import test from 'node:test';
import assert from 'node:assert/strict';
import { mkdtempSync, rmSync, writeFileSync, readFileSync } from 'node:fs';
import { tmpdir } from 'node:os';
import { join } from 'node:path';
import { execFileSync } from 'node:child_process';
import { fixture, git } from './spec-fixtures.mjs';

test('current citation is recorded; docs commits do not stale it and a new spec never reopens settlement', async t => {
  const f = await fixture(t);
  const d = await f.raise({ project: 'stack', spec_path: 'spec/north-star.md', spec_commit: f.commit });
  const stored = f.store.get('SELECT spec_path,spec_commit FROM decisions WHERE id=?', d.id);
  assert.equal(stored.spec_path, 'spec/north-star.md'); assert.equal(stored.spec_commit, f.commit);
  f.call(f.human, 'decision.resolve', { id: d.id, choice: 'yes' });
  await f.call(f.coder, 'record.write', { project: 'stack', path: 'docs/design.md', record: '# Design\n' });
  await f.raise({ project: 'stack', spec_path: 'spec/north-star.md', spec_commit: f.commit });
  f.save('# Updated\n');
  assert.equal(f.store.get('SELECT op FROM decision_events WHERE decision=? ORDER BY seq DESC', d.id).op, 'resolved');
  assert.equal(f.store.get('SELECT spec_commit FROM decisions WHERE id=?', d.id).spec_commit, f.commit);
  assert.throws(() => f.call(f.human, 'decision.resolve', { id: d.id, choice: 'no' }), /decision-closed/);
});

test('stale, unconfirmed, missing and partial spec citations refuse without inserting a decision', async t => {
  const f = await fixture(t), citation = { project: 'stack', spec_path: 'spec/north-star.md', spec_commit: f.commit };
  const current = f.save('# Current\n');
  await assert.rejects(f.raise(citation), { code: 'stale-spec' });
  f.save('# Agent\n', 'coder.coder');
  await assert.rejects(f.raise({ ...citation, spec_commit: git(f.repo, 'rev-parse', 'HEAD') }), { code: 'spec-unconfirmed' });
  for (const args of [{ project: 'stack', spec_path: citation.spec_path }, { project: 'stack', spec_commit: current },
    { spec_path: citation.spec_path, spec_commit: current }, { ...citation, spec_path: 'docs/design.md' }])
    await assert.rejects(f.raise(args), { code: 'invalid-spec-citation' });
  git(f.repo, 'rm', '--', 'spec/north-star.md');
  git(f.repo, '-c', 'user.name=jason', '-c', 'user.email=jason@mosaic.invalid', 'commit', '-m', 'Missing');
  await assert.rejects(f.raise(citation), { code: 'project-read-missing' });
  assert.equal(f.store.get('SELECT count(*) n FROM decisions').n, 0);
});

test('uncited raises retain their synchronous path and spec read is available to any held role in its business', async t => {
  const f = await fixture(t);
  const d = f.raise({});
  assert.equal(typeof d.then, 'undefined');
  assert.equal(f.store.get('SELECT spec_commit FROM decisions WHERE id=?', d.id).spec_commit, null);
  const spec = await f.call(f.reviewer, 'spec.read', { project: 'stack', commit: f.commit });
  assert.equal(spec.commit, f.commit); assert.equal(spec.confirmed, true);
  assert.equal(spec.content, readFileSync(join(f.repo, 'spec/north-star.md'), 'utf8'));
  await assert.rejects(f.call(f.reviewer, 'spec.read', { project: 'other' }), { code: 'project-not-declared' });
  await assert.rejects(f.call(f.reviewer, 'spec.read', { project: 'stack', business: 'other' }), { code: 'invalid-request' });
  await assert.rejects(f.call(f.human, 'spec.read', { project: 'stack' }), { code: 'agent-required' });
});

test('record writes bind the session author, require authority and refuse spec and impersonation paths', async t => {
  const f = await fixture(t);
  const written = await f.call(f.coder, 'record.write', { project: 'stack', path: 'docs/result.md', record: '# Result\n' });
  assert.equal(git(f.repo, 'show', '-s', '--format=%an', written.commit), 'coder.coder');
  assert.equal(git(f.repo, 'show', '--format=', '--name-only', written.commit), 'docs/result.md');
  await assert.rejects(f.call(f.coder, 'record.write', { project: 'stack', path: 'spec/north-star.md', record: '# Bad' }), { code: 'project-spec-human-only' });
  await assert.rejects(f.call(f.coder, 'record.write', { project: 'stack', path: 'docs/x.md', record: '# Bad', author: { definition: 'human', instance: 'jason' } }), { code: 'invalid-request' });
  await assert.rejects(f.call(f.reviewer, 'record.write', { project: 'stack', path: 'docs/x.md', record: '# Bad' }), { code: 'decision-required' });
  const event = f.store.all("SELECT body FROM events WHERE kind='action.allowed'").map(r => JSON.parse(r.body)).find(r => r.action === 'record.write');
  assert.equal(event.commit, written.commit); assert.equal(event.path, 'docs/result.md');
});