<%@ WebHandler Language="C#" Class="chromeSaveUrlData" %>

using System;
using System.Web;
using System.Runtime.Serialization.Json;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System.Web.Services.Protocols;
using System.Security.Cryptography;
using System.Text;
using System.Web.SessionState;
using System.Data;
using System.Collections.Generic;
using System.IO.Compression;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using Facebook;
using System.Net;
using System.Collections.Specialized;

public class chromeSaveUrlData : IHttpHandler
{

    public void ProcessRequest(HttpContext context)
    {
        result objRet = new result();
        DataContractJsonSerializer json = new DataContractJsonSerializer(objRet.GetType());
        context.Response.ContentType = "application/json;charset=utf-8";
        context.Response.AddHeader("Access-Control-Allow-Origin", "*");

        string id = (context.Request["id"] == null) ? "" : context.Request["id"].ToString();
        string pwd = (context.Request["pwd"] == null) ? "" : context.Request["pwd"].ToString();

        string method = (context.Request["method"] == null) ? "" : context.Request["method"].ToString();
        string project_uid = (context.Request["project_uid"] == null) ? "" : context.Request["project_uid"].ToString();
        string url_uid = (context.Request["url_uid"] == null) ? "" : context.Request["url_uid"].ToString();
        string url_descript = (context.Request["url_descript"] == null) ? "" : context.Request["url_descript"].ToString();
        string url_directToUrl = (context.Request["url_directToUrl"] == null) ? "" : context.Request["url_directToUrl"].ToString();
        string url_Code = (context.Request["url_Code"] == null) ? "" : context.Request["url_Code"].ToString();
        string url_gifTag = (context.Request["url_gifTag"] == null) ? "N" : context.Request["url_gifTag"].ToString();
        string url_gifLink = (context.Request["url_gifLink"] == null) ? "" : context.Request["url_gifLink"].ToString();
        string url_fbTag = (context.Request["url_fbTag"] == null) ? "N" : context.Request["url_fbTag"].ToString();
        string url_fbTitle = (context.Request["url_fbTitle"] == null) ? "" : context.Request["url_fbTitle"].ToString();
        string url_fbDescript = (context.Request["url_fbDescript"] == null) ? "" : context.Request["url_fbDescript"].ToString();
        string url_fbPixel = (context.Request["url_fbPixel"] == null) ? "N" : context.Request["url_fbPixel"].ToString();
        string url_fbPixelCode = (context.Request["url_fbPixelCode"] == null) ? "" : context.Request["url_fbPixelCode"].ToString();
        string url_googleAds = (context.Request["url_googleAds"] == null) ? "N" : context.Request["url_googleAds"].ToString();
        string url_googleAwConversionId = (context.Request["url_googleAwConversionId"] == null) ? "" : context.Request["url_googleAwConversionId"].ToString();
        string url_playBtn = (context.Request["url_playBtn"] == null) ? "N" : context.Request["url_playBtn"].ToString();
        string pic_data = (context.Request["pic_data"] == null) ? "" : context.Request["pic_data"].ToString();
        string url_photoId = "";

        string errmsg = "";

        if (url_descript == "")
        {
            errmsg += "沒有短網址說明!\n";
        }

        if (url_descript == "")
        {
            errmsg += "沒有短網址說明!\n";
        }

        if (url_Code == "")
        {
            errmsg += "沒有短網址碼!\n";
        }

        if (url_directToUrl == "")
        {
            errmsg += "沒有目的地網址!\n";
        }

        if (project_uid == "")
        {
            errmsg += "沒有專案代碼!\n";
        }

        if (method == "") {
            errmsg += "Method!\n";
        }

        if (errmsg.Length > 0)
        {
            objRet.ret = "no";
            objRet.err_code = "0005";
            objRet.message = errmsg;
            json.WriteObject(context.Response.OutputStream, objRet);
            return;
        }

        string user_sql = string.Format("select * from users where user_id = '{0}'", id);
        autoBindDataTable objUser = new autoBindDataTable(user_sql);

        if (objUser.dataRows.Count == 0)
        {
            string elab_sql = string.Format("select * from new_userdata where userid = '{0}'", id);
            autoBindElab objElabUser = new autoBindElab(elab_sql);

            if (objElabUser.dataRows.Count == 0)
            {
                objRet.ret = "no";
                objRet.err_code = "0001";
                objRet.message = "無此帳號密碼!";
                json.WriteObject(context.Response.OutputStream, objRet);
                return;
            }
            else
            {
                objRet.ret = "no";
                objRet.err_code = "0002";
                objRet.message = "此帳號尚未擁有權限，請專案管理者加入權限!";
                json.WriteObject(context.Response.OutputStream, objRet);
                return;
            }
        }
        else
        {
            //系統內建帳號
            if (objUser.dataRows[0]["user_type"].ToString() == "Y")
            {
                if (objUser.dataRows[0]["user_onjob"].ToString() == "N")
                {
                    objRet.ret = "no";
                    objRet.err_code = "0003";
                    objRet.message = "此帳號已經離職!";
                    json.WriteObject(context.Response.OutputStream, objRet);
                    return;
                }

                if (pwd != SHA256_Encode(objUser.dataRows[0]["user_pwd"].ToString()))
                {
                    string test = SHA256_Encode(objUser.dataRows[0]["user_pwd"].ToString());
                    objRet.ret = "no";
                    objRet.err_code = "0004";
                    objRet.message = "密碼有誤!";
                    json.WriteObject(context.Response.OutputStream, objRet);
                    return;
                }
            }

            //E白板帳號
            if (objUser.dataRows[0]["user_type"].ToString() == "N")
            {
                string elab_sql = string.Format("select * from new_userdata where userid = '{0}'", id);
                autoBindElab objElabUser = new autoBindElab(elab_sql);

                if (objElabUser.dataRows.Count == 0)
                {
                    objRet.ret = "no";
                    objRet.err_code = "0001";
                    objRet.message = "無此帳號密碼!";
                    json.WriteObject(context.Response.OutputStream, objRet);
                    return;
                }
                else
                {
                    if (objElabUser.dataRows[0]["onjob"].ToString() == "1")
                    {
                        objUser.dataRows[0]["user_onjob"] = "N";
                        objUser.updateDataTable();

                        objRet.ret = "no";
                        objRet.err_code = "0003";
                        objRet.message = "此帳號已經離職!";
                        json.WriteObject(context.Response.OutputStream, objRet);
                        return;
                    }

                    if (pwd != SHA256_Encode(objElabUser.dataRows[0]["userpw"].ToString()))
                    {
                        objRet.ret = "no";
                        objRet.err_code = "0004";
                        objRet.message = "密碼有誤!";
                        json.WriteObject(context.Response.OutputStream, objRet);
                        return;
                    }
                }
            }

            if (method == "add")
            {
                string checkString = string.Format("select * from url where url_Code Collate SQL_Latin1_General_CP1_CS_AS = '{0}'", url_Code);
                autoBindDataTable checkSQL = new autoBindDataTable(checkString);

                if (checkSQL.dataRows.Count > 0)
                {
                    objRet.ret = "no";
                    objRet.err_code = "0006";
                    objRet.message = "此短網址已經被使用了，請換一組短網址碼再試一次!";
                    json.WriteObject(context.Response.OutputStream, objRet);
                    return;
                }

                url_uid = globalClass.CreateRandomCode(32);
                url_photoId = globalClass.CreateRandomCode(36);

                urlObj objUrl = new urlObj();
                objUrl.url_uid = url_uid;
                objUrl.project_uid = project_uid;
                objUrl.url_descript = url_descript;
                objUrl.url_directToUrl = url_directToUrl;
                objUrl.url_Code = url_Code;
                objUrl.url_playBtn = url_playBtn;
                objUrl.url_fbTag = url_fbTag;
                objUrl.url_gifTag = url_gifTag;
                objUrl.url_gifLink = url_gifLink;
                objUrl.url_fbTitle = url_fbTitle;
                objUrl.url_fbDescript = url_fbDescript;
                objUrl.url_fbPixel = url_fbPixel;
                objUrl.url_fbPixelCode = url_fbPixelCode;
                objUrl.url_googleAds = url_googleAds;
                objUrl.url_googleAwConversionId = url_googleAwConversionId;
                objUrl.url_createUid = id;
                objUrl.url_photoId = url_photoId;


                string picChange = "N";

                JToken jsonObj;

                string base64Img = "";


                try
                {
                    jsonObj = JValue.Parse(pic_data);
                    picChange = jsonObj[0]["meta"]["picChange"].ToString();
                    base64Img = jsonObj[0]["output"]["image"].ToString();
                }
                catch
                {

                }

                if (picChange == "Y")
                {
                    //base64Img = jsonObj[0]["output"]["image"].ToString();
                    objUrl.pic_image = globalClass.Base64ToImage(base64Img);
                }

                try
                {

                    objUrl.updateData();
                    objRet.data = objUrl;
                    objRet.ret = "yes";
                }
                catch (Exception ex)
                {
                    objRet.ret = "no";
                    objRet.err_code = "9999";
                    objRet.message = ex.Message;
                }


                json.WriteObject(context.Response.OutputStream, objRet);
                return;
            }
        }
    }

    string SHA256_Encode(string value)
    {
        byte[] bytValue = System.Text.Encoding.UTF8.GetBytes(value);
        try
        {
            SHA256 sha256 = new SHA256CryptoServiceProvider();
            byte[] retVal = sha256.ComputeHash(bytValue);
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < retVal.Length; i++)
            {
                sb.Append(retVal[i].ToString("x2"));
            }
            return sb.ToString();
        }
        catch (Exception ex)
        {
            throw new Exception("GetSHA256HashFromString() fail,error:" + ex.Message);
        }

    }

    public class result
    {
        public string ret = "no";
        public string err_code = "0000";
        public string message = "";
        public urlObj data = new urlObj();
    }

    public bool IsReusable
    {
        get
        {
            return false;
        }
    }

}