class Entry < ApplicationRecord
  belongs_to :user
  
  validates :date, :hours, :minutes, presence: true
  validates :hours, numericality: { only_integer: true, greater_than_or_equal_to: 0 }
  validates :minutes, numericality: { only_integer: true, greater_than_or_equal_to: 0, less_than: 60 }
  
  before_save :normalize_time
  
  PRAKTIKUMSTYPEN = %w[propädeutikum fachspezifikum]
  ENTRY_ARTEN = %w[Praktikum Selbsterfahrung Supervision]
  
  validates :praktikums_typ, inclusion: { in: PRAKTIKUMSTYPEN }
  validates :entry_art, inclusion: { in: ENTRY_ARTEN }
  validates :distance_km, numericality: { only_integer: true, greater_than_or_equal_to: 0 }
  
  def kilometer_pauschale
    return 0 unless distance_km.present?
    distance_km * 0.42
  end
  
  def jahr
    date.year
  end
  
  def total_minutes
    hours * 60 + minutes
  end
  
  private
  
  def normalize_time
    self.hours += minutes / 60
    self.minutes = minutes % 60
  end
end