#esta linha me fez perder horas debugando
#include Rails.application.routes.url_helpers

class Task < ActiveRecord::Base
  
  #helper_method :name_or_empty, :current_user
  
  include StringHelper
  
  attr_accessible :name, :interested, :user, :contact, :status, :resolution, :due_time, :finish_time, :notes,
                  :description, :type, :assigned, 
                  :type_id, :contact_id, :assigned_id, :feedbacks # to form 

  belongs_to :interested, :polymorphic => true
  belongs_to :contact, :polymorphic => true
  belongs_to :status, class_name: "SystemTaskStatus"
  belongs_to :resolution, class_name: "SystemTaskResolution"
  belongs_to :user
  belongs_to :type, class_name: "TaskType"
  belongs_to :assigned, class_name: "User"
  
  has_many :feedbacks, class_name: "TaskFeedback"

  
  #=========================== VALIDATE <------------------------------------------------
  
  VALID_NAME_REGEX = /\A(.*[A-z0-9.,;\'\"\-\/]{3,}.*)+\z/i
  
  validates :name, :presence => true, length: { maximum: 150 }, format: { with: VALID_NAME_REGEX }
  validate :valid_status?
  validates_presence_of :status, :notes, :user, :due_time
  
  default_scope order: "due_time DESC"
  
  public
  
    def due_critical_level
      
      return 0 if done? || due_time.nil?
      
      if (due_time>Time.now)
        if (((due_time-Time.now)/1.day).round>GUARACRM::Application::TASKS_DUE_CRITICAL_DAYS_REMAINING)
          1
        else
          2
        end
      else
          3
      end
    end
    
    def done?
      self.status == SystemTaskStatus.CLOSED
    end
    
    def done
      self.status = SystemTaskStatus.CLOSED
      self.finish_time = Time.now
    end
  
  private
  
    def valid_status?
      if (((self.status == SystemTaskStatus.CLOSED) and (self.resolution == nil)) or
          ((self.status == SystemTaskStatus.OPENED) and (self.resolution != nil))) then
        errors.add(:status, I18n.t("tasks.errors.not_valid_status_and_resolution", status: name_or_empty(self.status),
                    resolution: name_or_empty(self.resolution)))
        false
      else  
        true
      end
      
    end
  
end