using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
//using Syc.Basic.Web.Contracts;
using Syc.Basic.Web.Dtos;
using Syc.Basic.Web.WMS;
using Syc.Basic.Web.WMS.Dtos;
using Syc.Basic.Web.WMS.Dtos.Role;
using Syc.Basic.Web.WMS.Entitys;
using Syc.Basic.Web.WMS.IServices;
using Syc.Basic.Web.WMS.Repository;
using System;
using System.Collections.Generic;
using System.Data;
using System.Diagnostics;
using System.Linq;
using System.Reflection.Emit;
using System.Text;
using System.Threading.Tasks;
using Volo.Abp.Domain.Repositories;

namespace Syc.Basic.Web.Service
{
    [ApiExplorerSettings(GroupName = "角色服务"), Authorize]
    public class RoleService: ApiService
    {
        private readonly IUserDomainService userDomainService;
        private readonly IRepository<Role> roleRepository;
        private readonly IRepository<Menu> menuRepository;
        private readonly IRoleRepository repository;

        public RoleService(IUserDomainService userDomainService
            ,IRepository<Role> roleRepository
            ,IRepository<Menu> menuRepository
            ,IRoleRepository repository)
        {
            this.userDomainService = userDomainService;
            this.roleRepository = roleRepository;
            this.menuRepository = menuRepository;
            this.repository = repository;
        }

        /// <summary>
        /// 获取当前用户拥有的角色的所有菜单
        /// </summary>
        /// <returns></returns>
        public async Task<MenuListDto> GetMenus() 
        {
           var userDO = await userDomainService.GetUserByAccountAsync(Identity.Account);
           var menuList = (await userDomainService.GetMenus(userDO)).OrderBy(o => o.Order).ToList();
            
           // //查出第一级
           List<RouteItem> menuItems = ObjectMapper.Map(menuList, new List<RouteItem>());

            return new MenuListDto()
            {
                data = menuItems
            };
        }

        /// <summary>
        /// 角色列表分页
        /// </summary>
        /// <returns></returns>
        public async Task<object> GetList() 
        {
           var roles = await roleRepository.GetListAsync();
           var result = ObjectMapper.Map(roles, new List<RoleDto>());
            return new 
            {
                data = result,
                total = result.Count
            };
        }

        /// <summary>
        /// 递归查询所有子级
        /// </summary>
        /// <param name="menu"></param>
        /// <param name="menus"></param>
        /// <returns></returns>
        [NonAction]
        public List<RouteItem> Findchildren(Menu menu,List<Menu> menus) 
        {
            if(menu is null)
                return null;

            var result = new List<RouteItem>(); 
           var list = menus.Where(e => e.PId == menu.Id).ToList();
            foreach (var item in list)
            {
                var routeItem = ObjectMapper.Map(item, new RouteItem());
                routeItem.children = Findchildren(item, menus);
                result.Add(routeItem);
            }
            return result;
        }

        /// <summary>
        /// 删除角色
        /// </summary>
        /// <returns></returns>
        public async Task Del(DelRoleInput delRoleInput) 
        {
            if (await CodeExisteAsync(delRoleInput.code,false)) 
            {
                var role = await repository.GetRoleByCode(delRoleInput.code, false, false);
                await roleRepository.DeleteAsync(role);
            }
        }

        /// <summary>
        /// 编号是否已存在
        /// </summary>
        /// <returns></returns>
        [NonAction]
        public async Task<bool> CodeExisteAsync(string code,bool throwEx = true) 
        {
            if (await repository.CodeExiste(code))
            { 
                if(throwEx)
                    throw Oops.Oh($"角色编号 {code} 已存在，请勿重复使用");
                return true;
            }
            return false;
        }

        /// <summary>
        /// 新增角色
        /// </summary>
        /// <returns></returns>
        public async Task Add(UpdateRoleInput updateRoleInput) 
        {
            if (!(await CodeExisteAsync(updateRoleInput.code)))
            {
                var defaultMenu = await menuRepository.GetAsync(e => e.Name == "Dashboard");
                var role = ObjectMapper.Map(updateRoleInput, new Role());
                role.Menus.Add(defaultMenu);
                await roleRepository.InsertAsync(role);
            }
        }

        /// <summary>
        /// 编辑角色
        /// </summary>
        /// <returns></returns>
        public async Task Edit(UpdateRoleInput updateRoleInput) 
        {
            if (updateRoleInput.code.Equals(ConstPool.AdministratorRoleCode))
                throw Oops.Oh($"超级管理员禁止修改");
            if ((await roleRepository.CountAsync(e => e.Code == updateRoleInput.code) > 1))
                throw Oops.Oh("角色编号重复");
            var role = ObjectMapper.Map(updateRoleInput, new Role());
            await roleRepository.UpdateAsync(role);
        }
    }
}