'use strict';

const assert = require('assert');
const fs = require('fs');
const path = require('path');

const repoRoot = path.resolve(__dirname, '..', '..');

let passed = 0;
let failed = 0;

function test(name, fn) {
  try {
    fn();
    console.log(`  ✓ ${name}`);
    passed++;
  } catch (error) {
    console.log(`  ✗ ${name}`);
    console.log(`    Error: ${error.message}`);
    failed++;
  }
}

function read(relativePath) {
  return fs.readFileSync(path.join(repoRoot, relativePath), 'utf8');
}

console.log('\n=== Testing stale PR salvage ledger ===\n');

test('stale PR salvage ledger defines every disposition state', () => {
  const source = read('docs/stale-pr-salvage-ledger.md');

  for (const state of [
    'Salvaged',
    'Already present',
    'Superseded',
    'Skipped',
    'Translator/manual review',
  ]) {
    assert.ok(source.includes(state), `Missing salvage state ${state}`);
  }
});

test('stale PR salvage ledger preserves representative source attribution', () => {
  const source = read('docs/stale-pr-salvage-ledger.md');

  for (const pr of [
    '#1309',
    '#1232',
    '#1304',
    '#1322',
    '#1326',
    '#1310',
    '#1325',
    '#1413',
    '#1414',
    '#1478',
    '#1493',
    '#1528/#1529/#1547',
    '#1603',
    '#1674',
    '#1687',
    '#1705/#1780',
    '#1757',
  ]) {
    assert.ok(source.includes(pr), `Missing source PR attribution for ${pr}`);
  }
});

test('stale PR salvage ledger records skipped junk and superseded work', () => {
  const source = read('docs/stale-pr-salvage-ledger.md');

  for (const pr of ['#1306', '#1337', '#1341', '#1416/#1465', '#1475']) {
    assert.ok(source.includes(pr), `Missing skipped or superseded PR ${pr}`);
  }

  assert.ok(source.includes('Accidental fork-sync PRs'));
  assert.ok(source.includes('too low-signal'));
});

test('stale PR salvage ledger keeps the zh-CN tail manual-review only', () => {
  const source = read('docs/stale-pr-salvage-ledger.md');

  assert.ok(source.includes('Only the #1687 localization tail remains'));
  assert.ok(source.includes('translator/manual review'));
  assert.ok(source.includes('Do not import stale top-level docs'));
});

test('legacy inventory and roadmap link to the durable salvage ledger', () => {
  const inventory = read('docs/legacy-artifact-inventory.md');
  const roadmap = read('docs/ECC-2.0-GA-ROADMAP.md');

  assert.ok(inventory.includes('docs/stale-pr-salvage-ledger.md'));
  assert.ok(roadmap.includes('docs/stale-pr-salvage-ledger.md'));
  assert.ok(roadmap.includes('#1687 translator/manual'));
});

test('stale PR salvage ledger records the May 12 gap pass', () => {
  const source = read('docs/stale-pr-salvage-ledger.md');

  for (const pr of [
    '#1310',
    '#1325',
    '#1360',
    '#1414',
    '#1415',
    '#1478',
    '#1438',
    '#1504',
    '#1508',
    '#1603',
    '#1693',
  ]) {
    assert.ok(source.includes(pr), `Missing May 12 gap-pass PR ${pr}`);
  }

  assert.ok(source.includes('Django/Celery maintainer branch'));
  assert.ok(source.includes('already preserved in #1770'));
  assert.ok(source.includes('already preserved in #1769'));
  assert.ok(source.includes('already preserved in #1766'));
  assert.ok(source.includes('Already present as `skills/redis-patterns/`'));
});

if (failed > 0) {
  console.log(`\nFailed: ${failed}`);
  process.exit(1);
}

console.log(`\nPassed: ${passed}`);