#!/usr/bin/env bun
// Smoke test of the npm bundle (dist/storebound.mjs) with the real `node` binary: the CLI must run on Node 20+.
//   bun tools/node-smoke.ts [--bundle dist/storebound.mjs] [--node <path>]
// Offline only: --version, help, check on examples/demo-game (same exit code and problems as under Bun), scan on the
// teaser fixture, release plan --help, init + check in an empty folder (the TypeScript config the template writes),
// and an MCP initialize handshake over stdio with tools/list and one tools/call (a child run through the bundle).
// Every step has a timeout; on a failure the step's output is printed.
import { mkdtempSync, readFileSync, rmSync } from 'node:fs';
import { tmpdir } from 'node:os';
import { join, resolve } from 'node:path';
import { ROOT } from './build-sidecars';
import { NODE_BUNDLE } from './build-node';

const arg = (n: string) => { const i = process.argv.indexOf(n); return i >= 0 ? process.argv[i + 1] : undefined; };
const bundle = resolve(arg('--bundle') ?? NODE_BUNDLE);
const node = arg('--node') ?? Bun.which('node');
if (!node) { console.error('node-smoke: no `node` on PATH'); process.exit(1); }
const pkg = JSON.parse(readFileSync(join(ROOT, 'package.json'), 'utf8')) as { version: string; engines?: { node?: string } };
const env: Record<string, string | undefined> = { ...process.env, NO_COLOR: '1', FORCE_COLOR: '0', STOREBOUND_NO_UPDATE_CHECK: '1' };

interface Out { code: number | null; out: string; err: string }
function run(cmd: string[], cwd = ROOT, stdin?: string, timeout = 60_000): Out {
  const r = Bun.spawnSync(cmd, { cwd, env, stdout: 'pipe', stderr: 'pipe', timeout, ...(stdin !== undefined ? { stdin: new TextEncoder().encode(stdin) } : {}) });
  return { code: r.exitCode, out: r.stdout.toString(), err: r.stderr.toString() };
}
const sb = (args: string[], cwd = ROOT, stdin?: string) => run([node, bundle, ...args], cwd, stdin);

let failed = 0;
function step(name: string, f: () => string | void): void {
  const t = Date.now();
  try {
    const note = f();
    console.log(`ok   ${name}${note ? `: ${note}` : ''} (${Date.now() - t} ms)`);
  } catch (e) {
    failed++;
    console.log(`FAIL ${name}: ${(e as Error).message}`);
  }
}
function expectOk(r: Out, what: string, code = 0): void {
  if (r.code !== code) throw new Error(`${what}: exit ${r.code} (want ${code})\n--- stdout\n${r.out.slice(-2000)}\n--- stderr\n${r.err.slice(-2000)}`);
}
/** Output without timestamps and absolute paths, to compare a Node and a Bun run. */
const norm = (s: string) => s.replace(/^\d\d:\d\d:\d\d /gm, '').replace(/\/\S*\/storebound\.config\.ts/g, '<config>').trim();

const nodeVersion = run([node, '--version']).out.trim();
console.log(`node-smoke: ${bundle.replace(ROOT + '/', '')} with node ${nodeVersion} (package engines: node ${pkg.engines?.node ?? '?'})`);

step('--version', () => {
  const r = sb(['--version']);
  expectOk(r, '--version');
  if (r.out.trim() !== pkg.version) throw new Error(`printed ${JSON.stringify(r.out.trim())}, package.json says ${pkg.version}`);
  return r.out.trim();
});

step('help', () => {
  const r = sb(['help']);
  expectOk(r, 'help');
  if (!r.out.includes('usage: storebound <command>')) throw new Error('no usage line');
  return `${r.out.split('\n').length} lines`;
});

step('check (examples/demo-game, same result as Bun)', () => {
  const cwd = join(ROOT, 'examples/demo-game');
  const n = sb(['check'], cwd);
  const b = run(['bun', join(ROOT, 'cli/index.ts'), 'check'], cwd);
  if (n.code !== b.code) throw new Error(`node exit ${n.code}, bun exit ${b.code}\n${n.out}\n${n.err}`);
  if (norm(n.out + n.err) !== norm(b.out + b.err)) throw new Error(`output differs from Bun's\n--- node\n${norm(n.out + n.err)}\n--- bun\n${norm(b.out + b.err)}`);
  return `exit ${n.code}, ${(n.out + n.err).match(/error: .*/)?.[0] ?? 'no problems'}`;
});

step('scan (tests/fixtures/scan/teaser)', () => {
  const cwd = join(ROOT, 'tests/fixtures/scan/teaser');
  const r = sb(['scan', '--json'], cwd);
  const b = run(['bun', join(ROOT, 'cli/index.ts'), 'scan', '--json'], cwd);
  if (r.code !== b.code) throw new Error(`node exit ${r.code}, bun exit ${b.code}\n${r.err}`);
  const j = JSON.parse(r.out) as { findings?: unknown[] };
  if (JSON.stringify(j) !== JSON.stringify(JSON.parse(b.out))) throw new Error('scan --json differs from Bun\'s');
  return `exit ${r.code}, ${Array.isArray(j.findings) ? `${j.findings.length} findings` : 'json ok'}`;
});

step('release plan --help', () => {
  const r = sb(['release', 'plan', '--help']);
  expectOk(r, 'release plan --help');
  if (!/storebound release/.test(r.out + r.err)) throw new Error('no usage');
});

step('init + inspect in an empty folder (TypeScript config)', () => {
  const dir = mkdtempSync(join(tmpdir(), 'sb-node-init-'));
  try {
    const i = sb(['init'], dir);
    expectOk(i, 'init');
    if (!readFileSync(join(dir, 'storebound.config.ts'), 'utf8').includes('ShipConfig')) throw new Error('no storebound.config.ts written');
    const c = sb(['inspect', '--json'], dir);
    expectOk(c, 'inspect --json after init');
    return `config loads: ${(JSON.parse(c.out) as { name?: string }).name}`;
  } finally { rmSync(dir, { recursive: true, force: true }); }
});

step('mcp: initialize, tools/list, tools/call over stdio', () => {
  const lines = [
    { jsonrpc: '2.0', id: 1, method: 'initialize', params: { protocolVersion: '2025-11-25', capabilities: {}, clientInfo: { name: 'node-smoke', version: '1' } } },
    { jsonrpc: '2.0', method: 'notifications/initialized' },
    { jsonrpc: '2.0', id: 2, method: 'tools/list' },
    { jsonrpc: '2.0', id: 3, method: 'tools/call', params: { name: 'check', arguments: {} } },
  ].map(m => JSON.stringify(m)).join('\n') + '\n';
  const prev = env.STOREBOUND_PROJECT;
  env.STOREBOUND_PROJECT = join(ROOT, 'examples/demo-game');
  let r: Out;
  try { r = sb(['mcp'], ROOT, lines); } finally { if (prev === undefined) delete env.STOREBOUND_PROJECT; else env.STOREBOUND_PROJECT = prev; }
  expectOk(r, 'mcp');
  const res = new Map(r.out.trim().split('\n').filter(Boolean).map(l => JSON.parse(l) as { id: number; result?: Record<string, unknown>; error?: unknown }).map(m => [m.id, m]));
  const init = res.get(1)?.result as { protocolVersion?: string; serverInfo?: { name: string; version: string } } | undefined;
  if (init?.serverInfo?.name !== 'storebound' || init.serverInfo.version !== pkg.version) throw new Error(`initialize: ${JSON.stringify(res.get(1))}`);
  const tools = (res.get(2)?.result as { tools?: unknown[] } | undefined)?.tools ?? [];
  if (tools.length < 10) throw new Error(`tools/list: ${tools.length} tools`);
  const call = res.get(3)?.result as { isError?: boolean; content?: { text: string }[] } | undefined;
  // demo-game's check reports 2 problems (exit 1): what counts is that the child ran through the bundle and loaded the config
  const text = call?.content?.[0]?.text ?? '';
  if (!/config ok/.test(text) || !/\[exit [01]\]/.test(text)) throw new Error(`tools/call check: ${JSON.stringify(res.get(3)).slice(0, 1500)}`);
  return `protocol ${init.protocolVersion}, ${tools.length} tools, check ran as a child of the bundle (${text.match(/\[exit \d+\]/)![0]})`;
});

if (failed) { console.error(`node-smoke: ${failed} step(s) failed`); process.exit(1); }
console.log('node-smoke: all steps passed');