using DAL.Redis;
using Ninject;
using System;
using System.Configuration;
using System.IO;
using System.Text;
using System.Web;
using WX.CRM.Common;
using WX.CRM.DAL.Redis;
using WX.CRM.IBLL.WeWork;
using WX.CRM.Model.DTO.wework;
using WX.CRM.WebHelper.Infrastructure;

namespace WxService
{
    /// <summary>
    /// WeWorkFileUpload 的摘要说明
    /// </summary>
    public class WeWorkFileUpload : IHttpHandler
    {
        private readonly PubSub _sub = new PubSub();
        private IWeWork_MsgKey msgkey = NinjectControllerFactory.ninjectKernel.Get<IWeWork_MsgKey>();
        public void ProcessRequest(HttpContext context)

        {
            string keymd5 = string.Empty;
            try
            {
                //LogHelper.Info("===调用成功====");
                context.Response.ContentType = "text/html";
                keymd5 = context.Request.Params["keymd5"];
                if (string.IsNullOrEmpty(keymd5))
                {
                    HttpContext.Current.Response.Write(Utility.ObjectToJson(new { result = true, message = "找不到keyMD5", url = keymd5 }));
                }
                string filename = context.Request.Params["filename"];
                if (string.IsNullOrEmpty(filename))
                    throw new Exception("filename不能为空!");
                string type = HttpUtility.UrlDecode(context.Request.Params["type"], Encoding.UTF8); ;

                //LogHelper.Info("fileName：" + fileName + ";msgSvrId:" + msgSvrId + ";context.Request.Files:" + context.Request.Files.Count);
                HttpPostedFile file = context.Request.Files[0];
                var yearMonth = DateTime.Now.Year.ToString() + DateTime.Now.Month.ToString();
                //string uploadFolder = (ConfigurationManager.AppSettings["uploadfile"] ?? "uploadfile") + "/" + yearMonth;
                var uploadFolder = string.Empty;

                uploadFolder = (ConfigurationManager.AppSettings["weworkfile"] ?? "weworkfile") + "/" + yearMonth;

                if (!Directory.Exists(uploadFolder))
                {
                    Directory.CreateDirectory(uploadFolder);
                }
                string filePath = Path.Combine(uploadFolder, filename);
                file.SaveAs(filePath);
                PushRedisAsync(keymd5, filename, type);
                //PushRedisAsync.Current.Response.Clear();
                HttpContext.Current.Response.Write(Utility.ObjectToJson(new { result = true, message = "接收成功", url = filename }));
            }
            catch (Exception ex)
            {
                LogHelper.Error("keymd5:" + keymd5 + ";错误：" + ex.ToString());
                //HttpContext.Current.Response.Clear();
                HttpContext.Current.Response.Write(Utility.ObjectToJson(new { result = false, message = "接收失败：" + ex.Message }));
            }
        }

        private void PushRedisAsync(string _keymd5, string _path, string _type)
        {
            var redisKey = "weworkfile:" + _keymd5;
            var fileWebUrl = "/weworkfile/" + DateTime.Now.Year.ToString() + DateTime.Now.Month.ToString() + "/" + _path;

            var model = new weworkfilepath
            {
                keymd5 = _keymd5,
                path = fileWebUrl,
                type = _type
            };
            RedisString<string> rdb = new RedisString<string>(redisKey);
            TimeSpan span = new TimeSpan(30 * 6, 0, 0, 0, 0);//保留180天
            rdb.Set(fileWebUrl, span);

            PushRedisAndPublish(model, "weworkfile");
        }
        private void PushRedisAndPublish<T>(T model, string key)
        {
            //写入队列
            var result = new RedisList<T>().LeftPush(key, model);
            if (result > 0)
            {
                //发送订阅通知
                _sub.Publish("sub:" + key, "");
            }
        }
        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }
}