# frozen_string_literal: true

RSpec.describe DiscourseAi::Summarization::SummaryController do
  describe "#show" do
    fab!(:user) { Fabricate(:user) }
    let!(:channel_group) { Fabricate(:group) }
    let!(:chat_channel) { Fabricate(:private_category_channel, group: channel_group) }

    before do
      SiteSetting.ai_summarization_enabled = true
      sign_in(user)
    end

    context "when summarizing a chat channel" do
      context "if the user can see the channel" do
        before { channel_group.add(user) }

        describe "validating inputs" do
          it "returns a 404 if there is no chat channel" do
            post "/discourse-ai/summarization/summary",
                 params: {
                   target_type: "chat_channel",
                   target_id: 99,
                   since: 3,
                 }

            expect(response.status).to eq(404)
          end

          it "returns a 400 if the since param is invalid" do
            post "/discourse-ai/summarization/summary",
                 params: {
                   target_type: "chat_channel",
                   target_id: chat_channel.id,
                   since: 0,
                 }

            expect(response.status).to eq(400)
          end

          it "returns a 404 when the module is disabled" do
            SiteSetting.ai_summarization_enabled = false

            post "/discourse-ai/summarization/summary",
                 params: {
                   target_type: "chat_channel",
                   target_id: chat_channel.id,
                   since: 1,
                 }

            expect(response.status).to eq(404)
          end
        end

        context "if the user can't see the channel" do
          before { channel_group.remove(user) }

          it "returns a 403 if the user can't see the chat channel" do
            post "/discourse-ai/summarization/summary",
                 params: {
                   target_type: "chat_channel",
                   target_id: chat_channel.id,
                   since: 1,
                 }

            expect(response.status).to eq(403)
          end
        end
      end
    end
  end
end