using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using EnVisage.Models;
using EnVisage.Code.Cache;
using System.Data.Entity;

namespace EnVisage.Code.BLL
{
    public class RoleManager : ManagerBase<AspNetRole, RoleModel>
    {
        public RoleManager(EnVisageEntities dbContext)
            : base(dbContext)
        {
        }

        protected override AspNetRole InitInstance()
        {
            return new AspNetRole();// { Id = Guid.NewGuid().ToString() };
        }

        protected override AspNetRole RetrieveReadOnlyById(Guid key)
        {
            return DataTable.AsNoTracking().FirstOrDefault(t => t.Id == key.ToString());
        }

        public override System.Data.Entity.DbSet<AspNetRole> DataTable
        {
            get
            {
                return DbContext.AspNetRoles;
            }
        }

        public override AspNetRole Save(RoleModel model)
		{
			if (model == null)
                throw new ArgumentNullException("model");

            new UsersCache().Invalidate();

            #region Save Role data
            AspNetRole dbObj = null;
            //ENV-746 START
            //if (model.Id != Guid.Empty)
            if (!model.isNew)
            //ENV-746 END
                dbObj = DbContext.AspNetRoles.Find(model.Id.ToString());
            if (dbObj == null)
            {
                //ENV-746 START
                Guid g = Guid.NewGuid();
                dbObj = new AspNetRole {Id = g.ToString() };
                model.setIDForNewModel(g);
                //ENV-746 END
            }
            model.CopyTo(dbObj);
            //ENV-746 START
            if (model.isNew)
            //if (model.Id == Guid.Empty)
            //ENV-746 END
                DbContext.AspNetRoles.Add(dbObj);
            else
                DbContext.Entry(dbObj).State = EntityState.Modified;
            #endregion

            return dbObj;
		}
    }
}