using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.IO;
using CY.Infrastructure;
using CY.BLL;
using CY.Model;
using System.Web.SessionState;
using CY.Infrastructure.Common;

namespace CY.WebForm
{
    /// <summary>
    /// OnlineAdviserLOGO 的摘要说明
    /// </summary>
    public class OnlineAdviserLOGO : IHttpHandler, IReadOnlySessionState, IRequiresSessionState
    {
        #region 定义目录和初始

        /// <summary>
        /// 临时目录
        /// </summary>
        static string temppath = "/images/Upload/" + DateTime.Now.ToString("yyyyMMdd") + "/temp/";
        /// <summary>
        /// 保存文件目录
        /// </summary>
        static string path = "/images/Upload/" + DateTime.Now.ToString("yyyyMMdd") + "/";
        /// <summary>
        /// 当前登陆人
        /// </summary>
        EC_MemberBasic m_EC_MemberBasic = new EC_MemberBasic();

        public void ProcessRequest(HttpContext context)
        {
            m_EC_MemberBasic = context.Session["nowMemberLogin"] as EC_MemberBasic;

            //区分参数
            string AjaxSign = context.Request.QueryString["input"];
            //返回上次后的地址
            string overpath = "";
            //上传
            string result = fajaxUpLoad(context, out overpath);

            DealAjax(AjaxSign, overpath);
            HttpContext.Current.Response.Clear();
            HttpContext.Current.Response.Write(result);
            HttpContext.Current.Response.End();
        }

        #endregion

        #region 修改部分

        /// <summary>
        /// 处理程序
        /// </summary>
        /// <param name="AjaxSign">区分参数</param>
        /// <param name="path">文件地址</param>
        private void DealAjax(string AjaxSign, string path)
        {
            if (AjaxSign.IndexOf("OnlineAdviser") >= 0)
            {
                EC_OnlineAdviserBLL bll_EC_OnlineAdviserBLL = new EC_OnlineAdviserBLL();

                //path存储到用户头像字段
                EC_OnlineAdviser m_EC_OnlineAdviser = bll_EC_OnlineAdviserBLL.GetModelByKeyid(AjaxSign.Replace("OnlineAdviser", "").ToInt32());
                if (m_EC_OnlineAdviser != null && !string.IsNullOrEmpty(path))
                {
                    m_EC_OnlineAdviser.LOGO = path;        //LOGO[Type=string] - 头像
                    bll_EC_OnlineAdviserBLL.UpdateModel(m_EC_OnlineAdviser);
                }
            }
        }

        #endregion

        #region 处理程序

        private string fajaxUpLoad(HttpContext context, out string overpath)
        {
            overpath = "";
            if (!string.IsNullOrEmpty(context.Request["Filename"]) && !string.IsNullOrEmpty(context.Request["Upload"]))
            {
                CY.WebForm.cs.UploadCS.UpFileResult _UpFileResult0 = CY.WebForm.cs.UploadCS.Upload("", temppath, "");
                //string filepath = CY.WebForm.cs.UploadCS.GetRootUrl(_UpFileResult0.returnfilename.Count > 0 ? _UpFileResult0.returnfilename[0].ToString() : "");
                string filepath = (_UpFileResult0.returnfilename.Count > 0 ? _UpFileResult0.returnfilename[0].ToString() : "");
                HttpContext.Current.Response.Clear();
                HttpContext.Current.Response.Write(filepath);
                HttpContext.Current.Response.End();
            }
            if (!string.IsNullOrEmpty(context.Request["avatar1"]) && !string.IsNullOrEmpty(context.Request["avatar2"]) && !string.IsNullOrEmpty(context.Request["avatar3"]))
            {
                string result = string.Empty;

                //if (!(SaveAvatar("avatar1", uid) && SaveAvatar("avatar2", uid) && SaveAvatar("avatar3", uid)))
                if (!SaveAvatar("avatar1", path, out overpath))
                {//失败
                    result = "<?xml version=\"1.0\" ?><root><face success=\"0\"/></root>";
                }
                else
                {
                    result = "<?xml version=\"1.0\" ?><root><face success=\"1\"/></root>";
                }
                return result;
            }
            return null;
        }

        private byte[] FlashDataDecode(string s)
        {
            byte[] r = new byte[s.Length / 2];
            int l = s.Length;
            for (int i = 0; i < l; i = i + 2)
            {
                int k1 = ((int)s[i]) - 48;
                k1 -= k1 > 9 ? 7 : 0;
                int k2 = ((int)s[i + 1]) - 48;
                k2 -= k2 > 9 ? 7 : 0;
                r[i / 2] = (byte)(k1 << 4 | k2);
            }
            return r;
        }

        private bool SaveAvatar(string avatar, string path, out string overpath)
        {
            overpath = "";
            byte[] b = FlashDataDecode(HttpContext.Current.Request[avatar]);
            if (b.Length == 0)
                return false;
            string size = "";
            if (avatar == "avatar1")
                size = "large";
            else if (avatar == "avatar2")
                size = "medium";
            else
                size = "small";

            string filename = DateTime.Now.ToString("yyyyMMddHHmmssffff") + MathRandom.RandomNumber(4).ToString() + "_{0}." + "jpg";
            filename = string.Format(filename, size);
            string AllFolderPath = CY.WebForm.cs.UploadCS.GetMapPath(path);
            if (!Directory.Exists(AllFolderPath))
                Directory.CreateDirectory(AllFolderPath);
            FileStream fs = new FileStream(AllFolderPath + filename, FileMode.Create);
            fs.Write(b, 0, b.Length);
            fs.Close();
            overpath = path + filename;
            return true;
        }

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }

        #endregion
    }
}