using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Text;
using log4net;
using Microsoft.Practices.ServiceLocation;

namespace Taloyhtio.GeneralApi.IntegrationUtility.Services.Impl
{
    public class SettingsProvider : ISettingsProvider
    {
        private ILog logger = ServiceLocator.Current.GetInstance<ILog>();

        public T Get<T>(string key) where T : class
        {
            try
            {
                return get<T>(key);
            }
            catch (Exception x)
            {
                this.logger.ErrorFormat(string.Format("{0}\n{1}", x.Message, x.StackTrace));
                return null;
            }
        }

        public T? GetVal<T>(string key) where T : struct
        {
            try
            {
                return get<T>(key);
            }
            catch (Exception x)
            {
                this.logger.ErrorFormat(string.Format("{0}\n{1}", x.Message, x.StackTrace));
                return null;
            }
        }

        private T get<T>(string key)
        {
            string val = ConfigurationManager.AppSettings[key];
            return (T) Convert.ChangeType(val, typeof (T));
        }
    }
}