class Laboratory < ApplicationRecord
  belongs_to :school, optional: true

  has_many :laboratory_users, dependent: :destroy
  has_many :users, through: :laboratory_users, source: :user

  has_one :laboratory_setting, dependent: :destroy

  validates :identifier, uniqueness: { case_sensitive: false }, allow_nil: true

  def site
    rails_env = EduSetting.get('rails_env')
    suffix = rails_env && rails_env != 'production' ? ".#{rails_env}.educoder.net" : '.educoder.net'

    identifier ? "#{identifier}#{suffix}" : ''
  end

  def self.find_by_subdomain(subdomain)
    return if subdomain.blank?

    rails_env = EduSetting.get('rails_env')
    subdomain = subdomain.slice(0, subdomain.size - rails_env.size - 1) if subdomain.end_with?(rails_env) # winse.dev => winse

    find_by_identifier(subdomain)
  end
end