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

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

        private FangYar.BLL.TBL.SysAreaBLL bll = new BLL.TBL.SysAreaBLL();
        private FangYar.BLL.ToTree_BLL blltree = new BLL.ToTree_BLL();
        public void ProcessRequest(HttpContext context)
        {

            // 记录操作日志
            BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Other, "行政区域操作请求", "");

            context.Response.ContentType = "text/json";
            string action = context.Request.Params["Action"];
            string returnstr = "";
            switch (action)
            {
                case "List":
                    returnstr = GetModelList(context);
                    break;
                case "Add":
                    returnstr = AddModel(context);
                    break;
                case "Edit":
                    returnstr = EditModel(context);
                    break;
                case "Del":
                    returnstr = DelModel(context);
                    break;
                case "AreaTree":
                    returnstr = GetAreaTree(context);
                    break;
                case "getAreaName":
                    returnstr = getAreaName(context);
                    break;
            }
            context.Response.Write(returnstr);
        }
        //查询
        private string GetModelList(HttpContext context)
        {
            string returnstr = "";
            try
            {
                string keywords = context.Request.Params["keywords"];
                string limit = context.Request.Params["limit"];
                string page = context.Request.Params["page"];
                int pageIndex = 1;
                int pageSize = 10;
                if (!string.IsNullOrEmpty(limit)) { pageIndex = int.Parse(page); }
                if (!string.IsNullOrEmpty(limit)) { pageSize = int.Parse(limit); }
                string where = null;
                if (!string.IsNullOrEmpty(keywords))
                {
                    where = "AREA_CODE like '" + keywords + "' or AREA_NAME like '" + keywords + "' ";
                }
                returnstr = "{\"code\":0,\"msg\":\"\",";
                int count = bll.Count(where);
                returnstr += "\"count\":" + count + ",\"data\":";
                if (count == 0)
                {
                    returnstr += "[]";
                }
                else
                {
                    List<FangYar.Model.TBL.TBL_SYS_AREA_Model> list = bll.QueryList(pageIndex, pageSize, where, null);
                    returnstr += FangYar.Common.JsonHelper.ToJson(list);
                }
                returnstr += "}";
            }
            catch (Exception e)
            {
                returnstr = "{\"code\":0,\"msg\":\"error\",\"count\":0,\"data\":[]}";
                // 记录操作日志
                BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Error, "行政区域操作请求", "查询异常：" + e);
            }
            // 记录操作日志
            BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Query, "行政区域操作请求", "查询");
            return returnstr;

        }
        //添加
        private string AddModel(HttpContext context)
        {
            string returnstr = "";
            int code = -1;
            string msg = "";
            try
            {
                string areaCode = context.Request.Params["areaCode"];
                string areaName = context.Request.Params["areaName"];
                string areaLev = context.Request.Params["areaLev"];
                string PID = context.Request.Params["PID"];

                if (string.IsNullOrEmpty(areaCode))
                {
                    msg = "编号不能为空！";
                }

                else if (string.IsNullOrEmpty(areaName))
                {
                    msg = "名称不能为空！";
                }
                else
                {

                    FangYar.Model.TBL.TBL_SYS_AREA_Model model = new Model.TBL.TBL_SYS_AREA_Model();
                    model.ID = Guid.NewGuid().ToString("N");
                    model.AREA_CODE = areaCode;
                    model.AREA_NAME = areaName;
                    model.AREA_LEVEL = areaLev;
                    model.PID = PID;

                    if (bll.Add(model))
                    {
                        msg = "添加成功！";
                        code = 1;
                    }
                    else
                    {
                        msg = "添加失败！";
                    }
                }

            }
            catch (Exception e)
            {
                msg = "添加失败！";
                // 记录操作日志
                BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Error, "行政区域操作请求", "添加异常：" + e);
            }
            returnstr = "{\"code\":" + code + ",\"msg\":\"" + msg + "\"}";
            // 记录操作日志
            BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Add, "行政区域操作请求", "添加");
            return returnstr;
        }
        //修改
        private string EditModel(HttpContext context)
        {
            string returnstr = "";
            int code = -1;
            string msg = "";
            try
            {
                string ID = context.Request.Params["ID"];
                string areaCode = context.Request.Params["areaCode"];
                string areaName = context.Request.Params["areaName"];
                string areaLev = context.Request.Params["areaLev"];
                string PID = context.Request.Params["PID"];

                if (string.IsNullOrEmpty(areaCode))
                {
                    msg = "编号不能为空！";
                }

                else if (string.IsNullOrEmpty(areaName))
                {
                    msg = "名称不能为空！";
                }

                else
                {

                    FangYar.Model.TBL.TBL_SYS_AREA_Model model = bll.GetModelByID(ID);
                    if (model == null)
                    {
                        msg = "记录不存在！";
                    }
                    else
                    {

                        model.AREA_CODE = areaCode;
                        model.AREA_NAME = areaName;
                        model.AREA_LEVEL = areaLev;
                        model.PID = PID;
                        if (bll.Edit(model))
                        {
                            msg = "修改成功！";
                            code = 1;
                        }
                        else
                        {
                            msg = "修改失败！";

                        }
                    }
                }

            }
            catch (Exception e)
            {
                msg = "修改失败！";
                // 记录操作日志
                BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Error, "行政区域操作请求", "修改异常：" + e);
            }
            returnstr = "{\"code\":" + code + ",\"msg\":\"" + msg + "\"}";
            // 记录操作日志
            BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Update, "行政区域操作请求", "修改");
            return returnstr;
        }
        //删除
        private string DelModel(HttpContext context)
        {
            string returnstr = "";
            int code = -1;
            string msg = "";
            try
            {
                string UIDList = context.Request.Params["UIDList"];
                UIDList = UIDList.Replace(",", "','");
                if (bll.Delete(UIDList))
                {
                    msg = "删除成功！";
                    code = 1;
                }
                else
                {
                    msg = "删除失败！";
                }
            }
            catch (Exception e)
            {
                msg = "删除失败！";
                // 记录操作日志
                BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Error, "行政区域操作请求", "删除异常：" + e);
            }
            returnstr = "{\"code\":" + code + ",\"msg\":\"" + msg + "\"}";
            // 记录操作日志
            BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Delete, "行政区域操作请求", "删除");
            return returnstr;
        }
        //区域树
        private string GetAreaTree(HttpContext context)
        {

            string returnstr = "";
            try
            {
                string treeid = context.Request.Params["pid"];


                string where = null;
                if (!string.IsNullOrEmpty(treeid))
                {
                    where = " AREA_CODE = " + treeid;
                }
                List<FangYar.Model.TreeNodeModel> list = new List<Model.TreeNodeModel>();
                list = blltree.GetTree("AREA_CODE", "PID", "AREA_NAME", "TBL_SYS_AREA", where, list);
                returnstr = "{\"data\":";
                if (list.Count == 0)
                {
                    returnstr += "[]";
                }
                else
                {
                    returnstr += FangYar.Common.JsonHelper.ToJson(list);
                }
                returnstr += "}";
            }
            catch (Exception e)
            {
                returnstr = "{\"data\":[]}";
                // 记录操作日志
                BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Error, "行政区域操作请求", "区域树异常：" + e);
            }
            // 记录操作日志
            BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Query, "行政区域操作请求", "区域树");
            return returnstr;

        }
        //根据区域码
        private string getAreaName(HttpContext context)
        {
            string returnstr = "";
            try
            {
                string AreaCode = context.Request.Params["AreaID"];
                int count = bll.Count("AREA_CODE ='" + AreaCode + "'");
                if (count > 0)
                {
                    returnstr = "{\"code\":1,\"data\":";
                    FangYar.Model.TBL.TBL_SYS_AREA_Model model = bll.GetModelByID(AreaCode);
                    returnstr += FangYar.Common.JsonHelper.ToJson(model);
                    returnstr += "}";
                }
                else
                {
                    returnstr = "{\"code\":0,\"data\":[]}";

                }
            }
            catch (Exception e)
            {
                returnstr = "{\"code\":0,\"data\":[]}";
                // 记录操作日志
                BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Error, "行政区域操作请求", "根据区域码异常：" + e);
            }
            // 记录操作日志
            BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Query, "行政区域操作请求", "根据区域码");
            return returnstr;

        }
        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }
}