defmodule BDS.Desktop.ShellLive do
  @moduledoc false

  use Phoenix.LiveView

  import Phoenix.HTML

  alias BDS.AI
  alias BDS.CliSync.Watcher
  alias BDS.Desktop.{FolderPicker, Overlay, ShellData, UILocale}
  alias BDS.Desktop.ShellLive.{ChatEditor, CodeEntityEditor, ImportEditor, MediaEditor, MenuEditor, MiscEditor, SettingsEditor, TagsEditor}
  alias BDS.Desktop.ShellLive.OverlayComponents, as: ShellOverlayComponents
  alias BDS.Desktop.ShellLive.PostEditor
  alias BDS.Desktop.ShellLive.SidebarComponents, as: ShellSidebarComponents
  alias BDS.Desktop.ShellLive.SidebarState, as: ShellSidebarState
  alias BDS.Desktop.ShellLive.{ChatSurface, CliSync, Layout, SessionUtil, ShellCommandRunner, SidebarCreate, TabHelpers, TaskLocalization, TitlebarMenu}
  import TaskLocalization,
    only: [
      localize_task_status: 2,
      translate_for_socket: 2
    ]
  import TabHelpers,
    only: [
      tab_title: 2,
      tab_subtitle: 2,
      tab_id_for_route: 2,
      tab_intent: 2,
      sidebar_route_atom: 1,
      parse_integer: 1
    ]
  alias BDS.Projects
  alias BDS.Repo
  alias BDS.Templates
  alias BDS.UI.{Commands, MenuBar, Session, Workbench}

  @refresh_interval 1_500
  @output_entry_limit 20
  @local_menu_actions MapSet.new([
                       :toggle_sidebar,
                       :toggle_panel,
                       :toggle_assistant_sidebar,
                       :view_posts,
                       :view_media,
                       :edit_preferences,
                       :edit_menu,
                       :documentation,
                       :api_documentation,
                       :close_tab
                     ])

  embed_templates "shell_live/*"

  @impl true
  def mount(_params, _session, socket) do
    connected = connected?(socket)

    if connected do
      Phoenix.PubSub.subscribe(BDS.PubSub, Watcher.topic())
      :timer.send_interval(@refresh_interval, :refresh_task_status)
    end

    workbench = Workbench.new()

    {:ok,
     socket
     |> assign(:page_title, ShellData.title())
     |> assign(:page_language, ShellData.ui_language())
      |> assign(:client_shortcuts, Commands.client_shortcuts())
    |> assign(:offline_mode, if(connected, do: AI.airplane_mode?(true), else: true))
      |> assign(:handled_task_results, SessionUtil.initial_handled_task_results())
      |> assign(:assistant_prompt, "")
      |> assign(:assistant_messages, [])
    |> assign(:is_mac_ui, mac_ui?())
    |> assign(:menu_groups, TitlebarMenu.groups())
    |> assign(:titlebar_menu_group, nil)
      |> assign(:titlebar_menu_item_index, nil)
     |> assign(:tab_meta, %{})
      |> assign(:project_menu_open, false)
      |> assign(:sidebar_filters_by_view, %{})
      |> assign(:sidebar_filter_panels, %{})
        |> assign(:post_editor_drafts, %{})
        |> assign(:post_editor_active_languages, %{})
        |> assign(:post_editor_tag_queries, %{})
        |> assign(:post_editor_category_queries, %{})
        |> assign(:post_editor_quick_actions_open, %{})
        |> assign(:post_editor_modes, %{})
        |> assign(:post_editor_expanded, %{})
        |> assign(:post_editor_save_states, %{})
        |> assign(:media_editor_drafts, %{})
        |> assign(:media_editor_quick_actions_open, %{})
        |> assign(:media_editor_post_pickers_open, %{})
        |> assign(:media_editor_post_picker_queries, %{})
        |> assign(:media_editor_save_states, %{})
        |> assign(:media_editor_translation_forms, %{})
        |> assign(:settings_editor_search, "")
        |> assign(:settings_editor_project_draft, %{})
          |> assign(:settings_editor_endpoint_models, %{})
        |> assign(:settings_editor_publishing_draft, %{})
        |> assign(:settings_editor_new_category, "")
        |> assign(:style_editor_theme, nil)
        |> assign(:style_editor_preview_mode, "auto")
        |> assign(:tags_editor_selected, [])
        |> assign(:tags_editor_new_tag, %{"name" => "", "color" => ""})
        |> assign(:tags_editor_edit_draft, %{})
        |> assign(:tags_editor_merge_target, "")
        |> assign(:script_editor_drafts, %{})
        |> assign(:template_editor_drafts, %{})
        |> assign(:chat_editor_inputs, %{})
        |> assign(:chat_model_selectors_open, %{})
        |> assign(:chat_editor_requests, %{})
        |> assign(:chat_editor_request_refs, %{})
        |> assign(:chat_editor_surface_data, %{})
        |> assign(:chat_editor_surface_tabs, %{})
        |> assign(:chat_editor_action_errors, %{})
        |> assign(:import_editor_analysis_states, %{})
        |> assign(:import_editor_analysis_task_refs, %{})
        |> assign(:import_editor_execution_states, %{})
        |> assign(:import_editor_execution_task_refs, %{})
        |> assign(:import_editor_sections, %{})
        |> assign(:import_editor_taxonomy_edits, %{})
        |> assign(:import_editor_model_selectors_open, %{})
        |> assign(:import_editor_selected_models, %{})
        |> assign(:misc_editor_selected_pairs, %{})
        |> assign(:misc_editor_git_selected_files, %{})
        |> assign(:metadata_diff_active_tabs, %{})
        |> assign(:metadata_diff_field_filters, %{})
        |> assign(:shell_overlay, nil)
      |> assign(:output_entries, [])
     |> reload_shell(workbench)}
  end

  @impl true
  def handle_event("toggle_sidebar", _params, socket) do
    {:noreply, reload_shell(socket, Workbench.toggle_sidebar(socket.assigns.workbench))}
  end

  def handle_event("toggle_panel", _params, socket) do
    {:noreply, reload_shell(socket, Workbench.toggle_panel(socket.assigns.workbench))}
  end

  def handle_event("toggle_assistant_sidebar", _params, socket) do
    {:noreply, reload_shell(socket, Workbench.toggle_assistant_sidebar(socket.assigns.workbench))}
  end

  def handle_event("select_view", %{"view" => view_id}, socket) do
    workbench = Workbench.click_activity(socket.assigns.workbench, String.to_existing_atom(view_id))
    {:noreply, reload_shell(socket, workbench)}
  end

  def handle_event("select_panel_tab", %{"tab" => tab}, socket) do
    workbench =
      socket.assigns.workbench
      |> Workbench.set_panel_visible(true)
      |> Workbench.set_panel_tab(String.to_existing_atom(tab))

    {:noreply, reload_shell(socket, workbench)}
  end

  def handle_event("open_sidebar_item", %{"route" => _route, "id" => _id} = params, socket) do
    {:noreply, open_sidebar_item(socket, params, :preview)}
  end

  def handle_event("pin_sidebar_item", %{"route" => _route, "id" => _id} = params, socket) do
    {:noreply, open_sidebar_item(socket, params, :pin)}
  end

  def handle_event("sync_layout", params, socket) do
    {:noreply, reload_shell(socket, Layout.sync(socket.assigns.workbench, params))}
  end

  def handle_event("resize_panel", %{"target" => target, "width" => width}, socket) do
    {:noreply, reload_shell(socket, Layout.resize(socket.assigns.workbench, target, width))}
  end

  def handle_event("toggle_sidebar_filters", _params, socket) do
    socket =
      ShellSidebarState.put_filter_panel_state(socket, fn state ->
        if state.visible do
          %{state | visible: false}
        else
          %{visible: true, archive_collapsed: true, tags_collapsed: true, categories_collapsed: true, expanded_year: nil}
        end
      end)

    {:noreply,
     socket
     |> reload_shell(socket.assigns.workbench)}
  end

  def handle_event("toggle_sidebar_archive", _params, socket) do
    {:noreply,
     socket
      |> ShellSidebarState.put_filter_panel_state(fn state -> %{state | archive_collapsed: not state.archive_collapsed} end)
     |> reload_shell(socket.assigns.workbench)}
  end

  def handle_event("toggle_sidebar_tags", _params, socket) do
    {:noreply,
     socket
      |> ShellSidebarState.put_filter_panel_state(fn state -> %{state | tags_collapsed: not state.tags_collapsed} end)
     |> reload_shell(socket.assigns.workbench)}
  end

  def handle_event("toggle_sidebar_categories", _params, socket) do
    {:noreply,
     socket
      |> ShellSidebarState.put_filter_panel_state(fn state -> %{state | categories_collapsed: not state.categories_collapsed} end)
     |> reload_shell(socket.assigns.workbench)}
  end

  def handle_event("update_sidebar_search", %{"sidebar_filters" => params}, socket) do
    {:noreply,
     socket
      |> ShellSidebarState.put_filters(fn filters -> Map.put(filters, :search, ShellSidebarState.normalize_filter_string(Map.get(params, "search"))) end)
     |> reload_shell(socket.assigns.workbench)}
  end

  def handle_event("clear_sidebar_search", _params, socket) do
    {:noreply,
     socket
      |> ShellSidebarState.put_filters(fn filters -> Map.put(filters, :search, nil) end)
     |> reload_shell(socket.assigns.workbench)}
  end

  def handle_event("clear_sidebar_tags", _params, socket) do
    {:noreply,
     socket
      |> ShellSidebarState.put_filters(fn filters -> Map.put(filters, :tags, []) end)
     |> reload_shell(socket.assigns.workbench)}
  end

  def handle_event("clear_sidebar_categories", _params, socket) do
    {:noreply,
     socket
      |> ShellSidebarState.put_filters(fn filters -> Map.put(filters, :categories, []) end)
     |> reload_shell(socket.assigns.workbench)}
  end

  def handle_event("toggle_sidebar_tag", %{"tag" => tag}, socket) do
    {:noreply,
     socket
      |> ShellSidebarState.put_filters(fn filters -> ShellSidebarState.toggle_filter_value(filters, :tags, tag) end)
     |> reload_shell(socket.assigns.workbench)}
  end

  def handle_event("toggle_sidebar_category", %{"category" => category}, socket) do
    {:noreply,
     socket
     |> ShellSidebarState.put_filters(fn filters -> ShellSidebarState.toggle_filter_value(filters, :categories, category) end)
     |> reload_shell(socket.assigns.workbench)}
  end

  def handle_event("select_sidebar_year", %{"year" => year}, socket) do
    parsed_year = ShellSidebarState.parse_optional_integer(year)

    {:noreply,
     socket
     |> ShellSidebarState.put_filter_panel_state(fn state ->
       %{state |
         archive_collapsed: false,
         expanded_year: if(state.expanded_year == parsed_year, do: nil, else: parsed_year)
       }
     end)
     |> ShellSidebarState.put_filters(fn filters ->
       filters
       |> Map.put(:year, parsed_year)
       |> Map.put(:month, nil)
     end)
     |> reload_shell(socket.assigns.workbench)}
  end

  def handle_event("select_sidebar_month", %{"year" => year, "month" => month}, socket) do
    {:noreply,
     socket
     |> ShellSidebarState.put_filter_panel_state(fn state ->
       %{state | archive_collapsed: false, expanded_year: ShellSidebarState.parse_optional_integer(year)}
     end)
     |> ShellSidebarState.put_filters(fn filters ->
       filters
       |> Map.put(:year, ShellSidebarState.parse_optional_integer(year))
       |> Map.put(:month, ShellSidebarState.parse_optional_integer(month))
     end)
     |> reload_shell(socket.assigns.workbench)}
  end

  def handle_event("clear_sidebar_month", _params, socket) do
    {:noreply,
     socket
      |> ShellSidebarState.put_filter_panel_state(fn state -> %{state | archive_collapsed: false} end)
      |> ShellSidebarState.put_filters(fn filters -> filters |> Map.put(:year, nil) |> Map.put(:month, nil) end)
     |> reload_shell(socket.assigns.workbench)}
  end

  def handle_event("clear_sidebar_filters", _params, socket) do
    {:noreply,
     socket
     |> ShellSidebarState.put_filters(fn filters ->
       filters
       |> Map.put(:search, nil)
       |> Map.put(:year, nil)
       |> Map.put(:month, nil)
       |> Map.put(:tags, [])
       |> Map.put(:categories, [])
       |> Map.put(:display_limit, ShellSidebarState.sidebar_page_size(socket.assigns.sidebar_data))
     end)
     |> reload_shell(socket.assigns.workbench)}
  end

  def handle_event("load_more_sidebar", _params, socket) do
    {:noreply,
     socket
     |> ShellSidebarState.put_filters(fn filters ->
       Map.update(filters, :display_limit, ShellSidebarState.sidebar_page_size(socket.assigns.sidebar_data), &(&1 + ShellSidebarState.sidebar_page_size(socket.assigns.sidebar_data)))
     end)
     |> reload_shell(socket.assigns.workbench)}
  end

  def handle_event("create_sidebar_item", %{"kind" => kind}, socket) do
    {:noreply, create_sidebar_item(socket, kind)}
  end

  def handle_event("shortcut", params, socket) do
    if Layout.ignore_shortcut?(params) do
      {:noreply, socket}
    else
      {:noreply, reload_shell(socket, Commands.handle_shortcut(socket.assigns.workbench, params))}
    end
  end

  def handle_event("select_tab", %{"type" => type, "id" => id}, socket) do
    workbench =
      Workbench.open_tab(socket.assigns.workbench, String.to_existing_atom(type), id, :preview)

    {:noreply, reload_shell(socket, workbench)}
  end

  def handle_event("close_tab", %{"type" => type, "id" => id}, socket) do
    type_atom = String.to_existing_atom(type)
    workbench = Workbench.close_tab(socket.assigns.workbench, type_atom, id)
    tab_meta = Map.delete(socket.assigns.tab_meta, {type_atom, id})

    {:noreply,
     socket
     |> assign(:tab_meta, tab_meta)
     |> reload_shell(workbench)}
  end

  def handle_event("delete_sidebar_template", %{"id" => template_id}, socket) do
    case Repo.get(Templates.Template, template_id) do
      %Templates.Template{project_id: project_id} when project_id == socket.assigns.projects.active_project_id ->
        case Templates.delete_template(template_id) do
          {:ok, :deleted} ->
            workbench = Workbench.close_tab(socket.assigns.workbench, :templates, template_id)
            tab_meta = Map.delete(socket.assigns.tab_meta, {:templates, template_id})

            {:noreply,
             socket
             |> assign(:tab_meta, tab_meta)
             |> reload_shell(workbench)}

          {:error, reason} ->
            {:noreply,
             socket
             |> append_output_entry(translated("Delete") <> " " <> translated("Template"), inspect(reason), nil, "error")
             |> reload_shell(socket.assigns.workbench)}
        end

      _other ->
        {:noreply,
         socket
         |> append_output_entry(translated("Delete") <> " " <> translated("Template"), inspect(:not_found), nil, "error")
         |> reload_shell(socket.assigns.workbench)}
    end
  end

  def handle_event("toggle_offline_mode", _params, socket) do
    next_mode = not socket.assigns.offline_mode

    :ok = AI.set_airplane_mode(next_mode)
    socket = assign(socket, :offline_mode, next_mode)

    {:noreply, reload_shell(socket, socket.assigns.workbench)}
  end

  def handle_event("update_assistant_prompt", %{"assistant" => %{"prompt" => prompt}}, socket) do
    {:noreply, assign(socket, :assistant_prompt, prompt)}
  end

  def handle_event("submit_assistant_prompt", %{"assistant" => %{"prompt" => prompt}}, socket) do
    prompt = prompt |> to_string() |> String.trim()

    socket =
      if prompt == "" do
        assign(socket, :assistant_prompt, "")
      else
        socket
        |> assign(:assistant_prompt, "")
        |> assign(:assistant_messages, socket.assigns.assistant_messages ++ ChatSurface.assistant_turn(prompt, socket))
      end

    {:noreply, socket}
  end

  def handle_event("open_tasks_panel", _params, socket) do
    workbench =
      socket.assigns.workbench
      |> Workbench.set_panel_visible(true)
      |> Workbench.set_panel_tab(:tasks)

    {:noreply, reload_shell(socket, workbench)}
  end

  def handle_event("change_post_editor", %{"post_editor" => params}, socket) do
    {:noreply, PostEditor.update(socket, params, &reload_shell/2)}
  end

  def handle_event("save_post_editor", %{"id" => post_id}, socket) do
    {:noreply, PostEditor.persist_socket(socket, post_id, :save, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("publish_post_editor", %{"id" => post_id}, socket) do
    {:noreply, PostEditor.persist_socket(socket, post_id, :publish, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("discard_post_editor", %{"id" => post_id}, socket) do
    {:noreply, PostEditor.discard_socket(socket, post_id, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("delete_post_editor", %{"id" => post_id}, socket) do
    {:noreply, PostEditor.delete_socket(socket, post_id, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("set_post_editor_mode", %{"id" => post_id, "mode" => mode}, socket) do
    {:noreply, PostEditor.set_mode(socket, post_id, mode, &reload_shell/2)}
  end

  def handle_event("toggle_post_metadata", %{"id" => post_id}, socket) do
    {:noreply, PostEditor.toggle_section(socket, post_id, :metadata, &reload_shell/2)}
  end

  def handle_event("toggle_post_excerpt", %{"id" => post_id}, socket) do
    {:noreply, PostEditor.toggle_section(socket, post_id, :excerpt, &reload_shell/2)}
  end

  def handle_event("select_post_editor_language", %{"id" => post_id, "language" => language}, socket) do
    {:noreply, PostEditor.select_language(socket, post_id, language, &reload_shell/2)}
  end

  def handle_event("toggle_post_editor_quick_actions", %{"id" => post_id}, socket) do
    {:noreply, PostEditor.toggle_quick_actions(socket, post_id, &reload_shell/2)}
  end

  def handle_event("detect_post_editor_language", %{"id" => post_id}, socket) do
    {:noreply, PostEditor.detect_language(socket, post_id, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("add_post_editor_tag", %{"id" => post_id, "tag" => tag}, socket) do
    {:noreply, PostEditor.add_list_value(socket, post_id, :tags, tag, &reload_shell/2)}
  end

  def handle_event("remove_post_editor_tag", %{"id" => post_id, "tag" => tag}, socket) do
    {:noreply, PostEditor.remove_list_value(socket, post_id, :tags, tag, &reload_shell/2)}
  end

  def handle_event("add_post_editor_category", %{"id" => post_id, "category" => category}, socket) do
    {:noreply, PostEditor.add_list_value(socket, post_id, :categories, category, &reload_shell/2)}
  end

  def handle_event("remove_post_editor_category", %{"id" => post_id, "category" => category}, socket) do
    {:noreply, PostEditor.remove_list_value(socket, post_id, :categories, category, &reload_shell/2)}
  end

  def handle_event("change_media_editor", %{"media_editor" => params}, socket) do
    {:noreply, MediaEditor.update(socket, params, &reload_shell/2)}
  end

  def handle_event("save_media_editor", %{"id" => media_id}, socket) do
    {:noreply, MediaEditor.persist_socket(socket, media_id, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("toggle_media_editor_quick_actions", %{"id" => media_id}, socket) do
    {:noreply, MediaEditor.toggle_quick_actions(socket, media_id, &reload_shell/2)}
  end

  def handle_event("replace_media_editor_file", %{"id" => media_id}, socket) do
    {:noreply, MediaEditor.replace_file(socket, media_id, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("detect_media_editor_language", %{"id" => media_id}, socket) do
    {:noreply, MediaEditor.detect_language(socket, media_id, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("toggle_media_post_picker", %{"id" => media_id}, socket) do
    {:noreply, MediaEditor.toggle_post_picker(socket, media_id, &reload_shell/2)}
  end

  def handle_event("change_media_post_picker", %{"id" => media_id, "media_post_picker" => %{"query" => query}}, socket) do
    {:noreply, MediaEditor.set_post_picker_query(socket, media_id, query, &reload_shell/2)}
  end

  def handle_event("link_media_to_post", %{"id" => media_id, "post-id" => post_id}, socket) do
    {:noreply, MediaEditor.link_post(socket, media_id, post_id, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("unlink_media_from_post", %{"id" => media_id, "post-id" => post_id}, socket) do
    {:noreply, MediaEditor.unlink_post(socket, media_id, post_id, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("edit_media_translation", %{"id" => media_id, "language" => language}, socket) do
    {:noreply, MediaEditor.edit_translation(socket, media_id, language, &reload_shell/2)}
  end

  def handle_event("change_media_translation", %{"media_translation" => params}, socket) do
    case socket.assigns.current_tab do
      %{type: :media, id: media_id} -> {:noreply, MediaEditor.update_translation(socket, media_id, params, &reload_shell/2)}
      _other -> {:noreply, socket}
    end
  end

  def handle_event("save_media_translation", %{"id" => media_id}, socket) do
    {:noreply, MediaEditor.save_translation(socket, media_id, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("refresh_media_translation", %{"id" => media_id, "language" => language}, socket) do
    {:noreply, MediaEditor.refresh_translation(socket, media_id, language, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("delete_media_translation", %{"id" => media_id, "language" => language}, socket) do
    {:noreply, MediaEditor.delete_translation(socket, media_id, language, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("close_media_translation_editor", _params, socket) do
    case socket.assigns.current_tab do
      %{type: :media, id: media_id} ->
        {:noreply,
         socket
         |> assign(:media_editor_translation_forms, Map.delete(socket.assigns.media_editor_translation_forms, media_id))
         |> reload_shell(socket.assigns.workbench)}

      _other ->
        {:noreply, socket}
    end
  end

  def handle_event("change_settings_search", %{"query" => query}, socket) do
    {:noreply, SettingsEditor.update_search(socket, query, &reload_shell/2)}
  end

  def handle_event("change_settings_project", %{"settings_project" => params}, socket) do
    {:noreply, SettingsEditor.update_project_draft(socket, params, &reload_shell/2)}
  end

  def handle_event("change_settings_editor", %{"settings_editor" => params}, socket) do
    {:noreply, SettingsEditor.update_editor_draft(socket, params, &reload_shell/2)}
  end

  def handle_event("save_settings_editor", _params, socket) do
    {:noreply, SettingsEditor.save_editor(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("save_settings_project", _params, socket) do
    {:noreply, SettingsEditor.save_project(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("change_settings_publishing", %{"settings_publishing" => params}, socket) do
    {:noreply, SettingsEditor.update_publishing_draft(socket, params, &reload_shell/2)}
  end

  def handle_event("change_settings_ai", %{"settings_ai" => params}, socket) do
    {:noreply, SettingsEditor.update_ai_draft(socket, params, &reload_shell/2)}
  end

  def handle_event("refresh_settings_ai_models", %{"endpoint" => endpoint}, socket) do
    endpoint_key = String.to_existing_atom(endpoint)
    {:noreply, SettingsEditor.refresh_ai_models(socket, endpoint_key, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("save_settings_ai", _params, socket) do
    {:noreply, SettingsEditor.save_ai(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("reset_settings_ai_prompt", _params, socket) do
    {:noreply, SettingsEditor.reset_ai_prompt(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("save_settings_publishing", _params, socket) do
    {:noreply, SettingsEditor.save_publishing(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("clear_settings_publishing", _params, socket) do
    {:noreply, SettingsEditor.clear_publishing(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("change_settings_new_category", %{"name" => name}, socket) do
    {:noreply, SettingsEditor.update_new_category(socket, name, &reload_shell/2)}
  end

  def handle_event("add_settings_category", _params, socket) do
    {:noreply, SettingsEditor.add_category(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("reset_settings_categories", _params, socket) do
    {:noreply, SettingsEditor.reset_categories(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("save_settings_category", %{"category_settings" => params}, socket) do
    {:noreply, SettingsEditor.save_category(socket, params, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("remove_settings_category", %{"category" => category}, socket) do
    {:noreply, SettingsEditor.remove_category(socket, category, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("settings_shell_command", %{"action" => action}, socket) do
    {:noreply, apply_shell_command(socket, action)}
  end

  def handle_event("toggle_settings_mcp_agent", %{"agent" => agent}, socket) do
    {:noreply, SettingsEditor.toggle_mcp_agent(socket, agent, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("select_style_theme", %{"theme" => theme}, socket) do
    {:noreply, SettingsEditor.select_style_theme(socket, theme, &reload_shell/2)}
  end

  def handle_event("change_style_preview_mode", %{"mode" => mode}, socket) do
    {:noreply, SettingsEditor.change_style_preview_mode(socket, mode, &reload_shell/2)}
  end

  def handle_event("apply_style_theme", _params, socket) do
    {:noreply, SettingsEditor.apply_style_theme(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("menu_editor_select_item", %{"item_id" => item_id}, socket) do
    {:noreply, MenuEditor.select_item(socket, item_id, &reload_shell/2)}
  end

  def handle_event("change_menu_editor_entry", %{"menu_editor_entry" => params}, socket) do
    {:noreply, MenuEditor.change_entry(socket, params, &reload_shell/2)}
  end

  def handle_event("submit_menu_editor_entry", _params, socket) do
    {:noreply, MenuEditor.submit_entry(socket, &reload_shell/2)}
  end

  def handle_event("cancel_menu_editor_entry", _params, socket) do
    {:noreply, MenuEditor.cancel_entry(socket, &reload_shell/2)}
  end

  def handle_event("select_menu_editor_page", %{"post_id" => post_id}, socket) do
    {:noreply, MenuEditor.select_page(socket, post_id, &reload_shell/2)}
  end

  def handle_event("select_menu_editor_category", %{"name" => name}, socket) do
    {:noreply, MenuEditor.select_category(socket, name, &reload_shell/2)}
  end

  def handle_event("menu_editor_toolbar_action", %{"action" => action}, socket) do
    {:noreply, MenuEditor.toolbar_action(socket, action, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event(
        "menu_editor_drop_item",
        %{"drag_item_id" => drag_item_id, "target_item_id" => target_item_id, "position" => position},
        socket
      ) do
    {:noreply, MenuEditor.drop_item(socket, drag_item_id, target_item_id, position, &reload_shell/2)}
  end

  def handle_event("menu_editor_keydown", %{"key" => key}, socket) do
    {:noreply, MenuEditor.handle_keydown(socket, key, &reload_shell/2)}
  end

  def handle_event("toggle_tag_selection", %{"name" => tag_name}, socket) do
    {:noreply, TagsEditor.toggle_selection(socket, tag_name, &reload_shell/2)}
  end

  def handle_event("change_new_tag_editor", %{"new_tag" => params}, socket) do
    {:noreply, TagsEditor.update_new_tag(socket, params, &reload_shell/2)}
  end

  def handle_event("create_tag_editor", _params, socket) do
    {:noreply, TagsEditor.create_tag(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("change_edit_tag_editor", %{"edit_tag" => params}, socket) do
    {:noreply, TagsEditor.update_edit_tag(socket, params, &reload_shell/2)}
  end

  def handle_event("save_tag_editor", _params, socket) do
    {:noreply, TagsEditor.save_tag(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("delete_tag_editor", _params, socket) do
    {:noreply, TagsEditor.delete_selected(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("change_merge_target", %{"target" => target}, socket) do
    {:noreply, TagsEditor.update_merge_target(socket, target, &reload_shell/2)}
  end

  def handle_event("merge_tags_editor", _params, socket) do
    {:noreply, TagsEditor.merge_selected(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("sync_tags_editor", _params, socket) do
    {:noreply, TagsEditor.sync(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("change_script_editor", %{"script_editor" => params}, socket) do
    {:noreply, CodeEntityEditor.update_script(socket, params, &reload_shell/2)}
  end

  def handle_event("save_script_editor", _params, socket) do
    {:noreply, CodeEntityEditor.save_script(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("run_script_editor", _params, socket) do
    {:noreply, CodeEntityEditor.run_script(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("check_script_editor", _params, socket) do
    {:noreply, CodeEntityEditor.check_script(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("delete_script_editor", _params, socket) do
    {:noreply, CodeEntityEditor.delete_script(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("change_template_editor", %{"template_editor" => params}, socket) do
    {:noreply, CodeEntityEditor.update_template(socket, params, &reload_shell/2)}
  end

  def handle_event("save_template_editor", _params, socket) do
    {:noreply, CodeEntityEditor.save_template(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("validate_template_editor", _params, socket) do
    {:noreply, CodeEntityEditor.validate_template(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("delete_template_editor", _params, socket) do
    {:noreply, CodeEntityEditor.delete_template(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("change_chat_editor_input", %{"message" => message}, socket) do
    {:noreply, ChatEditor.update_input(socket, message, &reload_shell/2)}
  end

  def handle_event("toggle_chat_model_selector", _params, socket) do
    {:noreply, ChatEditor.toggle_model_selector(socket, &reload_shell/2)}
  end

  def handle_event("select_chat_model", %{"model" => model_id}, socket) do
    {:noreply, ChatEditor.set_model(socket, model_id, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("send_chat_editor_message", _params, socket) do
    {:noreply, ChatEditor.send_message(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("abort_chat_editor_message", _params, socket) do
    {:noreply, ChatEditor.abort_message(socket, &reload_shell/2)}
  end

  def handle_event("open_chat_settings", _params, socket) do
    {:noreply,
     socket
     |> ChatSurface.clear_action_error()
     |> open_sidebar_item(%{"route" => "settings", "id" => "settings-ai", "title" => "Settings", "subtitle" => "AI"}, :pin)}
  end

  def handle_event("change_chat_surface_form", %{"surface" => %{"id" => surface_id, "fields" => fields}}, socket) do
    {:noreply, ChatEditor.update_surface_form(socket, surface_id, fields, &reload_shell/2)}
  end

  def handle_event("select_chat_surface_tab", %{"surface-id" => surface_id, "index" => index}, socket) do
    {:noreply, ChatEditor.select_surface_tab(socket, surface_id, parse_integer(index), &reload_shell/2)}
  end

  def handle_event("chat_surface_action", params, socket) do
    {:noreply,
     ChatSurface.handle_action(socket, params, %{
       reload: &reload_shell/2,
       open_sidebar: &open_sidebar_item/3
     })}
  end

  def handle_event("change_import_editor_definition", %{"import_definition" => params}, socket) do
    {:noreply, ImportEditor.change_definition(socket, params, &reload_shell/2)}
  end

  def handle_event("select_import_uploads_folder", _params, socket) do
    {:noreply, ImportEditor.select_uploads_folder(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("select_import_wxr_file", _params, socket) do
    {:noreply, ImportEditor.select_and_analyze(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("execute_import_editor", _params, socket) do
    {:noreply, ImportEditor.execute_import(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("change_import_conflict_resolution", params, socket) do
    {:noreply, ImportEditor.change_conflict_resolution(socket, params, &reload_shell/2)}
  end

  def handle_event("start_import_taxonomy_edit", params, socket) do
    {:noreply, ImportEditor.start_taxonomy_edit(socket, params, &reload_shell/2)}
  end

  def handle_event("save_import_taxonomy_edit", params, socket) do
    {:noreply, ImportEditor.save_taxonomy_edit(socket, params, &reload_shell/2)}
  end

  def handle_event("cancel_import_taxonomy_edit", _params, socket) do
    {:noreply, ImportEditor.cancel_taxonomy_edit(socket, &reload_shell/2)}
  end

  def handle_event("clear_import_taxonomy_mapping", params, socket) do
    {:noreply, ImportEditor.clear_taxonomy_mapping(socket, params, &reload_shell/2)}
  end

  def handle_event("toggle_import_section", %{"section" => section}, socket) do
    {:noreply, ImportEditor.toggle_section(socket, section, &reload_shell/2)}
  end

  def handle_event("toggle_import_ai_model_selector", _params, socket) do
    {:noreply, ImportEditor.toggle_model_selector(socket, &reload_shell/2)}
  end

  def handle_event("select_import_ai_model", %{"model" => model_id}, socket) do
    {:noreply, ImportEditor.select_ai_model(socket, model_id, &reload_shell/2)}
  end

  def handle_event("analyze_import_taxonomy_ai", _params, socket) do
    {:noreply, ImportEditor.analyze_taxonomy_ai(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("rerun_misc_editor", _params, socket) do
    case MiscEditor.rerun(socket) do
      {:command, action} -> {:noreply, apply_shell_command(socket, action)}
      {:noop, next_socket} -> {:noreply, next_socket}
    end
  end

  def handle_event("apply_site_validation", _params, socket) do
    case MiscEditor.apply_site_validation(socket, &append_output_entry/5) do
      {:rerun, next_socket} -> {:noreply, apply_shell_command(next_socket, "validate_site")}
      {:socket, next_socket} -> {:noreply, next_socket}
    end
  end

  def handle_event("fix_translation_validation", _params, socket) do
    case MiscEditor.fix_translation_validation(socket, &append_output_entry/5) do
      {:rerun, next_socket} -> {:noreply, apply_shell_command(next_socket, "validate_translations")}
      {:socket, next_socket} -> {:noreply, next_socket}
    end
  end

  def handle_event("select_git_diff_file", %{"path" => path}, socket) do
    {:noreply, socket |> MiscEditor.select_git_diff_file(path) |> assign_misc_editor()}
  end

  def handle_event("toggle_duplicate_pair", %{"pair-id" => pair_id}, socket) do
    {:noreply, MiscEditor.toggle_duplicate(socket, pair_id, &reload_shell/2)}
  end

  def handle_event("dismiss_duplicate_pair", %{"post-id-a" => post_id_a, "post-id-b" => post_id_b}, socket) do
    {:noreply, MiscEditor.dismiss_duplicate(socket, post_id_a, post_id_b, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("dismiss_selected_duplicates", _params, socket) do
    {:noreply, MiscEditor.dismiss_selected(socket, &reload_shell/2, &append_output_entry/5)}
  end

  def handle_event("repair_metadata_diff", %{"field" => field, "direction" => direction}, socket) do
    case MiscEditor.metadata_diff_repair_request(socket, field, direction) do
      {:ok, params} -> {:noreply, apply_shell_command(socket, "repair_metadata_diff", params)}
      {:error, message} -> {:noreply, append_output_entry(socket, translate_for_socket(socket, "Metadata Diff"), message, nil, "error")}
    end
  end

  def handle_event("import_metadata_diff_orphans", _params, socket) do
    case MiscEditor.metadata_diff_orphan_import_request(socket) do
      {:ok, params} -> {:noreply, apply_shell_command(socket, "import_metadata_diff_orphans", params)}
      {:error, message} -> {:noreply, append_output_entry(socket, translate_for_socket(socket, "Metadata Diff"), message, nil, "error")}
    end
  end

  def handle_event("select_metadata_diff_tab", %{"tab" => tab}, socket) do
    tab_id = socket.assigns.current_tab.id

    socket =
      socket
      |> assign(:metadata_diff_active_tabs, Map.put(socket.assigns.metadata_diff_active_tabs, tab_id, tab))
      |> assign(:metadata_diff_field_filters, Map.delete(socket.assigns.metadata_diff_field_filters, tab_id))
      |> assign_misc_editor()

    {:noreply, socket}
  end

  def handle_event("toggle_metadata_diff_field", %{"field" => field}, socket) do
    tab_id = socket.assigns.current_tab.id
    current = Map.get(socket.assigns.metadata_diff_field_filters, tab_id)

    next_filters =
      if current == field do
        Map.delete(socket.assigns.metadata_diff_field_filters, tab_id)
      else
        Map.put(socket.assigns.metadata_diff_field_filters, tab_id, field)
      end

    {:noreply, socket |> assign(:metadata_diff_field_filters, next_filters) |> assign_misc_editor()}
  end

  def handle_event("open_duplicate_post", %{"id" => id, "title" => title}, socket) do
    {:noreply, open_sidebar_item(socket, %{"route" => "post", "id" => id, "title" => title, "subtitle" => "draft"}, :preview)}
  end

  def handle_event("open_overlay", %{"kind" => kind}, socket) do
    socket =
      case socket.assigns[:current_tab] do
        %{type: :post, id: post_id} when kind in ["ai_suggestions", "language_picker"] ->
          assign(socket, :post_editor_quick_actions_open, Map.put(socket.assigns.post_editor_quick_actions_open, post_id, false))

        %{type: :media, id: media_id} when kind in ["ai_suggestions", "language_picker", "confirm_delete"] ->
          assign(socket, :media_editor_quick_actions_open, Map.put(socket.assigns.media_editor_quick_actions_open, media_id, false))

        _other ->
          socket
      end

    overlay =
      with overlay_kind when not is_nil(overlay_kind) <- ShellOverlayComponents.kind(kind),
           %{type: route} <- socket.assigns[:current_tab] do
        tab = socket.assigns.current_tab
        title = tab_title(tab, socket.assigns.tab_meta)
        subtitle = tab_subtitle(tab, socket.assigns.tab_meta)
        Overlay.open(route, overlay_kind, ShellOverlayComponents.context(socket.assigns, title, subtitle))
      end

    {:noreply, assign(socket, :shell_overlay, overlay)}
  end

  def handle_event("close_overlay", _params, socket) do
    {:noreply, assign(socket, :shell_overlay, nil)}
  end

  def handle_event("overlay_keydown", %{"key" => key}, socket) do
    socket =
      case {socket.assigns[:shell_overlay], key} do
        {nil, _other} -> socket
        {_overlay, "Escape"} -> assign(socket, :shell_overlay, nil)
        {%{kind: :gallery} = overlay, "ArrowLeft"} -> assign(socket, :shell_overlay, Overlay.lightbox_previous(overlay))
        {%{kind: :gallery} = overlay, "ArrowRight"} -> assign(socket, :shell_overlay, Overlay.lightbox_next(overlay))
        _other -> socket
      end

    {:noreply, socket}
  end

  def handle_event("overlay_toggle_ai_field", %{"key" => key}, socket) do
    {:noreply, update_shell_overlay(socket, &Overlay.toggle_ai_field(&1, key))}
  end

  def handle_event("overlay_set_search", %{"overlay" => %{"query" => query}}, socket) do
    {:noreply, update_shell_overlay(socket, &Overlay.set_search_query(&1, query))}
  end

  def handle_event("overlay_set_tab", %{"tab" => tab}, socket) do
    {:noreply, update_shell_overlay(socket, &Overlay.set_active_tab(&1, ShellOverlayComponents.tab(tab)))}
  end

  def handle_event("overlay_update_form", %{"overlay" => params}, socket) do
    socket =
      socket
      |> update_shell_overlay(&Overlay.update_form_value(&1, :external_url, Map.get(params, "url", "")))
      |> update_shell_overlay(&Overlay.update_form_value(&1, :external_text, Map.get(params, "text", "")))

    {:noreply, socket}
  end

  def handle_event("overlay_select_result", %{"id" => id}, socket) do
    overlay = socket.assigns[:shell_overlay]
    current_tab = socket.assigns[:current_tab]

    socket =
      case {overlay, current_tab} do
        {%{kind: :insert_link}, %{type: :post, id: post_id}} ->
          case Overlay.insert_link_result(overlay, id) do
            nil -> socket
            result -> PostEditor.insert_content(socket, post_id, ShellOverlayComponents.markdown_link(result.title, result.canonical_url), &reload_shell/2)
          end

        {%{kind: :insert_media}, %{type: :post, id: post_id}} ->
          case Overlay.insert_media_result(overlay, id) do
            nil -> socket
            result ->
              syntax =
                if result.is_image do
                  "![#{result.title}](bds-media://#{result.media_id})"
                else
                  "[#{result.original_name}](bds-media://#{result.media_id})"
                end

              PostEditor.insert_content(socket, post_id, syntax, &reload_shell/2)
          end

        _other ->
          socket
      end

    {:noreply, socket}
  end

  def handle_event("overlay_insert_external", _params, socket) do
    current_tab = socket.assigns[:current_tab]

    socket =
      case {socket.assigns[:shell_overlay], current_tab} do
        {%{kind: :insert_link} = overlay, %{type: :post, id: post_id}} ->
          details =
            case {overlay.external_url, String.trim(overlay.external_text || "")} do
              {"", _text} -> nil
              {url, ""} -> url
              {url, text} -> ShellOverlayComponents.markdown_link(text, url)
            end

          if details do
            PostEditor.insert_content(socket, post_id, details, &reload_shell/2)
          else
            socket
          end

        _other ->
          socket
      end

    {:noreply, socket}
  end

  def handle_event("overlay_select_language", %{"code" => code}, socket) do
    current_tab = socket.assigns[:current_tab]

    socket =
      case {socket.assigns[:shell_overlay], current_tab} do
        {%{kind: :language_picker}, %{type: :post, id: post_id}} ->
          PostEditor.translate(socket, post_id, code, &reload_shell/2, &append_output_entry/5)

        {%{kind: :language_picker}, %{type: :media, id: media_id}} ->
          MediaEditor.translate(socket, media_id, code, &reload_shell/2, &append_output_entry/5)

        _other -> socket
      end

    {:noreply, socket}
  end

  def handle_event("overlay_confirm", _params, socket) do
    current_tab = socket.assigns[:current_tab]

    socket =
      case {socket.assigns[:shell_overlay], current_tab} do
        {%{kind: :ai_suggestions} = overlay, %{type: :post, id: post_id}} ->
          PostEditor.apply_ai_suggestions(
            socket,
            post_id,
            Overlay.selected_ai_fields(overlay),
            &reload_shell/2,
            &append_output_entry/5
          )

        {%{kind: :ai_suggestions} = overlay, %{type: :media, id: media_id}} ->
          MediaEditor.apply_ai_suggestions(
            socket,
            media_id,
            Overlay.selected_ai_fields(overlay),
            &reload_shell/2,
            &append_output_entry/5
          )

        {%{kind: :confirm_delete}, %{type: :media, id: media_id}} ->
          MediaEditor.delete_socket(socket, media_id, &reload_shell/2, &append_output_entry/5)

        {%{kind: :confirm_delete, title: title, entity_name: entity_name}, _tab} ->
          close_overlay_with_output(socket, title, entity_name)

        {%{kind: :confirm_dialog, title: title, message: message}, _tab} ->
          close_overlay_with_output(socket, title, message)

        _other ->
          socket
      end

    {:noreply, socket}
  end

  def handle_event("overlay_select_gallery_image", %{"id" => id}, socket) do
    {:noreply, update_shell_overlay(socket, &Overlay.select_gallery_image(&1, id))}
  end

  def handle_event("overlay_close_lightbox", _params, socket) do
    {:noreply, update_shell_overlay(socket, &Overlay.close_lightbox/1)}
  end

  def handle_event("overlay_lightbox_previous", _params, socket) do
    {:noreply, update_shell_overlay(socket, &Overlay.lightbox_previous/1)}
  end

  def handle_event("overlay_lightbox_next", _params, socket) do
    {:noreply, update_shell_overlay(socket, &Overlay.lightbox_next/1)}
  end

  def handle_event("toggle_project_menu", _params, socket) do
    {:noreply, assign(socket, :project_menu_open, not socket.assigns.project_menu_open)}
  end

  def handle_event("close_project_menu", _params, socket) do
    {:noreply, assign(socket, :project_menu_open, false)}
  end

  def handle_event("select_project", %{"project_id" => project_id}, socket) do
    {:noreply, activate_project(socket, project_id, "Select Project", fn project -> "Activated #{project.name}" end)}
  end

  def handle_event("create_project", _params, socket) do
    attrs = %{name: SessionUtil.next_project_name(socket.assigns.projects.projects)}

    socket =
      case Projects.create_project(attrs) do
        {:ok, project} -> activate_project(socket, project.id, "New Project", fn created -> "Activated #{created.name}" end)
        {:error, reason} -> append_output_entry(socket, "New Project", inspect(reason), nil, "error")
      end

    {:noreply, socket}
  end

  def handle_event("import_project", _params, socket) do
    socket =
      case FolderPicker.choose_directory("Open Existing Blog") do
        {:ok, path} ->
          name = path |> Path.basename() |> String.trim() |> case do
            "" -> "Imported Blog"
            value -> value
          end

          case Projects.create_project(%{name: name, data_path: path}) do
            {:ok, project} -> activate_project(socket, project.id, "Open Existing Blog", fn imported -> "Activated #{imported.name}" end)
            {:error, reason} -> append_output_entry(socket, "Open Existing Blog", inspect(reason), nil, "error")
          end

        :cancel -> assign(socket, :project_menu_open, false)
        {:error, %{message: message}} -> append_output_entry(socket, "Open Existing Blog", message, nil, "error")
      end

    {:noreply, socket}
  end

  def handle_event("change_ui_language", %{"ui_language" => language}, socket) do
    {:noreply, set_page_language(socket, language)}
  end

  def handle_event("sync_ui_language", %{"language" => language}, socket) do
    {:noreply, set_page_language(socket, language)}
  end

  def handle_event("restore_workbench_session", %{"session" => session_payload}, socket) when is_map(session_payload) do
    {:noreply, reload_shell(socket, SessionUtil.restore_workbench_session(session_payload))}
  end

  def handle_event("native_menu_action", %{"action" => action}, socket) do
    {:noreply, handle_native_menu_action(socket, action)}
  end

  def handle_event("titlebar_menu_keydown", %{"key" => key}, socket) do
    {:noreply, TitlebarMenu.handle_keydown(socket, key, &handle_native_menu_action/2)}
  end

  def handle_event("toggle_titlebar_menu", %{"group" => group}, socket) do
    {:noreply, TitlebarMenu.toggle(socket, group)}
  end

  def handle_event("hover_titlebar_menu", %{"group" => group}, socket) do
    {:noreply, TitlebarMenu.hover(socket, group)}
  end

  def handle_event("close_titlebar_menu", _params, socket) do
    {:noreply, TitlebarMenu.close(socket)}
  end

  def handle_event("titlebar_menu_action", %{"action" => action}, socket) do
    {:noreply,
     socket
     |> TitlebarMenu.close()
     |> handle_native_menu_action(action)}
  end

  @impl true
  def handle_info({ref, result}, socket) when is_reference(ref) do
    Process.demonitor(ref, [:flush])

    cond do
      Map.has_key?(socket.assigns.import_editor_analysis_task_refs, ref) ->
        {:noreply, ImportEditor.finish_analysis(socket, ref, result, &reload_shell/2, &append_output_entry/5)}

      Map.has_key?(socket.assigns.import_editor_execution_task_refs, ref) ->
        {:noreply, ImportEditor.finish_execution(socket, ref, result, &reload_shell/2, &append_output_entry/5)}

      true ->
        {:noreply, ChatEditor.finish_request(socket, ref, result, &reload_shell/2, &append_output_entry/5)}
    end
  end

  def handle_info({:DOWN, ref, :process, _pid, reason}, socket) when is_reference(ref) do
    next_socket =
      cond do
        Map.has_key?(socket.assigns.import_editor_analysis_task_refs, ref) ->
          ImportEditor.handle_task_down(socket, :analysis, ref, reason, &reload_shell/2, &append_output_entry/5)

        Map.has_key?(socket.assigns.import_editor_execution_task_refs, ref) ->
          ImportEditor.handle_task_down(socket, :execution, ref, reason, &reload_shell/2, &append_output_entry/5)

        true ->
          case reason do
            :normal -> socket
            _other -> ChatEditor.finish_request(socket, ref, {:error, :cancelled}, &reload_shell/2, &append_output_entry/5)
          end
      end

    {:noreply, next_socket}
  end

  def handle_info({:import_analysis_progress, definition_id, step, detail}, socket) do
    {:noreply, ImportEditor.note_analysis_progress(socket, definition_id, step, detail, &reload_shell/2)}
  end

  def handle_info({:import_execution_progress, definition_id, phase, current, total, detail}, socket) do
    {:noreply, ImportEditor.note_execution_progress(socket, definition_id, phase, current, total, detail, &reload_shell/2)}
  end

  def handle_info({:chat_tool_call, conversation_id, tool_call}, socket) do
    {:noreply, ChatEditor.note_tool_call(socket, conversation_id, tool_call, &reload_shell/2)}
  end

  def handle_info({:chat_tool_result, conversation_id, name}, socket) do
    {:noreply, ChatEditor.note_tool_result(socket, conversation_id, name, &reload_shell/2)}
  end

  def handle_info({:chat_streaming_content, conversation_id, content}, socket) do
    {:noreply, ChatEditor.note_streaming_content(socket, conversation_id, content, &reload_shell/2)}
  end

  def handle_info({:entity_changed, payload}, socket) when is_map(payload) do
    {:noreply, CliSync.apply_entity_change(socket, payload, &reload_shell/2)}
  end

  def handle_info(:refresh_task_status, socket) do
    raw_task_status = BDS.Tasks.status_snapshot()

    case SessionUtil.next_completed_task_result(socket, raw_task_status) do
      nil ->
        task_status = localize_task_status(raw_task_status, socket.assigns.page_language)

        {:noreply,
         socket
         |> assign(:task_status, task_status)
         |> assign(:editor_meta, ShellData.editor_meta(task_status))
         |> assign(
           :status,
           ShellData.status_bar(socket.assigns.workbench, task_status, socket.assigns.dashboard,
             ui_language: socket.assigns.page_language,
             offline_mode: socket.assigns.offline_mode
           )
         )}

      task ->
        {:noreply,
         socket
         |> SessionUtil.mark_task_result_handled(task.id)
         |> apply_shell_command_result(task.result)}
    end
  end

  @impl true
  def render(assigns) do
    UILocale.put(assigns.page_language)
    index(assigns)
  end

  defp reload_shell(socket, workbench) do
    projects = ShellData.project_snapshot()
    dashboard = ShellData.dashboard(projects.active_project_id)
    git_badge_count = ShellData.git_badge_count(projects.active_project_id)
    active_view_id = Atom.to_string(workbench.active_view)
    sidebar_data = ShellData.sidebar_view(projects.active_project_id, active_view_id, ShellSidebarState.current_filters(socket, active_view_id))
    sidebar_data = ShellSidebarState.merge_ui_state(socket, active_view_id, sidebar_data)
    raw_task_status = BDS.Tasks.status_snapshot()
    activity_buttons = Workbench.activity_buttons(workbench, git_badge_count)
    page_language = socket.assigns[:page_language] || ShellData.ui_language()
    offline_mode =
      if connected?(socket) do
        Map.get(socket.assigns, :offline_mode, AI.airplane_mode?(true))
      else
        Map.get(socket.assigns, :offline_mode, true)
      end

    task_status = localize_task_status(raw_task_status, page_language)

    socket
    |> assign(:workbench, workbench)
    |> assign(:projects, projects)
    |> assign(:current_project, ShellData.current_project(projects))
    |> assign(:dashboard, dashboard)
    |> assign(:dashboard_timeline_entries, Map.get(dashboard, :timeline_entries, []))
    |> assign(:dashboard_category_counts, Map.get(dashboard, :category_counts, []))
    |> assign(:dashboard_recent_posts, Map.get(dashboard, :recent_posts, []))
    |> assign(:dashboard_tag_cloud_items, ShellData.dashboard_tag_cloud_items(Map.get(dashboard, :tag_cloud_items, [])))
    |> assign(:sidebar_data, sidebar_data)
    |> assign(:sidebar_header, active_sidebar_label(activity_buttons, workbench.active_view, sidebar_data))
    |> assign(:assistant_cards, ShellData.assistant_cards())
    |> assign(:editor_meta, ShellData.editor_meta(task_status))
    |> assign(:task_status, task_status)
    |> assign(
      :status,
      ShellData.status_bar(workbench, task_status, dashboard,
        ui_language: page_language,
        offline_mode: offline_mode
      )
    )
    |> assign(:activity_buttons, activity_buttons)
    |> assign(:panel_tabs, ShellData.panel_tabs(workbench))
    |> assign(:supported_ui_languages, ShellData.supported_ui_languages())
    |> assign(:menu_groups, socket.assigns[:menu_groups] || TitlebarMenu.groups())
    |> assign(:titlebar_menu_item_index, socket.assigns[:titlebar_menu_item_index])
    |> assign(:current_tab, current_tab(workbench))
    |> assign_post_editor()
    |> assign_media_editor()
    |> assign_settings_editor()
    |> assign_menu_editor()
    |> assign_tags_editor()
    |> assign_code_entity_editor()
    |> assign_chat_editor()
    |> assign_import_editor()
    |> assign_misc_editor()
  end

  defp translated(text, bindings \\ %{}), do: ShellData.translate(text, bindings, UILocale.current())

  defp encoded_shortcuts(shortcuts), do: Jason.encode!(shortcuts)

  defp encoded_workbench_session(workbench), do: Jason.encode!(Session.serialize(workbench))

  defp panel_tab_label(:tasks), do: translated("Tasks")
  defp panel_tab_label(:output), do: translated("Output")
  defp panel_tab_label(:git_log), do: translated("Git Log")
  defp panel_tab_label(tab), do: ShellData.route_label(tab)

  defp activity_label("AI Assistant"), do: "Chat"
  defp activity_label("Source Control"), do: "Git"
  defp activity_label(label), do: translated(label)

  defp active_sidebar_label(activity_buttons, active_view, sidebar_data) do
    Enum.find_value(activity_buttons, translated(Map.get(sidebar_data, :title, "")), fn button ->
      if button.id == active_view, do: activity_label(button.label), else: nil
    end)
  end

  defp sidebar_header_label(label), do: translated(label)

  defp timeline_height(entry, entries) do
    max_count =
      entries
      |> Enum.map(&(&1.count || 0))
      |> Enum.max(fn -> 1 end)

    max(4, ((entry.count || 0) / max_count) * 100)
  end

  defp current_tab(%{active_tab: nil}), do: nil

  defp current_tab(%{tabs: tabs, active_tab: {type, id}}) do
    Enum.find(tabs, &(&1.type == type and &1.id == id))
  end

  defp assign_post_editor(socket) do
    PostEditor.assign_socket(socket)
  end

  defp assign_media_editor(socket) do
    MediaEditor.assign_socket(socket)
  end

  defp assign_settings_editor(socket) do
    SettingsEditor.assign_socket(socket)
  end

  defp assign_menu_editor(socket) do
    MenuEditor.assign_socket(socket)
  end

  defp assign_tags_editor(socket) do
    TagsEditor.assign_socket(socket)
  end

  defp assign_code_entity_editor(socket) do
    CodeEntityEditor.assign_socket(socket)
  end

  defp assign_chat_editor(socket) do
    ChatEditor.assign_socket(socket)
  end

  defp assign_import_editor(socket) do
    ImportEditor.assign_socket(socket)
  end

  defp assign_misc_editor(socket) do
    MiscEditor.assign_socket(socket)
  end


  defp create_sidebar_item(socket, kind),
    do: SidebarCreate.create(socket, kind, sidebar_create_callbacks())

  defp sidebar_create_callbacks do
    %{
      reload: &reload_shell/2,
      open_sidebar: &open_sidebar_item/3,
      append_output: &append_output_entry/5
    }
  end

  defp open_sidebar_item(socket, params, intent) do
    route_atom = sidebar_route_atom(Map.fetch!(params, "route"))
    tab_id = tab_id_for_route(route_atom, Map.fetch!(params, "id"))

    workbench =
      Workbench.open_tab(socket.assigns.workbench, route_atom, tab_id, tab_intent(route_atom, intent))

    tab_meta =
      Map.put(socket.assigns.tab_meta, {route_atom, tab_id}, %{
        sidebar_item_id: Map.get(params, "id"),
        title: Map.get(params, "title", ""),
        subtitle: Map.get(params, "subtitle", "")
      })

    socket
    |> assign(:tab_meta, tab_meta)
    |> reload_shell(workbench)
  end

  defp sidebar_create_action(view), do: SidebarCreate.action(view)

  defp set_page_language(socket, language) do
    codes = Enum.map(socket.assigns[:supported_ui_languages] || ShellData.supported_ui_languages(), & &1.code)

    normalized =
      language
      |> to_string()
      |> String.trim()
      |> case do
        value -> if(value in codes, do: value, else: socket.assigns.page_language)
      end

    if normalized == socket.assigns.page_language do
      socket
    else
      socket
      |> assign(:page_language, normalized)
      |> reload_shell(socket.assigns.workbench)
    end
  end

  defp activate_project(socket, project_id, title, message_fun) do
    cond do
      project_id == socket.assigns.projects.active_project_id -> assign(socket, :project_menu_open, false)
      true ->
        case Projects.set_active_project(project_id) do
          {:ok, project} ->
            socket
            |> assign(:project_menu_open, false)
            |> assign(:sidebar_filters_by_view, %{})
            |> append_output_entry(title, message_fun.(project))
            |> reload_shell(Workbench.new())

          {:error, reason} ->
            socket
            |> assign(:project_menu_open, false)
            |> append_output_entry(title, inspect(reason), nil, "error")
        end
    end
  end

  defp append_output_entry(socket, title, message, details \\ nil, level \\ "info") do
    entry = %{title: title, message: message, details: details, level: level}
    entries = [entry | socket.assigns.output_entries] |> Enum.take(@output_entry_limit)
    assign(socket, :output_entries, entries)
  end

  defp handle_native_menu_action(socket, action) do
    with action_atom when not is_nil(action_atom) <- safe_existing_atom(action) do
      if MapSet.member?(@local_menu_actions, action_atom) do
        reload_shell(socket, MenuBar.execute(socket.assigns.workbench, action_atom))
      else
        apply_shell_command(socket, action)
      end
    else
      _other -> append_output_entry(socket, "Menu", "Unsupported shell command", action, "error")
    end
  end

  defp apply_shell_command(socket, action, params \\ %{}),
    do: ShellCommandRunner.execute(socket, action, params, shell_command_callbacks())

  defp apply_shell_command_result(socket, result),
    do: ShellCommandRunner.apply_result(socket, result, shell_command_callbacks())

  defp shell_command_callbacks do
    %{
      reload: &reload_shell/2,
      append_output: &append_output_entry/5
    }
  end

  defp safe_existing_atom(action), do: ShellCommandRunner.safe_existing_atom(action)

  defp mac_ui? do
    case Application.get_env(:bds, :shell_platform) do
      nil -> match?({:unix, :darwin}, :os.type())
      platform -> match?({:unix, :darwin}, platform)
    end
  end

  defp update_shell_overlay(socket, updater),
    do: ChatSurface.update_shell_overlay(socket, updater)

  defp close_overlay_with_output(socket, title, details) do
    socket
    |> append_output_entry(title, translated("Command completed"), details)
    |> assign(:shell_overlay, nil)
  end

end