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

namespace FangYar.WebUI.ashx
{
    /// <summary>
    /// SysRolePermHandler 的摘要说明
    /// </summary>
    public class SysRolePermHandler : IHttpHandler
    {
        private FangYar.BLL.TBL.SysRolepermBLL bll = new BLL.TBL.SysRolepermBLL();
        public void ProcessRequest(HttpContext context)
        {

            // 记录操作日志
            BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Other, "角色权限操作请求", "");

            context.Response.ContentType = "text/plain";
            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 "RolePermList":
                    returnstr = RolePermList(context);
                    break;
                case "RolePermAddEdit":
                    returnstr = RolePermAddEdit(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 = "APP_ID like '" + keywords + "' or ROLE_ID 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_ROLEPERM_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, "角色权限操作请求", "查询异常：" + e);
            }
            // 记录操作日志
            BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Query, "角色权限操作请求", "查询");
            return returnstr;

        }
        //
        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, "角色权限操作请求", "删除异常：" + e);
            }
            returnstr = "{\"code\":" + code + ",\"msg\":\"" + msg + "\"}";
            // 记录操作日志
            BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Delete, "角色权限操作请求", "删除");
            return returnstr;
        }
        private string AddModel(HttpContext context)
        {
            return null;
        }
        private string EditModel(HttpContext context)
        {
            return null;
        }

        private string RolePermList(HttpContext context)
        {
            string appid = context.Request.Params["appId"];
            string roleId = context.Request.Params["roleId"];
            string returnstr = "";
            try
            {
                returnstr = "{\"code\":0,\"data\":";

                DataTable dt = bll.RolePermDataset(appid, roleId);
                if (dt.Rows.Count == 0)
                {
                    returnstr += "[]";
                }
                else
                {
                    returnstr += FangYar.Common.JsonHelper.ToJson(dt);
                }
                returnstr += "}";
            }
            catch (Exception e)
            {
                returnstr = "{\"code\":-1,\"data\":[]}";
                // 记录操作日志
                BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Query, "角色权限操作请求", "查询异常：" + e);

            }
            // 记录操作日志
            BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Query, "角色权限操作请求", "查询");
            return returnstr;
        }
        //保存角色权限
        private string RolePermAddEdit(HttpContext context)
        {
            string returnstr = "";
            int code = -1;
            string msg = "";

            try
            {
                string appid = context.Request.Params["appId"];
                string roleId = context.Request.Params["roleId"];
                string permIDList = context.Request.Params["permIDList"];
                // permIDList = permIDList.Substring(0, permIDList.Length - 1);
                permIDList = permIDList.Trim(',');
                //permIDList = permIDList.Replace(",", "','");
                string[] permIDArry = permIDList.Split(',');
                bool isDelete = bll.Delete(roleId);//清空原来的权限
                if (isDelete)
                {
                    for (int i = 0; i < permIDArry.Length; i++)
                    {
                        FangYar.Model.TBL.TBL_SYS_ROLEPERM_Model model = new Model.TBL.TBL_SYS_ROLEPERM_Model();
                        model.APP_ID = appid;
                        model.ROLE_ID = roleId;
                        model.PERM_ID = permIDArry[i];
                        bll.Add(model);
                    }
                    msg = "设置成功！";
                    code = 1;
                }
                else
                {
                    msg = "设置失败";
                }
            }
            catch (Exception e)
            {
                msg = "权限设置失败！";
                // 记录操作日志
                BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Error, "角色权限操作请求", "保存角色权限异常：" + e);
            }
            returnstr = "{\"code\":" + code + ",\"msg\":\"" + msg + "\"}";
            // 记录操作日志
            BLL.SysOperationLogHelp.AddSysOperationLog(context, Common.EnumOperationLogType.Add, "角色权限操作请求", "保存角色权限");
            return returnstr;



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