class Doorkeeper::OAuth::Authorization::Code

def access_grant?
  true
end

def access_grant_attributes
  attributes = {
    application_id: pre_auth.client.id,
    expires_in: authorization_code_expires_in,
    redirect_uri: pre_auth.redirect_uri,
    scopes: pre_auth.scopes.to_s,
  }
  if Doorkeeper.config.polymorphic_resource_owner?
    attributes[:resource_owner] = resource_owner
  else
    attributes[:resource_owner_id] = resource_owner.id
  end
  pkce_attributes.merge(attributes).merge(custom_attributes)
end

def authorization_code_expires_in
  Doorkeeper.config.authorization_code_expires_in
end

def custom_attributes
  # Custom access token attributes are saved into the access grant,
  # and then included in subsequently generated access tokens.
  @pre_auth.custom_access_token_attributes.to_h.with_indifferent_access
end

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

def issue_token!
  return @token if defined?(@token)
  @token = Doorkeeper.config.access_grant_model.create!(access_grant_attributes)
end

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

def pkce_attributes
  return {} unless pkce_supported?
  {
    code_challenge: pre_auth.code_challenge,
    code_challenge_method: pre_auth.code_challenge_method,
  }
end

def pkce_supported?
  Doorkeeper.config.access_grant_model.pkce_supported?
end