using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

using System.IO;
using System.Net;
using SuperMap.RealEstate.Utility;

namespace SuperMap.RealEstate.HousingSecurity.APIPlugs.flashuploader
{
    public class MyUpFileInfo
    {
        //hzz:
        //转换 HttpPostedFileBase filebase = new HttpPostedFileWrapper(HttpPostedFile);   
        //
        private HttpPostedFileBase _httpPostedFile;
        public HttpPostedFileBase HttpPostedFileBase
        {
            get { return _httpPostedFile; }
        }


        /// <summary>
        /// 直接用对应数据库的表进行构造,方便处理
        /// </summary>
        /// <param name="entity"></param>
        public MyUpFileInfo(t_upfilesInfo entity)
        {
            _Entity = entity;
        }

        //public UpFileInfo(HttpPostedFileBase postfile, int userid)
        //{
        //    string _md5 = GetMD5_32(postfile.InputStream);
        //    string _ext = Path.GetExtension(postfile.FileName).ToLower();
        //    string _usergroup = GetMD5_32(userid.ToString()).Substring(0, 2); //按用户HASH分组(00-ff)

        //    _Entity = new t_upfilesInfo();
        //    _Entity.md5 = _md5;
        //    _Entity.fileext = _ext;
        //    _Entity.mimetype = postfile.ContentType;
        //    _Entity.filesize = postfile.ContentLength;
        //    _Entity.filename = postfile.FileName;
        //    //Init(postfile, userid);
        //}
        public MyUpFileInfo(HttpPostedFileBase postfilebase, int userid, bool isnews = false)
        {
            Init(postfilebase, userid, isnews);
        }
        public MyUpFileInfo(HttpPostedFile postfile, int userid, bool isnews = false)
        {
            Init(new HttpPostedFileWrapper(postfile), userid, isnews);
        }
        public MyUpFileInfo(HttpWebResponse webfile, byte[] bytes, int userid)
        {
            Init(webfile, bytes, userid);
        }

        private static string[] filetype_img = { ".gif", ".png", ".jpg", ".jpeg", ".bmp" };
        private static string[] filetype_file = { ".rar", ".doc", ".docx", ".zip", ".pdf", ".txt" };
        private static string[] filetype_flv = { ".swf", ".mp3", ".mp4", ".flv", ".wmv", ".rmvb", ".mkv" };


        public void Init(HttpPostedFileBase postfile, int userid, bool isnews = false)
        {
            this._httpPostedFile = postfile;

            string _md5 = GetMD5_32(postfile.InputStream);
            string _ext = Path.GetExtension(postfile.FileName).ToLower();
            string _usergroup = userid.ToEncrypt(); //GetMD5_32(userid.ToString());//.Substring(0, 2); //按用户HASH分组(00-ff)

            _Entity = new t_upfilesInfo();
            _Entity.md5 = _md5;
            _Entity.filetime = DateTime.Now.ToFileTime().ToString();
            _Entity.fileext = _ext;
            _Entity.mimetype = postfile.ContentType;
            _Entity.filesize = postfile.ContentLength;
            _Entity.filename = postfile.FileName;
            //_Entity.tags = postfile.ContentType;
            //_Entity.intro = postfile.ContentType;

            //服务端路径和文件名设定
            _Entity.serverfilename = _Entity.filetime + _ext;
            //_Entity.serverfilename = _md5 + _ext;

           
            if (isnews)
            {
                //新闻目录
                if (filetype_img.Contains(_ext))
                {
                    _Entity.serverpath = string.Format("/Temporary/HousingSecurity/news/img/");
                }
                else if (filetype_flv.Contains(_ext))
                {
                    _Entity.serverpath =  string.Format("/Temporary/HousingSecurity/news/flv/");
                }
                else
                {
                    _Entity.serverpath = string.Format("/Temporary/HousingSecurity/news/file/");
                }
            }
            else
            {
                //统一的文件目录（用于房源图片）
                if (filetype_img.Contains(_ext))
                {
                    _Entity.serverpath =  string.Format("/Temporary/HousingSecurity/img/{0}/", _usergroup);
                }
                else if (filetype_flv.Contains(_ext))
                {
                    _Entity.serverpath =  string.Format("/Temporary/HousingSecurity/flv/{0}/", _usergroup);
                }
                else
                {
                    _Entity.serverpath = string.Format("/Temporary/HousingSecurity/file/{0}/",  _usergroup);
                }
            }

            _Entity.serverAllPhysicalPath = ServerFullSavePathAndFileNameExt;
           
        }

        public void Init(HttpWebResponse webfile, byte[] bytes, int userid)
        {
            string _remoteUrl = webfile.ResponseUri.ToString();
            string _md5 = GetMD5_32(new MemoryStream(bytes));
            string _ext = Path.GetExtension(_remoteUrl).ToLower();
            string _usergroup = userid.ToEncrypt();//GetMD5_32(userid.ToString()); //按用户HASH分组(00-ff)

            _Entity = new t_upfilesInfo();

            _Entity.md5 = _md5;
            _Entity.filetime = DateTime.Now.ToFileTime().ToString();
            _Entity.fileext = _ext;
            _Entity.mimetype = webfile.ContentType;
            _Entity.filesize = Convert.ToInt32(webfile.ContentLength);
            _Entity.filename = Path.GetFileName(_remoteUrl);

            //服务端路径和文件名设定
            _Entity.serverfilename = _Entity.filetime + _ext;
            _Entity.serverpath = string.Format("/Temporary/HousingSecurity/web/{0}/", _usergroup);
        }

        public string GetUri()
        {
            //int fid
            return (this._Entity.serverpath + _Entity.filetime + _Entity.fileext).Replace("\\", "/");
        }

        private t_upfilesInfo _Entity;
        /// <summary>
        /// 数据库对应的文件记录信息
        /// </summary>
        public t_upfilesInfo Entity
        {
            get { return _Entity; }
            set { _Entity = value; }
        }


        /// <summary>
        /// 服务器完整物理路径,包含盘符(仅完整物理路径)
        /// <para>格式：E:\01_MyWorks\left9_2013\src\Hzz.WebSite\upload\img\201306\c4\</para>
        /// <para></para>
        /// </summary>
        public string ServerFullSavePath
        {
            get
            {
                return System.Web.HttpContext.Current.Server.MapPath("~" + _Entity.serverpath);
            }
        }

        /// <summary>
        /// 服务器完整存储路径(完整物理路径+文件名)
        /// <para>格式：E:\01_MyWorks\left9_2013\src\Hzz.WebSite\upload\img\201306\c4\0f28df94d0f9cd42.jpg</para>
        /// </summary>
        public string ServerFullSavePathAndFileNameExt
        {
            get
            {
                return ServerFullSavePath + ServerSaveFileName;
            }
        }

        /// <summary>
        /// 服务器保存路径（相对路径）
        /// <para>格式：/upload/img/201306/c4/</para>
        /// </summary>
        public string ServerSavePath
        {
            get
            {
                return _Entity.serverpath;
            }
        }

        /// <summary>
        /// 服务器保存文件名(md5 hash后基本唯一)
        /// <para>0f28df94d0f9cd42.jpg</para>
        /// </summary>
        public string ServerSaveFileName
        {
            get
            {
                return _Entity.serverfilename;
            }
        }

        ///// <summary>
        ///// 访问的参考URL
        ///// <para>格式：/upload/img/{00-ff}/{md5}.abc</para>
        ///// </summary>
        //public string PreviewUri
        //{
        //    get
        //    {
        //        return this._Entity.serverpath + _Entity.md5 + _Entity.fileext;
        //    }
        //}

        ///// <summary>
        ///// 新的文件名+文件后缀
        ///// </summary>
        //public string Uri_FileName
        //{
        //    get
        //    {
        //        return _Entity.md5 + _Entity.fileext;
        //    }
        //}


        private static string GetMD5_32(Stream stream)
        {
            System.Security.Cryptography.MD5CryptoServiceProvider md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
            string resule = BitConverter.ToString(md5.ComputeHash(stream));
            return resule.Replace("-", "").ToLower();
        }
        private static string GetMD5_32(string str)
        {
            System.Security.Cryptography.MD5CryptoServiceProvider md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
            string resule = BitConverter.ToString(md5.ComputeHash(System.Text.UTF8Encoding.Default.GetBytes(str)));
            return resule.Replace("-", "").ToLower();
        }

        public byte[] GetPicBlob(string PicPath)
        {
            FileStream fs = new FileStream(PicPath, FileMode.Open);
            byte[] byDate = new byte[fs.Length];
            fs.Read(byDate, 0, byDate.Length);
            fs.Close();
            return byDate;
        }
    }
}