class BabySittersController < ApplicationController

  def index
    @baby_sitters = BabySitter.find(:all)

    respond_to do |format|
      format.html # index.html.erb
      format.xml  { render :xml => @baby_sitters }
    end
  end

  def show
    @baby_sitter = BabySitter.find(params[:id])
    respond_to do |format|
      format.html # index.html.erb
      format.xml  { render :xml => @baby_sitter }
    end
  end

  # GET /baby_sitters/new
  # GET /baby_sitters/new.xml
  def new
    @baby_sitter = BabySitter.new
    @place = Place.new
    @service = Service.new

    respond_to do |format|
      format.html # new.html.erb
      format.xml  { render :xml => @baby_sitter }
    end
  end

  # GET /baby_sitters/1/edit
  def edit
    @baby_sitter = BabySitter.find(params[:id])
  end

  # POST /baby_sitters
  # POST /baby_sitters.xml
  def create
    @baby_sitter = BabySitter.new(params[:baby_sitter])
    @baby_sitter.user = current_user
    @place = @baby_sitter.build_place(params[:place])
    @service = @baby_sitter.build_service(params[:service])

    respond_to do |format|
      if @baby_sitter.save
        flash[:notice] = 'BabySitter was successfully created.'
        format.html { redirect_to(@baby_sitter) }
        format.xml  { render :xml => @baby_sitter, :status => :created, :location => @baby_sitter }
      else
        format.html { render :action => "new" }
        format.xml  { render :xml => @baby_sitter.errors, :status => :unprocessable_entity }
      end
    end
  end

  # PUT /baby_sitters/1
  # PUT /baby_sitters/1.xml
  def update
    @baby_sitter = BabySitter.find(params[:id])

    respond_to do |format|
      if @baby_sitter.update_attributes(params[:baby_sitter])
        flash[:notice] = 'BabySitter was successfully updated.'
        format.html { redirect_to(@baby_sitter) }
        format.xml  { head :ok }
      else
        format.html { render :action => "edit" }
        format.xml  { render :xml => @baby_sitter.errors, :status => :unprocessable_entity }
      end
    end
  end

  # DELETE /baby_sitters/1
  # DELETE /baby_sitters/1.xml
  def destroy
    @baby_sitter = BabySitter.find(params[:id])
    @baby_sitter.destroy

    respond_to do |format|
      format.html { redirect_to(baby_sitters_url) }
      format.xml  { head :ok }
    end
  end
end

# --
class Aggregate < ActiveRecord::Base
  belongs_to :user
  has_one :place, :dependent => :destroy
  has_one :service, :dependent => :destroy

  def find_related(field)
    field.find_all
  end
end


#--
class BabySitter < Aggregate
end

#--
require 'digest/sha1'
class User < ActiveRecord::Base
  has_many :aggregates, :dependent => :destroy
  # Virtual attribute for the unencrypted password
  attr_accessor :password

  validates_presence_of     :login, :email
  validates_presence_of     :password,                   :if => :password_required?
  validates_presence_of     :password_confirmation,      :if => :password_required?
  validates_length_of       :password, :within => 4..40, :if => :password_required?
  validates_confirmation_of :password,                   :if => :password_required?
  validates_length_of       :login,    :within => 3..40
  validates_length_of       :email,    :within => 3..100
  validates_uniqueness_of   :login, :email, :case_sensitive => false
  before_save :encrypt_password

  # prevents a user from submitting a crafted form that bypasses activation
  # anything else you want your user to change should be added here.
  attr_accessible :login, :email, :password, :password_confirmation

  # Authenticates a user by their login name and unencrypted password.  Returns the user or nil.
  def self.authenticate(login, password)
    u = find_by_login(login) # need to get the salt
    u && u.authenticated?(password) ? u : nil
  end

  # Encrypts some data with the salt.
  def self.encrypt(password, salt)
    Digest::SHA1.hexdigest("--#{salt}--#{password}--")
  end

  # Encrypts the password with the user salt
  def encrypt(password)
    self.class.encrypt(password, salt)
  end

  def authenticated?(password)
    crypted_password == encrypt(password)
  end

  def remember_token?
    remember_token_expires_at && Time.now.utc < remember_token_expires_at
  end

  # These create and unset the fields required for remembering users between browser closes
  def remember_me
    remember_me_for 2.weeks
  end

  def remember_me_for(time)
    remember_me_until time.from_now.utc
  end

  def remember_me_until(time)
    self.remember_token_expires_at = time
    self.remember_token            = encrypt("#{email}--#{remember_token_expires_at}")
    save(false)
  end

  def forget_me
    self.remember_token_expires_at = nil
    self.remember_token            = nil
    save(false)
  end

  # Returns true if the user has just been activated.
  def recently_activated?
    @activated
  end

  protected
    # before filter
    def encrypt_password
      return if password.blank?
      self.salt = Digest::SHA1.hexdigest("--#{Time.now.to_s}--#{login}--") if new_record?
      self.crypted_password = encrypt(password)
    end

    def password_required?
      crypted_password.blank? || !password.blank?
    end


end