class User < ApplicationRecord
  @@min_length_password = 12
  has_secure_password

  generates_token_for :email_verification, expires_in: 2.days do
    email
  end

  generates_token_for :password_reset, expires_in: 20.minutes do
    password_salt.last(10)
  end

  has_many :sessions, dependent: :destroy
  has_many :events, dependent: :destroy

  validates :email, presence: true, uniqueness: true, format: { with: URI::MailTo::EMAIL_REGEXP }
  validates :password, allow_nil: true, length: { minimum: @@min_length_password }

  belongs_to :department, optional: true
  has_many :items, dependent: :nullify
  has_many :assignment_logs, dependent: :destroy

  validates :first_name, :last_name, presence: true, on: :update

  normalizes :email, with: -> { _1.strip.downcase }

  before_validation if: :email_changed?, on: :update do
    self.verified = false
  end

  after_update if: :password_digest_previously_changed? do
    sessions.where.not(id: Current.session).delete_all
  end

  after_update if: :email_previously_changed? do
    events.create! action: "email_verification_requested"
  end

  after_update if: :password_digest_previously_changed? do
    events.create! action: "password_changed"
  end

  after_update if: [ :verified_previously_changed?, :verified? ] do
    events.create! action: "email_verified"
  end

    # Gibt den vollen Namen zurück
  def name
    if first_name.present? && last_name.present?
      "#{first_name} #{last_name}"
    else
      email
    end
  end

  # Für das Besitzer-Auswahlfeld im Formular
  def name_with_department
    department.present? ? "#{name} (#{department.name})" : name
  end

  def self.min_length_password
    @@min_length_password
  end
end