class QC_1812 < Scripting::QCX
  NO_DATA = '-'
  NA = 'n/a'
  EMPTY_VALUES = [nil, '', NO_DATA, NA, 0, '0'].to_set
  ALL = 'all'
  AMAZON_CORE = [6432].freeze
  AMAZON = [6432, 2128].freeze
  CHARACTERS = 80
  IGNORE_REGEXP = /([[:space:]]*[.\-–—©®™]+[[:space:]]*)/.freeze
  BULLETS_SEPARATOR = '@@@@'
  COMPARING_PROC = proc { |ev, av| contains_ignore_regexp?(find: ev, inside: av, ignore_regexp: IGNORE_REGEXP, ignore_case: true) }
  ADDITIONAL_AV = ['cq_product_description']

  def props
    %q`
          Feature #1                             ///  bullets({ highlight_type: 'bullets'})                                        ///  patch_bullets(1, et_field: "cq_features", hide: true)                       /// { filter_shops: all_except(/amazon/) }
                                                                                                                                   ///  patch_bullets(1, et_field: "cq_bullets", hide: true)                        /// { filter_shops: /amazon/ }
          Feature #2                             ///  bullets_qc1({ highlight_type: 'bullets'})                                    ///  patch_bullets(2, et_field: "cq_features", hide: true)                       /// { filter_shops: all_except(/amazon/) }
                                                                                                                                   ///  patch_bullets(2, et_field: "cq_bullets", hide: true)                        /// { filter_shops: /amazon/ }
          Feature #3                             ///  bullets_qc2({ highlight_type: 'bullets'})                                    ///  patch_bullets(3, et_field: "cq_features", hide: true)                       /// { filter_shops: all_except(/amazon/) }
                                                                                                                                   ///  patch_bullets(3, et_field: "cq_bullets", hide: true)                        /// { filter_shops: /amazon/ }
          Feature #4                             ///  bullets_qc3({ highlight_type: 'bullets'})                                    ///  patch_bullets(4, et_field: "cq_features", hide: true)                       /// { filter_shops: all_except(/amazon/) }
                                                                                                                                   ///  patch_bullets(4, et_field: "cq_bullets", hide: true)                        /// { filter_shops: /amazon/ }
          Feature #5                             ///  bullets_qc4({ highlight_type: 'bullets'})                                    ///  patch_bullets(5, et_field: "cq_features", hide: true)                       /// { filter_shops: all_except(/amazon/) }
                                                                                                                                   ///  patch_bullets(5, et_field: "cq_bullets", hide: true)                        /// { filter_shops: /amazon/ }
    `
  end

  def compare(_etalon, _product, result)
    result
  end

  private

  def patch_bullets(etalon, product, bullet_index, et_field:, additional_av: ADDITIONAL_AV, hide: false, comparing_proc: COMPARING_PROC)
  #  comparing_proc ||= proc { |ev, av| contains_ignore_regexp?(find: ev, inside: av, ignore_regexp: IGNORE_REGEXP, ignore_case: true) }
  #  additional_av ||= ['cq_product_description']
    fields_count = fields_count()

    unless @match_shared_data[bullet_index]
      et_bullets = (etalon.get(et_field) || '').split(BULLETS_SEPARATOR).first(fields_count)
      actual_bullets      = (product.get('cq_bullets') || '').split(BULLETS_SEPARATOR)
      text_to_search      = actual_bullets.join
      additional_av.each do |field|
        text_to_search += product.get(field) || ''
      end
      if text_to_search.empty? # AV-
        (1..fields_count).each do |bullet_number|
          et_bullet = et_bullets[bullet_number - 1]
          @match_shared_data[bullet_number] =
            if et_bullet # EV+AV-
              [{ et_val: et_bullet, prod_val: NO_DATA }, false]
            else # EV-AV-
              hide ? NO_DECISION : [{ et_val: NA, prod_val: NO_DATA }, false]
            end
        end
      else
        unmatched_etalon_bullets = (1..fields_count).to_a.delete_if do |bullet_number|
          et_bullet = et_bullets[bullet_number - 1]
          match_found = false
          if et_bullet
            actual_bullets.delete_if do |actual_bullet| # find in actual_bullets
              match_found = comparing_proc.call(et_bullet, actual_bullet)
              @match_shared_data[bullet_number] = [{ et_val: et_bullet, prod_val: match_found }, true] if match_found
              match_found
            end
            unless match_found # find in text_to_search
              match_found = comparing_proc.call(et_bullet, text_to_search)
              @match_shared_data[bullet_number] = [{ et_val: et_bullet, prod_val: match_found }, true] if match_found
            end
          end
          match_found
        end
        unmatched_etalon_bullets.each do |bullet_number|
          et_bullet = et_bullets[bullet_number - 1]
          unmatched_actual_bullet = actual_bullets.shift
          @match_shared_data[bullet_number] =
            if unmatched_actual_bullet
              [{ et_val: et_bullet || NA, prod_val: unmatched_actual_bullet }, !et_bullet]
            else # EV- and no AV bullet
              hide ? NO_DECISION : [{ et_val: et_bullet || NA, prod_val: NO_DATA }, !et_bullet]
            end
        end
      end
    end
    @match_shared_data[bullet_index]
  end

  def fields_count
    bullets_props = props.split(/\n/)[1..-1].map do |prop|
      prop[%r{(.*)///.*///\s+patch_bullets}, 1]
    end
    bullets_props.compact!.last[/\d+/].to_i
  end
end