using Common.Const;
using Common.Enum;
using Entity.Base;
using Entity.DbModel.System;
using Entity.Dto.Req;
using Entity.Dto.Resp;
using HybirdFrameworkCore.Autofac.Attribute;
using HybirdFrameworkCore.Entity;
using Mapster;
using Microsoft.AspNetCore.Mvc;
using Repository.System;
using Service.Mgr;
using SqlSugar;

namespace Service.System.Roles
{
    /// <summary>
    /// 角色
    /// </summary>
    [Scope("SingleInstance")]
    public class SysRoleService : BaseServices<SysRole>
    {
        private readonly SysMenuRepository _sysMenuRep;
        private readonly SysRoleRepository _sysRoleRep;
        private readonly SysRoleMenuMgr _sysRoleMenuMgr;
        private readonly SysUserRoleMgr _sysUserRoleMgr;

        public SysRoleService(
            SysMenuRepository sysMenuRepository,
            SysRoleRepository sysRoleRepository,
            SysRoleMenuMgr sysRoleMenuService,
            SysUserRoleMgr sysUserRoleService)
        {
            _sysMenuRep = sysMenuRepository;
            _sysRoleRep = sysRoleRepository;
            _sysRoleMenuMgr = sysRoleMenuService;
            _sysUserRoleMgr = sysUserRoleService;
        }


        /// <summary>
        /// 获取角色分页列表 🔖
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public async Task<PageResult<SysRole>> Page(PageRoleReq input)
        {
            RefAsync<int> total = 0;
            var items = await _sysRoleRep.QueryPageAsync(
                               entity => true, false, entity => true,
                !string.IsNullOrEmpty(input.Name), u => u.Name.Contains(input.Name),
                 !string.IsNullOrEmpty(input.Code), u => u.Code.Contains(input.Code),
                u => u.OrderNo, input.PageNum, input.PageSize, total
                );
            return new PageResult<SysRole>()
            {
                PageNum = input.PageNum,
                PageSize = input.PageSize,
                ToTal = total,
                Rows = items,
            };
        }

        /// <summary>
        /// 获取角色列表 🔖
        /// </summary>
        /// <returns></returns>
        public async Task<List<RoleResp>> GetList()
        {
            // 当前用户已拥有的角色集合
            var roleIdList = UserManager.SuperAdmin ? new List<long>() : await _sysUserRoleMgr.GetUserRoleIdList(UserManager.UserId);

            return await _sysRoleRep.QueryListByClauseAsync<RoleResp>(
                !UserManager.SuperAdmin && !UserManager.SysAdmin,
                u => u.CreateUserId == UserManager.UserId || roleIdList.Contains(u.Id),
                u => u.OrderNo);
        }

        /// <summary>
        /// 增加角色 🔖
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public async Task<string> AddRole(AddRoleReq input)
        {
            string result = "";
            if (await _sysRoleRep.QueryByClauseAsync(u => u.Name == input.Name && u.Code == input.Code) != null)
                return result = "数据已存在";
            await _sysRoleRep.InsertAsync(input.Adapt<SysRole>());
            SysRole newRole = await _sysRoleRep.QueryByClauseAsync(u => u.Name == input.Name);
            //var newRole = await _sysRoleRep.InsertReturnEntityAsync(input.Adapt<SysRole>());
            input.Id = newRole.Id;
            await UpdateRoleMenu(input);
            SysRole sysRole = await _sysRoleRep.QueryByClauseAsync(u => u.Name == input.Name && u.Code == input.Code);
            if (sysRole != null)
                return result = "增加角色成功";
            return result = "增加角色失败";
        }
        /// <summary>
        /// 更新角色菜单权限
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        private async Task UpdateRoleMenu(AddRoleReq input)
        {
            if (input.MenuIdList == null || input.MenuIdList.Count < 1)
                return;

            // 将父节点为0的菜单排除，防止前端全选异常
            var pMenuIds = await _sysMenuRep.QueryListByClauseAsync(u => input.MenuIdList.Contains(u.Id) && u.Pid == 0, u => u.Id);
            var menuIds = input.MenuIdList.Except(pMenuIds); // 差集
            await GrantMenu(new RoleMenuReq()
            {
                Id = input.Id,
                MenuIdList = menuIds.ToList()
            });
        }


        /// <summary>
        /// 更新角色 🔖
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public async Task<string> UpdateRole(AddRoleReq input)
        {
            string result = "";
            if ((await _sysRoleRep.QueryByClauseAsync(u => u.Name == input.Name && u.Code == input.Code && u.Id != input.Id)) != null)
                return result = "数据已存在";

            bool uodateResult = await _sysRoleRep.UpdateAsync(input.Adapt<SysRole>());
            if (!uodateResult)
                return result = "数据更新失败";

            await _sysRoleRep.UpdateAsync(input.Adapt<SysRole>(), true, u => new { u.DataScope });

            await UpdateRoleMenu(input);
            return result = "数据更新成功";

        }

        /// <summary>
        /// 删除角色 🔖
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public async Task<string> DeleteRole(DeleteRoleReq input)
        {
            string result = "";
            // 禁止删除系统管理员角色
            var sysRole = await _sysRoleRep.QueryByClauseAsync(u => u.Id == input.Id);
            if (sysRole == null)
                return result = "记录不存在";
            if (sysRole != null)
            {
                if (sysRole.Code == CommonConst.SysAdminRole)
                    return result = "禁止删除系统管理员角色";
            }

            // 若角色有用户则禁止删除
            var userIds = await _sysUserRoleMgr.GetUserIdList(input.Id);
            if (userIds != null && userIds.Count > 0)
                return result = "此角色下面存在账号禁止删除";

            await _sysRoleRep.DeleteAsync(sysRole);


            await _sysRoleRep.DeleteAsync(sysRole);

            // 级联删除用户角色数据
            await _sysUserRoleMgr.DeleteUserRoleByRoleId(sysRole.Id);

            // 级联删除角色菜单数据
            await _sysRoleMenuMgr.DeleteRoleMenuByRoleId(sysRole.Id);
            return result = "删除角色成功";
        }

        /// <summary>
        /// 授权角色菜单 🔖
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public async Task GrantMenu(RoleMenuReq input)
        {
            await _sysRoleMenuMgr.GrantRoleMenu(input);
        }

        /// <summary>
        /// 根据角色Id获取菜单Id集合 🔖
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public async Task<List<long>> GetOwnMenuList([FromQuery] RoleReq input)
        {
            return await _sysRoleMenuMgr.GetRoleMenuIdList(new List<long> { input.Id });
        }


        /// <summary>
        /// 设置角色状态 🔖
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        public async Task<string> SetStatus(RoleReq input)
        {
            string result = "";
            if (!Enum.IsDefined(typeof(StatusEnum), input.Status))
                result = "字典状态错误";
            int updateResult = await _sysRoleRep.UpdateAsync(
                u => u.Status == input.Status,
                u => u.Id == input.Id);
            if (updateResult != 0)
                result = "设置角色状态成功";
            return result;
        }
    }
}