client.js";

const SECRET = "the-shared-jwt-secret";

const FULL_CONFIG = {
  onlyofficeUrl: "https://office.example/",
  onlyofficeInternalUrl: "http://10.10.0.1:9070/",
  onlyofficeStorageUrl: "https://drive.example/",
  onlyofficeSecret: SECRET,
};

function configFile(values: Record<string, string>): string {
  const dir = mkdtempSync(join(tmpdir(), "nextcloud-1830-"));
  const path = join(dir, "config.json");
  writeFileSync(path, JSON.stringify(values));
  return path;
}

function client(): any {
  return new (NextcloudClient as any)("nextcloud", "http://127.0.0.1", "admin", "irrelevant");
}

/** A stand-in occ: config:app:get answers `current`, or throws like the real occ when unset. */
function standInOcc(current: Record<string, string>, opts: { checkFails?: boolean } = {}) {
  const calls: string[][] = [];
  const inputs: Array<string | undefined> = [];
  const impl = (args: string[], occOpts: { input?: string } = {}): string => {
    calls.push(args);
    inputs.push(occOpts.input);
    if (args[0] === "config:app:get") {
      const key = args[2];
      if (!(key in current)) throw new Error("occ produced no output");
      return current[key];
    }
    if (args[0] === "config:app:set") {
      const key = args[2];
      const value = args[3].slice("--value=".length);
      current[key] = value;
      return "System config value onlyoffice => " + key + " set to string " + value;
    }
    if (args[0] === "config:import") {
      const parsed = JSON.parse(occOpts.input ?? "{}");
      Object.assign(current, parsed?.apps?.onlyoffice ?? {});
      return "";
    }
    if (args[0] === "onlyoffice:documentserver") {
      if (opts.checkFails) throw new Error("occ produced no output");
      return "";
    }
    throw new Error("unexpected occ call: " + args.join(" "));
  };
  return { calls, inputs, impl };
}

// 1830/AC3a: when the delivered values differ from Nextcloud's settings, it sets exactly the
// differing ones and runs OnlyOffice's connection check.
test("sets exactly the keys that differ, and runs the connection check", () => {
  const c = client();
  const current: Record<string, string> = {
    DocumentServerUrl: "https://old-office.example/",
    StorageUrl: FULL_CONFIG.onlyofficeStorageUrl, // already correct
    jwt_secret: "a-stale-secret",
    // DocumentServerInternalUrl absent: occ's config:app:get throws, as for a never-set key.
  };
  const stand = standInOcc(current);
  mock.method(c, "occ", stand.impl);

  const result = c.applyOnlyOffice(configFile(FULL_CONFIG));

  assert.deepEqual(result.changed, ["DocumentServerUrl", "DocumentServerInternalUrl", "jwt_secret"]);
  assert.equal(result.checkOk, true);
  assert.ok(stand.calls.some((a) => a[0] === "onlyoffice:documentserver" && a[1] === "--check"),
    "the connection check ran");
  assert.equal(current.StorageUrl, FULL_CONFIG.onlyofficeStorageUrl, "the matching key was left alone");
});

// 1831/AC1: the jwt_secret never reaches a docker/occ argv — it is applied only as stdin of a
// config:import call, never as a config:app:set --value on the command line (novox/hq issue 1831).
test("the jwt_secret is set by stdin of config:import, never in an argv", () => {
  const c = client();
  const current: Record<string, string> = {
    DocumentServerUrl: "https://old-office.example/",
    DocumentServerInternalUrl: FULL_CONFIG.onlyofficeInternalUrl,
    StorageUrl: FULL_CONFIG.onlyofficeStorageUrl,
    jwt_secret: "a-stale-secret",
  };
  const stand = standInOcc(current);
  mock.method(c, "occ", stand.impl);

  const result = c.applyOnlyOffice(configFile(FULL_CONFIG));

  assert.ok(result.changed.includes("jwt_secret"), "jwt_secret was changed");
  assert.ok(!stand.calls.some((a) => a.join(" ").includes(SECRET)), "the secret is in no argv");
  const importCall = stand.calls.findIndex((a) => a[0] === "config:import");
  assert.notEqual(importCall, -1, "a config:import call was made");
  assert.ok(!stand.calls.some((a) => a[0] === "config:app:set" && a[2] === "jwt_secret"),
    "jwt_secret is never set via config:app:set");
  assert.equal(stand.inputs[importCall], JSON.stringify({ apps: { onlyoffice: { jwt_secret: SECRET } } }),
    "the secret is passed only as stdin of config:import");
  assert.equal(current.jwt_secret, SECRET, "the secret was actually applied");
});

// 1832/AC1: a failed check keeps running on every later tick, even with nothing changed, reporting
// checkOk false each time, until it passes — then nothing runs again while nothing changes
// (novox/hq issue 1832).
test("a failed check is re-run every tick until it passes, then nothing runs while unchanged", () => {
  const c = client();
  const current: Record<string, string> = {}; // every key unset, so tick 1 changes all four
  const checkOpts: { checkFails?: boolean } = { checkFails: true };
  const stand = standInOcc(current, checkOpts);
  mock.method(c, "occ", stand.impl);
  const checkCalls = () => stand.calls.filter((a) => a[0] === "onlyoffice:documentserver").length;
  const file = configFile(FULL_CONFIG);

  // Tick 1: everything changes, the check runs and fails (1832/AC1c: reported on a failing tick).
  const tick1 = c.applyOnlyOffice(file);
  assert.deepEqual(tick1.changed.sort(), ["DocumentServerInternalUrl", "DocumentServerUrl", "StorageUrl", "jwt_secret"].sort());
  assert.equal(tick1.checkOk, false);
  assert.equal(checkCalls(), 1);

  // Tick 2: nothing changed, but the last check failed — it is run again (1832/AC1a), and fails
  // again, reported again (1832/AC1c).
  const tick2 = c.applyOnlyOffice(file);
  assert.deepEqual(tick2.changed, []);
  assert.equal(tick2.checkOk, false);
  assert.equal(checkCalls(), 2, "the check ran again though nothing changed");

  // Tick 3: the document server now answers; still nothing changed, but the last check had
  // failed, so it is run again — and this time it passes.
  checkOpts.checkFails = false;
  const tick3 = c.applyOnlyOffice(file);
  assert.deepEqual(tick3.changed, []);
  assert.equal(tick3.checkOk, true);
  assert.equal(checkCalls(), 3);

  // Tick 4: nothing changed, and the last check passed — no check runs (1832/AC1b).
  const tick4 = c.applyOnlyOffice(file);
  assert.deepEqual(tick4.changed, []);
  assert.equal(tick4.checkOk, undefined);
  assert.equal(checkCalls(), 3, "no further check ran once the last one passed");
});

// 1830/AC3b: when they match, it changes nothing and runs no check.
test("changes nothing and runs no check when every value already matches", () => {
  const c = client();
  const current: Record<string, string> = {
    DocumentServerUrl: FULL_CONFIG.onlyofficeUrl,
    DocumentServerInternalUrl: FULL_CONFIG.onlyofficeInternalUrl,
    StorageUrl: FULL_CONFIG.onlyofficeStorageUrl,
    jwt_secret: FULL_CONFIG.onlyofficeSecret,
  };
  const stand = standInOcc(current);
  mock.method(c, "occ", stand.impl);

  const result = c.applyOnlyOffice(configFile(FULL_CONFIG));

  assert.deepEqual(result.changed, []);
  assert.equal(result.checkOk, undefined);
  assert.ok(!stand.calls.some((a) => a[0] === "config:app:set"), "nothing was set");
  assert.ok(!stand.calls.some((a) => a[0] === "onlyoffice:documentserver"), "no check ran");
});

// 1830/AC3c: when a value is empty (not bound or not given yet), it changes nothing, and says so
// once rather than on every call.
test("changes nothing when a value is not given yet, and says so only once", () => {
  const c = client();
  const stand = standInOcc({});
  mock.method(c, "occ", stand.impl);
  const err = mock.method(console, "error", () => {});
  try {
    const partial = { ...FULL_CONFIG, onlyofficeSecret: "" };
    const file = configFile(partial);

    const first = c.applyOnlyOffice(file);
    const second = c.applyOnlyOffice(file);

    assert.deepEqual(first.changed, []);
    assert.deepEqual(second.changed, []);
    assert.equal(stand.calls.length, 0, "occ was never called");
    assert.equal(err.mock.callCount(), 1, "said so once, not on every call");
  } finally {
    err.mock.restore();
  }
});

// 1830/AC3d: the secret appears in no log line and no return value.
test("the secret's value never appears in what is logged or returned", () => {
  const c = client();
  const current: Record<string, string> = {}; // every key unset, so jwt_secret is among those changed
  const stand = standInOcc(current);
  mock.method(c, "occ", stand.impl);
  const log = mock.method(console, "log", () => {});
  const err = mock.method(console, "error", () => {});
  try {
    const result = c.applyOnlyOffice(configFile(FULL_CONFIG));

    assert.ok(result.changed.includes("jwt_secret"), "the key name is returned");
    assert.ok(!result.changed.some((k: string) => k.includes(SECRET)), "never the value, in changed");
    const said = [...log.mock.calls, ...err.mock.calls].map((c) => c.arguments.join(" ")).join("\n");
    assert.ok(!said.includes(SECRET), "never the value, in a log line");
  } finally {
    log.mock.restore();
    err.mock.restore();
  }
});