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

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();
    
    public string 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 tenantId;
    }
    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 == "CompanyId").Value ;
            
        } 
        return companyId;
    }
    public string TenantId => GetClaimValueByType("TenantId").FirstOrDefault().ObjToString();
    
    public string CompanyId => GetClaimValueByType("CompanyId").FirstOrDefault().ObjToString();
    
    public UserInfo GetUserInfo()
    {
        if (_accessor.HttpContext.User.Claims == null)
        {
            return null;
        }

        var json = _accessor.HttpContext.User.Claims;
        //获取上传token，可自定义扩展
        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();
        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,
            //         // CompanyId = a.CompanyId.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;
    }

    public List<string> GetClaimValueByType(string ClaimType)
    {

        return (from item in GetClaimsIdentity()
            where item.Type == ClaimType
            select item.Value).ToList();

    }
    
    
}