require 'json'

class Campaign < ActiveRecord::Base
  has_many :videolistings, :dependent => :delete_all
  accepts_nested_attributes_for :videolistings,:reject_if => :all_blank, :allow_destroy => true
  validates :listingcode, presence: true, uniqueness: true
  validates :advertisername, presence: true
  validates :websiteurl, presence: true
  validates :description, presence: true
  validates :productsandservices, presence: true
  validate :has_at_least_one_videolisting
  after_initialize :set_defaults
  def set_defaults
    self.clientid = 720
  end

  def has_at_least_one_videolisting
    errors.add(:base, 'Must add at least one Videolisting') if self.videolistings.blank?
  end

  def video_completion_percent
    published = videolistings.where({published: true}).length
    ((published.to_f / videolistings.count.to_f) * 100).to_i
  rescue
    0
  end

  def to_bettervideo_format
    campaign = self.as_json(except: [:vpa_email,])
    campaign[:videolistings] = self.videolistings.all.map {|vl| vl.as_json }
    campaigns = {campaigns: [campaign,], key: ENV['BETTER_VIDEO_KEY']}
    campaigns.to_json
  end

end