using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data;
using System.IO;
using System.Drawing;
using System.Collections;

namespace FangYar.ZHSQAPP.ashx
{
    /// <summary>
    /// CommonHandler 的摘要说明
    /// </summary>
    public class CommonHandler : IHttpHandler
    {

        private FangYar.BLL.CommomBLL bll = new BLL.CommomBLL();

        public void ProcessRequest(HttpContext context)
        {
            context.Response.ContentType = "text/json";
            string action = context.Request.Params["Action"];
            string returnstr = "";

            switch (action)
            {

                case "GetTEXT":
                    returnstr = GetTEXT(context);
                    break;
                case "HYTYPE":
                    returnstr = GetHYTYPE(context);
                    break;
                case "getDicList":
                    returnstr = getDicList(context);
                    break;
                case "getModsDicList":
                    returnstr = getModsDicList(context);
                    break;
                case "UploadImg":
                    returnstr = GetUploadImg(context);
                    break;
                case "UserName":
                    returnstr = GetUserName(context);
                    break;
                case "GetHomeCount":  //获取首页中的综合数据统计
                    returnstr = GetHomeCount(context);
                    break;
                case "UploadFiles":  //
                    returnstr = UploadFiles(context);
                    break;
            }
            context.Response.Write(returnstr);
        }


        //根据字典表 类型、value值获取text
        private string GetTEXT(HttpContext context)
        {
            string returnstr = "";
            try
            {
                FangYar.Model.LoginUserModel user = FangYar.Common.UserHelper.GetUser(context);
                string modCode = context.Request.Params["mod_code"];
                string dicValue = context.Request.Params["dic_value"];

                if (user != null)
                {

                    string modtype = context.Request.Params["modtype"];
                    returnstr = "{\"code\":0,\"msg\":\"\",\"data\":";
                    DataTable data = bll.GetTableList("*", "tbl_sys_dicdetail", " MOD_CODE ='" + modCode + "' and DIC_VALUE = '" + dicValue + "'");
                    returnstr += FangYar.Common.JsonHelper.ToJson(data);
                    returnstr += "}";
                }
                else { returnstr = "{\"code\":-2,\"msg\":\"登录超时\",\"count\":0,\"data\":[]}"; }
            }
            catch
            {
                returnstr = "{\"code\":0,\"msg\":\"error\",\"count\":0,\"data\":[]}";
            }
            return returnstr;
        }

        //查询行业类型
        private string GetHYTYPE(HttpContext context)
        {
            string returnstr = "";
            try
            {
                FangYar.Model.LoginUserModel user = FangYar.Common.UserHelper.GetUser(context);


                if (user != null)
                {
                    DataTable list = (DataTable)FangYar.Common.CacheHelper.GetCache("HYTYPE");
                    if (list == null)
                    {
                        list = bll.GetTableList("*", "tbl_sys_dicdetail", " MOD_CODE ='HYTYPE'");
                        FangYar.Common.CacheHelper.SetCache("HYTYPE", list);
                    }
                    string where = " DEV_CODE = '" + user.OrgID + "' ";
                    where += " and RECORD_STATE ='0' ";

                    returnstr = "{\"code\":1,\"msg\":\"\",";
                    returnstr += "\"data\":{";
                    returnstr += FangYar.Common.JsonHelper.ToJson(list);
                    returnstr += "}";
                    returnstr += "}";
                }
                else { returnstr = "{\"code\":-2,\"msg\":\"登录超时\",\"count\":0,\"data\":[]}"; }
            }
            catch
            {
                returnstr = "{\"code\":0,\"msg\":\"error\",\"count\":0,\"data\":[]}";
            }
            return returnstr;
        }

        //查询字典列表
        private string getDicList(HttpContext context)
        {
            string returnstr = "";
            try
            {
                string modtype = context.Request.Params["modtype"];
                returnstr = "{\"code\":0,\"msg\":\"\",\"data\":";
                DataTable data = bll.GetTableList("*", "tbl_sys_dicdetail", " MOD_CODE ='" + modtype + "' ORDER BY DIC_ORDER");
                returnstr += FangYar.Common.JsonHelper.ToJson(data);
                returnstr += "}";
            }
            catch
            {
                returnstr = "{\"code\":0,\"msg\":\"error\",\"count\":0,\"data\":[]";
            }
            return returnstr;
        }

        //查询多类型字典列表
        private string getModsDicList(HttpContext context)
        {
            string returnstr = "";
            try
            {
                string modtypes = context.Request.Params["modtypes"];

                string[] modtypeArray = modtypes.Split(',');
                string modtype_s = "";
                for (int i = 0; i < modtypeArray.Length; i++)
                {
                    if (i == 0)
                    {
                        modtype_s = "'" + modtypeArray[i] + "'";
                    }
                    else
                    {
                        modtype_s += ",'" + modtypeArray[i] + "'";
                    }
                }

                returnstr = "{\"code\":0,\"msg\":\"\",\"data\":";
                DataTable data = bll.GetTableList("*", "tbl_sys_dicdetail", " MOD_CODE in(" + modtype_s + ") order by MOD_CODE , DIC_ORDER");
                returnstr += FangYar.Common.JsonHelper.ToJson(data);
                returnstr += "}";
            }
            catch
            {
                returnstr = "{\"code\":0,\"msg\":\"error\",\"count\":0,\"data\":[]";
            }
            return returnstr;
        }

        //图片上传
        private string GetUploadImg(HttpContext context)
        {
            string end = "{\"code\": -1,\"msg\": \"\",\"data\": {\"src\": \"\"}}"; //返回的json

            var file = context.Request.Files[0]; //获取选中文件
            string serverPath = context.Request.Params["fileUrl"];

            Stream stream = file.InputStream;    //将文件转为流

            System.Drawing.Image img = Image.FromStream(stream);//将流中的图片转换为Image图片对象

            Random ran = new Random((int)DateTime.Now.Ticks);//利用时间种子解决伪随机数短时间重复问题
            if (!Directory.Exists(context.Server.MapPath("~/" + serverPath)))
            {
                DirectoryInfo directoryInfo = new DirectoryInfo(context.Server.MapPath("~/" + serverPath));
                directoryInfo.Create();
            }

            //文件保存位置及命名，精确到毫秒并附带一组随机数，防止文件重名，数据库保存路径为此变量
            //string serverPath = "Upload/Device/";
            string filename = serverPath + DateTime.Now.ToString("yyyyMMddhhmmssms") + ran.Next(99999) + ".jpg";
            //路径映射为绝对路径
            string path = context.Server.MapPath("~/") + filename;
            try
            {
                img.Save(path);//图片保存，JPEG格式图片较小

                //保存成功后的json
                end = "{\"code\": 0,\"msg\": \"\",\"data\": {\"src\": \"" + filename + "\"}}";
            }
            catch (Exception ex) { }
            return end;
        }

        //根据入库登录名，更新登录名获取相应 姓名
        private string GetUserName(HttpContext context)
        {
            string returnstr = "";
            try
            {
                string A_PER = context.Request.Params["A_PER"];
                string U_PER = context.Request.Params["U_PER"];
                returnstr = "{\"code\":0,\"msg\":\"\",\"Data\":";
                DataTable data = bll.getUserName(A_PER, U_PER);
                returnstr += FangYar.Common.JsonHelper.ToJson(data);
                returnstr += "}";
            }
            catch
            {
                returnstr = "{\"code\":0,\"msg\":\"error\",\"count\":0,\"data\":[]}";
            }
            return returnstr;
        }

        //获取首页综合总计数据
        private string GetHomeCount(HttpContext context)
        {
            string returnstr = "";
            try
            {
                string ORG_ID = context.Request.Params["ORG_ID"];
                returnstr = "{\"code\":0,\"msg\":\"\",\"Data\":";
                string where = "";
                if (!string.IsNullOrEmpty(ORG_ID))
                {
                    where += " and (ORG_ID ='" + ORG_ID + "' or ORG_ID in (select o.org_id from fire_org o where o.pid = '" + ORG_ID + "') )";
                }
                DataTable data = bll.getHomeCount(where);
                returnstr += FangYar.Common.JsonHelper.ToJson(data);
                returnstr += "}";
            }
            catch
            {
                returnstr = "{\"code\":0,\"msg\":\"error\",\"count\":0,\"data\":[]}";
            }
            return returnstr;
        }
        //
        private string UploadFiles(HttpContext context)
        {
            int code = -1;
            string msg = "";
            string URL = null;
            string uploadpath = null;
            string filename = null;
            string originalName = null;
            HttpPostedFile uploadFile = null;

            string serverPath = context.Request.Params["fileUrl"];
            serverPath = serverPath + "/" + DateTime.Now.ToString("yyyy-MM-dd") + "/";
            if (!Directory.Exists(context.Server.MapPath("~/" + serverPath)))
            {
                DirectoryInfo directoryInfo = new DirectoryInfo(context.Server.MapPath("~/" + serverPath));
                directoryInfo.Create();
            }
            uploadpath = context.Server.MapPath("~/" + serverPath);

            try
            {

                uploadFile = context.Request.Files[0];
                originalName = uploadFile.FileName.Split('.')[0];
                filename = originalName + "(" + System.Guid.NewGuid() + ")" + getFileExt(uploadFile);
                uploadFile.SaveAs(uploadpath + filename);
                URL = serverPath + filename;
                msg = "上传成功";
                code = 1;
            }
            catch (Exception e)
            {
                code = -1;
                msg = "未知错误";
                URL = "";
            }
            string returnstr = "{\"code\":" + code + ",\"msg\":\"" + msg + "\",\"url\":\"" + URL + "\"}";

            return returnstr;

        }
        private bool checkSize(HttpPostedFile uploadFile, int size)
        {
            return uploadFile.ContentLength >= (size * 1024 * 1024000);
        }

        //获取文件扩展名
        private string getFileExt(HttpPostedFile uploadFile)
        {
            string[] temp = uploadFile.FileName.Split('.');
            return "." + temp[temp.Length - 1].ToLower();
        }

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }

    }
}