defmodule Odinsea.Database.Schema.ShopItem do
  @moduledoc """
  Ecto schema for the shopitems table.
  Represents items available in NPC shops.
  """

  use Ecto.Schema
  import Ecto.Changeset

  @primary_key {:shopitemid, :id, autogenerate: true}

  schema "shopitems" do
    field :shopid, :integer, default: 0
    field :itemid, :integer, default: 0
    field :price, :integer, default: 0
    field :position, :integer, default: 0
    field :reqitem, :integer, default: 0
    field :reqitemq, :integer, default: 0
    field :rank, :integer, default: 0
  end

  @doc """
  Changeset for creating/updating a shop item.
  """
  def changeset(shop_item, attrs) do
    shop_item
    |> cast(attrs, [:shopid, :itemid, :price, :position, :reqitem, :reqitemq, :rank])
    |> validate_required([:shopid, :itemid])
  end
end