using Microsoft.Extensions.DependencyInjection;

namespace IM.Commons
{
    public interface IRedisService
    {
        /// <summary>
        /// 设置缓存
        /// </summary>
        /// <typeparam name="T">缓存对象类型</typeparam>
        /// <param name="key">缓存索引值</param>
        /// <param name="value">要缓存的对象</param>
        /// <param name="expiration">过期时间</param>
        /// <returns></returns>
        Task SetAsync<T>(string key, T value, TimeSpan? expiration = null);
        /// <summary>
        /// 获取缓存
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="key">缓存索引</param>
        /// <returns></returns>
        Task<T?> GetAsync<T>(string key);
        /// <summary>
        /// 删除缓存
        /// </summary>
        /// <param name="key">缓存索引</param>
        /// <returns></returns>
        Task RemoveAsync(string key);
    }

    public static class RedisServiceExtension
    {
        public static IServiceCollection AddRedisCache(this IServiceCollection services)
        {
            return services.AddScoped<IRedisService, RedisCacheService>();
        }
    }
}