using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Reflection;
using System.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Bowin.Common.Utility;

namespace Bowin.Common.Cache
{
    public static class CacheHelper 
    {
        public static void UseCache<T>(this IServiceCollection service) where T : class, ICacheProvider, new()
        {
            service.AddSingleton<ICacheProvider, T>();
            CacheProvider.Config<T>(service);
        }

        public static object Add(string key, object entry)
        {
            ICacheProvider cacheProvider = HttpHelper.GetService<ICacheProvider>();

            if (cacheProvider == null)
            {
                throw new Exception("请在Startup先指定缓存类型。");
            }
            return cacheProvider.Add(key, entry);
        }
        public static object Add(string key, object entry, DateTime utcExpiry)
        {
            ICacheProvider cacheProvider = HttpHelper.GetService<ICacheProvider>();
            if (cacheProvider == null)
            {
                throw new Exception("请在Startup先指定缓存类型。");
            }
            return cacheProvider.Add(key, entry, utcExpiry);
        }
        public static object Get(string key)
        {
            ICacheProvider cacheProvider = HttpHelper.GetService<ICacheProvider>();
            if (cacheProvider == null)
            {
                throw new Exception("请在Startup先指定缓存类型。");
            }
            return cacheProvider.Get(key);
        }
        public static void Remove(string key)
        {
            ICacheProvider cacheProvider = HttpHelper.GetService<ICacheProvider>();
            if (cacheProvider == null)
            {
                throw new Exception("请在Startup先指定缓存类型。");
            }
            cacheProvider.Remove(key);
        }
        public static void Set(string key, object entry)
        {
            ICacheProvider cacheProvider = HttpHelper.GetService<ICacheProvider>();
            if (cacheProvider == null)
            {
                throw new Exception("请在Startup先指定缓存类型。");
            }
            cacheProvider.Set(key, entry);
        }
        public static void Set(string key, object entry, DateTime utcExpiry)
        {
            ICacheProvider cacheProvider = HttpHelper.GetService<ICacheProvider>();
            if (cacheProvider == null)
            {
                throw new Exception("请在Startup先指定缓存类型。");
            }
            cacheProvider.Set(key, entry, utcExpiry);
        }
    }
}