# frozen_string_literal: true

require 'spec_helper'

RSpec.describe Projects::AutocompleteSourcesController do
  let_it_be(:group, reload: true) { create(:group) }
  let_it_be(:private_group) { create(:group, :private) }
  let_it_be(:project) { create(:project, namespace: group) }
  let_it_be(:public_project) { create(:project, :public, group: group) }
  let_it_be(:development) { create(:label, project: project, name: 'Development') }
  let_it_be(:private_issue) { create(:labeled_issue, project: project, labels: [development]) }
  let_it_be(:private_work_item) { create(:work_item, project: project) }
  let_it_be(:issue) { create(:labeled_issue, project: public_project, labels: [development]) }
  let_it_be(:work_item) { create(:work_item, project: public_project, id: 1, iid: 100) }
  let_it_be(:user) { create(:user) }

  def members_by_username(username)
    json_response.find { |member| member['username'] == username }
  end

  describe 'GET commands' do
    before do
      group.add_owner(user)
    end

    context 'with a public project' do
      shared_examples 'issuable commands' do
        it 'returns empty array when no user logged in' do
          get :commands, format: :json, params: { namespace_id: group.path, project_id: public_project.path, type: issuable_type }

          expect(response).to have_gitlab_http_status(:ok)
          expect(json_response).to eq([])
        end

        it 'raises an error when no target type specified' do
          sign_in(user)

          expect { get :commands, format: :json, params: { namespace_id: group.path, project_id: project.path } }
            .to raise_error(ActionController::ParameterMissing)
        end

        it 'returns an array of commands' do
          sign_in(user)

          get :commands, format: :json, params: { namespace_id: group.path, project_id: public_project.path, type: issuable_type, type_id: issuable_iid }

          expect(response).to have_gitlab_http_status(:ok)
          expect(json_response).to be_present
        end
      end

      context 'with an issue' do
        let(:issuable_type) { issue.class.name }
        let(:issuable_iid) { issue.iid }

        it_behaves_like 'issuable commands'
      end

      context 'with work items' do
        let(:issuable_type) { work_item.class.name }
        let(:issuable_iid) { work_item.iid }

        it_behaves_like 'issuable commands'
      end

      context 'with merge request' do
        let(:merge_request) { create(:merge_request, target_project: public_project, source_project: public_project) }
        let(:issuable_type) { merge_request.class.name }
        let(:issuable_iid) { merge_request.iid }

        it_behaves_like 'issuable commands'
      end
    end
  end

  describe 'GET labels' do
    before do
      group.add_owner(user)
      sign_in(user)
    end

    shared_examples 'label commands' do
      it 'raises an error when no target type specified' do
        expect { get :labels, format: :json, params: { namespace_id: group.path, project_id: project.path } }
          .to raise_error(ActionController::ParameterMissing)
      end

      it 'returns an array of labels' do
        get :labels, format: :json, params: { namespace_id: group.path, project_id: project.path, type: issuable_type }

        expect(json_response).to be_a(Array)
        expect(json_response.count).to eq(1)
        expect(json_response[0]['title']).to eq('Development')
      end
    end

    context 'with issues' do
      let(:issuable_type) { issue.class.name }
      let(:issuable_iid) { issue.iid }

      it_behaves_like 'label commands'
    end

    context 'with work items' do
      let(:issuable_type) { work_item.class.name }
      let(:issuable_iid) { work_item.iid }

      it_behaves_like 'label commands'
    end
  end

  describe 'GET members' do
    let_it_be(:invited_private_member) { create(:user) }
    let_it_be(:issue) { create(:labeled_issue, project: public_project, labels: [development], author: user) }
    let_it_be(:work_item) { create(:work_item, project: public_project, author: user) }

    before_all do
      create(:project_group_link, group: private_group, project: public_project)
      group.add_owner(user)
      private_group.add_developer(invited_private_member)
    end

    context 'when logged in' do
      before do
        sign_in(user)
      end

      it 'returns 400 when no target type specified' do
        expect { get :members, format: :json, params: { namespace_id: group.path, project_id: project.path } }
          .to raise_error(ActionController::ParameterMissing)
      end

      shared_examples 'all members are returned' do
        before do
          stub_feature_flags(disable_all_mention: false)
        end

        it 'returns an array of member object' do
          get :members, format: :json, params: { namespace_id: group.path, project_id: public_project.path, type: issuable_type }

          expect(members_by_username('all').symbolize_keys).to include(
            username: 'all',
            name: 'All Project and Group Members',
            count: 2)

          expect(members_by_username(group.full_path).symbolize_keys).to include(
            type: group.class.name,
            name: group.full_name,
            avatar_url: group.avatar_url,
            count: 1)

          expect(members_by_username(user.username).symbolize_keys).to include(
            type: user.class.name,
            name: user.name,
            avatar_url: user.avatar_url)

          expect(members_by_username(invited_private_member.username).symbolize_keys).to include(
            type: invited_private_member.class.name,
            name: invited_private_member.name,
            avatar_url: invited_private_member.avatar_url)
        end

        context 'when `disable_all_mention` FF is enabled' do
          before do
            stub_feature_flags(disable_all_mention: true)
          end

          it 'does not return the all mention user' do
            get :members, format: :json, params: { namespace_id: group.path, project_id: public_project.path, type: issuable_type }

            expect(json_response).not_to include(a_hash_including(
              { username: 'all', name: 'All Project and Group Members' }))
          end
        end
      end

      context 'with issue' do
        let(:issuable_type) { issue.class.name }

        it_behaves_like 'all members are returned'
      end

      context 'with work item' do
        let(:issuable_type) { work_item.class.name }

        it_behaves_like 'all members are returned'
      end
    end

    context 'when anonymous' do
      shared_examples 'private project is inaccessible' do
        it 'redirects to login page for private project' do
          get :members, format: :json, params: { namespace_id: group.path, project_id: project.path, type: issuable_type }

          expect(response).to redirect_to new_user_session_path
        end
      end

      shared_examples 'only public members are returned for public project' do
        before do
          stub_feature_flags(disable_all_mention: false)
        end

        it 'only returns public members' do
          get :members, format: :json, params: { namespace_id: group.path, project_id: public_project.path, type: issuable_type }

          expect(members_by_username('all').symbolize_keys).to include(
            username: 'all',
            name: 'All Project and Group Members',
            count: 1)

          expect(members_by_username(user.username).symbolize_keys).to include(
            type: user.class.name,
            name: user.name,
            avatar_url: user.avatar_url)
        end

        context 'when `disable_all_mention` FF is enabled' do
          before do
            stub_feature_flags(disable_all_mention: true)
          end

          it 'does not return the all mention user' do
            get :members, format: :json, params: { namespace_id: group.path, project_id: public_project.path, type: issuable_type }

            expect(json_response).not_to include(a_hash_including(
              { username: 'all', name: 'All Project and Group Members' }))
          end
        end
      end

      context 'with issue' do
        it_behaves_like 'private project is inaccessible' do
          let(:issuable_type) { private_issue.class.name }
        end

        it_behaves_like 'only public members are returned for public project' do
          let(:issuable_type) { issue.class.name }
        end
      end

      context 'with work item' do
        it_behaves_like 'private project is inaccessible' do
          let(:issuable_type) { private_work_item.class.name }
        end

        it_behaves_like 'only public members are returned for public project' do
          let(:issuable_type) { work_item.class.name }
        end
      end
    end
  end

  describe 'GET milestones' do
    let(:group) { create(:group, :public) }
    let(:project) { create(:project, :public, namespace: group) }
    let!(:project_milestone) { create(:milestone, project: project) }
    let!(:group_milestone) { create(:milestone, group: group) }

    before do
      sign_in(user)
    end

    it 'lists milestones' do
      group.add_owner(user)

      get :milestones, format: :json, params: { namespace_id: group.path, project_id: project.path }

      milestone_titles = json_response.map { |milestone| milestone["title"] }
      expect(milestone_titles).to match_array([project_milestone.title, group_milestone.title])
    end

    context 'when user cannot read project issues and merge requests' do
      it 'renders 404' do
        project.project_feature.update!(issues_access_level: ProjectFeature::PRIVATE)
        project.project_feature.update!(merge_requests_access_level: ProjectFeature::PRIVATE)

        get :milestones, format: :json, params: { namespace_id: group.path, project_id: project.path }

        expect(response).to have_gitlab_http_status(:not_found)
      end
    end
  end

  describe 'GET contacts' do
    let_it_be(:contact_1) { create(:contact, group: group) }
    let_it_be(:contact_2) { create(:contact, group: group) }

    before do
      sign_in(user)
    end

    context 'when feature flag is enabled' do
      context 'when a group has contact relations enabled' do
        before do
          create(:crm_settings, group: group, enabled: true)
        end

        context 'when a user can read contacts' do
          it 'lists contacts' do
            group.add_developer(user)

            get :contacts, format: :json, params: { namespace_id: group.path, project_id: project.path, type: issue.class.name }

            emails = json_response.map { |contact_data| contact_data["email"] }
            expect(emails).to match_array([contact_1.email, contact_2.email])
          end
        end

        context 'when a user can not read contacts' do
          it 'renders 404' do
            get :contacts, format: :json, params: { namespace_id: group.path, project_id: project.path, type: issue.class.name }

            expect(response).to have_gitlab_http_status(:not_found)
          end
        end
      end

      context 'when a group has contact relations disabled' do
        it 'renders 404' do
          group.add_developer(user)

          get :contacts, format: :json, params: { namespace_id: group.path, project_id: project.path, type: issue.class.name }

          expect(response).to have_gitlab_http_status(:not_found)
        end
      end
    end
  end
end