# frozen_string_literal: true

module Mutations
  module Todos
    class MarkDone < ::Mutations::BaseMutation
      graphql_name 'TodoMarkDone'

      authorize :update_todo

      argument :id,
               ::Types::GlobalIDType[::Todo],
               required: true,
               description: 'Global ID of the to-do item to mark as done.'

      field :todo, Types::TodoType,
            null: false,
            description: 'Requested to-do item.'

      def resolve(id:)
        todo = authorized_find!(id: id)

        mark_done(todo)

        {
          todo: todo.reset,
          errors: errors_on_object(todo)
        }
      end

      private

      def mark_done(todo)
        TodoService.new.resolve_todo(todo, current_user, resolved_by_action: :api_done)
      end
    end
  end
end
