public IMailboxManager CreateMailboxManager()

in Mail2Bug/Email/MailboxManagerFactory.cs [20:55]
31 lines of code
3 McCabe index (conditional complexity)

        public IMailboxManager CreateMailboxManager(Config.EmailSettings emailSettings)
        {
            var credentialsHelper = new Helpers.CredentialsHelper();
            string password = credentialsHelper.GetPassword(emailSettings.EWSPasswordFile, emailSettings.EncryptionScope, emailSettings.EWSKeyVaultSecret);
            var credentials = new EWSConnectionManger.Credentials
            {
                EmailAddress = emailSettings.EWSMailboxAddress,
                UserName = emailSettings.EWSUsername,
                Password = password
            };

            var exchangeService = _connectionManger.GetConnection(credentials, emailSettings.UseConversationGuidOnly);
            var postProcessor = GetPostProcesor(emailSettings, exchangeService.Service);

            switch (emailSettings.ServiceType)
            {
                case Config.EmailSettings.MailboxServiceType.EWSByFolder:
                    return new FolderMailboxManager(
                        exchangeService.Service, 
                        emailSettings.IncomingFolder,
                        postProcessor,
                        emailSettings.UseConversationGuidOnly);

                case Config.EmailSettings.MailboxServiceType.EWSByRecipients:

                    return new RecipientsMailboxManager(
                        exchangeService.Router,
                        ParseDelimitedList(emailSettings.Recipients, ';'),
                        postProcessor);

                default:
                    throw new BadConfigException(
                        "EmailSettings.ServiceType",
                        string.Format("Invalid mailbox service type defined in config ({0})", emailSettings.ServiceType));
            }
        }