#!/usr/bin/env node

import assert from 'node:assert/strict';
import { mkdtempSync, mkdirSync, rmSync, writeFileSync } from 'node:fs';
import { tmpdir } from 'node:os';
import path from 'node:path';
import process from 'node:process';
import { spawnSync } from 'node:child_process';

const ROOT_DIR = path.resolve(import.meta.dirname, '..');
const REPO_SHIM = path.join(ROOT_DIR, 'scripts', 'operator_notify_bridge_supervisor.mjs');
const PACKAGE_ENTRY = path.join(ROOT_DIR, 'plugins', 'reporting-governance', 'scripts', 'operator_notify_bridge_supervisor.mjs');

function createFixture() {
  const fixtureRoot = mkdtempSync(path.join(tmpdir(), 'operator-notify-bridge-supervisor-shim-regression-'));
  const queueDir = path.join(fixtureRoot, 'queue');
  const spoolDir = path.join(fixtureRoot, 'spool');
  const receiptDir = path.join(fixtureRoot, 'receipts');
  const attemptDir = path.join(fixtureRoot, 'attempts');
  [queueDir, spoolDir, receiptDir, attemptDir].forEach((dir) => mkdirSync(dir, { recursive: true }));

  const queuePath = path.join(queueDir, 'queue-item.json');
  writeFileSync(queuePath, `${JSON.stringify({
    notification_id: 'notify-supervisor-shim-regression-1',
    status: 'dispatched',
    dispatch_result: { state: 'dispatched', mode: 'spool_only' },
  }, null, 2)}\n`, 'utf8');

  const spoolPath = path.join(spoolDir, 'notify-supervisor-shim-regression-1-dispatch.json');
  writeFileSync(spoolPath, `${JSON.stringify({
    notification_id: 'notify-supervisor-shim-regression-1',
    queue_item_path: queuePath,
    dispatch_contract: {
      executor: 'message.send',
      channel: 'telegram',
      target: '864811879',
      message: 'watchdog overdue',
    },
  }, null, 2)}\n`, 'utf8');

  return { fixtureRoot, queueDir, spoolDir, receiptDir, attemptDir };
}

function run(script, args = []) {
  const result = spawnSync(process.execPath, [script, ...args], {
    cwd: ROOT_DIR,
    encoding: 'utf8',
  });
  return {
    status: result.status,
    stdout: result.stdout ?? '',
    stderr: result.stderr ?? '',
  };
}

const tests = [];
function test(name, fn) { tests.push({ name, fn }); }
function printResult(prefix, name, detail = '') { process.stdout.write(`${prefix} ${name}${detail ? ` ${detail}` : ''}\n`); }

function scrub(value) {
  if (Array.isArray(value)) return value.map(scrub);
  if (!value || typeof value !== 'object') return value;

  const next = {};
  for (const [key, raw] of Object.entries(value)) {
    if (typeof raw === 'string') {
      if (key.toLowerCase().includes('path') || key.toLowerCase().endsWith('dir')) {
        next[key] = '<path>';
        continue;
      }
      if (key === 'notificationId' || key === 'notification_id') {
        next[key] = '<notification-id>';
        continue;
      }
      if (key === 'created_at' || key === 'now') {
        next[key] = '<iso>';
        continue;
      }
    }
    next[key] = scrub(raw);
  }
  return next;
}

function normalizeStdout(stdout) {
  return scrub(JSON.parse(stdout));
}

function buildArgs(fixture) {
  return [
    '--queue-dir', fixture.queueDir,
    '--spool-dir', fixture.spoolDir,
    '--receipt-dir', fixture.receiptDir,
    '--dispatcher-script', path.join(ROOT_DIR, 'scripts', 'operator_notify_dispatcher.mjs'),
    '--sender-command', `${JSON.stringify(process.execPath)} ${JSON.stringify(path.join(ROOT_DIR, 'scripts', 'operator_notify_sender_binding.mjs'))} --mode shim --attempt-dir ${JSON.stringify(fixture.attemptDir)} --compact`,
    '--now', '2026-05-07T10:02:00.000Z',
    '--compact',
  ];
}

test('repo-root shim forwards help text and exits like package entrypoint', () => {
  const shim = run(REPO_SHIM, ['--help']);
  const pkg = run(PACKAGE_ENTRY, ['--help']);
  assert.equal(shim.status, 0);
  assert.equal(pkg.status, 0);
  assert.equal(shim.stderr, '');
  assert.equal(pkg.stderr, '');
  assert.equal(shim.stdout, pkg.stdout);
});

test('repo-root shim forwards args and preserves success payload semantics', () => {
  const shimFixture = createFixture();
  const pkgFixture = createFixture();
  try {
    const shim = run(REPO_SHIM, buildArgs(shimFixture));
    const pkg = run(PACKAGE_ENTRY, buildArgs(pkgFixture));
    assert.equal(shim.status, 0, shim.stderr);
    assert.equal(pkg.status, 0, pkg.stderr);
    assert.deepEqual(normalizeStdout(shim.stdout), normalizeStdout(pkg.stdout));
  } finally {
    rmSync(shimFixture.fixtureRoot, { recursive: true, force: true });
    rmSync(pkgFixture.fixtureRoot, { recursive: true, force: true });
  }
});

test('repo-root shim preserves non-zero exit semantics from package core', () => {
  const shim = run(REPO_SHIM, ['--now', 'not-an-iso']);
  const pkg = run(PACKAGE_ENTRY, ['--now', 'not-an-iso']);
  assert.equal(shim.status, 1);
  assert.equal(pkg.status, 1);
  assert.equal(shim.stdout, '');
  assert.equal(pkg.stdout, '');
  assert.equal(shim.stderr, pkg.stderr);
});

let failures = 0;
for (const { name, fn } of tests) {
  try {
    fn();
    printResult('ok', name);
  } catch (error) {
    failures += 1;
    printResult('not ok', name, `- ${error instanceof Error ? error.message : String(error)}`);
  }
}

if (failures > 0) {
  process.exit(1);
}