class Item < ActiveRecord::Base
  validates :name, presence: true

  def self.from_form(app)
    key_mapping = {
      'Item Name' => 'name',
      'Description' => 'description',
      'Effect' => 'effect',
      'Side Effect' => 'side_effect',
      'RP Reply' => 'rp_reply',
      'Category' => 'category',
      'Reusable' => 'reusable'
    }

    hash = {}
    app.fields.each do |field|
      next if field.nil?

      db_column = key_mapping[field.name]
      hash[db_column] =
        hash[db_column] = case db_column
                          when 'category'
                            field.value.split(',')
                          when 'reusable'
                            field.value == 'True'
                          else
                            field.value
                          end
    end

    hash['name'] = app.title
    hash['description'] = app.description
    hash['url'] = app.thumbnail.url if app.thumbnail
    hash['edit_url'] = app.footer.text

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