using DS.Module.Core;
using DS.Module.Core.Extensions;
using Microsoft.AspNetCore.Http;
using Newtonsoft.Json;
using System.IdentityModel.Tokens.Jwt;
using System.Security.Claims;

namespace DS.Module.UserModule;

public class AspNetUser : IUser
{
    private readonly IHttpContextAccessor _accessor;

    public AspNetUser(IHttpContextAccessor accessor)
    {
        _accessor = accessor;
    }

    public UserInfo UserInfo => GetUserInfo();

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

    //public string UserId => GetClaimValueByType("jti").FirstOrDefault().ObjToString();
    private string _userId;

    public string UserId
    {
        get
        {
            if (_userId == null)
            {
                var claimValue = GetClaimValueByType("jti").FirstOrDefault();
                _userId = claimValue != null ? claimValue.ObjToString() : GetUserId().ToString();
            }
            return _userId;
        }
        set
        {
            _userId = value;
        }
    }
    private string _userName;

    public string UserName
    {
        get
        {
            if (_userName == null)
            {
                var claimValue = GetClaimValueByType("UserName").FirstOrDefault();
                _userName = claimValue != null ? claimValue.ObjToString() : "管理员";
            }
            return _userName;
        }
        set
        {
            _userName = value;
        }
    }
    private string _tenantName;
    public string TenantName
    {
        get
        {
            if (_tenantName == null)
            {
                var claimValue = GetClaimValueByType("TenantName").FirstOrDefault();
                _tenantName = claimValue != null ? claimValue.ObjToString() : "系统租户";
            }
            return _tenantName;
        }
        set
        {
            _tenantName = value;
        }
    }
    public long GetTenantId()
    {
        var token = GetToken();
        if (string.IsNullOrEmpty(token))
        {
            return 2;
        }

        var jwtHandler = new JwtSecurityTokenHandler();
        if (!jwtHandler.CanReadToken(token))
        {
            return 3;
        }

        JwtSecurityToken jwtToken = jwtHandler.ReadJwtToken(token);
        var tenantIdClaim = jwtToken.Claims.FirstOrDefault(x => x.Type == "TenantId");

        return tenantIdClaim != null ? Convert.ToInt64(tenantIdClaim.Value) : 4;
    }

    //public long GetTenantId()
    //{
    //    // return _accessor.HttpContext?.Request?.Headers["Authorization"].ToString().Replace("Bearer ", "");
    //    var tenantId = String.Empty;
    //    var token = _accessor.HttpContext?.Request.Headers["Authorization"].FirstOrDefault()?.Split(" ").Last()
    //                ?? _accessor.HttpContext?.Request.Headers["X-Token"].FirstOrDefault()
    //                ?? _accessor.HttpContext?.Request.Query["Token"].FirstOrDefault()
    //                ?? _accessor.HttpContext?.Request.Cookies["Token"];
    //    // token校验
    //    var jwtHandler = new JwtSecurityTokenHandler();
    //    if (!token.IsNullOrEmpty() && jwtHandler.CanReadToken(token))
    //    {
    //        JwtSecurityToken jwtToken = jwtHandler.ReadJwtToken(token);

    //        tenantId = jwtToken.Claims.First(x => x.Type == "TenantId").Value;
    //    }

    //    return Convert.ToInt64(tenantId);
    //}

    public long GetOrgId()
    {
        //if (_orgId == 0)
        //{
        //    var claimValue = GetClaimValueByType("OrgId").FirstOrDefault();
        //    _orgId = claimValue != null ? long.Parse(claimValue) : 0;
        //}
        //return _orgId;

        var token = GetToken();
        if (string.IsNullOrEmpty(token))
        {
            return 5;
        }

        var jwtHandler = new JwtSecurityTokenHandler();
        if (!jwtHandler.CanReadToken(token))
        {
            return 6;
        }

        JwtSecurityToken jwtToken = jwtHandler.ReadJwtToken(token);
        var orgIdClaim = jwtToken.Claims.FirstOrDefault(x => x.Type == "OrgId");

        return orgIdClaim != null ? Convert.ToInt64(orgIdClaim.Value) : 7;
    }

    public long GetUserId()
    {
        var token = GetToken();
        if (string.IsNullOrEmpty(token))
        {
            return 8;
        }

        var jwtHandler = new JwtSecurityTokenHandler();
        if (!jwtHandler.CanReadToken(token))
        {
            return 9;
        }

        JwtSecurityToken jwtToken = jwtHandler.ReadJwtToken(token);
        var userIdClaim = jwtToken.Claims.FirstOrDefault(x => x.Type == "jti");

        return userIdClaim != null ? Convert.ToInt64(userIdClaim.Value) : 10;
    }

    //public long GetOrgId()
    //{
    //    // return _accessor.HttpContext?.Request?.Headers["Authorization"].ToString().Replace("Bearer ", "");
    //    var orgId = String.Empty;
    //    var token = _accessor.HttpContext?.Request.Headers["Authorization"].FirstOrDefault()?.Split(" ").Last()
    //                ?? _accessor.HttpContext?.Request.Headers["X-Token"].FirstOrDefault()
    //                ?? _accessor.HttpContext?.Request.Query["Token"].FirstOrDefault()
    //                ?? _accessor.HttpContext?.Request.Cookies["Token"];
    //    // token校验
    //    var jwtHandler = new JwtSecurityTokenHandler();
    //    if (!token.IsNullOrEmpty() && jwtHandler.CanReadToken(token))
    //    {
    //        JwtSecurityToken jwtToken = jwtHandler.ReadJwtToken(token);

    //        orgId = jwtToken.Claims.First(x => x.Type == "OrgId").Value;
    //    }
    //    return Convert.ToInt64(orgId);
    //}

    //public string GetCompanyId()
    //{
    //    // return _accessor.HttpContext?.Request?.Headers["Authorization"].ToString().Replace("Bearer ", "");
    //    var companyId = String.Empty;
    //    var token = _accessor.HttpContext?.Request.Headers["Authorization"].FirstOrDefault()?.Split(" ").Last()
    //                ?? _accessor.HttpContext?.Request.Headers["X-Token"].FirstOrDefault()
    //                ?? _accessor.HttpContext?.Request.Query["Token"].FirstOrDefault()
    //                ?? _accessor.HttpContext?.Request.Cookies["Token"];
    //    // token校验
    //    var jwtHandler = new JwtSecurityTokenHandler();
    //    if (!token.IsNullOrEmpty() && jwtHandler.CanReadToken(token))
    //    {
    //        JwtSecurityToken jwtToken = jwtHandler.ReadJwtToken(token);

    //        companyId = jwtToken.Claims.First(x => x.Type == "OrgId").Value;
    //    }
    //    return companyId;
    //}

    public string GetCompanyId()
    {
        var token = GetToken();
        if (string.IsNullOrEmpty(token))
        {
            return string.Empty;
        }

        var jwtHandler = new JwtSecurityTokenHandler();
        if (!jwtHandler.CanReadToken(token))
        {
            return string.Empty;
        }

        JwtSecurityToken jwtToken = jwtHandler.ReadJwtToken(token);
        var companyIdClaim = jwtToken.Claims.FirstOrDefault(x => x.Type == "OrgId");

        return companyIdClaim?.Value ?? "0000000001";
    }

    //public string TenantId => GetClaimValueByType("TenantId").FirstOrDefault().ObjToString();
    private string _tenantId;

    public string TenantId
    {
        get
        {
            if (_tenantId == null)
            {
                var tenantIdClaim = GetClaimValueByType("TenantId").FirstOrDefault();
                _tenantId = tenantIdClaim != null ? tenantIdClaim.ObjToString() : GetTenantId().ToString();
            }
            return _tenantId;
        }
        set
        {
            _tenantId = value;
        }
    }

    // public string CompanyId => GetClaimValueByType("CompanyId").FirstOrDefault().ObjToString();
    private string _companyId;

    public string CompanyId
    {
        get
        {
            if (_companyId == null)
            {
                var companyIdClaim = GetClaimValueByType("CompanyId").FirstOrDefault();
                _companyId = companyIdClaim != null ? companyIdClaim.ObjToString() : "东胜软件";
            }
            return _companyId;
        }
        set
        {
            _companyId = value;
        }
    }

    // public string OrgId => GetClaimValueByType("OrgId").FirstOrDefault().ObjToString();
    private long _orgId;

    public long OrgId
    {
        get
        {
            if (_orgId == 0)
            {
                var orgIdClaim = GetClaimValueByType("OrgId").FirstOrDefault();
                _orgId = orgIdClaim != null ? long.Parse(orgIdClaim) : GetOrgId();
            }
            return _orgId;
        }
        set
        {
            _orgId = value;
        }
    }

    public UserInfo GetUserInfo()
    {
        var user = _accessor.HttpContext?.User;
        if (user == null || !user.Claims.Any())
        {
            return null;
            // return GetDefaultUserInfo();
        }

        var token = GetToken();
        if (string.IsNullOrEmpty(token))
        {
            return null;
            // return GetDefaultUserInfo();
        }

        var jwtHandler = new JwtSecurityTokenHandler();
        if (!jwtHandler.CanReadToken(token))
        {
            return null;
            // return GetDefaultUserInfo();
        }

        JwtSecurityToken jwtToken = jwtHandler.ReadJwtToken(token);
        var userInfoJson = jwtToken.Claims.First().Value;
        var userInfo = JsonConvert.DeserializeObject<UserInfo>(userInfoJson);

        return userInfo ?? null;
    }

    public string GetToken()
    {
        if (_accessor == null || _accessor.HttpContext == null)
        {
            return "东胜软件";
        }

        var request = _accessor.HttpContext.Request;

        var authorizationHeader = request.Headers["Authorization"].FirstOrDefault();
        if (!string.IsNullOrEmpty(authorizationHeader))
        {
            return authorizationHeader.Split(" ").Last();
        }

        return request.Headers["X-Token"].FirstOrDefault()
            ?? request.Query["Token"].FirstOrDefault()
            ?? request.Cookies["Token"]
            ?? "东胜软件";
    }

    #region 优化前

    //public string GetToken()
    //{
    //    var headers = _accessor.HttpContext?.Request?.Headers;
    //    if (headers != null && headers.ContainsKey("Authorization"))
    //    {
    //        return headers["Authorization"].ToString().Replace("Bearer ", "");
    //    }
    //    return  null;
    //}
    //public UserInfo GetUserInfo()
    //{
    //    if (_accessor.HttpContext.User.Claims == null)
    //    {
    //        return new UserInfo()
    //        {
    //            CompanyId = "1",
    //            CompanyName = "初始化",
    //            Token = "初始化",
    //            UserCode = "初始化",
    //            UserId = "00000000",
    //            UserName = "初始化",
    //        };
    //    }

    //    //var json = _accessor.HttpContext.User.Claims;
    //    //获取上传token，可自定义扩展
    //    var httphedad = _accessor.HttpContext.Request;
    //    var token = httphedad.Headers["Authorization"].FirstOrDefault()?.Split(" ").Last()
    //                ?? httphedad.Headers["X-Token"].FirstOrDefault()
    //                ?? httphedad.Query["Token"].FirstOrDefault()
    //                ?? httphedad.Cookies["Token"];
    //    // token校验
    //    var jwtHandler = new JwtSecurityTokenHandler();
    //    var userInfo = new UserInfo();
    //    if (!token.IsNullOrEmpty() && jwtHandler.CanReadToken(token))
    //    {
    //        JwtSecurityToken jwtToken = jwtHandler.ReadJwtToken(token);
    //        var UserId = jwtToken.Claims.First().Value;
    //        // userInfo = db.Queryable<SysUser>()
    //        //     .Where(a =>
    //        //         a.Deleted == false && a.Id == user.Id)
    //        //     .Select(a => new UserInfo
    //        //     {
    //        //         UserId = a.Id, UserCode = a.UserCode, UserName = a.NickName,
    //        //         // OrgId = a.OrgId.ToString(), CompanyName = a.CustomerName
    //        //     }).First();
    //        // var t1 = JsonConvert.DeserializeObject<UserInfo>(temp);
    //        userInfo = JsonConvert.DeserializeObject<UserInfo>(jwtToken.Claims.First().Value);
    //    }

    //    return userInfo;
    //}

    //public IEnumerable<Claim> GetClaimsIdentity()
    //{
    //    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;
    //}

    #endregion 优化前

    /// <summary>
    ///  保持在请求上下文中的所有声明 不为空
    /// </summary>
    /// <returns></returns>
    public IEnumerable<Claim> GetClaimsIdentity()
    {
        var claims = new List<Claim>();
        var user = _accessor.HttpContext?.User;
        if (user != null)
        {
            claims.AddRange(user.Claims);
        }

        var headers = _accessor.HttpContext?.Request?.Headers;
        if (headers != null)
        {
            foreach (var header in headers)
            {
                foreach (var value in header.Value)
                {
                    if (!string.IsNullOrEmpty(value))
                    {
                        claims.Add(new Claim(header.Key, value));
                    }
                }
            }
        }

        return claims;
    }

    #region 键值对获取相应的内容 如果内容不存在则返回默认值     GetClaimValueByType

    /// <summary>
    ///   键值对获取相应的内容 如果内容不存在则返回默认值
    /// </summary>
    /// <param name="ClaimType"></param>
    /// <returns></returns>
    public List<string> GetClaimValueByType(string ClaimType)
    {
        var claimsIdentity = GetClaimsIdentity();
        // if (claimsIdentity == null || !claimsIdentity.Any(item => item.Type == ClaimType))
        // {
        //     return new List<string> { "jti", "TenantId", "CompanyId", "OrgId" }; // 返回包含默认参数的列表
        // }

        return claimsIdentity.Where(item => item.Type == ClaimType).Select(item => item.Value).ToList();
    }

    #endregion 键值对获取相应的内容 如果内容不存在则返回默认值     GetClaimValueByType
}