class CronSetting < ActiveRecord::Base
  belongs_to :user
  has_many :cron_actions

#  def before_create
#
#    if self.action == "change_tariff"
#      self.target_class = 'User'
#      self.to_target_class = 'Tariff'
#      self.user_id = User.current.id
#    elsif self.action == "change_provider_tariff"
#      self.target_class = 'Provider'
#      self.to_target_class = 'Provider_Tariff'
#      self.user_id = User.current.id
#    end
#  end

  def before_save
    if self.action == "change_tariff"
      self.target_class = 'User'
      self.to_target_class = 'Tariff'
      self.user_id = User.current.id
    elsif self.action == "change_provider_tariff"
      self.target_class = 'Provider'
      self.to_target_class = 'Provider_Tariff'
      self.user_id = User.current.id
    end
    
    if (valid_from > valid_till and next_run_time > valid_till  or valid_till.to_time < Time.now) and repeat_forever.to_i == 0
      errors.add(:period, _("Please_enter_correct_period"))
      return false
    end
    if periodic_type.to_i == 0 and valid_from.to_time < Time.now
      errors.add(:period, _("Please_enter_correct_period"))
      return false
    end
  end

  def CronSetting.cron_settings_actions
    [[_('change_tariff'), 'change_tariff'],[_('change_provider_tariff'), 'change_provider_tariff']]
  end

  def CronSetting.cron_settings_periodic_types
    [[_('One_time'),0], [_('Yearly'), 1], [_('Monthly'), 2], [_('Weekly'), 3], [_('Work_days'), 4], [_('Free_days'), 5], [_('Daily'), 6]]
  end

  def CronSetting.cron_settings_priority
    [[_('high'), 10], [_('medium'), 20], [_('low'), 30]]
  end

  def CronSetting.cron_settings_target_class
    [[_('User'), 'User'],[_('Provider'), 'Provider']]
  end


  def target
    case target_class
    when 'User'
      User.find(:first, :conditions=>{:id=>target_id})
    when 'Provider'
      Provider.find(:first,:conditions=>{:id=>provider_target_id})
    end
  end

  def after_create
    CronAction.create({:cron_setting_id=>id, :run_at => self.next_run_time})
  end

  def after_update
    CronAction.delete_all(:cron_setting_id=>id)
    CronAction.create({:cron_setting_id=>id, :run_at => self.next_run_time})
  end

  def next_run_time(tim=nil)
    if tim
      if tim.class.to_s.include?('Time')
        time = tim
      else
        time = tim.to_time
      end
      
    else
      time = valid_from.to_time
    end
    
    case periodic_type
    when 0
      time = time.to_s.to_time
    when 1
      time = time.to_s.to_time + 1.year
    when 2
      time = time.to_s.to_time + 1.month
    when 3
      time = time.to_s.to_time + 1.week
    when 4
      z = time.to_s.to_time + 1.day
      if z.wday > 5
        time = time.to_s.to_time + 2.day
      else
        time = time.to_s.to_time + 1.day
      end
    when 5
      z = time.to_s.to_time + 1.day
      if z.wday < 6
        time = time.to_s.to_time + 5.day
      else
        time = time.to_s.to_time + 1.day
      end
    when 6
      time = time.to_s.to_time + 1.day
    end
    if time < Time.now
      time = next_run_time(time)
    end
    time 
  end
end