# frozen_string_literal: true

require 'spec_helper'

RSpec.describe Projects::BoardsController do
  let(:project) { create(:project) }
  let(:user)    { create(:user) }

  before do
    project.add_maintainer(user)
    sign_in(user)
  end

  describe 'GET index' do
    it 'creates a new project board when project does not have one' do
      expect { list_boards }.to change(project.boards, :count).by(1)
    end

    it 'sets boards_endpoint instance variable to a boards path' do
      list_boards

      expect(assigns(:boards_endpoint)).to eq project_boards_path(project)
    end

    it 'pushes swimlanes_buffered_rendering feature flag' do
      allow(controller).to receive(:push_frontend_feature_flag).and_call_original

      expect(controller).to receive(:push_frontend_feature_flag)
        .with(:swimlanes_buffered_rendering, project, default_enabled: :yaml)

      list_boards
    end

    context 'when format is HTML' do
      it 'renders template' do
        list_boards

        expect(response).to render_template :index
        expect(response.media_type).to eq 'text/html'
      end

      context 'with unauthorized user' do
        before do
          expect(Ability).to receive(:allowed?).with(user, :log_in, :global).and_call_original
          allow(Ability).to receive(:allowed?).with(user, :read_project, project).and_return(true)
          allow(Ability).to receive(:allowed?).with(user, :read_issue_board, project).and_return(false)
        end

        it 'returns a not found 404 response' do
          list_boards

          expect(response).to have_gitlab_http_status(:not_found)
          expect(response.media_type).to eq 'text/html'
        end
      end

      context 'when user is signed out' do
        let(:project) { create(:project, :public) }

        it 'renders template' do
          sign_out(user)

          board = create(:board, project: project)
          create(:board_project_recent_visit, project: board.project, board: board, user: user)

          list_boards

          expect(response).to render_template :index
          expect(response.media_type).to eq 'text/html'
        end
      end
    end

    context 'when format is JSON' do
      it 'returns a list of project boards' do
        create_list(:board, 2, project: project)

        expect(Boards::VisitsFinder).not_to receive(:new)

        list_boards format: :json

        expect(response).to match_response_schema('boards')
        expect(json_response.length).to eq 2
      end

      context 'with unauthorized user' do
        before do
          expect(Ability).to receive(:allowed?).with(user, :log_in, :global).and_call_original
          allow(Ability).to receive(:allowed?).with(user, :read_project, project).and_return(true)
          allow(Ability).to receive(:allowed?).with(user, :read_issue_board, project).and_return(false)
        end

        it 'returns a not found 404 response' do
          list_boards format: :json

          expect(response).to have_gitlab_http_status(:not_found)
          expect(response.media_type).to eq 'application/json'
        end
      end
    end

    context 'issues are disabled' do
      let(:project) { create(:project, :issues_disabled) }

      it 'returns a not found 404 response' do
        list_boards

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

    it_behaves_like 'unauthorized when external service denies access' do
      subject { list_boards }
    end

    def list_boards(format: :html)
      get :index, params: {
                    namespace_id: project.namespace,
                    project_id: project
                  },
                  format: format
    end
  end

  describe 'GET show' do
    let!(:board) { create(:board, project: project) }

    it 'pushes swimlanes_buffered_rendering feature flag' do
      allow(controller).to receive(:push_frontend_feature_flag).and_call_original

      expect(controller).to receive(:push_frontend_feature_flag)
        .with(:swimlanes_buffered_rendering, project, default_enabled: :yaml)

      read_board board: board
    end

    it 'sets boards_endpoint instance variable to a boards path' do
      read_board board: board

      expect(assigns(:boards_endpoint)).to eq project_boards_path(project)
    end

    context 'when format is HTML' do
      it 'renders template' do
        expect { read_board board: board }.to change(BoardProjectRecentVisit, :count).by(1)

        expect(response).to render_template :show
        expect(response.media_type).to eq 'text/html'
      end

      context 'with unauthorized user' do
        before do
          expect(Ability).to receive(:allowed?).with(user, :log_in, :global).and_call_original
          allow(Ability).to receive(:allowed?).with(user, :read_project, project).and_return(true)
          allow(Ability).to receive(:allowed?).with(user, :read_issue_board, project).and_return(false)
        end

        it 'returns a not found 404 response' do
          read_board board: board

          expect(response).to have_gitlab_http_status(:not_found)
          expect(response.media_type).to eq 'text/html'
        end
      end

      context 'when user is signed out' do
        let(:project) { create(:project, :public) }

        it 'does not save visit' do
          sign_out(user)

          expect { read_board board: board }.to change(BoardProjectRecentVisit, :count).by(0)

          expect(response).to render_template :show
          expect(response.media_type).to eq 'text/html'
        end
      end
    end

    context 'when format is JSON' do
      it 'returns project board' do
        expect(Boards::Visits::CreateService).not_to receive(:new)

        read_board board: board, format: :json

        expect(response).to match_response_schema('board')
      end

      context 'with unauthorized user' do
        before do
          expect(Ability).to receive(:allowed?).with(user, :log_in, :global).and_call_original
          allow(Ability).to receive(:allowed?).with(user, :read_project, project).and_return(true)
          allow(Ability).to receive(:allowed?).with(user, :read_issue_board, project).and_return(false)
        end

        it 'returns a not found 404 response' do
          read_board board: board, format: :json

          expect(response).to have_gitlab_http_status(:not_found)
          expect(response.media_type).to eq 'application/json'
        end
      end
    end

    context 'when board does not belong to project' do
      it 'returns a not found 404 response' do
        another_board = create(:board)

        read_board board: another_board

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

    def read_board(board:, format: :html)
      get :show, params: {
                   namespace_id: project.namespace,
                   project_id: project,
                   id: board.to_param
                 },
                 format: format
    end
  end
end