# frozen_string_literal: true

require 'spec_helper'

describe Admin::SessionsController, :do_not_mock_admin_mode do
  include_context 'custom session'

  let(:user) { create(:user) }

  before do
    sign_in(user)
  end

  describe '#new' do
    context 'for regular users' do
      it 'shows error page' do
        get :new

        expect(response).to have_gitlab_http_status(:not_found)
        expect(controller.current_user_mode.admin_mode?).to be(false)
      end
    end

    context 'for admin users' do
      let(:user) { create(:admin) }

      it 'renders a password form' do
        get :new

        expect(response).to render_template :new
        expect(controller.current_user_mode.admin_mode?).to be(false)
      end

      context 'already in admin mode' do
        before do
          controller.current_user_mode.request_admin_mode!
          controller.current_user_mode.enable_admin_mode!(password: user.password)
        end

        it 'redirects to original location' do
          get :new

          expect(response).to redirect_to(admin_root_path)
          expect(controller.current_user_mode.admin_mode?).to be(true)
        end
      end
    end
  end

  describe '#create' do
    context 'for regular users' do
      it 'shows error page' do
        post :create

        expect(response).to have_gitlab_http_status(:not_found)
        expect(controller.current_user_mode.admin_mode?).to be(false)
      end
    end

    context 'for admin users' do
      let(:user) { create(:admin) }

      it 'sets admin mode with a valid password' do
        expect(controller.current_user_mode.admin_mode?).to be(false)

        controller.store_location_for(:redirect, admin_root_path)

        # triggering the auth form will request admin mode
        get :new

        post :create, params: { password: user.password }

        expect(response).to redirect_to admin_root_path
        expect(controller.current_user_mode.admin_mode?).to be(true)
      end

      it 'fails with an invalid password' do
        expect(controller.current_user_mode.admin_mode?).to be(false)

        controller.store_location_for(:redirect, admin_root_path)

        # triggering the auth form will request admin mode
        get :new

        post :create, params: { password: '' }

        expect(response).to render_template :new
        expect(controller.current_user_mode.admin_mode?).to be(false)
      end

      it 'fails if not requested first' do
        expect(controller.current_user_mode.admin_mode?).to be(false)

        controller.store_location_for(:redirect, admin_root_path)

        # do not trigger the auth form

        post :create, params: { password: user.password }

        expect(response).to redirect_to(new_admin_session_path)
        expect(controller.current_user_mode.admin_mode?).to be(false)
      end

      it 'fails if request period expired' do
        expect(controller.current_user_mode.admin_mode?).to be(false)

        controller.store_location_for(:redirect, admin_root_path)

        # triggering the auth form will request admin mode
        get :new

        Timecop.freeze(Gitlab::Auth::CurrentUserMode::ADMIN_MODE_REQUESTED_GRACE_PERIOD.from_now) do
          post :create, params: { password: user.password }

          expect(response).to redirect_to(new_admin_session_path)
          expect(controller.current_user_mode.admin_mode?).to be(false)
        end
      end
    end
  end

  describe '#destroy' do
    context 'for regular users' do
      it 'shows error page' do
        get :destroy

        expect(response).to have_gitlab_http_status(404)
        expect(controller.current_user_mode.admin_mode?).to be(false)
      end
    end

    context 'for admin users' do
      let(:user) { create(:admin) }

      it 'disables admin mode and redirects to main page' do
        expect(controller.current_user_mode.admin_mode?).to be(false)

        get :new
        post :create, params: { password: user.password }
        expect(controller.current_user_mode.admin_mode?).to be(true)

        get :destroy

        expect(response).to have_gitlab_http_status(:found)
        expect(response).to redirect_to(root_path)
        expect(controller.current_user_mode.admin_mode?).to be(false)
      end
    end
  end
end