using Learn.Archives.API.Controllers.Dto;
using Learn.Archives.API.Expand;
using Learn.Archives.Core.Common;
using Learn.Archives.Core.Model;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using System.Diagnostics;
using System.Security.Claims;
using UserCenter.Model;

namespace Learn.Archives.API.Controllers
{
    /// <summary>
    /// 路由菜单
    /// </summary>
    public class MenuController : BackController<Menu>
    {
        readonly Repository<Menu> baseService;
        readonly Repository<MenuRelation> menuRelationDB;
        readonly LiveUserInfo userInfo;
        public MenuController(Repository<Menu> baseService, LiveUserInfo userInfo, Repository<MenuRelation> menuRelationDB) : base(baseService)
        {
            this.baseService = baseService;
            this.userInfo = userInfo;
            this.menuRelationDB = menuRelationDB;
        }

        /// <summary>
        /// 管理员菜单
        /// </summary>
        /// <returns></returns>
        [HttpGet]
        public async Task<MenuTree[]> AdminMenu()
        {
            var rId = userInfo.RoleId;
            if (rId == 0) Oh.Error("登录了无效的用户");
            var menuArr = await menuRelationDB.AsQueryable()
                 .LeftJoin<Menu>((mr, m) => mr.MenuId == m.Id)
                 .Where((mr,m)=> mr.RoleId == userInfo.RoleId)
                 .Select((mr, m) => m)
                 .ToArrayAsync();
            return GetChildren(menuArr, menuArr.First().Id);
        }
        /// <summary>
        /// 递归获取子菜单
        /// </summary>
        [NonAction]
        private static MenuTree[] GetChildren(IEnumerable<Menu> menus, long parentId)
        {
            return menus
                .Where(m => m.ParentId == parentId)
                .OrderBy(m => m.Rank)
                .Select(m => new MenuTree
                {
                    Id = m.Id,
                    Name = m.Name,
                    Title = m.Title,
                    Path = m.Path,
                    IsButton = m.IsButton,
                    Icon = m.Icon,
                    Auths = m.Auths,
                    Rank = m.Rank,
                    ShowLink = m.ShowLink,
                    ParentId = m.ParentId,
                    Children = GetChildren(menus, m.Id)
                })
                .ToArray();
        }

    }
}