# frozen_string_literal: true

RSpec.describe "Message notifications - with sidebar", type: :system, js: true do
  fab!(:current_user) { Fabricate(:user) }

  let!(:chat_page) { PageObjects::Pages::Chat.new }
  let!(:chat_channel_page) { PageObjects::Pages::ChatChannel.new }

  before do
    SiteSetting.navigation_menu = "sidebar"
    chat_system_bootstrap
  end

  def create_message(text: "this is fine", channel:, creator: Fabricate(:user))
    sign_in(creator)
    chat_page.visit_channel(channel)
    chat_channel_page.send_message(text)
    expect(chat_channel_page).to have_no_css(".chat-message-staged")
    expect(chat_channel_page).to have_message(text: text)
  end

  context "as a user" do
    before { sign_in(current_user) }

    context "when on homepage" do
      context "with public channel" do
        fab!(:channel_1) { Fabricate(:category_channel) }
        fab!(:channel_2) { Fabricate(:category_channel) }
        fab!(:user_1) { Fabricate(:user) }

        before { channel_1.add(user_1) }

        context "when not member of the channel" do
          context "when a message is created" do
            it "doesn't show anything" do
              visit("/")
              using_session(:user_1) { create_message(channel: channel_1, creator: user_1) }

              expect(page).to have_no_css(".chat-header-icon .chat-channel-unread-indicator")
              expect(page).to have_no_css(".sidebar-row.channel-#{channel_1.id}")
            end
          end
        end

        context "when member of the channel" do
          before { channel_1.add(current_user) }

          context "when user is in DnD" do
            before do
              Fabricate(
                :do_not_disturb_timing,
                user: current_user,
                starts_at: 1.week.ago,
                ends_at: 1.week.from_now,
              )
            end

            it "doesn’t show indicator in header" do
              Jobs.run_immediately!

              visit("/")
              using_session(:user_1) { create_message(channel: channel_1, creator: user_1) }

              expect(page).to have_css(".do-not-disturb-background")
              expect(page).to have_no_css(".chat-header-icon .chat-channel-unread-indicator")
            end
          end

          context "when channel is muted" do
            before { channel_1.membership_for(current_user).update!(muted: true) }

            context "when a message is created" do
              it "doesn't show anything" do
                visit("/")
                using_session(:user_1) { create_message(channel: channel_1, creator: user_1) }

                expect(page).to have_no_css(".chat-header-icon .chat-channel-unread-indicator")
                expect(page).to have_no_css(".sidebar-row.channel-#{channel_1.id} .unread")
              end
            end
          end

          context "when user chat_header_indicator_preference is set to 'never'" do
            before do
              current_user.user_option.update!(
                chat_header_indicator_preference:
                  UserOption.chat_header_indicator_preferences[:never],
              )
            end

            context "when a message is created" do
              it "doesn't show any indicator on chat-header-icon" do
                visit("/")
                using_session(:user_1) { create_message(channel: channel_1, creator: user_1) }

                expect(page).to have_no_css(".chat-header-icon .chat-channel-unread-indicator")
              end
            end
          end

          context "when user chat_header_indicator_preference is set to 'dm_and_mentions'" do
            before do
              current_user.user_option.update!(
                chat_header_indicator_preference:
                  UserOption.chat_header_indicator_preferences[:dm_and_mentions],
              )
            end

            context "when a message is created" do
              it "doesn't show any indicator on chat-header-icon" do
                visit("/")
                using_session(:user_1) { create_message(channel: channel_1, creator: user_1) }

                expect(page).to have_no_css(
                  ".chat-header-icon .chat-channel-unread-indicator.urgent",
                )
              end
            end

            context "when a message with a mention is created" do
              it "does show an indicator on chat-header-icon" do
                Jobs.run_immediately!

                visit("/")
                using_session(:user_1) do
                  create_message(
                    text: "hey what's going on @#{current_user.username}?",
                    channel: channel_1,
                    creator: user_1,
                  )
                end
                expect(page).to have_css(".chat-header-icon .chat-channel-unread-indicator.urgent")
              end
            end
          end

          context "when a message is created" do
            it "correctly renders notifications" do
              visit("/")
              using_session(:user_1) { create_message(channel: channel_1, creator: user_1) }

              expect(page).to have_css(".chat-header-icon .chat-channel-unread-indicator", text: "")
              expect(page).to have_css(".sidebar-row.channel-#{channel_1.id} .unread")
            end
          end

          context "when a message with mentions is created" do
            it "correctly renders notifications" do
              Jobs.run_immediately!

              visit("/")
              using_session(:user_1) do
                create_message(
                  channel: channel_1,
                  creator: user_1,
                  text: "hello @#{current_user.username} what's up?",
                )
              end

              expect(page).to have_css(
                ".chat-header-icon .chat-channel-unread-indicator.urgent",
                text: "1",
              )
              expect(page).to have_css(".sidebar-row.channel-#{channel_1.id} .icon.urgent")
            end
          end
        end
      end

      context "with dm channel" do
        fab!(:current_user) { Fabricate(:admin) }
        fab!(:user_1) { Fabricate(:user) }
        fab!(:user_2) { Fabricate(:user) }

        fab!(:dm_channel_1) { Fabricate(:direct_message_channel, users: [current_user, user_1]) }
        fab!(:dm_channel_2) { Fabricate(:direct_message_channel, users: [current_user, user_2]) }

        context "when a message is created" do
          it "correctly renders notifications" do
            visit("/")
            using_session(:user_1) { create_message(channel: dm_channel_1, creator: user_1) }

            expect(page).to have_css(".chat-header-icon .chat-channel-unread-indicator", text: "1")
            expect(page).to have_css(".sidebar-row.channel-#{dm_channel_1.id} .icon.urgent")

            using_session(:user_1) { create_message(channel: dm_channel_1, creator: user_1) }

            expect(page).to have_css(".chat-header-icon .chat-channel-unread-indicator", text: "2")
          end

          it "reorders channels" do
            visit("/chat")

            expect(page).to have_css(
              "#sidebar-section-content-chat-dms .sidebar-section-link-wrapper:nth-child(1) .channel-#{dm_channel_1.id}",
            )
            expect(page).to have_css(
              "#sidebar-section-content-chat-dms .sidebar-section-link-wrapper:nth-child(2) .channel-#{dm_channel_2.id}",
            )

            using_session(:user_1) { create_message(channel: dm_channel_2, creator: user_2) }

            expect(page).to have_css(
              "#sidebar-section-content-chat-dms .sidebar-section-link-wrapper:nth-child(1) .channel-#{dm_channel_2.id}",
            )
            expect(page).to have_css(
              "#sidebar-section-content-chat-dms .sidebar-section-link-wrapper:nth-child(2) .channel-#{dm_channel_1.id}",
            )
          end
        end
      end

      context "with dm and public channel" do
        fab!(:current_user) { Fabricate(:admin) }
        fab!(:user_1) { Fabricate(:user) }
        fab!(:channel_1) { Fabricate(:category_channel) }
        fab!(:dm_channel_1) { Fabricate(:direct_message_channel, users: [current_user, user_1]) }

        before do
          channel_1.add(user_1)
          channel_1.add(current_user)
        end

        context "when messages are created" do
          it "correctly renders notifications" do
            visit("/")
            using_session(:user_1) { create_message(channel: channel_1, creator: user_1) }

            expect(page).to have_css(".chat-header-icon .chat-channel-unread-indicator", text: "")
            expect(page).to have_css(".sidebar-row.channel-#{channel_1.id} .unread")

            using_session(:user_1) { create_message(channel: dm_channel_1, creator: user_1) }

            expect(page).to have_css(".sidebar-row.channel-#{dm_channel_1.id} .icon.urgent")
            expect(page).to have_css(".chat-header-icon .chat-channel-unread-indicator", text: "1")
          end
        end
      end
    end
  end
end