mitgliederverwaltung/lib/mv_web/live/custom_field_live/show.ex

defmodule MvWeb.CustomFieldLive.Show do
  @moduledoc """
  LiveView for displaying a single custom field's details (admin).

  ## Features
  - Display custom field definition
  - Show all attributes (name, value type, description, flags)
  - Navigate to edit form
  - Return to custom field list

  ## Displayed Information
  - Name: Unique identifier
  - Value type: Data type constraint
  - Description: Optional explanation
  - Immutable flag: Whether values can be changed
  - Required flag: Whether all members need this custom field

  ## Navigation
  - Back to custom field list
  - Edit custom field

  ## Security
  Custom field details are restricted to admin users.
  """
  use MvWeb, :live_view

  @impl true
  def render(assigns) do
    ~H"""
    <Layouts.app flash={@flash} current_user={@current_user}>
      <.header>
        Custom field {@custom_field.id}
        <:subtitle>This is a custom_field record from your database.</:subtitle>

        <:actions>
          <.button navigate={~p"/custom_fields"}>
            <.icon name="hero-arrow-left" />
          </.button>
          <.button
            variant="primary"
            navigate={~p"/custom_fields/#{@custom_field}/edit?return_to=show"}
          >
            <.icon name="hero-pencil-square" /> Edit Custom field
          </.button>
        </:actions>
      </.header>

      <.list>
        <:item title="Id">{@custom_field.id}</:item>

        <:item title="Name">{@custom_field.name}</:item>

        <:item title="Description">{@custom_field.description}</:item>
      </.list>
    </Layouts.app>
    """
  end

  @impl true
  def mount(%{"id" => id}, _session, socket) do
    {:ok,
     socket
     |> assign(:page_title, "Show Custom field")
     |> assign(:custom_field, Ash.get!(Mv.Membership.CustomField, id))}
  end
end