require 'challah/version'

module Challah
  autoload :Audit,                            'challah/audit'

  autoload :CookieStore,                      'challah/cookie_store'
  autoload :SimpleCookieStore,                'challah/simple_cookie_store'

  autoload :Authenticators,                   'challah/authenticators'
  autoload :Controller,                       'challah/controller'
  autoload :Encrypter,                        'challah/encrypter'
  autoload :Plugins,                          'challah/plugins'
  autoload :Providers,                        'challah/providers'
  autoload :Random,                           'challah/random'
  autoload :Session,                          'challah/session'
  autoload :Signup,                           'challah/signup'
  autoload :Techniques,                       'challah/techniques'
  autoload :Techniques,                       'challah/techniques'

  autoload :EmailValidator,                   'challah/validators/email_validator'
  autoload :PasswordValidator,                'challah/validators/password_validator'

  autoload :Authorization,                    'challah/authorization'
  autoload :User,                             'challah/user'

  autoload :PasswordProvider,                 'challah/providers/password_provider'

  # Configuration options
  class << self
    # Get or set options for the current Challah instance. In most cases these should be
    # changed within a config/initializers/ file in your app.
    #
    # @param [Hash] options The options to get or set
    # @option options [String] :cookie_prefix ('challah') A prefix to put in the names of the cookies that will be set.
    # @option options [String] :access_denied_view ('challah/sessions/access_denied')Relative path to the view that will be used to show access denied method.
    # @option options [Class] :storage_class (SimpleCookieStore) The class to use for persistence of sessions.
    # @option options [Boolean] :skip_routes (false) Pass in true to not add any routes into your Rails app by default.
    # @option options [String] :email_validator ('challah/email') Pass in a string name of the class to use for email validation. Class should inherit from ActiveModel::EachValidator
    # @option options [Class] :password_validator (Challah::PasswordValidator) Pass in a class to use for password validation.
    def options
      @options ||= {
        access_denied_view:     'sessions/access_denied',
        api_key_enabled:        false,
        cookie_prefix:          'challah',
        email_validator:        'challah/email',
        password_validator:     PasswordValidator,
        skip_routes:            false,
        skip_user_validations:  false,
        storage_class:          SimpleCookieStore
      }
    end
  end

  # Set up techniques engines
  extend Techniques
  @techniques ||= {}

  # Default registered authentication techiques.
  register_technique :api_key,        ApiKeyTechnique
  register_technique :password,       PasswordTechnique

  # Set up plugin registering capability
  extend Plugins
  @plugins ||= {}

  # Set up authenticators
  extend Authenticators
  @authenticators ||= {}

  # Default registered authentication techiques.
  register_authenticator :api_key,    Authenticators::ApiKey
  register_authenticator :password,   Authenticators::Password

  # Set up authorization providers
  extend Providers
  @providers ||= {}

  register_provider :password, PasswordProvider
end

require 'challah/railtie' if defined?(Rails)