class Fable < ActiveRecord::Base
  validates :title, presence: true
  validates :story, presence: true

  def self.from_form(app)
    key_mapping = {
      'Author' => 'user_id',
      'Keywords' => 'keywords'
    }

    hash = {
      'title' => nil,
      'story' => nil,
      'url' => nil,
      'keywords' => nil,
      'user_id' => nil,
      'edit_url' => nil
    }

    hash['title'] = app.title
    hash['story'] = app.description
    hash['edit_url'] = app.footer.text
    hash['url'] = app.image&.url

    app.fields.each do |field|
      next if field.nil?

      db_column = key_mapping[field.name]
      hash[db_column] = if db_column == 'user_id'
                          UID.match(field.value)[1]
                        elsif db_column == 'keywords'
                          field.value.split(/\s?(,|\|)\s?/)
                        else
                          field.value
                        end
    end

    hash = hash.reject { |k, _v| k.nil? }
    hash
  end
end