# frozen_string_literal: true

require 'rails_helper'

describe TopicViewSerializer do
  let(:user) { Fabricate(:user) }
  let(:category) { Fabricate(:category) }
  let(:topic) { Fabricate(:topic, category_id: category.id) }
  let(:topic_view) { TopicView.new(topic, user) }
  let(:guardian) { Guardian.new(user) }

  describe 'can_topic_vote' do
    it 'returns nil when voting disabled' do
      SiteSetting.voting_enabled = false
      DiscourseTopicVoting::CategorySetting.create!(category: category)

      json = TopicViewSerializer.new(topic_view, scope: guardian, root: false).as_json

      expect(json[:can_topic_vote]).to eq(nil)
    end

    it 'returns false when topic not in category' do
      SiteSetting.voting_enabled = true

      json = TopicViewSerializer.new(topic_view, scope: guardian, root: false).as_json

      expect(json[:can_topic_vote]).to eq(false)
    end

    it 'returns false when voting disabled and topic not in category' do
      json = TopicViewSerializer.new(topic_view, scope: guardian, root: false).as_json

      expect(json[:can_topic_vote]).to eq(false)
    end

    it 'returns true when voting enabled and topic in category' do
      SiteSetting.voting_enabled = true
      DiscourseTopicVoting::CategorySetting.create!(category: category)

      json = TopicViewSerializer.new(topic_view, scope: guardian, root: false).as_json

      expect(json[:can_topic_vote]).to eq(true)
    end
  end

  describe 'topic_vote_count' do
    it 'returns the topic vote counts' do
      Fabricate(:topic_voting_vote_count, topic: topic, votes_count: 3)
      json = TopicViewSerializer.new(topic_view, scope: guardian, root: false).as_json

      expect(json[:topic_vote_count]).to eq(3)
    end
  end

  describe 'user_topic_voted' do
    it 'returns true if the user has voted on the topic' do
      json = TopicViewSerializer.new(topic_view, scope: guardian, root: false).as_json

      expect(json[:user_topic_voted]).to eq(false)

      Fabricate(:topic_voting_votes, topic: topic, user: user)
      json = TopicViewSerializer.new(topic_view, scope: guardian, root: false).as_json

      expect(json[:user_topic_voted]).to eq(false)
    end
  end
end