using System.Threading.Tasks;
using EntrustSettle.Common;
using EntrustSettle.Common.Caches;
using EntrustSettle.Common.Option;
using Microsoft.Extensions.DependencyInjection;
using StackExchange.Redis;

namespace EntrustSettle.Extensions.ServiceExtensions;

public static class CacheSetup
{
    /// <summary>
    /// 统一注册缓存
    /// </summary>
    /// <param name="services"></param>
    public static void AddCacheSetup(this IServiceCollection services)
    {
        //string path = "D:\\EntrustSettle\\委托结算临时日志.txt";s
        var cacheOptions = App.GetOptions<RedisOptions>();

        cacheOptions.Enabled = AppSettings.app("Redis", "Enabled").ObjToBool();
        cacheOptions.ConnectionString = AppSettings.app("Redis", "ConnectionString");
        cacheOptions.InstanceName = AppSettings.app("Redis", "InstanceName");

        //File.AppendAllText(path, cacheOptions.ToJson() + Environment.NewLine);
        if (cacheOptions.Enabled)
        {
            //File.AppendAllText(path, "添加Redis缓存" + Environment.NewLine);
            // 配置启动Redis服务，虽然可能影响项目启动速度，但是不能在运行的时候报错，所以是合理的
            services.AddSingleton<IConnectionMultiplexer>(sp =>
            {
                //获取连接字符串
                var configuration = ConfigurationOptions.Parse(cacheOptions.ConnectionString, true);
                configuration.ResolveDns = true;
                return ConnectionMultiplexer.Connect(configuration);
            });
            services.AddSingleton<ConnectionMultiplexer>(p => p.GetService<IConnectionMultiplexer>() as ConnectionMultiplexer);
            //使用Redis
            services.AddStackExchangeRedisCache(options =>
            {
                options.ConnectionMultiplexerFactory = () => Task.FromResult(App.GetService<IConnectionMultiplexer>(false));
                if (!cacheOptions.InstanceName.IsNullOrEmpty()) options.InstanceName = cacheOptions.InstanceName;
            });

            services.AddTransient<IRedisBasketRepository, RedisBasketRepository>();
        }
        else
        {
            //File.AppendAllText(path, "添加内存缓存" + Environment.NewLine);
            // 使用内存缓存
            services.AddMemoryCache();
            // 分布式内存缓存
            services.AddDistributedMemoryCache();
        }

        services.AddSingleton<ICaching, Caching>();
        //File.AppendAllText(path, "添加缓存结束" + Environment.NewLine);
    }
}