using System;
using System.Configuration;
using System.Data;
using System.IO;
using System.Net;
using WX.CRM.BLL.weapp;
using WX.CRM.Common;

namespace WeChatServerServices.Weapp
{
    public class WxImgFlagDownLoad
    {
        public void Start()
        {
            WxDownload();
            WxAppDownload();
        }

        /// <summary>
        /// 微信下载
        /// </summary>
        private void WxDownload()
        {
            string imgFlagPath = ConfigurationManager.AppSettings["WxImgFlagPath"] != null ? ConfigurationManager.AppSettings["WxImgFlagPath"] : "D:/web/WXFILE/flag/";
            WX_UserInfo_BL nbl = new WX_UserInfo_BL();
            DataTable table = nbl.Get_ImgFlagForDownLoad();
            WebClient client = new WebClient();

            if (!Directory.Exists(imgFlagPath))//没有文件夹就创建
            {
                Directory.CreateDirectory(imgFlagPath);
            }
            //string filePath = Path.Combine(uploadFolder, fileName);
            try
            {
                string filename = string.Empty;
                string username = string.Empty;
                foreach (DataRow item in table.Rows)
                {
                    if (item["reserved1"] == DBNull.Value)
                        continue;
                    filename = DateTime.Now.ToString("yyyyMMddHHmmssffff");
                    username = item["username"].ToString();
                    string jpgname = filename + ".jpg";
                    string URLAddress = item["reserved1"].ToString() + "?i=" + filename;
                    string NewFile = Path.Combine(imgFlagPath, jpgname);
                    client.DownloadFile(URLAddress, NewFile);//进行文件下载
                    string fileMD5 = FileUnit.GetMD5HashFromFile(NewFile);//文件MD5获取
                    nbl.Upadte_ImgFlag(username, fileMD5, jpgname);
                }
            }
            catch (Exception ex)
            {
                LogHelper.Error("下载头像失败:" + ex.ToString());
            }
            finally { client.Dispose(); }

        }

        /// <summary>
        /// 公众号小程序下载
        /// </summary>
        private void WxAppDownload()
        {
            string imgFlagPath = ConfigurationManager.AppSettings["WxWeapImgFlagPath"] != null ? ConfigurationManager.AppSettings["WxWeapImgFlagPath"] : "D:/web/WXFILE/weapflag/";
            WX_UserInfo_BL nbl = new WX_UserInfo_BL();
            DataTable table = nbl.Get_WeapUserInfo();
            WebClient client = new WebClient();

            if (!Directory.Exists(imgFlagPath))//没有文件夹就创建
            {
                Directory.CreateDirectory(imgFlagPath);
            }
            //string filePath = Path.Combine(uploadFolder, fileName);
            try
            {
                string filename = string.Empty;
                string username = string.Empty;
                foreach (DataRow item in table.Rows)
                {
                    if (item["avatarurl"] == DBNull.Value)
                        continue;
                    filename = DateTime.Now.ToString("yyyyMMddHHmmssffff");
                    username = item["openid"].ToString();
                    string jpgname = filename + ".jpg";
                    string URLAddress = item["avatarurl"].ToString() + "?i=" + filename;
                    string NewFile = Path.Combine(imgFlagPath, jpgname);
                    client.DownloadFile(URLAddress, NewFile);//进行文件下载
                    string fileMD5 = FileUnit.GetMD5HashFromFile(NewFile);//文件MD5获取
                    nbl.Up_WeapImgFlag(username, fileMD5, jpgname);
                }
            }
            catch (Exception ex)
            {
                LogHelper.Error("下载头像失败:" + ex.ToString());
            }
            finally { client.Dispose(); }

        }
    }
}