/**
 * Install test/fixtures/fake-impeccable.ts as an executable `impeccable` in a
 * fresh temp dir OUTSIDE any repo (the wrapper refuses an in-repo IMPECCABLE_BIN
 * by design). Shared by the unit and E2E suites so the shim is set up one way.
 */
import * as fs from 'fs';
import * as os from 'os';
import * as path from 'path';

export const IMPECCABLE_FAKE_SRC = path.join(import.meta.dir, '..', 'fixtures', 'fake-impeccable.ts');
export const DETECT_SAMPLE = path.join(import.meta.dir, '..', 'fixtures', 'impeccable-detect-sample.json');

export function installFakeImpeccable(prefix = 'gstack-fake-impeccable-'): { dir: string; bin: string } {
  const dir = fs.mkdtempSync(path.join(os.tmpdir(), prefix));
  const bin = path.join(dir, 'impeccable');
  fs.copyFileSync(IMPECCABLE_FAKE_SRC, bin);
  fs.chmodSync(bin, 0o755);
  fs.copyFileSync(DETECT_SAMPLE, path.join(dir, 'impeccable-detect-sample.json')); // the shim's documented default output, beside it
  return { dir, bin };
}

/** Sample rule ids the design checklist never names: a review can carry them only from the detector's rows. */
export function detectorOnlyRuleIds(checklist: string): string[] {
  const rules = JSON.parse(fs.readFileSync(DETECT_SAMPLE, 'utf-8')) as Array<{ antipattern: string }>;
  return [...new Set(rules.map(rule => rule.antipattern))].filter(id => !checklist.includes(id));
}

export function carriesDetectorRows(review: string, checklist: string): boolean {
  const text = review.toLowerCase();
  return detectorOnlyRuleIds(checklist).some(id => new RegExp(`(?<![\\w-])${id}(?![\\w-])`).test(text));
}