defmodule ScalesCmsWeb.Api.Public.PagesJSON do
  def index(%{pages: pages, api_version: api_version, pagination: pagination}) do
    %{
      api_version: api_version,
      pagination: pagination,
      pages:
        Enum.map(
          pages,
          &ScalesCmsWeb.Api.Public.PagesJSON.show(%{
            page: &1.latest_published_page,
            api_version: api_version
          })
        )
    }
  end

  def show(%{page: page, api_version: api_version}) do
    %{
      id: page.id,
      api_version: api_version,
      title: page.title,
      slug: page.page.slug,
      directory_id: page.page.cms_directory_id,
      locale: page.locale,
      blocks:
        for(
          block <- page.blocks,
          do: block(%{block: block, api_version: api_version, locale: page.locale})
        )
    }
  end

  def block(%{block: block, api_version: api_version, locale: locale}) do
    with {:ok, resolved_block} <- ScalesCms.Helpers.BlockResolver.resolve_block(block, locale),
         component when not is_nil(component) <-
           ScalesCmsWeb.Components.CmsComponents.get_component(resolved_block.component_type) do
      component.serialize(api_version, resolved_block)
    end
  end
end