using System;
using Kreta.Core;
using Kreta.Framework;

namespace Kreta.DataAccessManual.Util
{
    internal class Connection : ConnectionBase
    {
        public Connection(string sessionId) : base(sessionId)
        {
            activatedByMe = ActivateSession();
        }

        protected override bool ActivateSession()
        {
            return DataUtil.ActivateSession(this.SessionId);
        }

        protected override void DeactivateSession()
        {
            DataUtil.DeactivateSession(SessionId);
        }
    }

    internal class OrganizationConnection : ConnectionBase
    {
        private readonly string intezmenyAzonosito;

        public OrganizationConnection(string intezmenyAzonosito) : base(string.Empty)
        {
            this.intezmenyAzonosito = intezmenyAzonosito;
            activatedByMe = ActivateSession();
        }

        protected override bool ActivateSession()
        {
            return DataUtil.ActivateOrganizationSystemSession(intezmenyAzonosito);
        }

        protected override void DeactivateSession()
        {
            DataUtil.DeactivateOrganizationSystemSession();
        }
    }

    internal class MobileConnection : ConnectionBase
    {
        private readonly string intezmenyAzonosito;

        public MobileConnection(string intezmenyAzonosito, int? tanevId, int? felhasznaloId) : base(string.Empty)
        {
            this.intezmenyAzonosito = intezmenyAzonosito;
            activatedByMe = ActivateSession();

            if (tanevId.IsEntityId())
            {
                UserContext.Instance.SetTanev(tanevId.Value, tanevId.Value);
            }
            if (felhasznaloId.IsEntityId())
            {
                UserContext.Instance.SetFelhasznaloId(felhasznaloId.Value);
            }
        }

        protected override bool ActivateSession()
        {
            return DataUtil.ActivateMobileSession(intezmenyAzonosito);
        }

        protected override void DeactivateSession()
        {
            DataUtil.DeactivateMobileSession();
        }
    }

    internal class SystemConnection : ConnectionBase
    {
        public SystemConnection() : base(string.Empty)
        {
            activatedByMe = ActivateSession();
        }

        protected override bool ActivateSession()
        {
            return DataUtil.ActivateSystemSession();
        }

        protected override void DeactivateSession()
        {
            DataUtil.DeactivateSystemSession();
        }
    }

    internal class ServiceSystemConnection : ConnectionBase
    {
        private readonly string connectionString;

        public ServiceSystemConnection(string connectionString) : base(string.Empty)
        {
            this.connectionString = connectionString;
            activatedByMe = ActivateSession();
        }

        protected override bool ActivateSession()
        {
            return DataUtil.ActivateServiceSystemSession(connectionString);
        }

        protected override void DeactivateSession()
        {
            DataUtil.DeactivateServiceSystemSession();
        }
    }

    internal abstract class ConnectionBase : IDisposable
    {
        /*TODO: ezek törölhetőek lesznek ha majd kikopik a helperes Session aktiváció*/
        protected bool activatedByMe = false;

        protected readonly string SessionId;

        internal ConnectionBase(string sessionId)
        {
            this.SessionId = sessionId;
        }

        protected virtual bool ActivateSession()
        {
            return false;
        }

        protected virtual void DeactivateSession()
        {
        }

        ~ConnectionBase()
        {
            Dispose();
        }

        public void Dispose()
        {
            if (activatedByMe)
            {
                DeactivateSession();
            }
        }
    }
}