class Doorkeeper::Config

def access_token_methods
  @access_token_methods ||= [:from_bearer_authorization, :from_access_token_param, :from_bearer_param]
end

def authorization_response_types
  @authorization_response_types ||= calculate_authorization_response_types
end

def calculate_authorization_response_types
  types = []
  types << 'code'  if grant_flows.include? 'authorization_code'
  types << 'token' if grant_flows.include? 'implicit'
  types
end

def calculate_token_grant_types
  types = grant_flows - ['implicit']
  types << 'refresh_token' if refresh_token_enabled?
  types
end

def client_credentials_methods
  @client_credentials ||= [:from_basic, :from_params]
end

def confirm_application_owner?
  !!@confirm_application_owner
end

def default_scopes
  @default_scopes ||= OAuth::Scopes.new
end

def enable_application_owner?
  !!@enable_application_owner
end

def optional_scopes
  @optional_scopes ||= OAuth::Scopes.new
end

def realm
  @realm ||= 'Doorkeeper'
end

def refresh_token_enabled?
  !!@refresh_token_enabled
end

def scopes
  @scopes ||= default_scopes + optional_scopes
end

def token_grant_types
  @token_grant_types ||= calculate_token_grant_types
end