require "spec_helper"

describe API::Services, api: true  do
  include ApiHelpers

  let(:user) { create(:user) }
  let(:admin) { create(:admin) }
  let(:user2) { create(:user) }
  let(:project) { create(:empty_project, creator_id: user.id, namespace: user.namespace) }

  Service.available_services_names.each do |service|
    describe "PUT /projects/:id/services/#{service.dasherize}" do
      include_context service

      it "updates #{service} settings" do
        put api("/projects/#{project.id}/services/#{dashed_service}", user), service_attrs

        expect(response).to have_http_status(200)

        current_service = project.services.first
        event = current_service.event_names.empty? ? "foo" : current_service.event_names.first
        state = current_service[event] || false

        put api("/projects/#{project.id}/services/#{dashed_service}?#{event}=#{!state}", user), service_attrs

        expect(response).to have_http_status(200)
        expect(project.services.first[event]).not_to eq(state) unless event == "foo"
      end

      it "returns if required fields missing" do
        attrs = service_attrs

        required_attributes = service_attrs_list.select do |attr|
          service_klass.validators_on(attr).any? do |v|
            v.class == ActiveRecord::Validations::PresenceValidator
          end
        end

        if required_attributes.empty?
          expected_code = 200
        else
          attrs.delete(required_attributes.sample)
          expected_code = 400
        end

        put api("/projects/#{project.id}/services/#{dashed_service}", user), attrs

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

    describe "DELETE /projects/:id/services/#{service.dasherize}" do
      include_context service

      it "deletes #{service}" do
        delete api("/projects/#{project.id}/services/#{dashed_service}", user)

        expect(response).to have_http_status(204)
        project.send(service_method).reload
        expect(project.send(service_method).activated?).to be_falsey
      end
    end

    describe "GET /projects/:id/services/#{service.dasherize}" do
      include_context service

      # inject some properties into the service
      before do
        service_object = project.find_or_initialize_service(service)
        service_object.properties = service_attrs
        service_object.save
      end

      it 'returns authentication error when unauthenticated' do
        get api("/projects/#{project.id}/services/#{dashed_service}")
        expect(response).to have_http_status(401)
      end

      it "returns all properties of service #{service} when authenticated as admin" do
        get api("/projects/#{project.id}/services/#{dashed_service}", admin)

        expect(response).to have_http_status(200)
        expect(json_response['properties'].keys.map(&:to_sym)).to match_array(service_attrs_list.map)
      end

      it "returns properties of service #{service} other than passwords when authenticated as project owner" do
        get api("/projects/#{project.id}/services/#{dashed_service}", user)

        expect(response).to have_http_status(200)
        expect(json_response['properties'].keys.map(&:to_sym)).to match_array(service_attrs_list_without_passwords)
      end

      it "returns error when authenticated but not a project owner" do
        project.team << [user2, :developer]
        get api("/projects/#{project.id}/services/#{dashed_service}", user2)

        expect(response).to have_http_status(403)
      end
    end
  end

  describe 'POST /projects/:id/services/:slug/trigger' do
    let!(:project) { create(:empty_project) }

    describe 'Mattermost Service' do
      let(:service_name) { 'mattermost_slash_commands' }

      context 'no service is available' do
        it 'returns a not found message' do
          post api("/projects/#{project.id}/services/idonotexist/trigger")

          expect(response).to have_http_status(404)
          expect(json_response["error"]).to eq("404 Not Found")
        end
      end

      context 'the service exists' do
        let(:params) { { token: 'token' } }

        context 'the service is not active' do
          before do
            project.create_mattermost_slash_commands_service(
              active: false,
              properties: params
            )
          end

          it 'when the service is inactive' do
            post api("/projects/#{project.id}/services/#{service_name}/trigger"), params

            expect(response).to have_http_status(404)
          end
        end

        context 'the service is active' do
          before do
            project.create_mattermost_slash_commands_service(
              active: true,
              properties: params
            )
          end

          it 'returns status 200' do
            post api("/projects/#{project.id}/services/#{service_name}/trigger"), params

            expect(response).to have_http_status(200)
          end
        end

        context 'when the project can not be found' do
          it 'returns a generic 404' do
            post api("/projects/404/services/#{service_name}/trigger"), params

            expect(response).to have_http_status(404)
            expect(json_response["message"]).to eq("404 Service Not Found")
          end
        end
      end
    end

    describe 'Slack Service' do
      let(:service_name) { 'slack_slash_commands' }

      before do
        project.create_slack_slash_commands_service(
          active: true,
          properties: { token: 'token' }
        )
      end

      it 'returns status 200' do
        post api("/projects/#{project.id}/services/#{service_name}/trigger"), token: 'token', text: 'help'

        expect(response).to have_http_status(200)
        expect(json_response['response_type']).to eq("ephemeral")
      end
    end
  end
end
