class CamaleonCms::Site < CamaleonCms::TermTaxonomy
  # attrs: [name, description, slug]
  attr_accessor :site_domain
  include CamaleonCms::SiteDefaultSettings
  default_scope { where(taxonomy: :site).reorder(term_group: :desc) }
  cama_define_common_relationships('Site')
  has_many :post_types, :class_name => "CamaleonCms::PostType", foreign_key: :parent_id, dependent: :destroy
  has_many :nav_menus, :class_name => "CamaleonCms::NavMenu", foreign_key: :parent_id, dependent: :destroy, inverse_of: :site
  has_many :nav_menu_items, :class_name => "CamaleonCms::NavMenuItem", foreign_key: :term_group
  has_many :widgets, :class_name => "CamaleonCms::Widget::Main", foreign_key: :parent_id, dependent: :destroy
  has_many :sidebars, :class_name => "CamaleonCms::Widget::Sidebar", foreign_key: :parent_id, dependent: :destroy
  has_many :user_roles_rel, :class_name => "CamaleonCms::UserRole", foreign_key: :parent_id, dependent: :destroy
  has_many :custom_field_groups, :class_name => "CamaleonCms::CustomFieldGroup", foreign_key: :parent_id, dependent: :destroy
  has_many :term_taxonomies, :class_name => "CamaleonCms::TermTaxonomy", foreign_key: :parent_id

  has_many :posts, through: :post_types, :source => :posts
  has_many :plugins, :class_name => "CamaleonCms::Plugin", foreign_key: :parent_id, dependent: :destroy
  has_many :themes, :class_name => "CamaleonCms::Theme", foreign_key: :parent_id, dependent: :destroy

  after_create :default_settings
  after_create :set_default_user_roles
  after_save :update_routes
  before_destroy :destroy_site
  after_destroy :reload_routes
  validates_uniqueness_of :slug, scope: :taxonomy

  # all user roles for this site
  def user_roles
    if PluginRoutes.system_info["users_share_sites"]
      CamaleonCms::Site.main_site.user_roles_rel
    else
      user_roles_rel
    end
  end

  #select full_categories for the site, include all children categories
  def full_categories
    CamaleonCms::Category.where({site_id: self.id})
  end

  # all post_tags for this site
  def post_tags
    CamaleonCms::PostTag.includes(:post_type).where(post_type: self.post_types.pluck(:id))
  end

  # all main categories for this site
  def categories
    CamaleonCms::Category.includes(:post_type_parent).where(post_type_parent: self.post_types.pluck(:id))
  end

  # return all languages configured by the admin
  # if it is empty, then return default locale
  def get_languages
    return @_languages if defined?(@_languages)
    l = get_meta("languages_site", [I18n.default_locale])
    @_languages = l.map { |x| x.to_sym } rescue [I18n.default_locale.to_sym]
  end

  # return current admin language configured for this site
  def get_admin_language
    options[:_admin_theme] || "en"
  end

  # set current admin language for this site
  def set_admin_language(language)
    set_option("_admin_theme", language)
  end

  # return current theme slug configured for this site
  # if theme was not configured, then return system.json defined
  def get_theme_slug
    options[:_theme] || PluginRoutes.system_info["default_template"]
  end

  # return theme model with slug theme_slug for this site
  # theme_slug: (optional) if it is null, this will return current theme for this site
  def get_theme(theme_slug = nil)
    self.themes.where(slug: (theme_slug || get_theme_slug), status: nil).first_or_create!
  end

  # return plugin model with slug plugin_slug
  def get_plugin(plugin_slug)
    self.plugins.where(slug: plugin_slug).first_or_create!
  end

  # assign user to this site
  def assign_user(user)
    user.assign_site(self)
  end

  # items per page to be listed on frontend
  def front_per_page
    get_option("front_per_page", 10)
  end

  # items per page to be listed on admin panel
  def admin_per_page
    get_option("admin_per_page", 10)
  end

  # frontend comments status for new comments on frontend
  def front_comment_status
    get_option("comment_status", "pending")
  end

  # security: user register form show captcha?
  def security_user_register_captcha_enabled?
    get_option('security_captcha_user_register', false) == true
  end

  def need_validate_email?
    get_option('need_validate_email', false) == true
  end

  # return main site
  def self.main_site
    @main_site ||= CamaleonCms::Site.reorder(id: :asc).first
  end

  # check if this site is the main site
  # main site is a site that doesn't have slug
  def main_site?
    self.class.main_site == self
  end
  alias_method :is_default?, :main_site?

  # list all users of current site
  def users
    if PluginRoutes.system_info["users_share_sites"]
      CamaleonCms::User.all
    else
      CamaleonCms::User.where(site_id: self.id)
    end
  end
  alias_method :users_include_admins, :users

  # return upload directory for this site (deprecated for cloud support)
  def upload_directory(inner_directory = nil)
    File.join(Rails.public_path, "/media/#{PluginRoutes.static_system_info["media_slug_folder"] ? self.slug : self.id}", inner_directory.to_s)
  end

  # return the directory name where to upload file for this site
  def upload_directory_name
    "#{PluginRoutes.static_system_info["media_slug_folder"] ? self.slug : self.id}"
  end

  # return an available slug for a new post
  # slug: (String) possible slug value
  # post_id: (integer, optional) current post id
  # sample: ("<!--:es-->features-1<!--:--><!--:en-->caract-1<!--:-->") | ("features")
  # return: (String) available slugs
  def get_valid_post_slug(slug, post_id=nil)
    slugs = slug.translations
    if slugs.present?
      slugs.each do |k, v|
        slugs[k] = get_valid_post_slug(v)
      end
      slugs.to_translate
    else
      res = slug
      (1..9999).each do |i|
        p = self.posts.find_by_slug(res)
        break if !p.present? || (p.present? && p.id == post_id)
        res = "#{slug}-#{i}"
      end
      res
    end
  end

  # check if current site is active or not
  def is_active?
    !self.status.present? || self.status == 'active'
  end

  # check if current site is active or not
  def is_inactive?
    self.status == 'inactive'
  end

  # check if current site is in maintenance or not
  def is_maintenance?
    self.status == 'maintenance'
  end

  # return the anonymous user
  # if the anonymous user not exist, will create one
  def get_anonymous_user
    user = self.users.where(username: 'anonymous').first
    unless user.present?
      pass = "anonymous#{rand(9999)}"
      user = self.users.create({email: 'anonymous_user@local.com', username: 'anonymous', password: pass, password_confirmation: pass, first_name: 'Anonymous'})
    end
    user
  end

  # return the domain for current site
  # sample: mysite.com | sample.mysite.com
  # also, you can define custom domain for this site by: my_site.site_domain = 'my_site.com' # used for sites with different domains to call from console or task
  def get_domain
    @site_domain || (main_site? ? slug : (slug.include?(".") ? slug : "#{slug}.#{Cama::Site.main_site.slug}"))
  end

  private
  # destroy all things before site destroy
  def destroy_site
    unless PluginRoutes.system_info["users_share_sites"]
      CamaleonCms::User.where(site_id: self.id).destroy_all
    end
    FileUtils.rm_rf(File.join(Rails.public_path, "/media/#{upload_directory_name}").to_s) # destroy current media directory
    users.destroy_all unless PluginRoutes.system_info["users_share_sites"] # destroy all users assigned fot this site
  end

  # assign all users to this new site
  # DEPRECATED
  def set_all_users
    return
  end

  # update all routes of the system
  # reload system routes for this site
  def update_routes
    PluginRoutes.reload if cama_attr_changed?(:slug)
  end

  def reload_routes
    PluginRoutes.reload
  end

  def before_validating
    slug = self.slug
    slug = self.name if slug.blank?
    self.name = slug unless self.name.present?
    self.slug = slug.to_s.try(:downcase)
  end
end