defmodule Ami.Section do
  use Ecto.Schema

  import Ecto.{
    Query
  }

  alias Ami.{
    Repo,
    # Toolkit,
    # Tool,
    SectionTool
  }

  schema "sections" do
    field(:name, :string)
    field(:position, :integer)
    field(:sectionable_id, :integer)
    field(:sectionable_type, :string)

    has_many(:section_tools, SectionTool)
    has_many(:section_tools_tools, through: [:section_tools, :tool])
  end

  def preload_sections(struct, sectionable_type) do
    query =
      from(
        s in __MODULE__,
        where: s.sectionable_type == ^sectionable_type,
        order_by: s.position
      )

    struct
    |> Repo.preload(
      sections: {
        query,
        [
          [
            section_tools: {from(st in SectionTool, order_by: st.tool_position), [:tool]}
          ],
          :section_tools_tools
        ]
      }
    )
  end
end