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.DataLayer.DatabaseModels;
using EgtBEAMWALL.DataLayer.Migrations;
using System.ServiceProcess;
using System.IO;
using System.Data.Entity.Infrastructure;

namespace EgtBEAMWALL.DataLayer
{
    //[DbConfigurationType(typeof(MySqlEFConfiguration))]
    public class aMySqlConfiguration : MySqlEFConfiguration
    {
        #region Public Constructors

        public aMySqlConfiguration() : base()
        {
            var path = Path.GetDirectoryName(this.GetType().Assembly.Location);
            SetModelStore(new DefaultDbModelStore(path));
        }

        #endregion Public Constructors
    }

    [DbConfigurationType(typeof(MySqlEFConfiguration))]
    //[DbConfigurationType(typeof(aMySqlConfiguration))]
    public class DatabaseContext : DbContext
    {
        #region Public Constructors

        [Obsolete("This constructor should never be used directly, and is only needed to generate entityframework stuff. Connection string can be adapted as pleased.")]
        public DatabaseContext() : base("DefaultConnection")
        {
        }

        public DatabaseContext(string connectionString) : base(connectionString)
        {
            Database.CreateIfNotExists();
            //Database.SetInitializer(new MigrateDatabaseToLatestVersion<StratonLocalizerDatabase, Migrations.Configuration>());
            Database.Initialize(false);
        }

        #endregion Public Constructors

        #region Public Properties

        /// <summary>
        /// BTLParts management
        /// </summary>
        public DbSet<BTLPartModel> BTLPartList { get; set; }

        /// <summary>
        /// Machine Log management
        /// </summary>
        public DbSet<LogMachineModel> LogMachineList { get; set; }

        /// <summary>
        /// Support Log management
        /// </summary>
        public DbSet<LogSupportModel> LogSupportList { get; set; }

        /// <summary>
        /// Parts management
        /// </summary>
        public DbSet<MachGroupModel> MachGroupList { get; set; }

        /// <summary>
        /// Parts management
        /// </summary>
        public DbSet<PartModel> PartList { get; set; }

        /// <summary>
        /// Parts management
        /// </summary>
        public DbSet<ProdModel> ProdList { get; set; }

        /// <summary>
        /// Parts management
        /// </summary>
        public DbSet<ProjModel> ProjList { get; set; }

        /// <summary>
        /// StatusMap management
        /// </summary>
        public DbSet<StatusMapModel> StatusMapList { get; set; }

        #endregion Public Properties

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

        #region Private Methods

        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 "";
        }

        #endregion Private Methods

        #region Public Methods

        public static DatabaseContext Create()
        {
            return new DatabaseContext(DbConfig.CONNECTION_STRING);
        }

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

                ServiceController service = new ServiceController(serviceName);
                try
                {
                    TimeSpan timeout = TimeSpan.FromSeconds(DbConfig.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;
        }

        #endregion Public Methods
    }
}