# frozen_string_literal: true

require "spec_helper"

module Decidim
  module Comments
    describe CreateComment do
      describe "call" do
        let(:organization) { create(:organization) }
        let(:participatory_process) { create(:participatory_process, organization: organization) }
        let(:feature) { create(:feature, participatory_space: participatory_process) }
        let(:user) { create(:user, organization: organization) }
        let(:author) { create(:user, organization: organization) }
        let(:dummy_resource) { create :dummy_resource, feature: feature }
        let(:commentable) { dummy_resource }
        let(:body) { ::Faker::Lorem.paragraph }
        let(:alignment) { 1 }
        let(:user_group_id) { nil }
        let(:form_params) do
          {
            "comment" => {
              "body" => body,
              "alignment" => alignment,
              "user_group_id" => user_group_id
            }
          }
        end
        let(:form) do
          CommentForm.from_params(
            form_params
          )
        end
        let(:command) { described_class.new(form, author, commentable) }

        describe "when the form is not valid" do
          before do
            expect(form).to receive(:invalid?).and_return(true)
          end

          it "broadcasts invalid" do
            expect { command.call }.to broadcast(:invalid)
          end

          it "doesn't create a comment" do
            expect do
              command.call
            end.not_to change { Comment.count }
          end
        end

        describe "when the form is valid" do
          it "broadcasts ok" do
            expect { command.call }.to broadcast(:ok)
          end

          it "creates a new comment" do
            expect(Comment).to receive(:create!).with(
              author: author,
              commentable: commentable,
              root_commentable: commentable,
              body: body,
              alignment: alignment,
              decidim_user_group_id: user_group_id
            ).and_call_original

            expect do
              command.call
            end.to change { Comment.count }.by(1)
          end

          it "sends a notification to the corresponding users except the comment's author" do
            follower = create(:user, organization: organization)

            expect(commentable)
              .to receive(:users_to_notify_on_comment_created)
              .and_return([follower, author])

            expect_any_instance_of(Decidim::Comments::Comment)
              .to receive(:id).at_least(:once).and_return 1

            expect_any_instance_of(Decidim::Comments::Comment)
              .to receive(:root_commentable).at_least(:once).and_return commentable

            expect(Decidim::EventsManager)
              .to receive(:publish)
              .with(
                event: "decidim.events.comments.comment_created",
                event_class: Decidim::Comments::CommentCreatedEvent,
                resource: commentable,
                recipient_ids: [follower.id],
                extra: {
                  comment_id: 1
                }
              )

            command.call
          end
        end
      end
    end
  end
end