class PgSearch::Migration::Generator

def self.inherited(subclass)
  super
  subclass.source_root File.expand_path('templates', __dir__)
end

def create_migration
  now = Time.now.utc
  filename = "#{now.strftime('%Y%m%d%H%M%S')}_#{migration_name}.rb"
  template "#{migration_name}.rb.erb", "db/migrate/#{filename}", migration_version
end

def migration_version
  if ActiveRecord::VERSION::MAJOR >= 5
    "[#{ActiveRecord::VERSION::MAJOR}.#{ActiveRecord::VERSION::MINOR}]"
  else
    ""
  end
end

def read_sql_file(filename)
  sql_directory = File.expand_path('../../../sql', __dir__)
  source_path = File.join(sql_directory, "#{filename}.sql")
  File.read(source_path).strip
end