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

import { canAppendRouteRule, normalizeRouteRules } from '../../dist/shared/routingRules.js';

test('local route rules normalize URLs, suffixes and duplicates', () => {
  assert.deepEqual(normalizeRouteRules([
    { type: 'domain', value: 'https://Example.com/news?id=1', outbound: 'vpn' },
    { type: 'domain_suffix', value: '*.Example.org', outbound: 'direct' },
    { type: 'domain_keyword', value: '  CDN  ', outbound: 'vpn' },
    { type: 'domain', value: 'example.com', outbound: 'direct' },
    { type: 'domain_suffix', value: '.ru', enabled: false, outbound: 'direct' },
  ], { strict: true }), [
    { type: 'domain', value: 'example.com', enabled: true, outbound: 'vpn' },
    { type: 'domain_suffix', value: 'example.org', enabled: true, outbound: 'direct' },
    { type: 'domain_keyword', value: 'cdn', enabled: true, outbound: 'vpn' },
    { type: 'domain_suffix', value: 'ru', enabled: false, outbound: 'direct' },
  ]);
  assert.equal(canAppendRouteRule([{ value: 'filled' }]), true);
  assert.equal(canAppendRouteRule([{ value: '' }]), false);
});

test('invalid local route rules fail at the strict boundary', () => {
  assert.throws(
    () => normalizeRouteRules([{ type: 'domain_regex', value: '.*', outbound: 'direct' }], { strict: true }),
    /Invalid domain rule type/,
  );
  assert.throws(
    () => normalizeRouteRules([{ type: 'domain_keyword', value: 'bad/path', outbound: 'direct' }], { strict: true }),
    /Invalid domain rule value/,
  );
  assert.throws(
    () => normalizeRouteRules([{ type: 'domain', value: 'example.com' }], { strict: true }),
    /outbound is required/,
  );
  assert.throws(
    () => normalizeRouteRules([{ type: 'domain', value: 'example.com', outbound: 'block' }], { strict: true }),
    /Invalid route rule outbound/,
  );
});

test('legacy rules default to direct while order and first duplicate stay canonical', () => {
  assert.deepEqual(normalizeRouteRules([
    { type: 'domain_suffix', value: 'example.com' },
    { type: 'domain', value: 'api.example.com', outbound: 'vpn' },
    { type: 'domain_suffix', value: 'example.com', outbound: 'vpn' },
  ]), [
    { type: 'domain_suffix', value: 'example.com', enabled: true, outbound: 'direct' },
    { type: 'domain', value: 'api.example.com', enabled: true, outbound: 'vpn' },
  ]);
});