require 'digest/sha1'
require 'subj_models/services/values_checker'
require 'subj_models/services/types_support'
require 'subj_models/concerns/shared_scopes'
require 'subj_models/concerns/comprising_external_id'

module SubjModels

  module UserModule

    include SubjModels::TypesSupport::UserTypes
    include SubjModels::TypesSupport::CardReceiveTypes
    include SubjModels::ValuesChecker

    module ClassMethods
      def get_by_email(email)
        self.where(:email => email).first
      end
    end

    def self.included(including_class)
      including_class.extend ClassMethods
      including_class.class_eval do

        include RademadeAdmin::UserModule
        include SubjModels::ComprisingExternalId
        include SubjModels::SharedScopes

        enum user_type: USER_TYPES
        enum card_receive_type: CARD_RECEIVE_TYPES


        has_many :orders
        has_many :user_specialization_approvals, dependent: :destroy
        has_many :user_cards, dependent: :destroy
        has_one  :user_work_place, dependent: :destroy
        has_one  :user_card_delivery
        has_many :user_delivery_addresses, dependent: :destroy
        has_many :event_bookings, dependent: :destroy

        has_and_belongs_to_many :user_specializations
        has_and_belongs_to_many :brands

        belongs_to :document_file
        belongs_to :city
        belongs_to :avatar, class_name: "DocumentFile"

        validates :first_name, :last_name, presence: true,
                  on: :update,
                  unless: lambda { |user| user.legal_person? || user.skip_validations }
        # Валидация отключена на время тестирования. После её надо разкоментировать сдесь и в контроллере.
        # validates :email, uniqueness: { case_sensitive: false }, presence: true,
        #           on: :update,
        #           unless: :skip_validations
        # validates :phone, uniqueness: { case_sensitive: false }, presence: true,
        #           on: :update,
        #           unless: :skip_validations
        validates :user_type, inclusion: { in: user_types.keys },
                  on: :update,
                  unless: :skip_validations

        attr_accessor :skip_validations

        scope :external_id, -> external_id do
          external_id ? where(external_id: external_id) : User.none
        end 

        scope :internal_users, -> (condition) do
          joins(:user_card_delivery).where.not(user_card_deliveries: {id: nil} ).where(external_id: nil)
        end

      end

    end

    def natural_person?
      user_type == USER_TYPES.key(NATURAL_PERSON)
    end

    def legal_person?
      user_type == USER_TYPES.key(LEGAL_PERSON)
    end

    def user_type_value
      self[:user_type]
    end

    def user_type=(value)
      super(check_string_for_int(value))
    end

    def self.get_by_email(email)
      self.where(:email => email).first
    end

    def password=(password)
      self.encrypted_password = encrypt_password(password) unless password.blank?
    end

    def password
      self.encrypted_password
    end

    def valid_password?(password)
      self.encrypted_password == encrypt_password(password)
    end

    def to_s
      email
    end

    def available_nomenclature_ids
      Nomenclature.joins(access_groups: [user_specializations: :users]).where("users.id" => self.id).uniq.pluck(:id)
    end

    def available_categories_ids
      Category.joins(:nomenclatures).where("nomenclatures.id IN (?) OR nomenclatures.is_professional=FALSE", available_nomenclature_ids).uniq.pluck(:id)
    end

    private

    def encrypt_password(password)
      Digest::SHA1.hexdigest(password)
    end

  end

end