using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.IdentityModel.Tokens.Jwt;
using System.Linq;
using System.Security.Claims;
using System.Text;
using System.Threading.Tasks;
using WIDESEA_Core.Const;
using WIDESEA_Core.DB;
using WIDESEA_Core.Helper;
using WIDESEA_Core.Seed;

namespace WIDESEA_Core.HttpContextUser
{
    public class AspNetUser : IUser
    {
        private readonly IHttpContextAccessor _accessor;
        //private readonly ILogger<AspNetUser> _logger;

        public AspNetUser(IHttpContextAccessor accessor/*, ILogger<AspNetUser> logger*/)
        {
            _accessor = accessor;
            /*_logger = logger;*/
        }

        public string UserName => UserInfo.UserName;

        //private string GetName()
        //{
        //    if (IsAuthenticated() && _accessor.HttpContext.User.Identity.Name.IsNotEmptyOrNull())
        //    {
        //        return _accessor.HttpContext.User.Identity.Name;
        //    }
        //    else
        //    {
        //        if (!string.IsNullOrEmpty(GetToken()))
        //        {
        //            var getNameType = /*Permissions.IsUseIds4 ? */"name" /*: "http://schemas.xmlsoap.org/ws/2005/05/identity/claims/name"*/;
        //            return GetUserInfoFromToken(getNameType).FirstOrDefault().ObjToString();
        //        }
        //    }

        //    return "";
        //}

        public int UserId => GetClaimValueByType("jti").FirstOrDefault().ObjToInt();
        public long TenantId => UserInfo.TenantId;

        public int RoleId => UserInfo.RoleId;

        public string Token => "throw new NotImplementedException()";

        public int SystemType => UserInfo.SystemType;

        public bool IsAuthenticated()
        {
            return _accessor.HttpContext.User.Identity.IsAuthenticated;
        }


        public string GetToken()
        {
            return _accessor.HttpContext?.Request?.Headers["Authorization"].ObjToString().Replace("Bearer ", "");
        }

        private UserInfo _userInfo { get; set; }
        private UserInfo UserInfo
        {
            get
            {
                if (_userInfo != null)
                    return _userInfo;

                SqlSugarClient sqlSugarClient = new SqlSugarClient(new ConnectionConfig
                {
                    ConfigId = MainDb.CurrentDbConnId,
                    DbType = MainDb.DbType,
                    //ConnectionString = AppSettings.app(MainDb.ConnectionString).DecryptDES(AppSecret.DB),
                    ConnectionString = AppSettings.app(MainDb.ConnectionString),
                    IsAutoCloseConnection = true
                });

                dynamic userInfo = sqlSugarClient.Queryable(MainDb.UserTableName, "x").Where(MainDb.UserId, "=", UserId).Select(GetUserInfoSelectModels()).First();
                if (userInfo != null)
                {
                    _userInfo = new UserInfo()
                    {
                        RoleId = userInfo.Role_Id,
                        TenantId = userInfo.TenantId,
                        SystemType = userInfo.SystemType,
                        UserName = userInfo.UserName,
                    };
                    return _userInfo;
                }

                return new UserInfo();
            }
        }

        public bool IsSuperAdmin => IsRoleIdSuperAdmin(RoleId);

        public List<Permissions> Permissions => throw new NotImplementedException();

        public UserInfo GetCurrentUserInfo()
        {
            return UserInfo;
        }

        public List<SelectModel> GetUserInfoSelectModels()
        {
            List<SelectModel> selectModels = new List<SelectModel>()
            {
                new() {
                    FieldName = MainDb.TenantId
                },
                new() {
                    FieldName = MainDb.RoleId,
                },
                new() {
                    FieldName = MainDb.SystemType
                },
                new() {
                    FieldName = MainDb.UserName
                }
            };
            return selectModels;
        }

        public List<string> GetUserInfoFromToken(string ClaimType)
        {
            var jwtHandler = new JwtSecurityTokenHandler();
            var token = "";

            token = GetToken();
            // token校验
            if (token.IsNotEmptyOrNull() && jwtHandler.CanReadToken(token))
            {
                JwtSecurityToken jwtToken = jwtHandler.ReadJwtToken(token);

                return (from item in jwtToken.Claims
                        where item.Type == ClaimType
                        select item.Value).ToList();
            }

            return new List<string>() { };
        }

        //public MessageModel<string> MessageModel { get; set; }

        public IEnumerable<Claim> GetClaimsIdentity()
        {
            if (_accessor.HttpContext != null)
            {

                var claims = _accessor.HttpContext.User.Claims.ToList();
                var headers = _accessor.HttpContext.Request.Headers;
                foreach (var header in headers)
                {
                    claims.Add(new Claim(header.Key, header.Value));
                }
                return claims;
            }
            return ArraySegment<Claim>.Empty;
        }

        public List<string> GetClaimValueByType(string ClaimType)
        {
            return (from item in GetClaimsIdentity()
                    where item.Type == ClaimType
                    select item.Value).ToList();
        }

        public bool IsRoleIdSuperAdmin(int roleId)
        {
            return roleId == 1;
        }
    }

    public class UserInfo
    {
        public long TenantId { get; set; }

        public int RoleId { get; set; }

        public int SystemType { get; set; }

        public string UserName { get; set; }

        public int UserId { get; set; }

        public string UserTrueName { get; set; }

        public string HeadImageUrl { get; set; }
    }
}