stevenbeales / mental-test

class Instrument < ApplicationRecord

  audited

  include PgSearch

  include Discard::Model

  multisearchable against: %i[json_content csv_content]

  pg_search_scope :search_json, against: :json_content

  pg_search_scope :search_csv, against: :csv_content

  default_value_for :version_number, '1.0'

  default_value_for :instrument_type, 'json'

  has_many :assessment_instruments, inverse_of: :instrument, dependent: :destroy

  has_many :study_event_instruments, inverse_of: :instrument, dependent: :destroy

  has_many :assessments, inverse_of: :instrument, through: :assessment_instruments

  has_many :study_events, inverse_of: :instrument, through: :study_event_instruments

  has_many :items, inverse_of: :instrument, dependent: :destroy

  jsonb_accessor :json_content,

                 title: [:string, default: 'Untitled'],

                 pages: [:jsonb, array: true, default: []]

  validates :name, presence: true

  validates_uniqueness_of :name

  validates_length_of :name, \

                      within: 2..50, \

                      too_long: 'pick a shorter name', \

                      too_short: 'pick a longer name'

  validates :version_number, presence: true

  validates_uniqueness_of :version_number, scope: :name 

  validates :instrument_type, presence: true

  validates :instructions, presence: true, allow_blank: true

  validates :json_content, presence: true

  validates :csv_content, presence: true, allow_blank: true

  def self.list_tests(limit: 4)

    Instrument.order(:name).limit(limit).join(' ')

  end

  def to_s

    name

  end

  def first_question_and_instructions

    %(#{instructions} #{items.first.title})

  end

end