using Infrastructure;
using Infrastructure.Attribute;
using Microsoft.AspNetCore.Http;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using ZR.Common;
using ZR.Model;
using ZR.Model.System;
using ZR.Model.System.Dto;
using ZR.Repository.System;
using ZR.Service.System.IService;

namespace ZR.Service
{
    /// <summary>
    /// 系统用户
    /// </summary>
    [AppService(ServiceType = typeof(ISysUserService), ServiceLifetime = LifeTime.Transient)]
    public class SysUserService : BaseService<SysUser>, ISysUserService
    {
        private readonly SysUserRepository UserRepository;
        private readonly ISysRoleService RoleService;
        private readonly ISysUserRoleService UserRoleService;
        private readonly ISysUserPostService UserPostService;

        public SysUserService(
            SysUserRepository userRepository,
            ISysRoleService sysRoleService,
            ISysUserRoleService userRoleService,
            ISysUserPostService userPostService)
        {
            UserRepository = userRepository;
            RoleService = sysRoleService;
            UserRoleService = userRoleService;
            UserPostService = userPostService;
        }

        /// <summary>
        /// 根据条件分页查询用户列表
        /// </summary>
        /// <returns></returns>
        public PagedInfo<SysUser> SelectUserList(SysUser user, PagerInfo pager)
        {
            var list = UserRepository.SelectUserList(user, pager);

            return list;
        }

        /// <summary>
        /// 通过用户ID查询用户
        /// </summary>
        /// <param name="userId"></param>
        /// <returns></returns>
        public SysUser SelectUserById(long userId)
        {
            var user = UserRepository.SelectUserById(userId);
            if (user != null && user.UserId > 0)
            {
                user.Roles = RoleService.SelectUserRoleListByUserId(userId);
                user.RoleIds = user.Roles.Select(x => x.RoleId).ToArray();
            }
            return user;
        }

        /// <summary>
        /// 校验用户名称是否唯一
        /// </summary>
        /// <param name="userName"></param>
        /// <returns></returns>
        public string CheckUserNameUnique(string userName)
        {
            int count = UserRepository.CheckUserNameUnique(userName);
            if (count > 0)
            {
                return UserConstants.NOT_UNIQUE;
            }
            return UserConstants.UNIQUE;
        }

        /// <summary>
        /// 新增保存用户信息
        /// </summary>
        /// <param name="sysUser"></param>
        /// <returns></returns>
        public long InsertUser(SysUser sysUser)
        {
            long userId = UserRepository.AddUser(sysUser);
            sysUser.UserId = userId;
            //新增用户角色信息
            UserRoleService.InsertUserRole(sysUser);
            //新增用户岗位信息
            UserPostService.InsertUserPost(sysUser);
            return userId;
        }

        /// <summary>
        /// 修改用户信息
        /// </summary>
        /// <param name="sysUser"></param>
        /// <returns></returns>
        public int UpdateUser(SysUser user)
        {
            var roleIds = RoleService.SelectUserRoles(user.UserId);
            var diffArr = roleIds.Where(c => !((IList)user.RoleIds).Contains(c)).ToArray();
            var diffArr2 = user.RoleIds.Where(c => !((IList)roleIds).Contains(c)).ToArray();

            if (diffArr.Length > 0 || diffArr2.Length > 0)
            {
                //删除用户与角色关联
                UserRoleService.DeleteUserRoleByUserId((int)user.UserId);
                //新增用户与角色关联
                UserRoleService.InsertUserRole(user);
            }
            // 删除用户与岗位关联
            UserPostService.Delete(user.UserId);
            // 新增用户与岗位管理
            UserPostService.InsertUserPost(user);
            return UserRepository.UpdateUser(user);
        }

        public int ChangeUser(SysUser user)
        {
            return UserRepository.UpdateUser(user);
        }

        /// <summary>
        /// 重置密码
        /// </summary>
        /// <param name="userid"></param>
        /// <param name="password"></param>
        /// <returns></returns>
        public int ResetPwd(long userid, string password)
        {
            return UserRepository.ResetPwd(userid, password);
        }

        public int ChangeUserStatus(SysUser user)
        {
            return UserRepository.ChangeUserStatus(user);
        }

        /// <summary>
        /// 删除用户
        /// </summary>
        /// <param name="userid"></param>
        /// <returns></returns>
        public int DeleteUser(long userid)
        {
            CheckUserAllowed(new SysUser() { UserId = userid});
            //删除用户与角色关联
            UserRoleService.DeleteUserRoleByUserId((int)userid);
            // 删除用户与岗位关联
            UserPostService.Delete(userid);
            return UserRepository.DeleteUser(userid);
        }

        /// <summary>
        /// 修改用户头像
        /// </summary>
        /// <param name="user"></param>
        /// <returns></returns>
        public int UpdatePhoto(SysUser user)
        {
            return UserRepository.UpdatePhoto(user);
        }

        /// <summary>
        /// 注册用户
        /// </summary>
        /// <param name="dto"></param>
        /// <returns></returns>
        public SysUser Register(RegisterDto dto)
        {
            //密码md5
            string password = NETCore.Encrypt.EncryptProvider.Md5(dto.Password);
            if (!Tools.PasswordStrength(dto.Password))
            {
                throw new CustomException("密码强度不符合要求");
            }
            SysUser user = new()
            {
                Create_time = DateTime.Now,
                UserName = dto.Username,
                NickName = dto.Username,
                Password = password,
                Status = "0",
                DeptId = 0,
                Remark = "用户注册"
            };

            user.UserId = UserRepository.AddUser(user);
            return user;
        }

        /// <summary>
        /// 校验角色是否允许操作
        /// </summary>
        /// <param name="user"></param>
        public void CheckUserAllowed(SysUser user)
        {
            if (user.IsAdmin())
            {
                throw new CustomException("不允许操作超级管理员角色");
            }
        }

        /// <summary>
        /// 校验用户是否有数据权限
        /// </summary>
        /// <param name="userid"></param>
        /// <param name="loginUserId"></param>
        public void CheckUserDataScope(long userid, long loginUserId)
        {
            if (!SysUser.IsAdmin(loginUserId))
            {
                SysUser user = new SysUser() { UserId = userid};
                
                //TODO 判断用户是否有数据权限
            }
        }
    }
}