import test from 'node:test';
import assert from 'node:assert/strict';
import { readFileSync, writeFileSync, existsSync } from 'node:fs';
import { join } from 'node:path';
import { spawnSync } from 'node:child_process';
import { main, run } from '../src/cli.mjs';
import { fixture, humanEnv, io, tmp } from './helpers.mjs';
import { writeJson } from '../../business/tests/helpers.mjs';

test('project init/check use declared business repo and never contact the bus', async t => {
  const root = tmp(t), f = fixture(root);
  f.doc.projects.stack.repo = join(root, 'records');
  writeJson(join(root, 'config/businesses/acme.json'), f.doc);
  const x = io(humanEnv(f.env));
  const deps = { transport: () => assert.fail('local project command contacted bus') };
  await main(['project', 'init', 'acme', 'stack'], x, deps);
  assert.ok(existsSync(join(root, 'records/spec/north-star.md')));
  const checked = io(humanEnv(f.env));
  assert.equal(await run(['project', 'check', 'acme', 'stack'], checked, deps), 0);
  assert.match(checked.out.text, /valid|checked/);
  writeFileSync(join(root, 'records/unknown'), 'bad');
  const bad = io(humanEnv(f.env));
  assert.equal(await run(['project', 'check', 'acme', 'stack'], bad, deps), 2);
  assert.match(bad.err.text, /unknown/);
});

test('project commands validate args and refuse undeclared projects and agent init', async t => {
  const root = tmp(t), f = fixture(root);
  await assert.rejects(main(['project', 'init', 'acme', 'missing'], io(humanEnv(f.env)), {}), /declare/);
  await assert.rejects(main(['project', 'init', 'acme', 'stack'], io({ ...f.env, CODEX_THREAD_ID: 'fixture-agent' }), {}), /agent/i);
  for (const args of [[], ['other', 'acme', 'stack'], ['init', 'acme'], ['check', 'acme', 'stack', '--write']])
    assert.equal(await run(['project', ...args], io(humanEnv(f.env)), {}), 4);
});

// Row 128 (#1622): create and list are bus verbs; they take their own arguments, and init and
// check keep theirs (a name for create is not the init/check <business> <project> pair).
test('project create and list validate their arguments before any bus call', async t => {
  const root = tmp(t), f = fixture(root);
  const deps = { transport: () => assert.fail('a usage error reached the bus') };
  for (const args of [['create'], ['create', 'a', 'b'], ['create', 'a', '--repo'], ['create', 'a', '--repo', 'x', '--repo', 'y'], ['create', 'a', '--write'], ['list', 'extra'], ['list', '--repo', 'x']]) {
    const x = io(humanEnv(f.env));
    // --business is given, so only the arity check can produce the exit 4 (callFor would too, without it).
    assert.equal(await run(['project', ...args, '--business', 'acme'], x, deps), 4, args.join(' '));
    assert.match(x.err.text, /mosaic project create <name>/);
  }
  const listed = [];
  const managementReads = [], transport = () => async verb => verb === 'plugins' ? (managementReads.push(verb), { business: 'acme', revision: 'a'.repeat(64), plugins: { channel: ['cli', 'webui'] } }) : (listed.push(verb), []);
  const x = io(humanEnv(f.env));
  assert.equal(await run(['project', 'list', '--business', 'acme'], x, { transport }), 0);
  assert.deepEqual(listed, ['project.list']);
  assert.equal(x.out.text, 'no projects\n');
  assert.deepEqual(managementReads, ['plugins']);
});

test('project dispatcher reaches the human CLI', async t => {
  const root = tmp(t), f = fixture(root);
  const result = spawnSync(new URL('../../../scripts/mosaic', import.meta.url).pathname, ['project'], {
    encoding: 'utf8', env: humanEnv(f.env),
  });
  assert.equal(result.status, 4);
  assert.match(result.stderr, /mosaic project/);
});