class User < ActiveRecord::Base
  # validates_with UserValidator
  # Relationship for Role model
  has_and_belongs_to_many :roles
  has_many :posts
  has_many :comments

  # Include default devise modules. Others available are:
  # :token_authenticatable, :lockable, :timeoutable and :activatable
  devise :database_authenticatable, :registerable, :confirmable,
         :recoverable, :rememberable, :trackable, :validatable, :omniauthable

  # Setup accessible (or protected) attributes for your model
  attr_accessible :email, :password, :password_confirmation,
    :first_name, :last_name, :display_name, :hometown, :school_name, :school_city,
    :major_minor, :grad_date, :height, :weight, :cup_size, :eye_color, :age,
    :birth_date, :myspace_url, :facebook_url, :twitter_username

  validates :email,             :presence => true, :uniqueness => true

  validate_on_update :validate_additional_attributes

  def validate_additional_attributes
    errors.add(:first_name, "can't be blank") if first_name.blank?
    errors.add(:last_name, "can't be blank") if last_name.blank?
    errors.add(:display_name, "can't be blank") if display_name.blank?

    if self.role?("hopeful") || self.role?("twelve")
      errors.add(:hometown, "can't be blank") if hometown.blank?
      errors.add(:school_name, "can't be blank") if school_name.blank?
      errors.add(:school_city, "can't be blank") if school_city.blank?
      errors.add(:major_minor, "can't be blank") if major_minor.blank?
      errors.add(:grade_date, "can't be blank") if grad_date.blank?
      errors.add(:height, "can't be blank") if height.blank?
      # errors.add(:weight, "can't be blank") if weight.blank?
      errors.add(:weight, "#{weight}must #{weight.to_s}be an #{weight.to_s.class}") unless weight.to_s =~ /\d+/
      errors.add(:cup_size, "can't be blank") if cup_size.blank?
      errors.add(:eye_color, "can't be blank") if eye_color.blank?
      # errors.add(:age, "can't be blank") if age.blank?
      errors.add(:age, "must be an integer") unless age.to_s =~ /\d+/
      errors.add(:birth_date, "can't be blank") if birth_date.blank?
    end
  end

  # Accessor function for checking a specific role in a user's list of roles
  def role?(role)
    return !!self.roles.find_by_name(role.to_s)
  end

  # Omniauth Callback Controller uses this to check for a pre-existing e-mail in Tempe12 user table
  def self.find_for_facebook_oauth(access_token, signed_in_resource=nil)
    data = access_token['extra']['user_hash']
    if user = User.find_by_email(data["email"])
      user
    else # Create a user with a stub password.
      User.create!(:email => data["email"], :password => Devise.friendly_token[0,20])
    end
  end

  # Called when a first time Tempe12 user wants to sign-in with Facebook.
  # The user is redirected to the registration page, but first, the information from their Facebook
  # account is pre-loaded into the registration form.  Nice, right?!
  def self.new_with_session(params, session)
    super.tap do |user|
      if data = session["devise.facebook_data"] && session["devise.facebook_data"]["extra"]["user_hash"]
        user.email = data["email"]
      end
    end
  end

  def name
    self.first_name + " " + self.last_name rescue "No Name"
  end

  def created_string
    created_at.strftime('%m/%e at %l:%M %p').gsub("12:00 PM", "Noon") unless created_at.nil?
  end

  def last_sign_in_string
    last_sign_in_at.strftime('%m/%e at %l:%M %p').gsub("12:00 PM", "Noon") unless last_sign_in_at.nil?
  end

  def confirmed?
    confirmed_at ? "Confirmed" : "Unconfirmed"
  end
end