dtsato/agile_brazil

# frozen_string_literal: true

class Page < ApplicationRecord
  belongs_to :conference
  has_many :translated_contents, as: :model, dependent: :destroy, inverse_of: :model
  accepts_nested_attributes_for :translated_contents

  validates :conference, presence: true
  validates :path, presence: true, uniqueness: { scope: %i[conference_id] }
  validate :contents_matching_conference_languages

  scope(:for_conference, ->(c) { where(conference: c.is_a?(ActiveRecord::Base) ? c.id : c) })
  scope(:with_path, ->(p) { where(path: p) })
  scope(:with_language, ->(l) { where(language: l) })

  def title
    translated_contents.find { |c| c.language.to_sym == I18n.locale.to_sym }.try(:title) ||
      translated_contents.first.try(:title) ||
      I18n.t(self[:title] || '')
  end

  def content
    translated_contents.find { |c| c.language.to_sym == I18n.locale.to_sym }.try(:content) ||
      translated_contents.first.try(:content) ||
      I18n.t(self[:content] || '')
  end

  def to_params
    path.gsub(%r{^/}, '')
  end

  private

  def contents_matching_conference_languages
    translated_languages = translated_contents.map(&:language).map(&:to_sym)
    missing_languages = (conference.try(:supported_languages) || []) - translated_languages
    return if missing_languages.empty?

    error_message = I18n.t('activerecord.models.translated_content.missing_languages', languages: missing_languages.join(', '))
    errors.add(:translated_contents, languages: error_message)
  end
end