class User < ApplicationRecord
  has_many :fuel_entries, foreign_key: :updated_by_user_id, dependent: :restrict_with_error, inverse_of: :updated_by_user
  has_many :maintenance_entries, foreign_key: :updated_by_user_id, dependent: :restrict_with_error, inverse_of: :updated_by_user

  before_validation :normalize_email

  validates :name, presence: true
  validates :email, presence: true, uniqueness: { case_sensitive: false }

  private

  def normalize_email
    self.email = email.to_s.strip.downcase if email.present?
  end
end