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

namespace FangYar.WebUI.ashx
{
    /// <summary>
    /// RoleMenuHandler 的摘要说明
    /// </summary>
    public class RoleMenuHandler : IHttpHandler
    {
        private FangYar.BLL.TBL.SysRoleMenuBLL bll = new BLL.TBL.SysRoleMenuBLL();
        public void ProcessRequest(HttpContext context)
        {
            context.Response.ContentType = "text/plain";
            string action = context.Request.Params["Action"];
            string returnstr = "";
            switch (action)
            {
                case "showRoleMenu":
                    returnstr = showRoleMenu(context);
                    break;
                case "SaveRoleChooseMenu":
                    returnstr = SaveRoleChooseMenu(context);
                    break;
            }
            context.Response.Write(returnstr);
        }


        private string showRoleMenu(HttpContext context)
        {
            string appId = context.Request.Params["appId"];
            string roleId = context.Request.Params["roleId"];
            string returnstr = "";
            try
            {
                returnstr = "{\"code\":0,\"data\":";
                DataTable dt = bll.queryDataTable(appId, roleId);
                if (dt == null)
                {
                    returnstr += "[]";
                }
                else if (dt.Rows.Count == 0)
                {
                    returnstr += "[]";
                }
                else
                {
                    returnstr += FangYar.Common.JsonHelper.ToJson(dt);
                }
                returnstr += "}";
            }
            catch
            {
                returnstr = "{\"code\":-1,\"data\":[]";

            }
            return returnstr;
        }

        //保存角色选择的菜单
        private string SaveRoleChooseMenu(HttpContext context)
        {
            string returnstr = "";
            int code = -1;
            string msg = "";
            int deleteCount = 0;
            try
            {
                string appId = context.Request.Params["appId"];
                string roleId = context.Request.Params["roleId"];
                string menuIdList = context.Request.Params["menuIdList"];
                menuIdList = menuIdList.Trim(','); ;

                //  menuIdList = menuIdList.Replace(",", "','");
                string[] menuIdArry = menuIdList.Split(',');
                string where = "ROLE_ID='" + roleId + "'";
                int count = bll.Count(where);
                if (count > 0)
                {
                    bool isDelete = bll.Delete(roleId);//清空原来的权限
                    if (isDelete)
                    {
                        deleteCount = count;
                    }

                }

                for (int i = 0; i < menuIdArry.Length; i++)
                {


                    FangYar.Model.TBL.TBL_SysRoleMenuModel model = new Model.TBL.TBL_SysRoleMenuModel();
                    model.APP_ID = appId;
                    model.MENU_ID = menuIdArry[i];
                    model.ROLE_ID = roleId;
                    bool isadd = bll.Add(model);
                    if (!isadd)
                    {
                        msg = "设置失败";
                        break;
                    }
                    else
                    {
                        msg = "设置成功！";
                        code = 1;

                    }

                }
            }
            catch
            {
                msg = "设置失败！";

            }
            returnstr = "{\"code\":" + code + ",\"deleteCount\":" + deleteCount + ",\"msg\":\"" + msg + "\"}";

            return returnstr;
        }

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