defmodule Corex.Tabs.Connect do
  @moduledoc false
  alias Corex.Tabs.Anatomy.{Props, Root, List, Trigger, Content}

  defp data_attr(true), do: ""
  defp data_attr(false), do: nil
  defp data_attr(nil), do: nil

  @spec props(Props.t()) :: map()
  def props(assigns) do
    %{
      "id" => assigns.id,
      "data-default-value" =>
        if assigns.controlled do
          nil
        else
          assigns.value
        end,
      "data-value" =>
        if assigns.controlled do
          assigns.value
        else
          nil
        end,
      "data-controlled" => data_attr(assigns.controlled),
      "data-orientation" => assigns.orientation,
      "data-on-value-change" => assigns.on_value_change,
      "data-on-value-change-client" => assigns.on_value_change_client,
      "data-on-focus-change" => assigns.on_focus_change,
      "data-on-focus-change-client" => assigns.on_focus_change_client,
      "data-dir" => assigns.dir
    }
  end

  @spec root(Root.t()) :: map()
  def root(assigns) do
    %{
      "data-scope" => "tabs",
      "data-part" => "root",
      "dir" => assigns.dir,
      "data-orientation" => assigns.orientation,
      "id" => "tabs:#{assigns.id}"
    }
  end

  @spec list(List.t()) :: map()
  def list(assigns) do
    %{
      "data-scope" => "tabs",
      "data-part" => "list",
      "role" => "tablist",
      "dir" => assigns.dir,
      "data-orientation" => assigns.orientation,
      "id" => "tabs:#{assigns.id}:list"
    }
  end

  @spec trigger(Trigger.t()) :: map()
  def trigger(assigns) do
    expanded = assigns.value in assigns.values

    %{
      "data-scope" => "tabs",
      "data-part" => "trigger",
      "data-value" => assigns.value,
      "type" => "button",
      "tabindex" => if(assigns.disabled, do: -1, else: 0),
      "aria-expanded" => if(expanded, do: "true", else: "false"),
      "aria-selected" => if(expanded, do: "true", else: "false"),
      "aria-disabled" => if(assigns.disabled, do: "true", else: "false"),
      "data-disabled" => assigns.disabled,
      "data-selected" => data_attr(expanded),
      "disabled" => assigns.disabled,
      "data-orientation" => assigns.orientation,
      "dir" => assigns.dir,
      "id" => "tabs:#{assigns.id}:trigger:#{assigns.value}",
      "data-controls" => "tabs:#{assigns.id}:content:#{assigns.value}",
      "aria-controls" => "tabs:#{assigns.id}:content:#{assigns.value}",
      "data-ownedby" => "tabs:#{assigns.id}",
      "role" => "tab"
    }
  end

  @spec content(Content.t()) :: map()
  def content(assigns) do
    expanded = assigns.value in assigns.values
    data_state = if expanded, do: "open", else: "closed"

    %{
      "data-scope" => "tabs",
      "data-part" => "content",
      "role" => "region",
      "data-state" => data_state,
      "data-disabled" => assigns.disabled,
      "data-orientation" => assigns.orientation,
      "dir" => assigns.dir,
      "aria-labelledby" => "tabs:#{assigns.id}:trigger:#{assigns.value}",
      "hidden" => !expanded,
      "id" => "tabs:#{assigns.id}:content:#{assigns.value}"
    }
  end
end