import assert from 'node:assert/strict';
import test from 'node:test';

import { loadScenarioCatalog } from './catalog.mjs';
import { CORE_SCENARIO_IDS, selectImpactScenarios } from './impact.mjs';

test('docs-only changes use the compact core gate', async () => {
  const catalog = await loadScenarioCatalog();
  const selection = selectImpactScenarios({
    catalog,
    changedPaths: ['AGENTS.md', 'docs/local-dev.md'],
  });
  assert.equal(selection.strategy, 'core');
  assert.deepEqual(selection.selected_ids, catalog
    .map((scenario) => scenario.id)
    .filter((id) => CORE_SCENARIO_IDS.includes(id)));
  assert.equal(selection.unmapped_paths.length, 0);
});

test('domain changes select the domain and dependency closure', async () => {
  const catalog = await loadScenarioCatalog();
  const selection = selectImpactScenarios({
    catalog,
    changedPaths: ['memory-v2-lifecycle.mjs'],
  });
  assert.equal(selection.strategy, 'impact');
  assert.deepEqual(selection.impact_groups, ['CHAT', 'MEM']);
  assert.equal(selection.selected_ids.includes('MEM-16'), true);
  assert.equal(selection.selected_ids.includes('CHAT-15'), true);
  assert.equal(selection.selected_ids.includes('BILL-07'), false);
});

test('critical and unmapped runtime paths fail closed to the full gate', async () => {
  const catalog = await loadScenarioCatalog();
  const critical = selectImpactScenarios({
    catalog,
    changedPaths: ['server.mjs'],
  });
  assert.equal(critical.strategy, 'full');
  assert.equal(critical.selected_total, catalog.length);
  assert.deepEqual(critical.full_gate_reasons, ['critical_path:server.mjs']);

  const unknown = selectImpactScenarios({
    catalog,
    changedPaths: ['new-runtime-kernel.mjs'],
  });
  assert.equal(unknown.strategy, 'full');
  assert.deepEqual(unknown.unmapped_paths, ['new-runtime-kernel.mjs']);
  assert.equal(unknown.selected_total, catalog.length);
});