class User < ApplicationRecord
  # Include default devise modules. Others available are:
  # :confirmable, :lockable, :timeoutable, :trackable and :omniauthable
  devise :database_authenticatable, :registerable,
         :recoverable, :rememberable, :validatable, :confirmable
  
  has_many :entries, dependent: :destroy
  
  PRAKTIKUMSTYPEN = %w[propädeutikum fachspezifikum]
  ENTRY_ARTEN = %w[Praktikum Selbsterfahrung Supervision]
  
  after_initialize :set_default, if: :new_record?

  
  def set_default
    self.required_hours_matrix = PRAKTIKUMSTYPEN.to_h do |typ|
      [typ, ENTRY_ARTEN.to_h { |art| [art, default_hours_for(typ, art)] }]
    end
    self.weekly_target_matrix = {
      "propädeutikum" => { "Praktikum" => 12, "Selbsterfahrung" => 0.25, "Supervision" => 0.25 },
      "fachspezifikum" => { "Praktikum" => 10, "Selbsterfahrung" => 0.25, "Supervision" => 0.25 }
    }
  end
  
  
  def default_hours_for(typ, art)
    case [typ, art]
      when ["propädeutikum", "Praktikum"]       then 480
      when ["propädeutikum", "Selbsterfahrung"] then 50
      when ["propädeutikum", "Supervision"]     then 20
      when ["fachspezifikum", "Praktikum"]      then 600
      when ["fachspezifikum", "Selbsterfahrung"] then 80
      when ["fachspezifikum", "Supervision"]     then 40
      else 0
    end
  end
  
  def required_hours_for(typ, art)
    required_hours_matrix.dig(typ, art) || 0
  end
  
end