import { tap, expect } from '@push.rocks/tapbundle';
import * as lik from '../ts/index.js';

let testInterestmap: lik.InterestMap<number, number>;

tap.test('should create an interestmap', async () => {
  testInterestmap = new lik.InterestMap((numberArg) => {
    return numberArg.toString();
  });
});

tap.test('should create an interest', async () => {
  testInterestmap.addInterest(3);
  testInterestmap.addInterest(4);
});

tap.test('should return an already existing interest', async () => {
  const interest3a = await testInterestmap.addInterest(3);
  const interest3b = await testInterestmap.addInterest(3);
  expect(interest3a === interest3b).toBeTrue();
});

tap.test('should be able to inform about a lost interest', async () => {
  testInterestmap.informLostInterest(3);
});

tap.test('checkInterest returns true for existing', async () => {
  expect(testInterestmap.checkInterest(4)).toBeTrue();
});

tap.test('checkInterest returns false for non-existing', async () => {
  expect(testInterestmap.checkInterest(999)).toBeFalse();
});

tap.test('findInterest returns the interest', async () => {
  const interest = testInterestmap.findInterest(4);
  expect(interest).not.toBeNull();
  expect(interest.originalInterest).toEqual(4);
});

tap.test('findInterest returns null for non-existing', async () => {
  const interest = testInterestmap.findInterest(888);
  expect(interest).toBeNull();
});

tap.test('fullfillInterest resolves the promise', async () => {
  const im = new lik.InterestMap<string, string>((s) => s);
  const interest = await im.addInterest('hello');
  interest.fullfillInterest('world');
  const result = await interest.interestFullfilled;
  expect(result).toEqual('world');
  expect(interest.isFullfilled).toBeTrue();
  im.destroy();
});

tap.test('destroy cleans up interestmap', async () => {
  const im = new lik.InterestMap<string, string>((s) => s);
  await im.addInterest('a');
  await im.addInterest('b');
  im.destroy();
  expect(im.checkInterest('a')).toBeFalse();
  expect(im.checkInterest('b')).toBeFalse();
});

export default tap.start();