# frozen_string_literal: true

require 'rails_helper'
require_relative '../support/assign_allowed_group'

describe TopicsBulkAction do
  fab!(:post) { Fabricate(:post) }
  fab!(:post1) { Fabricate(:post) }
  fab!(:post2) { Fabricate(:post) }

  before do
    SiteSetting.assign_enabled = true
  end

  let(:user) { Fabricate(:user) }
  let(:user2) { Fabricate(:user) }

  include_context 'A group that is allowed to assign'

  before do
    add_to_assign_allowed_group(user)
  end

  describe "assign_topics" do
    it "assigns multiple topics to user" do
      TopicsBulkAction.new(user, [post.topic.id, post1.topic.id], { type: 'assign', username: user.username }).perform!

      assigned_topics = TopicQuery.new(user, { page: 0 }).list_messages_assigned(user).topics

      expect(assigned_topics.length).to eq(2)

      expect(assigned_topics).to contain_exactly(post.topic, post1.topic)
    end

    it "doesn't allows to assign to user not in assign_allowed_group" do
      TopicsBulkAction.new(user, [post.topic.id, post1.topic.id], { type: 'assign', username: user2.username }).perform!

      assigned_topics = TopicQuery.new(user, { page: 0 }).list_messages_assigned(user2).topics

      expect(assigned_topics.length).to eq(0)
    end

    it "user who is not in assign_allowed_group can't assign topics" do
      TopicsBulkAction.new(user2, [post.topic.id, post1.topic.id, post2.topic.id], { type: 'assign', username: user.username }).perform!

      assigned_topics = TopicQuery.new(user, { page: 0 }).list_messages_assigned(user).topics

      expect(assigned_topics.length).to eq(0)
    end
  end

  describe "unassign_topics" do
    it "unassigns multiple topics assigned to user" do
      TopicsBulkAction.new(user, [post.topic.id, post1.topic.id, post2.topic.id], { type: 'assign', username: user.username }).perform!

      TopicsBulkAction.new(user, [post.topic.id, post1.topic.id], type: 'unassign').perform!

      assigned_topics = TopicQuery.new(user, { page: 0 }).list_messages_assigned(user).topics

      expect(assigned_topics.length).to eq(1)

      expect(assigned_topics).to contain_exactly(post2.topic)
    end

    it "user who is not in assign_allowed_group can't unassign topics" do
      TopicsBulkAction.new(user, [post.topic.id, post1.topic.id, post2.topic.id], { type: 'assign', username: user.username }).perform!

      TopicsBulkAction.new(user2, [post.topic.id, post1.topic.id], type: 'unassign').perform!

      assigned_topics = TopicQuery.new(user, { page: 0 }).list_messages_assigned(user).topics

      expect(assigned_topics.length).to eq(3)

      expect(assigned_topics).to contain_exactly(post.topic, post1.topic, post2.topic)
    end

  end
end