# frozen_string_literal: true
class GraphqlController < ApplicationController
  include Authenticable

  protect_from_forgery with: :null_session

  def execute
    variables = prepare_variables(params[:variables])
    query = params[:query]
    operation_name = params[:operationName]
    context = {
      current_auth: current_auth,
      current_user: current_auth&.user,
    }
    result = XStakeSchema.execute(query, variables: variables, context: context, operation_name: operation_name)
    render(json: result)
  rescue StandardError => e
    raise e unless Rails.env.development?
    handle_error_in_development(e)
  end

  private

  def prepare_variables(variables_param)
    case variables_param
    when String
      if variables_param.present?
        JSON.parse(variables_param) || {}
      else
        {}
      end
    when Hash
      variables_param
    when ActionController::Parameters
      variables_param.to_unsafe_hash
    when nil
      {}
    else
      raise ArgumentError, "Unexpected parameter: #{variables_param}"
    end
  end

  def handle_error_in_development(e)
    logger.error(e.message)
    logger.error(e.backtrace.join("\n"))

    render(json: { errors: [{ message: e.message, backtrace: e.backtrace }], data: {} }, status: :internal_server_error)
  end
end