using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using Spring.Context;
using Spring.Context.Support;
using Spring.Objects;
using Spring.Objects.Factory;
using System.Collections;
using log4net;

namespace Sleis.Infrastructure
{
    public static class SpringServiceProvider
    {

        private static readonly ILog _log = LogManager.GetLogger(typeof(SpringServiceProvider));
        private static readonly IApplicationContext context;

        static SpringServiceProvider()
        {
            context = ContextRegistry.GetContext() as IApplicationContext;
            _log.InfoFormat("Context Loaded On: {0} Objects: {1}", 
                context.StartupDate, context.ObjectDefinitionCount);

            _log.Info("Initializing lookups....");
            Utility.LookupUtility.Init();
            _log.Info("Done initializing lookups");
        }

        public static T GetService<T>()
        {
            return GetServices<T>().FirstOrDefault<T>();
        }

        public static T GetService<T>(string name)
        {
            T obj = (T)context.GetObject(name);
            _log.DebugFormat("Service: {0} from Context: {1}, Object: {2}", name, context.StartupDate, obj);
            return obj;
        }

        public static IEnumerable<T> GetServices<T>()
        {
            List<T> list = new List<T>();
            foreach (string name in context.GetObjectNamesForType(typeof(T)))
            {
                _log.DebugFormat("Service Type: {0} from Context: {1}", typeof(T).Name, context.StartupDate);
                list.Add(GetService<T>(name));
            }

            return list;
        }
    }
}