class SoftwareInfo < ActiveRecord::Base
  attr_accessible :e_mag, :icp_brasil, :intern, :e_ping, :e_arq, :operating_platform, :demonstration_url, :acronym, :objectives, :features, :license_infos_id, :community_id

  has_many :libraries, :dependent => :destroy
  has_many :software_databases
  has_many :database_descriptions, :through => :software_databases
  has_many :software_languages
  has_many :operating_systems 
  has_many :programming_languages, :through => :software_languages
  has_many :operating_system_names, :through => :operating_systems

  belongs_to :community
  belongs_to :license_info

  has_one :controlled_vocabulary

  validate :validate_operating_platform, :validate_acronym, :valid_software_info, :valid_databases, :valid_operating_systems

  # used on find_by_contents
  scope :like_search, lambda{ |name|
    joins(:community).where("name ilike ?", "%#{name}%")
  }

  def validate_operating_platform
    self.errors.add(:operating_platform, _("can't be blank")) if self.operating_platform.blank? && self.errors.messages[:operating_platform].nil?
  end

  def validate_acronym
    if self.acronym.blank? && self.errors.messages[:acronym].nil?
      self.errors.add(:acronym, _("can't be blank"))
    elsif self.acronym.length > 8 && self.errors.messages[:acronym].nil?
      self.errors.add(:acronym, _("can't have more than 8 characteres"))
    end
  end

  def valid_operating_systems
    self.errors.add(:operating_system, _(": at least one must be filled")) if self.operating_systems.empty?
  end

  def valid_software_info
    self.errors.add(:software_languages, _(": at least one must be filled")) if self.software_languages.empty?
  end

  def valid_databases
    self.errors.add(:software_databases, _(": at least one must be filled")) if self.software_databases.empty?
  end

  def visible?
    self.community.visible?
  end

  def name
    self.community.name
  end

  def short_name
    self.community.short_name
  end

  def identifier
    self.community.identifier
  end
end