using System;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Authentication;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Volo.Abp.Http.Client.IdentityModel.Web;
using Volo.Abp.IdentityModel;

namespace Win_in.Sfs.Shared.Host;

public class SfsHttpContextIdentityModelRemoteServiceHttpClientAuthenticator :
    HttpContextIdentityModelRemoteServiceHttpClientAuthenticator
{
    public SfsHttpContextIdentityModelRemoteServiceHttpClientAuthenticator(
        IIdentityModelAuthenticationService identityModelAuthenticationService)
        : base(identityModelAuthenticationService)
    {
    }

    /// <summary>
    /// 重写 才能获取到token
    /// </summary>
    /// <returns></returns>
    protected override async Task<string> GetAccessTokenFromHttpContextOrNullAsync()
    {
        var httpContext = HttpContextAccessor?.HttpContext;
        if (httpContext == null)
        {
            return null;
        }

        string token = await httpContext.GetTokenAsync(JwtBearerDefaults.AuthenticationScheme, "access_token").ConfigureAwait(false);
        if (token.IsNullOrEmpty())
        {
            string authHeader = httpContext.Request.Headers["Authorization"];
            token = authHeader?.Replace("Bearer ", "");
        }

        return token;
    }
}