module Hydroponics
  module Actions
    def dupe(table, target_count)
      table = table.to_sym

      first_row = @db[table].first
      first_row.delete(:id)

      current_count = @db[table].count

      if target_count > current_count
        @db[table].multi_insert([first_row] * (target_count - current_count))
      elsif current_count > target_count
        cutoff_id = @db[table].map(:id)[target_count-1]
        @db[table].filter("id > #{cutoff_id}").delete
      end

      @db[table].count.to_s
    end
  end
end