require 'bulk_insert'

old_logger = ActiveRecord::Base.logger
ActiveRecord::Base.logger = nil

model = WhateverModel.find_by(whatever: 'something')
tag_names = ('a'..'i').to_a.permutation.to_a.shuffle.map(&:join)
tag_names_count = tag_names.count

max_id = ActsAsTaggableOn::Tag.maximum(:id)

puts "Inserting tags..."
tags = tag_names.map.with_index do |tag_name, i|
  { name: tag_name }
end
ActsAsTaggableOn::Tag.bulk_insert(
  set_size: 10_000, values: tags
)

tag_ids = ActsAsTaggableOn::Tag.where("id > ?", max_id).select(:id).pluck(:id)

puts "Inserting taggings..."
taggings = tag_ids.map do |tag_id|
  { taggable_id: model.id, tag_id: tag_id, context: 'tags', taggable_type: 'WhateverModel' }
end
ActsAsTaggableOn::Tagging.bulk_insert(
  set_size: 10_000, values: taggings
)

ActiveRecord::Base.logger = old_logger