using Admin.Core.Model;
using Admin.Core.Common.Resource;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using System;
using System.Collections.Generic;
using System.Linq.Expressions;
using System.Threading.Tasks;
using Admin.Core.Common;
using AutoMapper;
using Admin.Core.IService.ISys;
using Admin.Core.Model.Sys;

namespace Admin.Core.Api
{
    /// <summary>
    /// SysMenuController
    /// </summary>
	[Route("api/[controller]/[action]")]
    [ApiController]
    [Authorize(Permissions.Name)]
    public class SysMenuController : BaseApiUserController
    {

        /// <summary>
        /// _sysMenuService
        /// </summary>
        private readonly ISysMenuService _sysMenuService;
        private readonly IMapper _mapper;

        /// <summary>
        /// 构造方法
        /// </summary>
        /// <param name="SysMenuService"></param>
        /// <param name="mapper"></param>
        /// <param name="sysUserService"></param>
        public SysMenuController(ISysMenuService SysMenuService, IMapper mapper, ISysUserService sysUserService) : base(sysUserService)
        {
            _sysUserService = sysUserService;
            _sysMenuService = SysMenuService;
            _mapper = mapper;
        }

        /// <summary>
        /// 分页查询
        /// </summary>
        /// <param name="pageQuery"></param>
        /// <returns></returns>
        [HttpPost]
        public async Task<MessageModel<List<MenuView>>> GetByPage([FromBody] PageQuery<SysMenu> pageQuery)
        {
            if (!pageQuery.Query.IsNotEmptyOrNull())
            {
                pageQuery.Query = new SysMenu();
            }
            var model = await _sysMenuService.SelectMenuList(CurrentUser.UserID, pageQuery);
            var r = _mapper.Map<List<MenuView>>(model);
            return Success(r);
        }

        /// <summary>
        /// 根据ID查询
        /// </summary>
        /// <param name="id">主键</param>
        /// <returns></returns>
        [HttpGet]
        public async Task<MessageModel<SysMenu>> GetByID(int id)
        {
            return new MessageModel<SysMenu>()
            {
                msg = Resource_SysBase.OprateSuccess,
                success = true,
                data = await _sysMenuService.QueryByIdAsync(id)
            };
        }

        /// <summary>
        /// 新增一条数据
        /// </summary>
        /// <param name="request">SysMenu</param>
        /// <returns></returns>
        [HttpPost]
        public async Task<MessageModel<int>> Add([FromBody] SysMenu request)
        {
            var data = new MessageModel<int>();

            if (!await _sysMenuService.CheckMenuNameUnique(request))
            {
                data.success = false;
                data.msg = "菜单名称已存在！";
                return data;
            }
            if (SysConst.YES_FRAME == request.IsFrame && !StringHelper.IsUrl(request.Path))
            {
                data.success = false;
                data.msg = "地址必须以http(s)://开头！";
                return data;
            }
            request.CreateBy = CurrentUser.LoginName;
            request.UpdateBy = CurrentUser.LoginName;
            data.data = await _sysMenuService.InsertMenu(request);
            if (data.data > 0)
            {
                data.success = true;
                data.msg = Resource_SysBase.OprateSuccess;
            }
            else
            {
                data.success = false;
                data.msg = Resource_SysBase.OprateFail;
            }
            return data;
        }

        /// <summary>
        /// 更新一条数据
        /// </summary>
        /// <param name="request">SysMenu</param>
        /// <returns></returns>
        [HttpPost]
        public async Task<MessageModel<bool>> Update([FromBody] SysMenu request)
        {
            var data = new MessageModel<bool>();

            if (!await _sysMenuService.CheckMenuNameUnique(request))
            {
                data.success = false;
                data.msg = "菜单名称已存在！";
                return data;
            }
            else if (SysConst.YES_FRAME == request.IsFrame && !StringHelper.IsUrl(request.Path))
            {
                data.success = false;
                data.msg = "地址必须以http(s)://开头！";
                return data;
            }
            else if (request.MenuID == request.ParentID)
            {
                data.success = false;
                data.msg = "上级菜单不能选择自己！";
                return data;
            }

            request.UpdateBy = CurrentUser.LoginName;
            request.ParentID = request.ParentID ?? 0;
            data.success = await _sysMenuService.UpdateMenu(request);
            if (data.success)
            {
                data.msg = Resource_SysBase.OprateSuccess;
            }
            else
            {
                data.msg = Resource_SysBase.OprateFail;
            }
            return data;
        }

        /// <summary>
        /// 删除一条数据
        /// </summary>
        /// <param name="id">主键</param>
        /// <returns></returns>
        [HttpPost]
        public async Task<MessageModel<bool>> Del(int id)
        {
            var data = new MessageModel<bool>();

            if (await _sysMenuService.HasChildByMenuId(id))
            {
                data.success = false;
                data.msg = "存在子菜单，不允许删除！";
                return data;
            }
            if ((await _sysMenuService.CheckMenuExistRole(id)) > 0)
            {
                data.success = false;
                data.msg = "菜单已分配，不允许删除！";
                return data;
            }

            data.success = await _sysMenuService.DeleteMenuById(id);
            if (data.success)
            {
                data.msg = Resource_SysBase.OprateSuccess;
            }
            else
            {
                data.msg = Resource_SysBase.OprateFail;
            }
            return data;
        }

        /// <summary>
        /// 获取菜单下拉树列表
        /// </summary>
        [HttpGet]
        public async Task<MessageModel<List<TreeSelect>>> Treeselect()
        {
            var menus = await _sysMenuService.SelectMenuList(CurrentUser.UserID);
            return Success(_sysMenuService.BuildMenuTreeSelect(menus));
        }

        /// <summary>
        /// 加载对应角色菜单列表树
        /// </summary>
        /// <param name="roleId">角色ID</param>
        /// <returns></returns>
        [HttpGet]
        public async Task<MessageModel<RoleMenuTree>> RoleMenuTreeselect(int roleId)
        {
            var menus = await _sysMenuService.SelectMenuList(CurrentUser.UserID);

            var checkedKeys = await _sysMenuService.SelectMenuListByRoleId(roleId);
            var trees = _sysMenuService.BuildMenuTreeSelect(menus);

            return Success(new RoleMenuTree
            {
                CheckedKeys = checkedKeys,
                Menus = trees
            });
        }


    }
}