using EnVisage.Code.BLL;
using EnVisage.Models;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace EnVisage.Code.Integration
{
    public class IntergrationHelper
    {
        
        private static string HelperClass = "EnVisage.Code.Integration.AccessInf, IntergrationAccessInf, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null";
        
        public static AccessInf GetIntergrationClass(IntergrationAccessType t, IntegrationConnectionModel model)
        {
            if (model == null)
            {
                IntegrationManager man = new IntegrationManager(new EnVisageEntities());
                model = man.getModel(t);
            }
           
            string AccessStringType = model.AccessClass;
            if (String.IsNullOrEmpty(AccessStringType))
            {
                return null;
            }
            else {
                System.Type AccessType = System.Type.GetType(AccessStringType);
                if (AccessType == null)
                {
                    throw (new NullReferenceException("AccessType"+ AccessStringType + " can not be found"));
                }
                System.Type tp = System.Type.GetType(HelperClass);
                if (!tp.IsAssignableFrom(AccessType))
                {
                    throw (new ArgumentException("AccessType("+ AccessStringType + ") does not inherit from "+ HelperClass));

                }
                AccessInf crm = (AccessInf) Activator.CreateInstance(AccessType,model.Url,model.UserId,model.Password);
                return (crm);
            }

        }
    }
}