using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace BLL
{
    public class Sys_ButtonPowerService
    {
        ///// <summary>
        ///// 获取按钮权限集合
        ///// </summary>
        ///// <param name="roleId">角色ID</param>
        ///// <param name="menuId">菜单ID</param>
        ///// <returns>按钮集合</returns>
        //public static string[] GetButtonPowerList(string roleId, string menuId)
        //{
        //    Model.EProject db = Funs.DB;
        //    var q = from x in db.Sys_ButtonPower where x.RoleId == roleId && x.MenuId == menuId select x;
        //    if (q != null)
        //    {
        //        string[] button = new string[q.Count()];
        //        int i = 0;
        //        foreach (var b in q)
        //        {
        //            Model.ButtonToMenu btn = db.ButtonToMenu.FirstOrDefault(e => e.ButtonToMenuId == b.ButtonToMenuId);
        //            button[i] = btn.ButtonName;
        //            i++;
        //        }

        //        return button;
        //    }

        //    else
        //    {
        //        return null;
        //    }
        //}

        /// <summary>
        /// 删除权限
        /// </summary>
        /// <param name="roleId"></param>
        public static void DeleteButtonPower(string roleId)
        {
            //Model.EProjectDB db = Funs.DB;
            var bt = from x in Funs.DB.Sys_ButtonPower
                     join y in Funs.DB.Sys_Menu on x.MenuId equals y.MenuId
                     where x.RoleId == roleId 
                     select x;

            if (bt.Count() > 0)
            {
                Funs.DB.Sys_ButtonPower.DeleteAllOnSubmit(bt);
            }

            Funs.DB.SubmitChanges();
        }

        /// <summary>
        /// 增加按钮权限
        /// </summary>
        /// <param name="power"></param>
        public static void SaveButtonPower(Model.Sys_ButtonPower btn)
        {
            //Model.EProjectDB db = Funs.DB;
            string newKeyID = SQLHelper.GetNewID(typeof(Model.Sys_ButtonPower));
            Model.Sys_ButtonPower button = new Model.Sys_ButtonPower();
            button.ButtonPowerID = newKeyID;
            button.RoleId = btn.RoleId;
            button.MenuId = btn.MenuId;
            button.ButtonToMenuId = btn.ButtonToMenuId;

            Funs.DB.Sys_ButtonPower.InsertOnSubmit(button);
            Funs.DB.SubmitChanges();
        }

        /// <summary>
        /// 判断菜单是否存在
        /// </summary>
        /// <param name="postId"></param>
        /// <returns></returns>
        public static bool IsExistMenu(string menuId)
        {
            Model.Sys_Menu m = Funs.DB.Sys_Menu.FirstOrDefault(e => e.MenuId == menuId);
            if (m != null)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        /// <summary>
        /// 判断按键对应菜单是否存在
        /// </summary>
        /// <param name="postId"></param>
        /// <returns></returns>
        public static bool isExistButtonToMenu(string buttonToMenuId)
        {
            //Model.Sys_ButtonToMenu b = Funs.DB.Sys_ButtonToMenu.FirstOrDefault(e => e.ButtonToMenuId == buttonToMenuId);
            //if (b != null)
            //{
            //    return true;
            //}
            //else
            //{
                return false;
            //}
        }
    }
}