# frozen_string_literal: true

class UserProfile < ActiveRecord::Base
  BAKED_VERSION = 1

  belongs_to :user, inverse_of: :user_profile
  belongs_to :card_background_upload, class_name: "Upload"
  belongs_to :profile_background_upload, class_name: "Upload"
  belongs_to :granted_title_badge, class_name: "Badge"
  belongs_to :featured_topic, class_name: "Topic"

  has_many :upload_references, as: :target, dependent: :destroy
  has_many :user_profile_views, dependent: :destroy

  validates :bio_raw, length: { maximum: 3000 }, watched_words: true
  validates :website,
            url: true,
            length: {
              maximum: 3000,
            },
            allow_blank: true,
            if: :validate_website?
  validates :location, length: { maximum: 3000 }, watched_words: true
  validates :user, presence: true

  validate :website_domain_validator, if: :validate_website?

  before_save :cook
  before_save :apply_watched_words, if: :location?

  after_save :trigger_badges
  after_save :pull_hotlinked_image

  after_save do
    if saved_change_to_profile_background_upload_id? ||
         saved_change_to_card_background_upload_id? || saved_change_to_bio_raw?
      upload_ids =
        [self.profile_background_upload_id, self.card_background_upload_id] +
          Upload.extract_upload_ids(self.bio_raw)
      UploadReference.ensure_exist!(upload_ids: upload_ids, target: self)
    end
  end

  attr_accessor :skip_pull_hotlinked_image

  def bio_excerpt(length = 350, opts = {})
    return nil if bio_cooked.blank?
    excerpt = PrettyText.excerpt(bio_cooked, length, opts).sub(/<br>\z/, "")
    return excerpt if excerpt.blank? || (user.has_trust_level?(TrustLevel[1]) && !user.suspended?)
    PrettyText.strip_links(excerpt)
  end

  def bio_processed
    if bio_cooked.blank? || (user.has_trust_level?(TrustLevel[1]) && !user.suspended?)
      return bio_cooked
    end
    PrettyText.strip_links(bio_cooked)
  end

  def bio_summary
    bio_excerpt(500, strip_links: true, text_entities: true)
  end

  def recook_bio
    self.bio_raw_will_change!
    cook
  end

  def upload_card_background(upload)
    self.update!(card_background_upload: upload)
  end

  def clear_card_background
    self.update!(card_background_upload: nil)
  end

  def upload_profile_background(upload)
    self.update!(profile_background_upload: upload)
  end

  def clear_profile_background
    self.update!(profile_background_upload: nil)
  end

  def self.rebake_old(limit)
    problems = []
    UserProfile
      .where("bio_cooked_version IS NULL OR bio_cooked_version < ?", BAKED_VERSION)
      .limit(limit)
      .each do |p|
        begin
          p.rebake!
        rescue => e
          problems << { profile: p, ex: e }
        end
      end
    problems
  end

  def rebake!
    update_columns(bio_cooked: cooked, bio_cooked_version: BAKED_VERSION)
  end

  def self.import_url_for_user(background_url, user, options = nil)
    if SiteSetting.verbose_upload_logging
      Rails.logger.warn(
        "Verbose Upload Logging: Downloading profile background from #{background_url}",
      )
    end

    tempfile =
      FileHelper.download(
        background_url,
        max_file_size: SiteSetting.max_image_size_kb.kilobytes,
        tmp_file_name: "sso-profile-background",
        follow_redirect: true,
        skip_rate_limit: true,
      )

    return unless tempfile

    ext = FastImage.type(tempfile).to_s
    tempfile.rewind

    is_card_background = !options || options[:is_card_background]
    type = is_card_background ? "card_background" : "profile_background"

    upload =
      UploadCreator.new(
        tempfile,
        "external-profile-background." + ext,
        origin: background_url,
        type: type,
      ).create_for(user.id)

    if (is_card_background)
      user.user_profile.upload_card_background(upload)
    else
      user.user_profile.upload_profile_background(upload)
    end
  rescue Net::ReadTimeout, OpenURI::HTTPError
    # skip saving, we are not connected to the net
  ensure
    tempfile.close! if tempfile && tempfile.respond_to?(:close!)
  end

  protected

  def trigger_badges
    BadgeGranter.queue_badge_grant(Badge::Trigger::UserChange, user: self)
  end

  def pull_hotlinked_image
    if !skip_pull_hotlinked_image && saved_change_to_bio_raw?
      Jobs.enqueue_in(
        SiteSetting.editing_grace_period,
        :pull_user_profile_hotlinked_images,
        user_id: self.user_id,
      )
    end
  end

  private

  def self.remove_featured_topic_from_all_profiles(topic)
    where(featured_topic_id: topic.id).update_all(featured_topic_id: nil)
  end

  def cooked
    if self.bio_raw.present?
      PrettyText.cook(
        self.bio_raw,
        omit_nofollow: user.has_trust_level?(TrustLevel[3]) && !SiteSetting.tl3_links_no_follow,
      )
    else
      nil
    end
  end

  def cook
    if self.bio_raw.present?
      if bio_raw_changed?
        self.bio_cooked = cooked
        self.bio_cooked_version = BAKED_VERSION
      end
    else
      self.bio_cooked = nil
    end
  end

  def apply_watched_words
    self.location = WordWatcher.apply_to_text(location)
  end

  def website_domain_validator
    allowed_domains = SiteSetting.allowed_user_website_domains
    return if (allowed_domains.blank? || self.website.blank?)

    domain =
      begin
        URI.parse(self.website).host
      rescue URI::Error
      end
    unless allowed_domains.split("|").include?(domain)
      self.errors.add :base,
                      (
                        I18n.t(
                          "user.website.domain_not_allowed",
                          domains: allowed_domains.split("|").join(", "),
                        )
                      )
    end
  end

  def validate_website?
    new_record? || website_changed?
  end
end

# == Schema Information
#
# Table name: user_profiles
#
#  user_id                      :integer          not null, primary key
#  location                     :string(3000)
#  website                      :string(3000)
#  bio_raw                      :text
#  bio_cooked                   :text
#  dismissed_banner_key         :integer
#  bio_cooked_version           :integer
#  views                        :integer          default(0), not null
#  profile_background_upload_id :integer
#  card_background_upload_id    :integer
#  granted_title_badge_id       :bigint
#  featured_topic_id            :integer
#
# Indexes
#
#  index_user_profiles_on_bio_cooked_version            (bio_cooked_version)
#  index_user_profiles_on_card_background_upload_id     (card_background_upload_id)
#  index_user_profiles_on_granted_title_badge_id        (granted_title_badge_id)
#  index_user_profiles_on_profile_background_upload_id  (profile_background_upload_id)
#
# Foreign Keys
#
#  fk_rails_...  (card_background_upload_id => uploads.id)
#  fk_rails_...  (granted_title_badge_id => badges.id)
#  fk_rails_...  (profile_background_upload_id => uploads.id)
#