public virtual Configuration GetServerConfiguration()

in apps/samplecode/automotive/apisamples/Microsoft.Dynamics.Automotive.Samples/helpercode/CrmServiceHelpers.cs [196:330]
106 lines of code
20 McCabe index (conditional complexity)

        public virtual Configuration GetServerConfiguration()
        {
            Boolean ssl;
            Boolean addConfig;
            int configNumber;
            // Read the configuration from the disk, if it exists, at C:\Users\<username>\AppData\Roaming\CrmServer\Credentials.xml.
            Boolean isConfigExist = ReadConfigurations();

            // Check if server configuration settings are already available on the disk.
            if (isConfigExist)
            {
                // List of server configurations that are available from earlier saved settings.
                Console.Write("\n(0) Add New Server Configuration (Maximum number up to 9)\t");
                for (int n = 0; n < configurations.Count; n++)
                {
                    String user;

                    switch (configurations[n].EndpointType)
                    {
                        case AuthenticationProviderType.ActiveDirectory:
                            if (configurations[n].Credentials != null)
                                user = configurations[n].Credentials.Windows.ClientCredential.Domain + "\\"
                                    + configurations[n].Credentials.Windows.ClientCredential.UserName;
                            else
                                user = "default";
                            break;
                        default:
                            if (configurations[n].Credentials != null)
                                user = configurations[n].Credentials.UserName.UserName;
                            else
                                user = "default";
                            break;
                    }

                    Console.Write("\n({0}) Server: {1},  Org: {2},  User: {3}\t",
                        n + 1, configurations[n].ServerAddress, configurations[n].OrganizationName, user);
                }

                Console.WriteLine();

                Console.Write("\nSpecify the saved server configuration number (1-{0}) [{0}] : ", configurations.Count);
                String input = Console.ReadLine();
                Console.WriteLine();
                if (input == String.Empty) input = configurations.Count.ToString();
                if (!Int32.TryParse(input, out configNumber)) configNumber = -1;

                if (configNumber == 0)
                {
                    addConfig = true;
                }
                else if (configNumber > 0 && configNumber <= configurations.Count)
                {
                    // Return the organization Uri.
                    config = configurations[configNumber - 1];
                    // Reorder the configuration list and save it to file to save the recent configuration as a latest one. 
                    if (configNumber != configurations.Count)
                    {
                        Configuration temp = configurations[configurations.Count - 1];
                        configurations[configurations.Count - 1] = configurations[configNumber - 1];
                        configurations[configNumber - 1] = temp;                        
                    }
                    addConfig = false;
                }
                else
                    throw new InvalidOperationException("The specified server configuration does not exist.");
            }
            else
                addConfig = true;

            if (addConfig)
            {
                // Get the server address. If no value is entered, default to Microsoft Dynamics
                // CRM Online in the North American data center.
                config.ServerAddress = GetServerAddress(out ssl);

                if (String.IsNullOrWhiteSpace(config.ServerAddress))
                    config.ServerAddress = "crm.dynamics.com";


                // One of the Microsoft Dynamics CRM Online data centers.
                if (config.ServerAddress.EndsWith(".dynamics.com", StringComparison.InvariantCultureIgnoreCase))
                {
                    // Check if the organization is provisioned in Microsoft Office 365.
                    if (GetOrgType(config.ServerAddress))
                    {
                    config.DiscoveryUri =
                        new Uri(String.Format("https://disco.{0}/XRMServices/2011/Discovery.svc", config.ServerAddress));
                    }
                    else
                    {
                    config.DiscoveryUri =
                        new Uri(String.Format("https://dev.{0}/XRMServices/2011/Discovery.svc", config.ServerAddress));

                    // Get or set the device credentials. This is required for Microsoft account authentication. 
                    config.DeviceCredentials = GetDeviceCredentials(); 
                    }
                }
                // Check if the server uses Secure Socket Layer (https).
                else if (ssl)
                    config.DiscoveryUri =
                        new Uri(String.Format("https://{0}/XRMServices/2011/Discovery.svc", config.ServerAddress));
                else
                    config.DiscoveryUri =
                        new Uri(String.Format("http://{0}/XRMServices/2011/Discovery.svc", config.ServerAddress));

                // Get the target organization.
                config.OrganizationUri = GetOrganizationAddress();
                configurations.Add(config);
                int length = configurations.Count;
                int i = length - 2;
                // Check if a new configuration already exists. 
                // If found, reorder list to show latest in use.                                   
                while (i > 0)
                {

                    if (configurations[configurations.Count - 1].Equals(configurations[i]))
                    {   
                        configurations.RemoveAt(i);
                    }
                    i--;
                }
                // Set max configurations to 9 otherwise overwrite existing one.
                if (configurations.Count > 9)
                {
                    configurations.RemoveAt(0);
                }                
            }
            else
            {
                // Get the existing user's logon credentials.
                config.Credentials = GetUserLogonCredentials(config);
            }           
            SaveConfigurations();
            return config;
        }