using Microsoft.Extensions.Options;
using SJZY.InterfaceRelay.Application.Contracts;
using Volo.Abp.DependencyInjection;

namespace SJZY.Track.Application.Track2InterfaceRelay;

public class Track2InterfaceRelayHttpMessageHandler : DelegatingHandler, ITransientDependency
{
    private readonly Track2InterfaceRelayOptions _options;

    public Track2InterfaceRelayHttpMessageHandler(IOptionsMonitor<Track2InterfaceRelayOptions> options)
    {
        _options = options.CurrentValue;
    }

    protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request,
        CancellationToken cancellationToken)
    {
        if (Track2InterfaceRelaySubSystemContext.Current == null)
        {
            throw new BusinessException(message: $"请在{nameof(Track2InterfaceRelaySubSystemContext)}中调用接口通");
        }

        var subSystemCode = Track2InterfaceRelaySubSystemContext.Current.SubSystemCode;
        var config = _options.GetOrDefault(subSystemCode);
        if (config == null)
        {
            throw new BusinessException(message: $"子系统{subSystemCode}未在轨迹中台配置，请联系管理员");
        }

        request.Headers.TryAddWithoutValidation(nameof(InterfaceForwardOptions.AppKey), config.AppKey);
        request.Headers.TryAddWithoutValidation(nameof(InterfaceForwardOptions.AppSecret), config.AppSecret);

        return await base.SendAsync(request, cancellationToken);
    }
}