using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using EgtBEAMWALL.DataLayer.DatabaseModels;

namespace EgtBEAMWALL.DataLayer.Controllers
{
    public class LogSupportController : IDisposable
    {
        #region Private Fields

#if false
        private DatabaseContext localDbCtx; 
#endif

        #endregion Private Fields

        #region Public Constructors

        public LogSupportController()
        {
#if false
            // Initialize database context
            localDbCtx = new DatabaseContext(DbConfig.CONNECTION_STRING); 
#endif
        }

        #endregion Public Constructors

        #region Public Methods

        /// <summary>
        /// Create support LOG record
        /// </summary>
        /// <param name="dtCreated"></param>
        /// <param name="fileName"></param>
        /// <param name="dtExported"></param>
        /// <param name="sn"></param>
        /// <param name="description"></param>
        /// <param name="eventType"></param>
        /// <param name="message"></param>
        /// <param name="value"></param>
        /// <returns></returns>
        public bool Create(DateTime dtCreated, Core.LogSupportLevel level, Core.LogSupportTarget target, string message)
        {
            bool fatto = false;
            using (DatabaseContext localDbCtx = new DatabaseContext(DbConfig.CONNECTION_STRING))
            {
                try
                {
                    try
                    {
                        LogSupportModel newItem = new LogSupportModel() { DtEvent = dtCreated, Level = level, Target = target, Message = message };
                        // Add to database
                        localDbCtx.LogSupportList.Add(newItem);
                        // Commit changes
                        localDbCtx.SaveChanges();
#if false
                        ResetController(); 
#endif
                    }
                    catch (Exception exc)
                    {
                        Console.WriteLine($"EXCEPTION on Create LogSupport: {exc}");
                    }
                }
                catch
                { }
            }
            return fatto;
        }

        /// <summary>
        /// Delete by key
        /// </summary>
        /// <param name="LogDbId"></param>
        /// <returns></returns>
        public bool DeleteByKey(int LogDbId)
        {
            bool done = false;
            using (DatabaseContext localDbCtx = new DatabaseContext(DbConfig.CONNECTION_STRING))
            {
                var items2del = localDbCtx
                .LogSupportList
                .Where(x => x.LogDbId == LogDbId);
                try
                {
                    // Add to database
                    localDbCtx.LogSupportList.RemoveRange(items2del);
                    // Commit changes
                    localDbCtx.SaveChanges();
#if false
                    ResetController(); 
#endif
                    done = true;
                }
                catch (Exception exc)
                {
                    Console.WriteLine($"EXCEPTION on DeleteByKey: {exc}");
                }
            }
            return done;
        }

        public void Dispose()
        {
#if false
            // Clear database context
            localDbCtx.Dispose(); 
#endif
        }

        /// <summary>
        /// Get record by LogDbId
        /// </summary>
        /// <param name="LogDbId"></param>
        /// <returns></returns>
        public LogSupportModel FindByDbId(int LogDbId)
        {
            using (DatabaseContext localDbCtx = new DatabaseContext(DbConfig.CONNECTION_STRING))
            {
                return localDbCtx
                .LogSupportList
                .Where(x => x.LogDbId == LogDbId)
                .SingleOrDefault();
            }
        }

        /// <summary>
        /// Get paginated data from DB (ASC ordered)
        /// </summary>
        /// <param name="dtStart"></param>
        /// <param name="dtEnd"></param>
        /// <returns></returns>
        public List<LogSupportModel> GetPaginatedAsc(DateTime dtStart, DateTime dtEnd)
        {
            // retrieve
            using (DatabaseContext localDbCtx = new DatabaseContext(DbConfig.CONNECTION_STRING))
            {
                return localDbCtx
                .LogSupportList
                .Where(x => x.DtEvent >= dtStart && x.DtEvent <= dtEnd)
                .OrderBy(x => x.DtEvent)
                .ToList();
            }
        }

        /// <summary>
        /// Get paginated data from DB (DESC ordered)
        /// </summary>
        /// <param name="dtStart"></param>
        /// <param name="dtEnd"></param>
        /// <returns></returns>
        public List<LogSupportModel> GetPaginatedDesc(DateTime dtStart, DateTime dtEnd)
        {
            // retrieve
            using (DatabaseContext localDbCtx = new DatabaseContext(DbConfig.CONNECTION_STRING))
            {
                return localDbCtx
                .LogSupportList
                .Where(x => x.DtEvent >= dtStart && x.DtEvent <= dtEnd)
                .OrderByDescending(x => x.DtEvent)
                .ToList();
            }
        }

#if false
        /// <summary>
        /// Reinizializzaizone del controller
        /// </summary>
        public void ResetController()
        {
            // Re-Initialize database context
            localDbCtx = new DatabaseContext(DbConfig.CONNECTION_STRING);
        } 
#endif

        /// <summary>
        /// Update single LogMachineModel
        /// </summary>
        /// <param name="updItem"></param>
        /// <returns></returns>
        public bool Update(LogSupportModel updItem)
        {
            bool done = false;
            using (DatabaseContext localDbCtx = new DatabaseContext(DbConfig.CONNECTION_STRING))
            {
                var item2update = localDbCtx
                .LogSupportList
                .Where(x => x.LogDbId == updItem.LogDbId)
                .SingleOrDefault();
                try
                {
                    // update, vers 1...
                    localDbCtx.Entry(item2update).CurrentValues.SetValues(updItem);

                    // Commit changes
                    localDbCtx.SaveChanges();
#if false
                    ResetController(); 
#endif
                    done = true;
                }
                catch (Exception exc)
                {
                    Console.WriteLine($"EXCEPTION on Update: {exc}");
                }
            }
            return done;
        }

        #endregion Public Methods
    }
}