pupilfirst/pupilfirst

class Level < ApplicationRecord
  validates :number, uniqueness: { scope: :course_id }, presence: true
  validates :name, presence: true

  has_many :target_groups, dependent: :restrict_with_error
  has_many :targets, through: :target_groups
  has_many :timeline_events, through: :targets

  scope :unlocked,
        -> { where(unlock_at: nil).or(where("unlock_at <= ?", Time.zone.now)) }

  belongs_to :course

  validates_with RateLimitValidator, limit: 25, scope: :course_id

  normalize_attribute :unlock_at

  def display_name
    "#{course.short_name}##{number}: #{name}"
  end

  def short_name
    I18n.t("shared.level_label.long_without_name", number: number.to_s)
  end

  def unlocked
    ActiveSupport::Deprecation.warn("Use `unlocked?` instead.")
    unlocked?
  end

  def unlocked?
    unlock_at.blank? || unlock_at.past?
  end

  def filter_display_name
    "#{self.number},#{self.name}"
  end

  def filter_name
    "#{self.id};#{filter_display_name}"
  end
end