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

namespace FangYar.WebUI.ashx
{
    /// <summary>
    /// BaseUserHandler 的摘要说明
    /// </summary>
    public class BaseUserHandler : IHttpHandler
    {
        private FangYar.BLL.BaseUserBLL bll = new BLL.BaseUserBLL();
        public void ProcessRequest(HttpContext context)
        {
            // 记录操作日志
            BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Other, "基础用户操作请求", "");
            context.Response.ContentType = "text/json";
            string action = context.Request.Params["Action"];
            string returnstr = "";

            switch (action)
            {
                case "List":
                    returnstr = GetUserList(context);
                    break;
                case "Add":
                    returnstr = AddUser(context);
                    break;
                case "Edit":
                    returnstr = EditUser(context);
                    break;
                case "Del":
                    returnstr = DelUser(context);
                    break;
                case "EditPwd":
                    returnstr = EditPwd(context);
                    break;
            }
            context.Response.Write(returnstr);
        }
        //查询
        private string GetUserList(HttpContext context)
        {
            string returnstr = "";
            try
            {
                string keywords = context.Request.Params["keywords"];
                string where = null;
                if (!string.IsNullOrEmpty(keywords))
                {
                    where = "USERS_UID like '" + keywords + "' or USERS_NAME like '" + keywords + "' ";
                }
                returnstr = "{\"code\":0,\"msg\":\"\",";

                List<FangYar.Model.BaseUserModel> list = bll.QueryList(1, 10, where, null);
                returnstr += "\"count\":" + list.Count + ",\"data\":";
                if (list.Count == 0)
                {
                    returnstr += "[]";
                }
                else
                {
                    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, "基础用户操作请求", "查询异常：" + e);
            }
            // 记录操作日志
            BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Query, "基础用户操作请求", "查询");
            return returnstr;
        }
        //添加
        private string AddUser(HttpContext context)
        {
            string returnstr = "";
            int code = -1;
            string msg = "";
            try
            {
                string userUID = context.Request.Params["userUID"];
                string userPwd = context.Request.Params["userPwd"];
                string userType = context.Request.Params["userType"];
                string userName = context.Request.Params["userName"];

                if (string.IsNullOrEmpty(userUID))
                {
                    msg = "账号不能为空！";
                }
                else if (userUID.Length < 4)
                {
                    msg = "账号长度最少为4个字符！";
                }

                else if (string.IsNullOrEmpty(userPwd))
                {
                    msg = "密码不能为空！";
                }
                else if (userUID.Length < 4)
                {
                    msg = "密码长度最少为4个字符！";
                }
                else if (string.IsNullOrEmpty(userName))
                {
                    msg = "名称不能为空！";
                }
                else if (bll.CheckLoginByUserID(userUID) != null)
                {
                    msg = "用户已存在！";
                }
                else
                {
                    FangYar.Model.BaseUserModel model = new Model.BaseUserModel();
                    model.ID = Guid.NewGuid().ToString("N");
                    model.USERS_UID = userUID;
                    model.USERS_PWD = FangYar.Common.Md5.GetMD5String(userPwd);
                    model.USERS_NAME = userName;
                    model.USERS_TYPE = userType;
                    if (bll.AddUser(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, "基础用户操作请求", "添加异常：" + e);
            }
            returnstr = "{\"code\":" + code + ",\"msg\":\"" + msg + "\"}";

            // 记录操作日志
            BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Add, "基础用户操作请求", "添加");
            return returnstr;
        }
        //修改
        private string EditUser(HttpContext context)
        {
            string returnstr = "";
            int code = -1;
            string msg = "";
            try
            {
                string ID = context.Request.Params["ID"];
                string userUID = context.Request.Params["userUID"];
                string userPwd = context.Request.Params["userPwd"];
                string userType = context.Request.Params["userType"];
                string userName = context.Request.Params["userName"];

                FangYar.Model.BaseUserModel model = bll.GetUserByID(ID);
                if (model == null)
                {
                    msg = "用户不存在！";
                }
                else
                {

                    model.USERS_UID = userUID;
                    model.USERS_PWD = FangYar.Common.Md5.GetMD5String(userPwd);
                    model.USERS_NAME = userName;
                    model.USERS_TYPE = userType;
                    if (bll.EditUser(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, "基础用户操作请求", "修改异常：" + e);
            }
            returnstr = "{\"code\":" + code + ",\"msg\":\"" + msg + "\"}";
            // 记录操作日志
            BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Update, "基础用户操作请求", "修改");
            return returnstr;
        }
        //删除
        private string DelUser(HttpContext context)
        {
            string returnstr = "";
            int code = -1;
            string msg = "";
            try
            {
                string UIDList = context.Request.Params["UIDList"];
                UIDList = UIDList.Replace(",", "','");
                if (bll.DeleteUser(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, "基础用户操作请求", "删除异常：" + e);
            }
            returnstr = "{\"code\":" + code + ",\"msg\":\"" + msg + "\"}";
            // 记录操作日志
            BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Delete, "基础用户操作请求", "删除");
            return returnstr;
        }
        //修改密码
        private string EditPwd(HttpContext context)
        {
            string returnstr = "";
            int code = -1;
            string msg = "";
            try
            {
                string userUID = context.Request.Params["UsersUid"];
                string userPwd = context.Request.Params["oldPwd"];
                string newPwd = context.Request.Params["newPwd"];
                string confirmPwd = context.Request.Params["confirmPwd"];
                FangYar.Model.BaseUserModel model = bll.GetUserByUserID(userUID);
                if (string.IsNullOrEmpty(userPwd))
                {
                    msg = "密码不能为空！";
                }
                else if (newPwd.Length < 4)
                {
                    msg = "密码长度最少为4个字符！";
                }
                else if (confirmPwd != newPwd)
                {
                    msg = "两次输入密码不一致！";
                }
                else if (model == null)
                {
                    msg = "用户不存在！";
                }
                else if
                    (model.USERS_PWD == FangYar.Common.Md5.GetMD5String(newPwd))
                {
                    msg = "修改密码不能和旧密码一致！";
                }
                else
                {

                    model.USERS_PWD = FangYar.Common.Md5.GetMD5String(newPwd);
                    if (bll.ChangePwd(model))
                    {
                        msg = "密码修改成功！";
                        code = 1;
                    }
                    else
                    {
                        msg = "密码修改失败！";

                    }
                }

            }
            catch (Exception e)
            {
                msg = "密码修改失败！";
                // 记录操作日志
                BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Error, "基础用户操作请求", "密码修改异常：" + e);
            }
            returnstr = "{\"code\":" + code + ",\"msg\":\"" + msg + "\"}";

            // 记录操作日志
            BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Update, "基础用户操作请求", "密码修改");
            return returnstr;
        }

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