defmodule Surface.Components.Form.Submit do
  @moduledoc """
  Defines a submit button to send the form.

  All options are forwarded to the underlying `<button type="submit" />`
  """

  use Surface.Component
  use Surface.Components.Events

  import Surface.Components.Utils, only: [events_to_opts: 1]

  @doc "The label to be used in the button"
  prop label, :string

  @doc "Class or classes to apply to the button"
  prop class, :css_class

  @doc "Keyword list with options to be passed down to `<button/>`"
  prop opts, :keyword, default: []

  @doc "Slot used for having children other than plain text in the button"
  slot default

  def render(assigns) do
    props = prop_to_attr_opts(assigns.class, :class)
    events = events_to_opts(assigns)

    opts =
      assigns.opts
      |> Keyword.merge(props)
      |> Keyword.merge(events)

    assigns = assign(assigns, opts: opts)

    ~F"""
    <button type="submit" {...@opts}><#slot>{@label}</#slot></button>
    """
  end
end