using System.Text;
using DS.Module.Core.Extensions;
using Microsoft.AspNetCore.Http;

namespace DS.Module.Core;

/// <summary>
/// 
/// </summary>
public static class HttpUtil
{
    public static string GetClientIP(HttpContext context)
    {
        var ip = context.Request.Headers["X-Forwarded-For"].ObjToString();
        if (string.IsNullOrEmpty(ip))
        {
            ip = context.Connection.RemoteIpAddress.ObjToString();
        }

        return ip;
    }

    /// <summary>
    /// 获取响应内容
    /// </summary>
    /// <param name="response"></param>
    /// <returns></returns>
    public static async Task<string> GetResponse(HttpResponse response)
    {
        response.Body.Seek(0, SeekOrigin.Begin);
        var text = await new StreamReader(response.Body).ReadToEndAsync();
        response.Body.Seek(0, SeekOrigin.Begin);
        return text;
    }

    //
// 摘要:
//     获取完整请求地址
//
// 参数:
//   request:
    public static string GetRequestUrlAddress(HttpRequest request)
    {
        return new StringBuilder().Append(request.Scheme).Append("://").Append(request.Host)
            .Append(request.PathBase)
            .Append(request.Path)
            .Append(request.QueryString)
            .ToString();
    }
}