using System.ClientModel.Primitives;
using System.Text.Json;
using Microsoft.Extensions.AI;
using OpenAI.Chat;

namespace MAF1.Utils;

/// <summary>
/// DeepSeek V4 默认开 thinking。Handoff 多轮带 tools 时必须回传 reasoning_content，
/// 客户端会丢掉该字段导致 HTTP 400。请求里关闭 thinking 即可。
/// </summary>
internal static class DeepSeekThinking
{
    public static void Disable(ChatOptions options)
    {
        options.RawRepresentationFactory = _ =>
        {
            ChatCompletionOptions raw = new();
#pragma warning disable SCME0001
            raw.Patch.Set("$.thinking"u8, BinaryData.FromObjectAsJson(new Dictionary<string, string>
            {
                ["type"] = "disabled",
            }));
#pragma warning restore SCME0001
            return raw;
        };
    }
}