// #1873 (redact6): a control-board refusal names the config, the seen marks file or the seat
// by label, never a host path. The sentinel is a component of every scratch path, so a refusal
// that quotes a path quotes the sentinel too; each test also checks the scratch root and the label.
import { test } from 'node:test';
import assert from 'node:assert/strict';
import { mkdirSync, mkdtempSync, rmSync, writeFileSync } from 'node:fs';
import { tmpdir } from 'node:os';
import { dirname, join } from 'node:path';
import { ConfigError, loadConfig, loadRegistrations, loadSeen } from '../src/scan.mjs';
import { readRegistration, registrationPath, SeatError } from '../../seat/src/seat.mjs';
import { startServer } from '../src/serve.mjs';

const secret = 'sk-test-NOT-A-SECRET-1234';
function scratch(t) {
  const root = mkdtempSync(join(tmpdir(), 'r6-'));
  t.after(() => rmSync(root, { recursive: true, force: true }));
  const dir = join(root, secret);
  mkdirSync(dir);
  return { root, dir };
}
function clean(text, root) {
  assert.ok(!text.includes(root), text);
  assert.doesNotMatch(text, /sk-test|NOT-A-SECRET/);
}
function labelled(label, root) {
  return error => {
    assert.ok(error instanceof ConfigError, error.stack);
    assert.equal(error.message, label);
    clean(error.message, root);
    return true;
  };
}
function write(file, text) {
  mkdirSync(dirname(file), { recursive: true });
  writeFileSync(file, text);
  return file;
}

test('config refusals name the config, not its path', t => {
  const { root, dir } = scratch(t);
  assert.throws(() => loadConfig(join(dir, 'config.json')), labelled('config not found', root));
  assert.throws(() => loadConfig(write(join(dir, 'array.json'), '[]')), labelled('config is not an object', root));
  assert.throws(() => loadConfig(write(join(dir, 'relative.json'), '{"dataRoot":"data"}')), labelled('config.dataRoot must be an absolute path', root));
});

test('seen marks refusals name seen.json, not its path', t => {
  const { root, dir } = scratch(t);
  write(join(dir, 'seen.json'), '[]');
  assert.throws(() => loadSeen(dir), labelled('seen marks file seen.json must be a JSON object', root));
  write(join(dir, 'seen.json'), '{"a":1}');
  assert.throws(() => loadSeen(dir), labelled('seen marks file seen.json has a non-string value for "a"', root));
});

test('a bad registration is reported by layout and seat, never by its path', t => {
  const { root, dir } = scratch(t);
  write(registrationPath(dir, 'builder', 'repo'), '{}');
  const { registrations, errors } = loadRegistrations(dir);
  assert.deepEqual(registrations, []);
  assert.equal(errors.length, 1);
  assert.match(errors[0], /^seat repo\/builder: .*: registration repo\/builder$/);
  clean(errors[0], root);
});

// Review round (#1873): a key or name that could be a host path is described, never echoed.
test('a seen marks key or a registration field that is not a plain name is described, never echoed', t => {
  const { root, dir } = scratch(t);
  writeFileSync(join(dir, 'seen.json'), JSON.stringify({ [join(dir, 'host')]: 1 }));
  assert.throws(() => loadSeen(dir), labelled('seen marks file seen.json has a non-string value for that is not a plain name', root));
  const f = registrationPath(dir, 'builder', 'repo');
  mkdirSync(dirname(f), { recursive: true });
  writeFileSync(f, JSON.stringify({ [join(dir, 'host')]: 1 }));
  assert.throws(() => readRegistration(dir, 'builder', 'repo'), e => {
    assert.ok(e instanceof SeatError, e.stack);
    assert.equal(e.exitCode, 2);
    assert.equal(e.message, 'registration has an unknown field: that is not a plain name: registration repo/builder');
    clean(e.message, root);
    return true;
  });
});

test('an invalid seat name or layout states the constraint, never the value, and keeps exit 4', t => {
  const { root, dir } = scratch(t);
  assert.throws(() => registrationPath(dir, join(dir, 'x'), 'repo'), e => e instanceof SeatError && e.exitCode === 4 && e.message === 'invalid seat name (lowercase letters, digits, ., _ or -, at most 64)' && (clean(e.message, root), true));
  assert.throws(() => registrationPath(dir, 'builder', join(dir, 'x')), e => e instanceof SeatError && e.exitCode === 4 && e.message === 'invalid layout (one of repo, fleet, unknown)' && (clean(e.message, root), true));
});

// The board API returns a scan refusal in its JSON body, so the HTTP body carries the label too.
test('a seen marks refusal reaches the board API body by label, never by path', async t => {
  const { root, dir } = scratch(t);
  write(join(dir, 'seen.json'), '[]');
  const server = await startServer({ host: '127.0.0.1', port: 0, specs: [], boardDir: dir, isAlive: () => true, page: '<html></html>' });
  t.after(() => new Promise(done => server.close(done)));
  const res = await fetch(`http://127.0.0.1:${server.address().port}/api/board`);
  const body = await res.text();
  assert.equal(res.status, 500);
  assert.deepEqual(JSON.parse(body), { error: 'seen marks file seen.json must be a JSON object' });
  clean(body, root);
});