class StorageLocation < ApplicationRecord
  has_many :videos, dependent: :destroy

  validates :name, presence: true
  validates :path, presence: true, uniqueness: true
  validates :storage_type, presence: true, inclusion: { in: %w[local] }

  validate :path_must_exist_and_be_readable

  def accessible?
    File.exist?(path) && File.readable?(path)
  end

  def video_count
    videos.count
  end

  def display_name
    name
  end

  private

  def path_must_exist_and_be_readable
    errors.add(:path, "must exist and be readable") unless accessible?
  end
end