import { mochaRun } from '../../../util/helpers.js';
import { EPSILON } from '../../../util/constants.js';
import { ForumTest } from '../forum.test-util.js';

describe('Forum', function tests() {
  this.timeout(0);

  const forumTest = new ForumTest();

  before(async () => {
    await forumTest.setup();
  });

  context('Negatively citing a zero-valued post', async () => {
    let forum;
    let experts;
    let posts;

    before(() => {
      forum = forumTest.forum;
      experts = forumTest.experts;
      posts = forumTest.posts;
    });

    it('Post1: Work SC prototype', async () => {
      await forumTest.addPost(experts[0], 0);
      forum.getPost(posts[0]).value.should.equal(0);
    });

    it('Post2: Work SC improvement', async () => {
      await forumTest.addPost(experts[0], 0, [
        { postId: posts[0], weight: 0.9 },
      ]);
      forum.getPost(posts[0]).value.should.equal(0);
      forum.getPost(posts[1]).value.should.equal(0);
    });

    it('Post3: Work SC improvement', async () => {
      await forumTest.addPost(experts[0], 0, [
        { postId: posts[1], weight: 0.8 },
      ]);
      forum.getPost(posts[0]).value.should.equal(0);
      forum.getPost(posts[1]).value.should.equal(0);
      forum.getPost(posts[2]).value.should.equal(0);
    });

    it('Post4: Work evidence using latest work SC', async () => {
      await forumTest.addPost(experts[0], 100, [
        { postId: posts[2], weight: 0.05 },
      ]);
      forum.getPost(posts[0]).value.should.equal(3.6);
      forum.getPost(posts[1]).value.should.be.within(0.40 - EPSILON, 0.40 + EPSILON);
      forum.getPost(posts[2]).value.should.equal(1);
      forum.getPost(posts[3]).value.should.equal(95);
    });

    it('Post5: Work evidence using latest work SC', async () => {
      await forumTest.addPost(experts[0], 100, [
        { postId: posts[2], weight: 0.05 },
      ]);
      forum.getPost(posts[0]).value.should.equal(7.2);
      forum.getPost(posts[1]).value.should.be.within(0.80 - EPSILON, 0.80 + EPSILON);
      forum.getPost(posts[2]).value.should.equal(2);
      forum.getPost(posts[3]).value.should.equal(95);
      forum.getPost(posts[4]).value.should.equal(95);
    });
  });
});

mochaRun();