# frozen_string_literal: true

require 'spec_helper'

describe Admin::ApplicationSettingsController do
  include StubENV

  let(:group) { create(:group) }
  let(:project) { create(:project, namespace: group) }
  let(:admin) { create(:admin) }
  let(:user) { create(:user)}

  before do
    stub_env('IN_MEMORY_APPLICATION_SETTINGS', 'false')
  end

  describe 'GET #usage_data with no access' do
    before do
      sign_in(user)
    end

    it 'returns 404' do
      get :usage_data, format: :html

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

  describe 'GET #usage_data' do
    before do
      sign_in(admin)
    end

    it 'returns HTML data' do
      get :usage_data, format: :html

      expect(response.body).to start_with('<span')
      expect(response.status).to eq(200)
    end

    it 'returns JSON data' do
      get :usage_data, format: :json

      body = JSON.parse(response.body)
      expect(body["version"]).to eq(Gitlab::VERSION)
      expect(body).to include('counts')
      expect(response.status).to eq(200)
    end
  end

  describe 'PUT #update' do
    before do
      sign_in(admin)
    end

    it 'updates the password_authentication_enabled_for_git setting' do
      put :update, params: { application_setting: { password_authentication_enabled_for_git: "0" } }

      expect(response).to redirect_to(admin_application_settings_path)
      expect(ApplicationSetting.current.password_authentication_enabled_for_git).to eq(false)
    end

    it 'updates the default_project_visibility for string value' do
      put :update, params: { application_setting: { default_project_visibility: "20" } }

      expect(response).to redirect_to(admin_application_settings_path)
      expect(ApplicationSetting.current.default_project_visibility).to eq(Gitlab::VisibilityLevel::PUBLIC)
    end

    it 'update the restricted levels for string values' do
      put :update, params: { application_setting: { restricted_visibility_levels: %w[10 20] } }

      expect(response).to redirect_to(admin_application_settings_path)
      expect(ApplicationSetting.current.restricted_visibility_levels).to eq([10, 20])
    end

    it 'updates the restricted_visibility_levels when empty array is passed' do
      put :update, params: { application_setting: { restricted_visibility_levels: [""] } }

      expect(response).to redirect_to(admin_application_settings_path)
      expect(ApplicationSetting.current.restricted_visibility_levels).to be_empty
    end

    it 'updates the receive_max_input_size setting' do
      put :update, params: { application_setting: { receive_max_input_size: "1024" } }

      expect(response).to redirect_to(admin_application_settings_path)
      expect(ApplicationSetting.current.receive_max_input_size).to eq(1024)
    end

    it 'updates the default_project_creation for string value' do
      put :update, params: { application_setting: { default_project_creation: ::Gitlab::Access::MAINTAINER_PROJECT_ACCESS } }

      expect(response).to redirect_to(admin_application_settings_path)
      expect(ApplicationSetting.current.default_project_creation).to eq(::Gitlab::Access::MAINTAINER_PROJECT_ACCESS)
    end

    context 'external policy classification settings' do
      let(:settings) do
        {
          external_authorization_service_enabled: true,
          external_authorization_service_url: 'https://custom.service/',
          external_authorization_service_default_label: 'default',
          external_authorization_service_timeout: 3,
          external_auth_client_cert: File.read('spec/fixtures/passphrase_x509_certificate.crt'),
          external_auth_client_key: File.read('spec/fixtures/passphrase_x509_certificate_pk.key'),
          external_auth_client_key_pass: "5iveL!fe"
        }
      end

      it 'updates settings when the feature is available' do
        put :update, params: { application_setting: settings }

        settings.each do |attribute, value|
          expect(ApplicationSetting.current.public_send(attribute)).to eq(value)
        end
      end
    end

    describe 'verify panel actions' do
      shared_examples 'renders correct panels' do
        it 'renders correct action on error' do
          expect_next_instance_of(ApplicationSettings::UpdateService) do |service|
            allow(service).to receive(:execute).and_return(false)
          end

          patch action, params: { application_setting: { unused_param: true } }

          expect(subject).to render_template(action)
        end

        it 'redirects to same panel on success' do
          expect_next_instance_of(ApplicationSettings::UpdateService) do |service|
            allow(service).to receive(:execute).and_return(true)
          end

          referer_path = public_send("#{action}_admin_application_settings_path")
          request.env["HTTP_REFERER"] = referer_path

          patch action, params: { application_setting: { unused_param: true } }

          expect(subject).to redirect_to(referer_path)
        end
      end

      (Admin::ApplicationSettingsController::VALID_SETTING_PANELS - %w(show templates geo)).each do |valid_action|
        it_behaves_like 'renders correct panels' do
          let(:action) { valid_action }
        end
      end
    end
  end

  describe 'PUT #reset_registration_token' do
    before do
      sign_in(admin)
    end

    subject { put :reset_registration_token }

    it 'resets runner registration token' do
      expect { subject }.to change { ApplicationSetting.current.runners_registration_token }
    end

    it 'redirects the user to admin runners page' do
      subject

      expect(response).to redirect_to(admin_runners_path)
    end
  end
end
