require 'rails_helper'

RSpec.describe Post, type: :model do
  describe 'scopes' do
    context '#by_user_follows' do
      it 'returns only posts from user follows ' do
        followed_user = create(:user)
        not_followed_user = create(:user)

        post1 = create(:post, user: followed_user)
        post2 = create(:post, user: followed_user)
        create(:post, user: not_followed_user)

        following_user = create(:user)
        create(
          :user_follow,
          follower_id: following_user.id,
          followed_id: followed_user.id
        )

        expect(Post.by_user_follows(following_user)).to eq([
          post1,
          post2
        ])
      end
    end
  end

  describe '#kind' do
    context 'when post have other post reference and a content' do
      it 'returns :quoted_post' do
        quoted_post = create(:post)
        post = build(:post, quoted_post: quoted_post)

        expect(post.kind).to eq(:quoted_post)
      end
    end

    context 'when post have other post reference and dont have a content' do
      it 'returns :repost' do
        quoted_post = create(:post)
        post = build(:post, quoted_post: quoted_post, content: nil)

        expect(post.kind).to eq(:repost)
      end
    end

    context 'when post dont have other post reference and have a content' do
      it 'returns :post' do
        post = build(:post)

        expect(post.kind).to eq(:post)
      end
    end
  end

  describe '#limit_of_post_per_day' do
    context 'when user tries to post more than 5 times in a day' do
      it 'returns error' do
        user = create(:user)

        5.times do
          create(:post, user: user)
        end

        expect(build(:post, user: user).valid?).to be_falsey
      end
    end

    context 'when the user has not yet reached their publication limit' do
      it 'does not returns error' do
        user = create(:user)

        4.times do
          create(:post, user: user)
        end

        expect(build(:post, user: user).valid?).to be_truthy
      end
    end
  end
end