using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web.Services.Protocols;
using Walkthrough.sforce;

namespace Walkthrough
{

   class QuickstartApiSample
   {
      private SforceService binding;

      [STAThread]
      static void Main(string[] args)
      {
         QuickstartApiSample sample = new QuickstartApiSample();
         sample.run();
      }

      public void run()
      {

         if (login())
         {

            describeGlobalSample();


            describeSObjectsSample();


            querySample();


            logout();
         }
      }

      private bool login()
      {
         Console.Write("Enter username: ");
         string username = Console.ReadLine();
         Console.Write("Enter password: ");
         string password = Console.ReadLine();


         binding = new SforceService();


         LoginResult lr;
         try
         {

            Console.WriteLine("\nLogging in...\n");
            lr = binding.login(username, password);
         }


         catch (SoapException e)
         {


            Console.WriteLine(e.Code);



            Console.WriteLine("An unexpected error has occurred: " + e.Message);


            Console.WriteLine(e.StackTrace);

            return false;
         }



         if (lr.passwordExpired)
         {
            Console.WriteLine("An error has occurred. Your password has expired.");
            return false;
         }


         String authEndPoint = binding.Url;


         binding.Url = lr.serverUrl;

         binding.SessionHeaderValue = new SessionHeader();
         binding.SessionHeaderValue.sessionId = lr.sessionId;

         printUserInfo(lr, authEndPoint);

         return true;
      }

      private void printUserInfo(LoginResult lr, String authEP)
      {
         try
         {
            GetUserInfoResult userInfo = lr.userInfo;

            Console.WriteLine("\nLogging in ...\n");
            Console.WriteLine("UserID: " + userInfo.userId);
            Console.WriteLine("User Full Name: " +
                userInfo.userFullName);
            Console.WriteLine("User Email: " +
                userInfo.userEmail);
            Console.WriteLine();
            Console.WriteLine("SessionID: " +
                lr.sessionId);
            Console.WriteLine("Auth End Point: " +
                authEP);
            Console.WriteLine("Service End Point: " +
                lr.serverUrl);
            Console.WriteLine();
         }
         catch (SoapException e)
         {
            Console.WriteLine("An unexpected error has occurred: " + e.Message +
                " Stack trace: " + e.StackTrace);
         }
      }

      private void logout()
      {
         try
         {
            binding.logout();
            Console.WriteLine("Logged out.");
         }
         catch (SoapException e)
         {


            Console.WriteLine(e.Code);

            Console.WriteLine("An unexpected error has occurred: " + e.Message);
            Console.WriteLine(e.StackTrace);
         }
      }


      private void describeGlobalSample()
      {
         try
        {

            DescribeGlobalResult dgr = binding.describeGlobal();

            Console.WriteLine("\nDescribe Global Results:\n");
            for (int i = 0; i < dgr.sobjects.Length; i++)
            {
               Console.WriteLine(dgr.sobjects[i].name);
            }
         }
         catch (SoapException e)
         {
            Console.WriteLine("An exception has occurred: " + e.Message +
                "\nStack trace: " + e.StackTrace);
         }
      }


      private void describeSObjectsSample()
      {
         Console.Write("\nType the name of the object to " +
             "describe (try Account): ");
         string objectType = Console.ReadLine();
         try
         {

            DescribeSObjectResult[] dsrArray = binding.describeSObjects(new string[] { objectType });

            DescribeSObjectResult dsr = dsrArray[0];

            Console.WriteLine("\n\nObject Name: " + dsr.name);

            if (dsr.custom) Console.WriteLine("Custom Object");
            if (dsr.label != null) Console.WriteLine("Label: " + dsr.label);

            if (dsr.createable) Console.WriteLine("Createable");
            if (dsr.deletable) Console.WriteLine("Deleteable");
            if (dsr.queryable) Console.WriteLine("Queryable");
            if (dsr.replicateable) Console.WriteLine("Replicateable");
            if (dsr.retrieveable) Console.WriteLine("Retrieveable");
            if (dsr.searchable) Console.WriteLine("Searchable");
            if (dsr.undeletable) Console.WriteLine("Undeleteable");
            if (dsr.updateable) Console.WriteLine("Updateable");

            Console.WriteLine("Number of fields: " + dsr.fields.Length);

            for (int i = 0; i < dsr.fields.Length; i++)
            {

               Field field = dsr.fields[i];

               Console.WriteLine("Field name: " + field.name);
               Console.WriteLine("\tField Label: " + field.label);

               if (field.nameField)
                  Console.WriteLine("\tThis is a name field.");

               if (field.restrictedPicklist)
                  Console.WriteLine("This is a RESTRICTED picklist field.");
               Console.WriteLine("\tType is: " + field.type.ToString());

               if (field.length > 0)
                  Console.WriteLine("\tLength: " + field.length);

               if (field.scale > 0)
                  Console.WriteLine("\tScale: " + field.scale);

               if (field.precision > 0)
                  Console.WriteLine("\tPrecision: " + field.precision);

               if (field.digits > 0)
                  Console.WriteLine("\tDigits: " + field.digits);

               if (field.custom)
                  Console.WriteLine("\tThis is a custom field.");
               if (field.nillable) Console.WriteLine("\tCan be nulled.");
               if (field.createable) Console.WriteLine("\tCreateable");
               if (field.filterable) Console.WriteLine("\tFilterable");
               if (field.updateable) Console.WriteLine("\tUpdateable");

               if (field.type.Equals(fieldType.picklist))
               {
                  Console.WriteLine("\tPicklist Values");
                  for (int j = 0; j < field.picklistValues.Length; j++)
                     Console.WriteLine("\t\t" + field.picklistValues[j].value);
               }

               if (field.type.Equals(fieldType.reference))
               {
                  Console.WriteLine("\tCan reference these objects:");
                  for (int j = 0; j < field.referenceTo.Length; j++)
                     Console.WriteLine("\t\t" + field.referenceTo[j]);
               }
               Console.WriteLine("");
            }
         }
         catch (SoapException e)
         {
            Console.WriteLine("An exception has occurred: " + e.Message +
                "\nStack trace: " + e.StackTrace);
         }
         Console.WriteLine("Press ENTER to continue...");
         Console.ReadLine();
      }

      private void querySample()
      {
         String soqlQuery = "SELECT FirstName, LastName FROM Contact";
         try
         {
            QueryResult qr = binding.query(soqlQuery);
            bool done = false;

            if (qr.size > 0)
            {
               Console.WriteLine("Logged-in user can see "
                     + qr.records.Length + " contact records.");

               while (!done)
               {
                  Console.WriteLine("");
                  sObject[] records = qr.records;
                  for (int i = 0; i < records.Length; i++)
                  {
                     Contact con = (Contact)records[i];
                     string fName = con.FirstName;
                     string lName = con.LastName;
                     if (fName == null)
                        Console.WriteLine("Connect " + (i + 1) + ": " + lName);
                     else
                        Console.WriteLine("Connect " + (i + 1) + ": " + fName
                               + " " + lName);
                  }

                  if (qr.done)
                  {
                     done = true;
                  }
                  else
                  {
                     qr = binding.queryMore(qr.queryLocator);
                  }
               }
            }
            else
            {
               Console.WriteLine("No records found.");
            }
         }
         catch (Exception ex)
         {
            Console.WriteLine("\nFailed to execute query succesfully," +
                "error message was: \n{0}", ex.Message);
         }
         Console.WriteLine("\nPress ENTER to continue...");
         Console.ReadLine();
      }
   }
}