/*
|-------------------------------------------------------------------------------|
|	Copyright © Computer Ease Limited								            |
|	Address: 1/9 Bloack-A Lalmatia, Dhaka-1207, Bangladesh			            |
|	Email: info@celimited.com, cease@bol-online.com, web: www.celimited.com     |
|	Unauthorized copy or distribution is strictly prohibited		            |
|	Author: S. M. Russel,  Last modified date: 18/04/2009						|
|-------------------------------------------------------------------------------|
*/

using System;
using System.Collections.Generic;

namespace Ease.Core.Model
{
    #region Services

    /// <summary>
    ///This class returns the appropriate service factory according to configuration 
    /// </summary>
    public class Services
    {
        private static ServiceFactory _factory;
        private const string defaultKey = "serviceHandler";
        private static Dictionary<string, ServiceFactory> _keyBaseServices;

        static Services()
        {
            _keyBaseServices = new Dictionary<string, ServiceFactory>();
            _factory = new ServiceFactory(defaultKey);
        }

        /// <summary>
        /// Return default service facory
        /// </summary>
        public static ServiceFactory Factory
        {
            get { return _factory; }
        }

        /// <summary>
        /// Crete an instance of services.
        /// </summary>
        /// <param name="serviceHandlerKey">Key is used handle services</param>
        public Services(string serviceHandlerKey)
        {
            if (_keyBaseServices.ContainsKey(serviceHandlerKey))
                return;

            ServiceFactory svc = new ServiceFactory(serviceHandlerKey);
            _keyBaseServices.Add(serviceHandlerKey, svc);
        }

        /// <summary>
        /// Return Service factory according to parameter.
        /// </summary>
        /// <param name="svcKey">Valid key of existing services</param>
        /// <returns></returns>
        public ServiceFactory KeyBaseFactory(string svcKey)
        {
            if (_keyBaseServices != null && _keyBaseServices.ContainsKey(svcKey))
                return _keyBaseServices[svcKey];

            return null;
        }
    }

    #endregion
}