defmodule <%= inspect Module.concat(@web_module, @resource_alias) %>Live.Form do

  use <%= @web_module %>, :live_view

  @impl true
  def render(assigns) do
    ~H"""
    <Layouts.app flash={@flash}>
      <.header>
        <%%= @page_title %>
        <:subtitle>Use this form to manage <%= @resource_singular %> records in your database.</:subtitle>
      </.header>

      <.form
        for={@form}
        id="<%= @resource_singular %>-form"
        phx-change="validate"
        phx-submit="save"
      >
        <%= cond do %>
          <% @create_action && @update_action -> %>
            <%= if @create_inputs == @update_inputs do %>
              <%= @create_inputs %>
            <% else %>
              <%%= if @form.source.type == :create do %>
                <%= @create_inputs %>
              <%% end %>
              <%%= if @form.source.type == :update do %>
                <%= @update_inputs %>
              <%% end %>
            <% end %>
          <% @create_action -> %>
            <%= @create_inputs %>
          <% @update_action -> %>
            <%= @update_inputs %>
        <% end %>
        <.button phx-disable-with="Saving..." variant="primary">Save <%= @resource_human_singular %></.button>
        <.button navigate={return_path(@return_to, @<%= @resource_singular %>)} >Cancel</.button>
      </.form>
    </div>
    """
  end

  @impl true
  def mount(params, _session, socket) do
    <%= @resource_singular %> =
      case params["id"] do
        nil -> nil
        id -> Ash.get!(<%= inspect Module.concat(Elixir, @resource) %>, id<%= @actor_opt %>)
      end

    action = if is_nil(<%= @resource_singular %>), do: "New", else: "Edit"
    page_title = action <> " " <> <%= inspect @resource_human_singular %>
    {:ok,
     socket
     |> assign(:return_to, return_to(params["return_to"]))
     |> assign(<%= @resource_singular %>: <%= @resource_singular %>)
     |> assign(:page_title, page_title)
     |> assign_form()}
  end

  defp return_to("show"), do: "show"
  defp return_to(_), do: "index"

  @impl true
  def handle_event("validate", %{"<%= @resource_singular %>" => <%= @resource_singular %>_params}, socket) do
    {:noreply, assign(socket, form: AshPhoenix.Form.validate(socket.assigns.form, <%= @resource_singular %>_params))}
  end

  def handle_event("save", %{"<%= @resource_singular %>" => <%= @resource_singular %>_params}, socket) do
    case AshPhoenix.Form.submit(socket.assigns.form, params: <%= @resource_singular %>_params) do
      {:ok, <%= @resource_singular %>} ->
        notify_parent({:saved, <%= @resource_singular %>})

      socket =
        socket
        <%= cond do %>
          <% @update_action && @create_action -> %>
            |> put_flash(:info, "<%= @resource_human_singular %> #{socket.assigns.form.source.type}d successfully")
          <% @update_action -> %>
              |> put_flash(:info, "<%= @resource_human_singular %> updated successfully")
          <% @create_action -> %>
              |> put_flash(:info, "<%= @resource_human_singular %> created successfully")
        <% end %>
        |> push_navigate(to: return_path(socket.assigns.return_to, <%= @resource_singular %>))

      {:noreply, socket}

      {:error, form} ->
        {:noreply, assign(socket, form: form)}
    end
  end

  defp notify_parent(msg), do: send(self(), {__MODULE__, msg})

  defp assign_form(%{assigns: %{<%= @resource_singular %>: <%= @resource_singular %>}} = socket) do
    form =
      <%= cond do %>
        <% @update_action && @create_action -> %>
          if <%= @resource_singular %> do
            AshPhoenix.Form.for_update(<%= @resource_singular %>, <%= inspect @update_action.name %>, as: <%= inspect @resource_singular %><%= @actor_opt %>)
          else
            AshPhoenix.Form.for_create(<%= @resource %>, <%= inspect @create_action.name %>, as: <%= inspect @resource_singular %><%= @actor_opt %>)
          end
        <% @update_action -> %>
          AshPhoenix.Form.for_update(<%= @resource_singular %>, <%= inspect @update_action.name %>, as: <%= inspect @resource_singular %><%= @actor_opt %>)
        <% @create_action -> %>
          AshPhoenix.Form.for_create(<%= @resource_singular %>, <%= inspect @create_action.name %>, as: <%= inspect @resource_singular %><%= @actor_opt %>)
      <% end %>

    assign(socket, form: to_form(form))
  end

  defp return_path("index", _<%= @resource_singular %>), do: ~p"<%= @route_prefix %>"
  defp return_path("show", <%= @resource_singular %>), do: ~p"<%= @route_prefix %>/#{<%= @resource_singular %>.id}"
end