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

namespace BLL
{
    public class Project_RoleButtonPowerService
    {
        /// <summary>
        /// 获取按钮权限集合
        /// </summary>
        /// <param name="roleId">角色ID</param>
        /// <param name="menuId">菜单ID</param>
        /// <param name="projectId">项目ID</param>
        /// <returns>按钮集合</returns>
        public static string[] GetProject_RoleButtonPowerList(string roleId, string menuId,string projectId)
        {
            Model.SGGLDB db = Funs.DB;
            var q = from x in db.Project_RoleButtonPower where x.RoleId == roleId && x.MenuId == menuId && x.ProjectId == projectId 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 DeleteProject_RoleButtonPower(string roleId, string systemValue, string projectId)
        {
            Model.SGGLDB db = Funs.DB;
            var bt = from x in db.Project_RoleButtonPower
                     join y in db.Sys_Menu on x.MenuId equals y.MenuId
                     where x.RoleId == roleId && y.MenuModule == systemValue && x.ProjectId == projectId
                     select x;

            if (bt.Count() > 0)
            {
                db.Project_RoleButtonPower.DeleteAllOnSubmit(bt);
            }

            db.SubmitChanges();
        }

        /// <summary>
        /// 增加按钮权限
        /// </summary>
        /// <param name="power"></param>
        public static void SaveProject_RoleButtonPower(Model.Project_RoleButtonPower btn)
        {
            Model.SGGLDB db = Funs.DB;
            string newKeyID = SQLHelper.GetNewID(typeof(Model.Project_RoleButtonPower));
            Model.Project_RoleButtonPower button = new Model.Project_RoleButtonPower();
            button.ButtonPowerID = newKeyID;
            button.RoleId = btn.RoleId;
            button.MenuId = btn.MenuId;
            button.ButtonToMenuId = btn.ButtonToMenuId;
            button.ProjectId = btn.ProjectId;
            db.Project_RoleButtonPower.InsertOnSubmit(button);
            db.SubmitChanges();
        }
    }
}