pokemon.trade/app/graphql/pokemon_trade_schema.rb

# frozen_string_literal: true

class PokemonTradeSchema < GraphQL::Schema
  mutation(Types::MutationType)
  query(Types::QueryType)

  def self.id_from_object(object, type_definition, _query_ctx)
    GraphQL::Schema::UniqueWithinType.encode(type_definition.name, object.id)
  end

  def self.object_from_id(id, _query_ctx)
    type_name, item_id = GraphQL::Schema::UniqueWithinType.decode(id)
    Object.const_get(type_name).find(item_id)
  end

  def self.resolve_type(_type, obj, _ctx)
    case obj
    when Pokemon
      Types::PokemonType
    else
      Rails.logger
           .error("Unexpected object when resolving GraphQL type: #{obj}")

      raise APIError::BaseError, 'Unexpected object when resolving GraphQL type'
    end
  end
end