class Doorkeeper::OAuth::Authorization::Token

def access_token?
  true
end

def access_token_expires_in(configuration, context)
  if configuration.option_defined?(:custom_access_token_expires_in)
    expiration = configuration.custom_access_token_expires_in.call(context)
    return nil if expiration == Float::INFINITY
    expiration || configuration.access_token_expires_in
  else
    configuration.access_token_expires_in
  end
end

def application
  return unless pre_auth.client
  pre_auth.client.is_a?(Doorkeeper.config.application_model) ? pre_auth.client : pre_auth.client.application
end

def build_context(pre_auth_or_oauth_client, grant_type, scopes, resource_owner)
  oauth_client = if pre_auth_or_oauth_client.respond_to?(:application)
                   pre_auth_or_oauth_client.application
                 elsif pre_auth_or_oauth_client.respond_to?(:client)
                   pre_auth_or_oauth_client.client
                 else
                   pre_auth_or_oauth_client
                 end
  Doorkeeper::OAuth::Authorization::Context.new(
    client: oauth_client,
    grant_type: grant_type,
    scopes: scopes,
    resource_owner: resource_owner,
  )
end

def controller
  @controller ||= begin
    mapping = Doorkeeper::Rails::Routes.mapping[:token_info] || {}
    mapping[:controllers] || "doorkeeper/token_info"
  end
end

def initialize(pre_auth, resource_owner)
  @pre_auth       = pre_auth
  @resource_owner = resource_owner
end

def issue_token!
  return @token if defined?(@token)
  context = self.class.build_context(
    pre_auth.client,
    Doorkeeper::OAuth::IMPLICIT,
    pre_auth.scopes,
    resource_owner,
  )
  @token = Doorkeeper.config.access_token_model.find_or_create_for(
    application: application,
    resource_owner: resource_owner,
    scopes: pre_auth.scopes,
    expires_in: self.class.access_token_expires_in(Doorkeeper.config, context),
    use_refresh_token: false,
  )
end

def oob_redirect
  {
    controller: controller,
    action: :show,
    access_token: token.plaintext_token,
  }
end

def refresh_token_enabled?(server, context)
  if server.refresh_token_enabled?.respond_to?(:call)
    server.refresh_token_enabled?.call(context)
  else
    !!server.refresh_token_enabled?
  end
end