// Tests for the public-link gate. Unit tests use synthetic content; the last test is the
// FERDIG criterion and reads this repository's own README and manifest.
import { test } from 'node:test';
import assert from 'node:assert/strict';
import { spawnSync } from 'node:child_process';
import { mkdirSync, mkdtempSync, writeFileSync } from 'node:fs';
import { tmpdir } from 'node:os';
import { dirname, join } from 'node:path';
import { fileURLToPath } from 'node:url';
import { PUBLIC_REPOS, extractRepoLinks, scanFiles, runCheck } from './check-public-links.mjs';

const HERE = dirname(fileURLToPath(import.meta.url));
const REPO = join(HERE, '..');
const CLI = join(HERE, 'check-public-links.mjs');

test('extractRepoLinks finds every org-repo link with its line, dropping .git', () => {
  const content = [
    '# title',
    '[a](https://git.fromaitochitta.com/open/voyage) and [b](https://git.fromaitochitta.com/open/okr/src/branch/main)',
    '"url": "https://git.fromaitochitta.com/open/repo-mailbox.git"',
    'https://example.com/open/not-ours',
  ].join('\n');
  assert.deepEqual(extractRepoLinks(content), [
    { line: 2, repo: 'voyage' },
    { line: 2, repo: 'okr' },
    { line: 3, repo: 'repo-mailbox' },
  ]);
});

test('scanFiles flags only links to repositories off the public list', () => {
  const { links, findings } = scanFiles(
    [
      { path: 'README.md', content: 'https://git.fromaitochitta.com/open/voyage\nhttps://git.fromaitochitta.com/open/gone-private' },
      { path: 'm.json', content: '"https://git.fromaitochitta.com/open/gone-private.git"' },
    ],
    ['voyage'],
  );
  assert.equal(links.length, 3);
  assert.deepEqual(findings.map((f) => `${f.path}:${f.line}:${f.repo}`), ['README.md:2:gone-private', 'm.json:1:gone-private']);
});

test('the public list is sorted and has no duplicates', () => {
  assert.deepEqual([...PUBLIC_REPOS].sort(), PUBLIC_REPOS);
  assert.equal(new Set(PUBLIC_REPOS).size, PUBLIC_REPOS.length);
});

function tmpRoot(files) {
  const root = mkdtempSync(join(tmpdir(), 'public-links-'));
  for (const [path, body] of Object.entries(files)) {
    mkdirSync(dirname(join(root, path)), { recursive: true });
    writeFileSync(join(root, path), body);
  }
  return root;
}

test('CLI exits 1 on a hit and 0 on a clean surface, always printing the denominator', () => {
  const run = (root) => spawnSync(process.execPath, [CLI, root], { encoding: 'utf8' });
  const dirty = run(tmpRoot({ 'README.md': 'https://git.fromaitochitta.com/open/voyage\nhttps://git.fromaitochitta.com/open/gone-private\n' }));
  assert.equal(dirty.status, 1);
  assert.match(dirty.stdout, /\[ERROR\] link to a repository not listed as public — README\.md:2: open\/gone-private/);
  assert.match(dirty.stdout, /2 org-repo links in 1\/2 files/);
  const clean = run(tmpRoot({ '.claude-plugin/marketplace.json': '"https://git.fromaitochitta.com/open/voyage.git"' }));
  assert.equal(clean.status, 0);
  assert.match(clean.stdout, /1 org-repo links in 1\/2 files, \d+ public repos listed — 0 hit/);
});

test('CLI fails when it finds no links at all: verified nothing', () => {
  const r = spawnSync(process.execPath, [CLI, tmpRoot({ 'README.md': 'no links\n' })], { encoding: 'utf8' });
  assert.equal(r.status, 1);
  assert.match(r.stdout, /verified nothing/);
});

// The FERDIG criterion: the catalog links only to repositories listed as public, and every
// plugin in the manifest is one of them.
test('this repository: README and manifest link only to public repositories', () => {
  const { files, links, findings } = runCheck(REPO);
  assert.equal(files, 2, 'both surface files present');
  assert.ok(links.length > 0, '0 links found — verified nothing');
  assert.deepEqual(findings.map((f) => `${f.path}:${f.line}: open/${f.repo}`), []);
});