using System;
using System.Collections.Generic;
using System.Data.Entity;
using System.Data.Entity.Migrations;
using MySql.Data.Entity;
using System.Linq;
using System.Text;
using EgtBEAMWALL.DbDataLayer.DatabaseModels;
using EgtBEAMWALL.DbDataLayer.Migrations;
using System.ServiceProcess;
//using EgtBEAMWALL.DataLayer.Migrations;
//using EgtBEAMWALL.DataLayer.Controllers;

namespace EgtBEAMWALL.DbDataLayer
{

   [DbConfigurationType(typeof(MySqlEFConfiguration))]
   public class DatabaseContext : DbContext
   {
      /// <summary>
      /// BTLParts management
      /// </summary>
      public DbSet<BTLPartModel> BTLPartList { get; set; }
      /// <summary>
      /// Parts management
      /// </summary>
      public DbSet<ProdModel> ProdList { get; set; }
      /// <summary>
      /// Parts management
      /// </summary>
      public DbSet<ProjModel> ProjList { get; set; }
      /// <summary>
      /// Parts management
      /// </summary>
      public DbSet<RawPartModel> RawPartList { get; set; }
      /// <summary>
      /// Parts management
      /// </summary>
      public DbSet<PartModel> PartList { get; set; }

#if false
      /// <summary>
      /// Db data mode
      /// </summary>
      public static bool AdvDataModel { get; set; } = false;
#endif

      //providerName="System.Data.EntityClient"

      
      public static string CONNECTION_STRING = $"server={Constants.DATABASE_SERV};port=3306;database={Constants.DATABASE_NAME};uid={Constants.DATABASE_USER};pwd={Constants.DATABASE_PWD};";
 
      public DatabaseContext() : base(CONNECTION_STRING)
      {
      }

      public static DatabaseContext Create()
      {
         return new DatabaseContext();
      }

      private static string getDbServiceName()
      {
         ServiceController[] services = ServiceController.GetServices();
         var service = services.FirstOrDefault(s => s.ServiceName == "MariaDB");
         if (service != null)
            return service.DisplayName;

         service = services.FirstOrDefault(s => s.ServiceName == "MySQL");
         if (service != null)
            return service.DisplayName;

         return "";

      }

      public static bool SetUpDbConnectionAndDbConfig()
      {
         try
         {
               String serviceName = getDbServiceName();
               if (serviceName.Equals(""))
               {
                  return false;
               }


               ServiceController service = new ServiceController(serviceName);
               try
               {
                  TimeSpan timeout = TimeSpan.FromSeconds(Constants.DATABASE_PROCESS_TIMEOUT);
                  service.WaitForStatus(ServiceControllerStatus.Running, timeout);
               }
               catch (Exception ex)
               {
                  return false;
               }



               System.Data.Entity.Database.SetInitializer<DatabaseContext>(null);
               var migrator = new DbMigrator(new Configuration());

               if (migrator.GetPendingMigrations().Any())
               {
                  // Run migrations and seed.
                  migrator.Update();
               }

         }
         catch (Exception ex)
         {
            return false;
         }

         return true;
      }

   }
}